Powder filling mechanism of chip inductor

Abstract

The utility model relates to the technical field of inductor powder filling, in particular to a chip inductor powder filling mechanism which comprises a powder pressing support, the powder pressing support is provided with a bottom positioning module and a powder pressing die, the powder pressing die comprises a powder pressing driving plate, and a plurality of hot pressing blocks are installed at the bottom of the powder pressing driving plate. The bottom positioning module comprises a first positioning plate and a second positioning plate, a positioning block and a positioning groove are formed in the top of the first positioning plate, and a powder filling groove is formed in the second positioning plate; during powder pressing, the bottom positioning module moves to the position close to the outer side through the bottom transverse moving mechanism, the inductor module is placed in a positioning block and a positioning groove at the top of the first positioning plate to be positioned, and then the bottom positioning module is driven by the bottom transverse moving mechanism to move to be longitudinally aligned with the powder pressing driving plate; and then, when the powder pressing driving plate is pressed downwards and the inductance module is fed and discharged, the phenomenon that the inductance module is longitudinally aligned with the powder pressing driving plate cannot occur, even if the powder pressing driving plate falls off due to out-of-control signals, the bottom positioning module cannot be pressed, and the safety is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch inductance powder filling technical field especially relates to a kind of powder filling mechanism of patch inductance. BACKGROUND

[0002] With the continuous development of electronic technology, inductors as one of the basic elements of electronic circuit, its type is also endless, integral forming inductor is more and more favored in the field of electronic devices due to its small size, large current, high production efficiency and other characteristics.Integral forming inductor is mainly formed by metal powder and coil using integral forming inductor mold by cold pressing once or twice by cold pressing and hot pressing combination mode.Pressure mould generally includes upper punch, upper die, lower die and lower punch, and upper die and lower die are provided with model cavity.

[0003] The inductor pressing forming mold described in patent 202221661329.9 has an upper die opening, and a first through hole penetrating the thickness of the upper die opening, a lower die opening corresponding to the upper die opening, and a second through hole penetrating the thickness of the lower die opening, and the upper die and the lower die move towards each other or away from each other on the frame; the upper punch can be inserted into or withdrawn from the first through hole, and at least part of the upper punch extends into the upper die cavity when the upper punch is inserted into the first through hole; the lower punch can be inserted into or withdrawn from the second through hole, and at least part of the lower punch extends into the lower die cavity when the lower punch is inserted into the second through hole; when the powder is laid, the lower die surface will leave residual powder, and the residual powder will be pressed when the upper die is pressed down.

[0004] Before pressing powder, the inductor module needs to be loaded into the mold, and since the mold and the pressing plate are longitudinally aligned during pressing powder, the hydraulic cylinder is used to achieve downward pressure, and since the weight of the pressing plate is large, the pressure is also large, and when the hydraulic cylinder appears signal interruption or other abnormal conditions, the pressing plate may directly drop, and if it drops during loading and unloading, it may cause the worker to be injured, which has safety hazards. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art to provide a kind of powder filling mechanism of patch inductance.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] The application discloses a powder filling mechanism for a patch inductor, which comprises a powder pressing support, a bottom positioning module for positioning an inductor module and a powder pressing die capable of lifting and moving are arranged on the powder pressing support, the powder pressing die comprises a powder pressing driving plate, a plurality of hot pressing blocks are arranged on the bottom of the powder pressing driving plate; the bottom positioning module comprises a first positioning plate and a second positioning plate which is arranged on the top of the first positioning plate in a spaced mode, the top of the first positioning plate is provided with positioning blocks and positioning grooves for positioning the inductor module, and the second positioning plate is formed with powder filling grooves through which the hot pressing blocks pass; and the bottom of the powder pressing support is provided with a bottom transverse moving mechanism which drives the bottom positioning module to move transversely close to or away from the powder pressing die.

[0008] Further, the powder pressing support comprises a support top plate and a support bottom plate, a longitudinal guide rod is arranged between the support top plate and the support bottom plate, the support top plate is provided with a top hydraulic cylinder, and the driving end of the top hydraulic cylinder penetrates through the support top plate and is connected with the top of the powder pressing driving plate.

[0009] Further, a plurality of longitudinal guide holes are formed in the powder pressing driving plate, and a guide sleeve which is in sliding cooperation with the longitudinal guide rod is arranged in the longitudinal guide hole.

[0010] Further, the bottom transverse moving mechanism comprises a guide rail structure which is arranged on the support bottom plate, the guide rail structure comprises a support plate which is arranged along the moving direction of the bottom positioning module, the support plate is provided with a support guide rail along the length direction of the support plate, and the bottom of the first positioning plate is provided with a bottom sliding seat which is in sliding cooperation with the support guide rail.

[0011] Further, the number of the guide rail structures is two, and the two guide rail structures are arranged in parallel and in a spaced mode, one of the support plates is provided with a screw rod transmission mechanism along the length direction, and the driving end of the screw rod transmission mechanism is connected with the first positioning plate.

[0012] Further, the screw rod transmission mechanism comprises side bearing seats which are arranged at two ends of the support plate, a transmission screw rod is arranged between the two side bearing seats, the transmission screw rod is provided with a transmission screw sleeve, the bottom of the first positioning plate is provided with a transmission seat which is connected with the transmission screw sleeve, and one of the side bearing seats is provided with a servo motor which is in transmission connection with the transmission screw rod.

[0013] Further, the support bottom plate is further provided with an induction module, the induction module comprises a first infrared induction module and a second infrared induction module, the first infrared induction module is aligned with one of the side bearing seats, the second infrared induction module is aligned with the other side bearing seat, and the first positioning plate is provided with an induction block which is in induction cooperation with the first infrared induction module and the second infrared induction module.

[0014] Further, the support bottom plate is further provided with a locking mechanism for locking the positioned inductor module, the locking mechanism comprises first locking rods and second locking rods which are arranged in a spaced mode, the first positioning plate is formed with first locking holes into which the first locking rods are inserted and second locking holes into which the second locking rods are inserted.

[0015] Further, the support bottom plate is provided with a first transverse fixing plate and a second transverse fixing plate, the first transverse fixing plate and the second transverse fixing plate are respectively provided with lifting holes, and the bottom of the first transverse fixing plate and the bottom of the second transverse fixing plate are respectively provided with lifting cylinders; the driving end of the lifting cylinder of the first transverse fixing plate is connected with the first stop rod, and the driving end of the lifting cylinder of the second transverse fixing plate is connected with the second stop rod.

[0016] Further, the first positioning plate is provided with a guide rod at the top, the second positioning plate is provided with a guide hole in sliding fit with the guide rod, and a compression spring is arranged between the first positioning plate and the second positioning plate and is sleeved on the guide rod; the compression spring can elastically drive the second positioning plate to move away from the first positioning plate.

[0017] The utility model discloses a beneficial effect: when pressing powder, the bottom positioning module is moved to the outside by the bottom transverse mechanism, the inductance module is positioned in the positioning block and the positioning groove on the top of the first positioning plate, then the bottom positioning module is moved to the longitudinal alignment with the powder pressing driving plate by the bottom transverse mechanism, the powder pressing driving plate is pressed down, the second positioning plate is pressed to the first positioning plate, then the hot pressing block is pressed down to the inductance module through the powder filling groove, and the powder filling and pressing are realized, when the inductance module is fed, the longitudinal alignment with the powder pressing driving plate does not appear, even if the powder pressing driving plate falls due to signal out of control, the bottom positioning module is not pressed, and the safety is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic diagram of powder filling mechanism.

[0019] Fig. 2 It is the structure schematic diagram of bottom positioning module and bottom transverse mechanism cooperation.

[0020] Fig. 3 It is the structure schematic diagram of bottom transverse mechanism.

[0021] The attached drawing mark includes:

[0022] 1-powder pressing support,

[0023] 11-powder pressing mould, 12-powder pressing driving plate, 13-hot pressing block, 14-support top plate, 15-support bottom plate,

[0024] 16-longitudinal guide rod, 17-top hydraulic cylinder, 18-longitudinal guide hole, 19-guide sleeve,

[0025] 2-bottom positioning module,

[0026] 21-first positioning plate, 22-second positioning plate, 23-positioning block, 24-positioning groove, 25-guide rod,

[0027] 26 - guide hole, 27 - compression spring, 28 - powder filling groove,

[0028] 3 - bottom horizontal moving mechanism,

[0029] 31 - support plate, 32 - support guide rail, 33 - bottom sliding seat, 34 - side bearing seat, 35 - transmission screw,

[0030] 36 - transmission screw sleeve, 37 - transmission seat, 38 - servo motor,

[0031] 4 - induction module

[0032] 41 - first infrared induction module, 42 - second infrared induction module, 43 - induction block,

[0033] 44 - first locking rod, 45 - second locking rod, 46 - first transverse fixing plate,

[0034] 47 - second transverse fixing plate, 48 - lifting hole, 49 - lifting air cylinder. DETAILED DESCRIPTION

[0035] The utility model will be described in detail below in combination with the drawings.

[0036] As Figs. 1-3 shown, a powder filling mechanism of a patch inductor, comprising a powder pressing support 1, the powder pressing support 1 is provided with a bottom positioning module 2 for positioning an inductor module and is provided with a powder pressing mold 11 capable of lifting movement, the powder pressing mold 11 comprises a powder pressing drive plate 12, and a plurality of hot pressing blocks 13 are installed at the bottom of the powder pressing drive plate 12.

[0037] The bottom positioning module 2 comprises a first positioning plate 21 and a second positioning plate 22 spaced apart and installed at the top of the first positioning plate 21, the top of the first positioning plate 21 is installed with a positioning block 23 and a positioning groove 24 for positioning the inductor module, the top of the first positioning plate 21 is installed with a guide rod 25, the second positioning plate 22 is provided with a guide hole 26 slidably matched with the guide rod 25, a compression spring 27 is arranged between the first positioning plate 21 and the second positioning plate 22 and is sleeved on the guide rod 25, the compression spring 27 can elastically drive the second positioning plate 22 to move away from the first positioning plate 21; when not pressed initially, the first positioning plate 21 and the second positioning plate 22 have a spacing, under the elastic driving of the compression spring 27, the second positioning plate 22 will be bounced up, and a position can be reserved for feeding or discharging the inductor module from the first positioning plate 21.

[0038] The second positioning plate 22 is formed with a powder filling groove 28 through which the hot pressing block 13 passes; the bottom part positioning module 2 is provided with a bottom part horizontal moving mechanism 3 for driving the bottom part positioning module 2 to horizontally approach or move away from the powder pressing die 11; when the powder is pressed, the first positioning plate 21 is pressed to approach and adhere to the second positioning plate 22, and the hot pressing block 13 presses the powder on the inductor module through the powder filling groove 28.

[0039] When the powder is pressed, the bottom part positioning module 2 is moved to approach the outside through the bottom part horizontal moving mechanism 3, the inductor module is positioned in the positioning block 23 and the positioning groove 24 on the top of the first positioning plate 21, and then the bottom part positioning module 2 is moved to be longitudinally aligned with the powder pressing driving plate 12 through the bottom part horizontal moving mechanism 3; the powder pressing driving plate 12 is pressed, the second positioning plate 22 is pressed to the first positioning plate 21, and then the hot pressing block 13 presses the powder on the inductor module through the powder filling groove 28, so as to realize powder filling and pressing; when the inductor module is loaded and unloaded, it will not be longitudinally aligned with the powder pressing driving plate 12, even if the powder pressing driving plate 12 falls due to signal loss, it will not press the bottom part positioning module 2, and the safety is further improved.

[0040] The powder pressing support 1 comprises a support top plate 14 and a support bottom plate 15, and a longitudinal guide rod 16 is installed between the support top plate 14 and the support bottom plate 15, wherein the support top plate 14 is installed with a top part hydraulic cylinder 17, and the driving end of the top part hydraulic cylinder 17 passes through the support top plate 14 and is connected with the top part of the powder pressing driving plate 12; when the powder is pressed, the top part hydraulic cylinder 17 on the support top plate 14 works to drive the powder pressing driving plate 12 to move up and down, and the first positioning plate 21 is pressed to approach and adhere to the second positioning plate 22, and the hot pressing block 13 presses the powder on the inductor module through the powder filling groove 28.

[0041] Preferably, the powder pressing driving plate 12 is provided with a plurality of longitudinal guide holes 18, and the longitudinal guide holes 18 are provided with guide sleeves 19 which are in sliding fit with the longitudinal guide rod 16; when the powder pressing driving plate 12 moves up and down, the guide sleeves 19 of the longitudinal guide holes 18 are in sliding fit with the longitudinal guide rod 16, which can improve the stability of sliding and make the powder pressing driving plate 12 keep longitudinal alignment with the bottom part positioning module 2.

[0042] The bottom part horizontal moving mechanism 3 comprises a guide rail structure installed on the support bottom plate 15, and the guide rail structure comprises a support plate 31 arranged along the moving direction of the bottom part positioning module 2, the support plate 31 is installed with a support guide rail 32 along the length direction thereof, and the first positioning plate 21 is installed with a bottom part sliding seat 33 which is in sliding fit with the support guide rail 32; when the inductor module needs to be loaded and unloaded, the first positioning plate 21 is in sliding fit with the support guide rail 32 of the support plate 31 through the bottom part sliding seat 33, and can move along the length direction of the support bottom plate 15 and move away from the powder pressing driving plate 12; when the inductor module is loaded, even if the powder pressing driving plate 12 falls due to signal influence, it will not fall to the bottom part positioning module 2, and the safety is greatly improved.

[0043] Preferably, the number of guide rail structures is two, and the two guide rail structures are arranged in parallel and at intervals, one of the support plates 31 is arranged with a screw rod transmission mechanism along the length direction, and the driving end of the screw rod transmission mechanism is connected with the first positioning plate 21. The screw rod transmission mechanism comprises side bearing seats 34 installed at both ends of the support plate 31, a transmission screw rod 35 arranged between the two side bearing seats 34, a transmission screw sleeve 36 sleeved with the transmission screw rod 35, a transmission seat 37 installed at the bottom of the first positioning plate 21 and connected with the transmission screw sleeve 36, and a servo motor 38 installed at one of the side bearing seats 34 and in transmission connection with the transmission screw rod 35. In the embodiment, the transmission screw rod 35 of the screw rod transmission mechanism is driven to rotate by the servo motor 38, and through cooperation of the transmission screw sleeve 36 and the transmission seat 37 of the first positioning plate 21, the first positioning plate 21 can move along the length direction of the transmission screw rod 35 to realize approaching or moving away from the powder pressing station.

[0044] The support plate 15 is further provided with an induction module 4, which comprises a first infrared induction module 41 and a second infrared induction module 42. The first infrared induction module 41 is aligned with one of the side bearing seats 34, and the second infrared induction module 42 is aligned with the other side bearing seat 34. The first positioning plate 21 is installed with an induction block 43 in induction cooperation with the first infrared induction module 41 and the second infrared induction module 42. The first infrared induction module 41 and the second infrared induction module 42 are respectively in signal connection with the servo motor 38. When the first positioning plate 21 moves to the powder feeding station, the induction block 43 of the first positioning plate 21 is in induction cooperation with the first infrared induction module 41. At this time, the first infrared induction module 41 sends a pulse signal to the servo motor 38, and at this time, the servo motor 38 pauses the work to prevent the first positioning plate 21 from moving beyond the stroke. Similarly, when the first positioning plate 21 moves to the powder pressing station, the induction block 43 of the first positioning plate 21 is in induction cooperation with the second infrared induction module 42. At this time, the second infrared induction module 42 sends a pulse signal to the servo motor 38, and at this time, the servo motor 38 pauses the work to prevent the second positioning plate 22 from moving beyond the stroke, so as to ensure that the bottom positioning module 2 is longitudinally aligned with the powder pressing driving plate 12 after moving to the powder pressing station.

[0045] Further, the support base plate 15 is further provided with a locking mechanism for locking the positioning inductor module, the locking mechanism comprises a first locking rod 44 and a second locking rod 45 arranged at intervals, the first positioning plate 21 is formed with a first locking hole for inserting the first locking rod 44 and a second locking hole for inserting the second locking rod 45. The support base plate 15 is installed with a first transverse fixing plate 46 and a second transverse fixing plate 47, the first transverse fixing plate 46 and the second transverse fixing plate 47 are respectively provided with a lifting hole 48, and the first transverse fixing plate 46 and the second transverse fixing plate 47 are respectively installed with a lifting cylinder 49 at the bottom; the driving end of the lifting cylinder 49 of the first transverse fixing plate 46 is connected with the first locking rod 44, and the driving end of the lifting cylinder 49 of the second transverse fixing plate 47 is connected with the second locking rod 45.

[0046] In the embodiment, when the first positioning plate 21 moves to the powder pressing station, the first locking rod 44 is longitudinally coaxially aligned with the first locking hole of the first positioning plate 21, at this time, the lifting cylinder 49 of the first transverse fixing plate 46 can drive the first locking rod 44 to be inserted into the first locking hole, so as to lock the first positioning plate 21 and prevent the first positioning plate 21 from moving during feeding; similarly, when the first positioning plate 21 moves to the powder pressing station, the second locking rod 45 is longitudinally coaxially aligned with the second locking hole of the first positioning plate 21, at this time, the lifting cylinder 49 of the second transverse fixing plate 47 can drive the second locking rod 45 to be inserted into the second locking hole, so as to lock the first positioning plate 21; during powder pressing, the bottom positioning module 2 is longitudinally aligned with the powder pressing driving plate 12.

[0047] As can be seen from the above, the utility model has the excellent characteristics described above, and can improve the performance of the prior art and has practicality, and becomes a product with high practical value.

[0048] The above content is only the preferred embodiment of the utility model, and for the ordinary skilled in the art, according to the idea of the utility model, the specific embodiment and application range can be changed, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A powder filling mechanism of a chip inductor comprising a powder pressing support, characterized by: The powder pressing support is provided with a bottom positioning module for positioning the inductor module and a powder pressing die capable of lifting movement, and the powder pressing die comprises a powder pressing drive plate, and a plurality of hot pressing blocks are mounted at the bottom of the powder pressing drive plate; The bottom positioning module comprises a first positioning plate and a second positioning plate which is spaced apart and mounted at the top of the first positioning plate, the top of the first positioning plate is provided with positioning blocks and positioning grooves for positioning the inductor module, and the second positioning plate is formed with powder filling grooves through which the hot pressing blocks pass; and the bottom of the powder pressing support is provided with a bottom transverse movement mechanism which drives the bottom positioning module to move transversely close to or away from the powder pressing die.

2. The filling mechanism of the patch inductor according to claim 1, wherein: The powder pressing support comprises a support top plate and a support bottom plate, and a longitudinal guide rod is mounted between the support top plate and the support bottom plate, wherein the support top plate is provided with a top hydraulic cylinder, and the driving end of the top hydraulic cylinder penetrates through the support top plate and is connected to the top of the powder pressing drive plate.

3. The filling mechanism of a patch inductor according to claim 2, wherein: The powder pressing drive plate is provided with a plurality of longitudinal guide holes, and the longitudinal guide holes are sleeved with guide sleeves which are in sliding fit with the longitudinal guide rods.

4. The filling mechanism of a patch inductor according to claim 2, wherein: The bottom transverse movement mechanism comprises a guide rail structure which is mounted for the support bottom plate, the guide rail structure comprises a support plate which is arranged along the movement direction of the bottom positioning module, the support plate is provided with a support guide rail along the length direction thereof, and the first positioning plate is provided at the bottom with a bottom sliding seat which is in sliding fit with the support guide rail.

5. The powder filling mechanism of a patch inductor according to claim 4, wherein: The number of the guide rail structures is two, and the two guide rail structures are arranged in parallel and at intervals, wherein one of the support plates is provided with a screw rod transmission mechanism along the length direction thereof, and the driving end of the screw rod transmission mechanism is connected to the first positioning plate.

6. The filling mechanism of a patch inductor according to claim 5, wherein: The screw rod transmission mechanism comprises side bearing seats which are mounted at both ends of the support plate, a transmission screw rod is arranged between the two side bearing seats, the transmission screw rod is sleeved with a transmission screw nut, the first positioning plate is provided at the bottom with a transmission seat which is connected to the transmission screw nut, and one of the side bearing seats is provided with a servo motor which is in transmission connection with the transmission screw rod.

7. The powder filling mechanism of a patch inductor according to claim 6, wherein: The support bottom plate is further provided with an induction module, the induction module comprises a first infrared induction module and a second infrared induction module, the first infrared induction module is aligned with one of the side bearing seats, the second infrared induction module is aligned with the other side bearing seat, and the first positioning plate is provided with an induction block which is in induction fit with the first infrared induction module and the second infrared induction module.

8. The filling mechanism of a patch inductor according to claim 7, wherein: The support bottom plate is further provided with a locking mechanism for locking the inductor module, the locking mechanism comprises first locking rods and second locking rods which are arranged at intervals, and the first positioning plate is formed with first locking holes into which the first locking rods are inserted and second locking holes into which the second locking rods are inserted.

9. The powder filling mechanism of a patch inductor according to claim 8, wherein: The support bottom plate is provided with first and second transverse fixing plates, the first and second transverse fixing plates are respectively provided with lifting holes, and the first and second transverse fixing plates are respectively provided at the bottom with lifting cylinders; the driving end of the lifting cylinder of the first transverse fixing plate is connected to the first locking rod, and the driving end of the lifting cylinder of the second transverse fixing plate is connected to the second locking rod.

10. The powder filling mechanism of a patch inductor according to claim 1, wherein: The first positioning plate is provided at the top with a guide rod, the second positioning plate is provided with a guide hole which is in sliding fit with the guide rod, and a compression spring is arranged between the first positioning plate and the second positioning plate and is sleeved on the guide rod, and the compression spring can elastically drive the second positioning plate to move away from the first positioning plate.

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