CN210082051U

CN210082051U - Positioning jig is fired to magnetic core

Info

Publication number: CN210082051U
Application number: CN201920407667.1U
Authority: CN
Inventors: 姚奎金
Original assignee: Xinfeng Tianke Electronics Co Ltd
Current assignee: Xinfeng Tianke Electronics Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-02-18
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a positioning jig is fired to magnetic core, the base both ends set up the side extension board, the collateral branch inboard sets up the bar groove, bar groove both ends set up the slider, the slider at both ends passes through first spring coupling with the both ends lateral wall in bar groove, bar groove middle part sets up the cam, the both ends correspondence of cam sets up the protruding portion, the protruding portion at both ends contacts with the slider at both ends respectively, the cam is connected in the output of motor, the locating plate is fixed in the outside of slider, collateral branch board one side sets up the sliding sleeve, the sliding sleeve passes through the locating pin with the collateral branch board and fixes, the limiting plate is fixed in the outside of sliding sleeve, the limiting plate inboard sets up the clamp plate, the clamp plate passes through third spring coupling with the limiting plate, the utility model.

Description

Positioning jig is fired to magnetic core

Technical Field

The utility model relates to a positioning jig technical field, concretely relates to positioning jig is fired to magnetic core.

Background

Magnetic core: magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core materials. The manganese-zinc ferrite has the characteristics of high magnetic permeability and high magnetic flux density and has the characteristic of lower loss. The nickel-zinc ferrite has the characteristics of extremely high resistivity, low magnetic permeability of less than several hundred, and the like. Ferrite cores are used in coils and transformers for various electronic devices.

The E-core is one shape of magnetic core. When the magnetic core is fired, a plurality of different processing procedures are often required, and positioning, mounting and fixing during the magnetic core processing are particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning jig is fired to magnetic core can realize the installation location to a plurality of E type magnetic cores with the specification.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning jig for magnetic core firing comprises a base, a positioning plate and a limiting plate, wherein side supporting plates are arranged at two ends of the base, a strip-shaped groove is formed in the inner side of each side supporting plate, sliders are arranged at two ends of the strip-shaped groove, the sliders at the two ends are connected with side walls at two ends of the strip-shaped groove through first springs, a cam is arranged in the middle of the strip-shaped groove, protrusions are correspondingly arranged at two ends of the cam and are respectively contacted with the sliders at two ends, the cam is connected to the output end of a motor, the positioning plate is fixed to the outer side of the sliders, a sliding sleeve is arranged on one side of each side supporting plate and is slidably connected with the side supporting plates, the sliding sleeve and the side supporting plates are fixed through a positioning pin, a second spring is sleeved on the outer side of the positioning pin, two ends of the second spring are respectively fixed with, and the pressing plate is connected with the limiting plate through a third spring.

Further, the upper end and the lower end of one side of the side support plate are provided with pin holes corresponding to the positioning pins, and the pin holes at the upper end are horizontally flush with the position of the cam.

Furthermore, a limiting rod penetrates through the middle of the limiting plate, and the limiting rod is in threaded connection with the limiting plate.

Further, the limiting rod is a T-shaped threaded rod.

Furthermore, an extrusion block is arranged on the inner side of the limiting rod and is in contact with the pressing plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the locating plate can be used for realizing the fixed location installation to a plurality of E type magnetic cores with the specification, is convenient for it to carry out the processing of various demands.

2. The adjustment of locating plate is driven by the rotation of cam, and the cam is driven by the motor, and the motor adopts servo motor, easily accurate control.

3. The inner side of the limiting plate is provided with a pressing plate, and the pressing plate can tightly press the installed E-shaped magnetic core under the action of the third spring, so that the outer surface of the E-shaped magnetic core is flush with the outer surface of the E-shaped magnetic core, and the E-shaped magnetic core is convenient to process.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the inner side structure of the side supporting plate of the present invention.

Fig. 3 is a schematic view of the pressing plate structure of the present invention.

1-a base; 11-side support plate; 12-a strip-shaped groove; 13-a slide block; 14-a first spring; 15-a cam; 16-an electric machine; 2, positioning a plate; 3-a limiting plate; 31-a platen; 32-a third spring; 33-a limiting rod; 34-an extrusion block; 4-a sliding sleeve; 41-a positioning pin; 42-a second spring; 43-pin hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a positioning fixture for magnetic core firing includes a base 1, a positioning plate 2, and a limiting plate 3, where two ends of the base 1 are provided with side supporting plates 11, an inner side of each side supporting plate 11 is provided with a strip-shaped groove 12, two ends of each strip-shaped groove 12 are provided with sliders 13, the sliders 13 at the two ends are connected with sidewalls at two ends of the strip-shaped groove 12 through first springs 14, a cam 15 is provided in the middle of the strip-shaped groove 12, two ends of the cam 15 are correspondingly provided with protrusions, the protrusions at the two ends are respectively contacted with the sliders 13 at the two ends, the cam 15 is connected to an output end of a motor 16, the positioning plate 2 is fixed to an outer side of the slider 13, one side of the side supporting plate 11 is provided with a sliding sleeve 4, the sliding sleeve 4 is slidably connected with the side supporting plate 11, the sliding sleeve 4 is fixed to the side supporting plate 11 through a positioning pin 41, the outer side of the positioning, the limiting plate 3 is fixed on the outer side of the sliding sleeve 4, the pressing plate 31 is arranged on the inner side of the limiting plate 3, and the pressing plate 31 is connected with the limiting plate 3 through a third spring 32.

Preferably, the pin holes 43 are formed in the upper end and the lower end of one side of the side support plate 11 corresponding to the positioning pins 41, and the pin holes 43 at the upper end are horizontally flush with the position of the cam 15, so that after the positioning pins 41 are inserted and fixed in the pin holes 43, the pressing plate 31 can be fully pressed on the outer surface of the magnetic core.

Preferably, the limiting rod 33 penetrates through the middle of the limiting plate 3, the limiting rod 33 is in threaded connection with the limiting plate 3, and the limiting rod 33 can push the pressing plate 31 and enable the pressing plate to compress, fix and limit the magnetic core.

Preferably, the limiting rod 33 is a T-shaped threaded rod.

Preferably, the pressing block 34 is disposed inside the limiting rod 33, the pressing block 34 is in contact with the pressing plate 31, and the pressing block 34 can increase a contact surface of the limiting rod 33 when pressing the pressing plate 31, so that the pressing plate 31 can be pushed and pressed conveniently.

The working principle is as follows: when the positioning jig is used, the E-shaped magnetic cores of different specifications can be positioned, installed and fixed, and the positioning jig is convenient to process.

Firstly, a plurality of E-shaped magnetic cores can be inserted and sleeved on the upper and lower positioning plates 3, and then the sliding sleeve 4 is slid upwards and fixed with the side supporting plates 11 by the positioning pins 41. At this time, the pressing plate 31 connected to the inner side of the limiting plate 3 is pressed against the outer surfaces of the E-shaped magnetic cores by the third spring 32, so that the plurality of E-shaped magnetic cores can be pressed inward to make the outer surfaces thereof flush, thereby facilitating the processing.

Then, the driving motor 16 is started to drive the cam 15 to rotate, the protruding parts at the two ends of the cam 15 respectively push the sliding blocks 13 outwards, so that the sliding blocks 13 drive the positioning plates 2 connected thereto to slide in the opposite direction, thereby clamping the installed E-shaped magnetic core, and then processing the E-shaped magnetic core according to the requirement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a positioning jig is fired to magnetic core which characterized in that: the positioning device comprises a base (1), a positioning plate (2) and a limiting plate (3), wherein side supporting plates (11) are arranged at two ends of the base (1), a strip-shaped groove (12) is arranged on the inner side of each side supporting plate (11), sliders (13) are arranged at two ends of each strip-shaped groove (12), the sliders (13) at the two ends are connected with side walls at two ends of each strip-shaped groove (12) through first springs (14), a cam (15) is arranged in the middle of each strip-shaped groove (12), protruding parts are correspondingly arranged at two ends of each cam (15), the protruding parts at the two ends are respectively contacted with the sliders (13) at the two ends, the cam (15) is connected to the output end of a motor (16), the positioning plate (2) is fixed on the outer side of each slider (13), a sliding sleeve (4) is arranged on one side of each side supporting plate (11), the sliding sleeve (4) is in sliding connection with the side supporting, second spring (42) has been cup jointed in the outside of locating pin (41), the both ends of second spring (42) are fixed with the end of locating pin (41) and the outer wall of sliding sleeve (4) respectively, limiting plate (3) are fixed in the outside of sliding sleeve (4), limiting plate (3) inboard sets up clamp plate (31), clamp plate (31) are connected through third spring (32) with limiting plate (3).

2. The magnetic core firing positioning jig according to claim 1, characterized in that: the upper end and the lower end of one side of the side support plate (11) are provided with pin holes (43) corresponding to the positioning pins (41), and the pin holes (43) at the upper end are level with the position of the cam (15).

3. The magnetic core firing positioning jig according to claim 1, characterized in that: the middle part of the limiting plate (3) is provided with a limiting rod (33) in a penetrating way, and the limiting rod (33) is in threaded connection with the limiting plate (3).

4. The magnetic core firing positioning jig according to claim 3, characterized in that: the limiting rod (33) is arranged to be a T-shaped threaded rod.

5. The magnetic core firing positioning jig according to claim 3, characterized in that: an extrusion block (34) is arranged on the inner side of the limiting rod (33), and the extrusion block (34) is in contact with the pressure plate (31).