CN209785739U

CN209785739U - inductor forming device

Info

Publication number: CN209785739U
Application number: CN201920971141.6U
Authority: CN
Inventors: 赵德建
Original assignee: Hubei Wantex Rongli Electronic Technology Co Ltd
Current assignee: Hubei Wantex Rongli Electronic Technology Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2019-12-13
Anticipated expiration: 2029-06-26

Abstract

the utility model discloses an inductance forming device, it includes: the lower seat and the upper seat are fixedly connected through a plurality of vertical guide pillars, a lower hydraulic cylinder is arranged on the lower seat, an upper hydraulic cylinder is arranged on the upper seat, and the lower seat extends upwards to form a plurality of lower material pressing pillars; the upper die, the middle die and the lower die are movably arranged on the guide pillar from top to bottom in sequence; and a distributing device for distributing powder in the forming through hole of the concave part; wherein the plurality of shaped vias form a rectangular array. The utility model discloses an go up pneumatic cylinder and spring, can make middle mould, lower mould compound die back, go up mould and middle mould compound die again, its structure is comparatively simple.

Description

Inductor forming device

Technical Field

The utility model relates to an electronic components makes the field, concretely relates to inductance forming device.

background

At present, an inductor, especially a power inductor, is manufactured by pressing powder, an air coil is firstly wound, the air coil is placed in a mold, iron powder is poured into the mold and is pressed with the coil to form the inductor, and the powder pressing method enables the magnetic permeability to be low and the saturation magnetic force to be high, so that the inductor is not easy to saturate during use and can resist larger current.

The upper die and the middle die of the existing inductance forming device need to be driven respectively, so the structure is complex.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an inductance forming device, make it drive last mould and middle mould through a hydraulic means, and then simplify its structure.

the utility model provides a technical scheme that technical problem adopted is: an inductance molding apparatus, comprising:

The lower seat and the upper seat are fixedly connected through a plurality of vertical guide pillars, a lower hydraulic cylinder is arranged on the lower seat, an upper hydraulic cylinder is arranged on the upper seat, and the lower seat extends upwards to form a plurality of lower material pressing pillars;

The upper die, the middle die and the lower die are movably arranged on the guide post from top to bottom in sequence, a piston rod of an upper hydraulic cylinder faces downwards and is fixed on the upper die, a piston rod of a lower hydraulic cylinder faces upwards and is arranged on the lower die, and the middle die is connected with the upper die through a spring; the upper die protrudes downwards to form a boss, the upper end of the middle die correspondingly dents to form a concave part, a plurality of vertical forming through holes are formed in the bottom of the concave part, the boss correspondingly protrudes downwards to form a plurality of upper material pressing columns, and the upper material pressing columns correspond to the lower material pressing columns one by one;

And a distributing device for distributing powder in the forming through hole of the concave part;

Wherein the plurality of shaped vias form a rectangular array.

Preferably, the material distribution device includes: the upper end of the vertical rack is fixed at the bottom of the lower die; the gear set comprises a pinion and a bull gear which axially extend forwards and backwards and are coaxially fixed, and the vertical rack is meshed with the pinion towards the right; the horizontal rack extends left and right, and the horizontal rack is upwards meshed with the large gear; the powder distributing box is internally provided with formed powder and is arranged in the concave part in a left-right moving way, the powder distributing box is fixedly connected with the right end of the horizontal rack, and a row of leakage holes which are corresponding to the forming through holes in the left-right direction are formed in the bottom plate of the powder distributing box; the powder distributing box comprises a horizontally arranged material controlling plate, a guide rod extending forwards and backwards and a barrier strip perpendicular to the rear end of the guide rod, wherein the barrier strip extends in the left-right direction, the front end of the guide rod penetrates through the powder distributing box forwards and then is fixed on the rear end of the bottom plate, and a row of a plurality of material controlling holes which correspond to the plurality of leakage holes one by one are formed in the material controlling plate; the first compression spring is sleeved on the guide rod, the rear end of the first compression spring abuts against the barrier strip, and the front end of the first compression spring abuts against the powder distribution box; the pressing device comprises a plurality of pressing rods, a middle die and a pressing block, wherein the pressing rods are rotatably arranged on a vertical plane and are uniformly arranged at intervals in the left-right direction, a cavity is formed in the side wall of one side of a concave part of the middle die, which faces a blocking strip, the rear end of each pressing rod is positioned in the cavity and is hinged to the middle die through a vertical pin shaft, and the front end of each pressing rod inclines towards the right and outwards penetrates through an opening correspondingly formed in the front end of the cavity to be pressed on the blocking strip forwards; and one end of the second compression spring is fixed on the middle die, and the other end of the second compression spring is fixed at the front end of the compression rod.

Preferably, a rubber layer is fixed on the rear side of the barrier strip, and the front end of the pressure lever is correspondingly coated with a rubber sleeve.

The utility model has the advantages that the upper hydraulic cylinder and the spring can ensure that the upper die and the middle die are matched after the middle die and the lower die are matched, and the structure is simpler; in addition, a special material distribution device can make the material distribution mode simpler and more effective.

drawings

Fig. 1 is a schematic view of an induction forming apparatus according to a preferred embodiment of the present invention when the mold is not closed;

Fig. 2 is a schematic view of an inductance molding apparatus according to a preferred embodiment of the present invention when closing the mold;

Fig. 3 is a schematic view of a material distribution device when an upper die of a preferred embodiment of the present invention descends;

Fig. 4 is a schematic view of a material distribution device when an upper die of the preferred embodiment of the present invention ascends.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

please refer to fig. 1 to fig. 4.

The utility model discloses an inductance forming device, it includes lower 11, upper segment 12, goes up mould 13, middle mould 14, lower mould 15, goes up hydraulic cylinder 121, lower hydraulic cylinder 111, spring 16 and distributing device.

Wherein, the lower seat 11 and the upper seat 12 are fixedly connected by a plurality of vertical guide posts 17. The lower seat 11 is fixed to a plurality of support feet 10. The lower hydraulic cylinder 111 is provided on the lower seat 11. The upper hydraulic cylinder 121 is provided on the upper seat 12. The upper die 13, the middle die 14 and the lower die 15 are sequentially and movably arranged on the guide post 17 from top to bottom. The piston rod 122 of the upper hydraulic cylinder 121 is fixed to the upper die 13 facing downward. The piston rod 112 of the lower hydraulic cylinder 111 faces upward on the lower die 15. The intermediate die 14 and the upper die 13 are connected by a plurality of springs 16. The springs 16 are sleeved on the guide posts 17 in a one-to-one correspondence manner.

the lower base 11 is upwardly protruded to form a plurality of lower pressing columns 110. The upper die 13 protrudes downwards to form a boss 131, and the boss 131 correspondingly protrudes downwards to form a plurality of upper pressing columns 132. The upper end of the middle die 14 is correspondingly recessed to form a concave portion 140, and a plurality of vertical forming through holes (not labeled) are formed on the bottom of the concave portion 140. The upper pressing pillars 132, the lower pressing pillars 110 and the forming through holes are in one-to-one correspondence, and the forming through holes form a rectangular array.

The utility model discloses a distributing device is used for laying powder in the shaping through-hole of concave part 140, and it specifically includes vertical rack 22, gear train 24, horizontal rack 21, cloth powder box 23, accuse flitch 232, guide arm 233, blend stop 234, first compression spring 234, a plurality of depression bar 142 and a plurality of second compression spring 143.

Wherein, the upper end of the vertical rack 22 is fixed at the bottom of the lower die 15. The horizontal rack 21 extends left and right. The gear set 24 includes axially forward and rearward extending coaxially fixed pinion and bull gears. The vertical rack 22 is engaged with the pinion gear towards the right, and the horizontal rack 21 is engaged with the bull gear towards the upper.

The compact 23 is disposed within the recess 140 to be movable left and right. The cloth powder box 23 is fixedly connected with the right end of the horizontal rack 21. A plurality of leak holes 231a corresponding to the plurality of forming through holes in the left-right direction are formed in the bottom plate 231 of the cloth powder box 23.

the material control plate 232 is horizontally arranged. The guide rods 233 extend in the front-rear direction. The barrier 234 extends in the left-right direction and is perpendicular to the rear end of the guide bar 233. The front end of the guide rod 233 is inserted forward through the toner cartridge 23 and fixed to the rear end of the bottom plate 231. The material control plate 232 is provided with a row of material control holes 232a corresponding to the plurality of weep holes 231a one by one.

the first compression spring 234 is fitted over the guide bar 233. The rear end of which abuts against the barrier 234 and the front end of which abuts against the toner cartridge 23.

The pressing lever 142 is rotatably disposed on a vertical plane, and the plurality of pressing levers 142 are uniformly spaced in the left-right direction. A cavity 141 is opened on a side wall of the concave portion 140 of the intermediate mold 14 facing the barrier rib 234. The rear end of the strut 142 is located in the cavity 141 and is hinged to the intermediate die 14 by a vertical pin. The front end of the pressing rod 142 inclines towards the right, penetrates through the opening correspondingly formed at the front end of the cavity 141, and then is pressed against the blocking strip 234 forwards.

the plurality of second compression springs 143 correspond to the plurality of pressing rods 142 one to one. One end of the second compression spring 143 is fixed to the intermediate die 14, and the other end is fixed to the front end of the pressing rod 142.

The working principle is as follows: the utility model discloses make earlier and push down in the stock column 110 stretches into the shaping through-hole and then form the shaping chamber. Then, distributing molding powder in the molding cavity through a distributing device, and then laying a material sheet with a plurality of coils on the lower die 15 along the left-right direction; then, the upper die 13 and the intermediate die 14 are moved downward by the upper hydraulic cylinder 121, the lower die 15 is moved upward by the lower hydraulic cylinder 111, and the intermediate die 14 and the lower die 15 are closed in advance; continued movement then compresses the spring 16 so that the upper and intermediate dies 13, 14 close. The upper die 13 and the middle die 14 are fixed after being closed, and the lower pressing column 110 is lifted upwards, so that the upper pressing column 132 and the upper pressing column 132 press and form the powder in the forming cavity. The upper and middle dies 13, 14 are then reset upward, and the lower die 15 is moved upward to eject the formed inductor 30 upward through the lower plunger. And then the inductor is manually picked out and is subjected to subsequent procedures of painting, baking and the like to obtain a finished inductor.

Wherein, the utility model discloses a distributing device cloth process as follows: firstly, the lower die drives the vertical rack to move downwards, and then drives the horizontal rack to move towards the right through the gear set, the moving direction of the barrier strip is consistent with the direction of the pressure rod, the barrier strip moves towards the back under the thrust action of the first compression spring, so that the leakage hole is superposed with the material control hole, and then the powder is distributed in the forming cavity from the distribution box; when the cloth box is staggered with the lug boss at a certain distance towards the right, the upper die and the middle die are matched for molding; after the molding, go up the mould and return up, drive cloth box and return towards the left side simultaneously, at this moment, because the frictional force between depression bar and the blend stop, the blend stop makes the depression bar towards the left turn, and then makes the corresponding towards the left movement of blend stop to make small opening and accuse material hole stagger gradually, when both stagger completely, cloth box and boss just stagger, the unable unloading of distributing device, the corresponding towards the left movement of blend stop and then reset.

in other embodiments, it is preferable that a rubber layer is fixed to the rear side of the barrier 234 and the front end of the pressing rod 142 is covered with a rubber sleeve to improve the friction effect.

the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An inductance molding apparatus, comprising:

The device comprises a lower seat (11) and an upper seat (12), wherein the lower seat (11) and the upper seat (12) are fixedly connected through a plurality of vertical guide pillars (17), a lower hydraulic cylinder (111) is arranged on the lower seat (11), an upper hydraulic cylinder (121) is arranged on the upper seat (12), and the lower seat (11) extends upwards to form a plurality of lower material pressing pillars (110);

an upper die (13), a middle die (14) and a lower die (15) which are sequentially and movably arranged on the guide post (17) from top to bottom, a piston rod (122) of an upper hydraulic cylinder (121) is fixed on the upper die (13) downwards, a piston rod (112) of a lower hydraulic cylinder (111) is arranged on the lower die (15) upwards, and the middle die (14) is connected with the upper die (13) through a spring (16); the upper die (13) protrudes downwards to form a boss (131), the upper end of the middle die (14) correspondingly recesses to form a concave part (140), the bottom of the concave part (140) is provided with a plurality of vertical forming through holes, the boss (131) correspondingly protrudes downwards to form a plurality of upper material pressing columns (132), and the upper material pressing columns (132) correspond to the lower material pressing columns (110) one by one;

and a distributing device for distributing powder in the forming through hole of the concave part (140);

Wherein the plurality of shaped vias form a rectangular array.

2. The inductance molding device according to claim 1, wherein said distributing device comprises:

The upper end of the vertical rack (22) is fixed at the bottom of the lower die (15);

A gear set (24) comprising a pinion gear and a bull gear extending axially forward and rearward and coaxially fixed, a vertical rack (22) meshing with the pinion gear toward the right;

The horizontal rack (21) extends left and right, and the horizontal rack (21) is upwards meshed with the large gear;

the powder distribution box (23), the powder distribution box (23) is filled with molding powder, the powder distribution box (23) is arranged in the concave part (140) in a left-right moving mode, the powder distribution box (23) is fixedly connected with the right end of the horizontal rack (21), and a row of a plurality of leakage holes (231a) corresponding to the molding through holes in the left-right direction are formed in a bottom plate (231) of the powder distribution box (23);

The cloth powder box comprises a horizontally arranged material control plate (232), a guide rod (233) extending forwards and backwards and a barrier strip (234) perpendicular to the rear end of the guide rod (233), wherein the barrier strip (234) extends in the left-right direction, the front end of the guide rod (233) penetrates through the cloth powder box (23) forwards and is fixed on the rear end of a bottom plate (231), and a row of a plurality of material control holes (232a) which correspond to the plurality of leakage holes (231a) one by one are formed in the material control plate (232);

the first compression spring (234), the first compression spring (234) is set on the guide rod (233), the rear end of the first compression spring is connected with the baffle strip (234) in an abutting mode, and the front end of the first compression spring is connected with the powder distribution box (23) in an abutting mode;

The pressing device comprises a plurality of pressing rods (142) which are rotatably arranged on a vertical plane, wherein the pressing rods (142) are uniformly arranged at intervals in the left-right direction, a cavity (141) is formed in the side wall of one side, facing the barrier strip (234), of a concave part (140) of the middle die (14), the rear end of each pressing rod (142) is positioned in the cavity (141) and hinged to the middle die (14) through a vertical pin shaft, and the front end of each pressing rod (142) inclines towards the right, penetrates through an opening correspondingly formed in the front end of the cavity (141) and presses against the barrier strip (234) forwards;

And the second compression springs (143) correspond to the plurality of compression rods (142) one to one, one ends of the second compression springs (143) are fixed on the middle die (14), and the other ends of the second compression springs are fixed on the front ends of the compression rods (142).

3. The inductance molding device according to claim 1, wherein a rubber layer is fixed to the rear side of the barrier strip (234), and the front end of the pressing rod (142) is correspondingly covered with a rubber sleeve.