CN217690768U

CN217690768U - Assembling device for pasting stepped shaft combined magnetic core

Info

Publication number: CN217690768U
Application number: CN202221720527.8U
Authority: CN
Inventors: 柏强社; 曹煜; 陈国明
Original assignee: Junri Technology Shenzhen Co ltd
Current assignee: Junri Technology Shenzhen Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-28
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses an assembly quality is pasted to step shaft combination magnetic core belongs to electromagnetic oscillator and makes the field. The base extends a plurality of limiting bulges towards the combined magnetic core positioning hole, a first groove is formed between every two adjacent limiting bulges, a second groove corresponding to the first groove is formed in the outer side surface of the base, two ends of the first groove and two ends of the second groove extend to the upper surface and the lower surface of the base to form an annular assembly position, and the annular rubber ring is sleeved on the assembly position. Compared with the prior art: the assembling device can ensure that the combined magnetic core has higher concentricity in the assembling process without reserving a process center positioning hole in the middle of the magnet, and the adhesive area is increased so as to improve the adhesive strength; after the combined magnetic core is assembled, the combined magnetic core can be positioned without transferring the combined magnetic core to a positioning jig, so that the operation steps are reduced, the production procedure is simplified, and the risk that the positioning jig is stained with glue is reduced.

Description

Assembling device for pasting stepped shaft combined magnetic core

Technical Field

The utility model belongs to electromagnetic oscillator makes the field, in particular to assembling device is pasted to step shaft combination magnetic core.

Background

In the field of electromagnetic oscillator manufacturing, it is required to form a "combined magnetic core" by bonding and combining magnets instead of an iron core to form stronger oscillation. Due to space limitations and the requirement of the magnetic field environment, the magnetic cores must be assembled by bonding. In order to reduce the gap between the magnet of the combined magnetic core and the inner wall of the external coil and avoid the non-magnetic body part protruding out of the magnet to influence the movement, each combined part of the combined magnetic core is also manufactured into a step magnetic core with the largest diameter of the magnetic core and the smaller diameter of the related connection auxiliary part, as shown in figure 1. The existing step magnetic core is usually produced by adopting a mode of positioning a central hole, bonding, moving to a porous stainless steel plate jig and waiting for cementing. Because of the differences in the outer diameters of the magnet system components, the current mode of production creates the following problems:

1. a positioning process hole is needed to assist in positioning in the middle of the magnetic core to ensure concentricity.

2. The concentricity of the product is unstable, the bonded combination needs to be moved to a positioning jig of a stainless steel plate with holes for positioning and drying after bonding, and part of the combination is not stable due to the fact that the glue is not dry in the moving process, and the product quality is affected by eccentricity after stress.

3. The glue is easy to adhere to the positioning central column and the magnetic core, and is troublesome to clean and time-consuming.

4. In the process of drying glue such as a shaping jig, the glue can stick to the magnet core and the jig, so that the magnet core is difficult to take out, and even can be broken in the taking-out process.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the primary object of the present invention is to provide a device for sticking and assembling a stepped shaft combined magnetic core, which ensures a high concentricity in the process of assembling the combined magnetic core, and increases the adhesive area of the combined magnetic core to improve the adhesive strength;

another object of the utility model is to provide an assembly quality is pasted to step shaft combination magnetic core need not to shift combination magnetic core to positioning jig, has reduced the operation step and has simplified the production procedure, has also avoided shifting to positioning jig in-process combination magnetic core to take place off-centre, reaches because glue does not glue the risk on the positioning jig futilely.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an assembly quality is pasted to step shaft combination magnetic core, including base, annular rubber ring, the central part of base is provided with the combination magnetic core locating hole that link up from top to bottom, the base to combination magnetic core locating hole extends the spacing arch of several, forms first recess between the adjacent spacing arch, the lateral surface of base be provided with the second recess that first recess is corresponding, the both ends of first recess and second recess all extend to the annular assembly position of the upper and lower two shape of face of base, annular rubber ring cover is established and can be rotated on the assembly position.

Furthermore, a section groove communicated with the first groove is further formed in the base. Can be through the terminal surface slot from the loading and unloading annular rubber ring of base, the loading and unloading of the annular rubber ring of being convenient for.

Furthermore, the annular rubber ring is tightly attached to the first groove, the second groove, the top surface of the base and the bottom surface of the base, and the annular rubber ring in the first groove is abutted to the stepped shaft combined magnetic core in the positioning hole of the combined magnetic core.

Further, the base is made of a non-magnetic material, preferably a brass material.

Further, the annular rubber ring is provided with a plurality of, and the annular rubber ring can be solid annular rubber ring or hollow annular rubber ring.

Furthermore, the limiting protrusion is an arc protrusion.

Furthermore, the plurality of limiting protrusions are the same in size and are arranged at equal intervals.

The utility model has the advantages of, compare in prior art:

firstly, the sticking assembly device ensures higher concentricity in the assembly process of the combined magnetic core by arranging the combined magnetic core positioning hole, and a process center positioning hole is not required to be reserved in the middle of the magnet, so that the sticking area is increased, and the sticking strength is improved;

secondly, the pasting and assembling device can position the combined magnetic core after the combined magnetic core is assembled, the combined magnetic core does not need to be transferred to a positioning jig, the operation steps are reduced, the production procedure is simplified, the combined magnetic core is prevented from being eccentric in the process of transferring to the positioning jig, and the risk that glue is not adhered to the positioning jig is avoided;

thirdly, the annular rubber ring has certain elasticity, so that a plurality of parts of the combined magnetic core have the effect of floating and aligning in the bonding process, and the parts with different diameters can be automatically aligned to the center;

finally, through the rotation of annular rubber ring, can take out the tool with overflowing glue between each magnet contact surface, reduce the problem that production is influenced together in the bonding of magnet and tool.

Drawings

Fig. 1 is a schematic view of the combined magnetic core structure of the present embodiment.

Fig. 2 is a schematic structural view of the paste applying apparatus of the present embodiment.

Fig. 3 is a plan view showing the assembled state of the combined magnetic core and the adhesive attaching and assembling device of the present embodiment.

Fig. 4 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to achieve the above object, the technical solution of this embodiment is as follows:

referring to fig. 1-4, the present embodiment provides a step shaft combined magnetic core pasting assembly device, including a brass base 1 and an annular rubber ring 2, a combined magnetic core positioning hole 3 which is through from top to bottom is provided at the central portion of the brass base 1, the brass base 1 extends three limiting protrusions 4 to the combined magnetic core positioning hole 3, a first groove 5 is formed between adjacent limiting protrusions 4, a second groove 6 corresponding to the first groove 5 is provided on the outer side surface of the brass base 1, both ends of the first groove 5 and the second groove 6 extend to the upper and lower surfaces of the brass base 1 to form an annular assembly position 7, and the annular rubber ring 2 is sleeved on the assembly position 7 and can rotate on the assembly position 7.

Furthermore, the brass base 1 is also provided with a section groove 11 communicated with the first groove 5. Can be through sectional groove 11 from the loading and unloading of brass base 1 annular rubber ring 2, be convenient for annular rubber ring 2's loading and unloading.

Further, the annular rubber ring 2 is tightly attached to the first groove 5, the second groove 6, the top surface of the brass base 1 and the bottom surface of the brass base 1, and the annular rubber ring 2 in the first groove 5 abuts against the stepped shaft combined magnetic core in the combined magnetic core positioning hole 3.

Further, the number of the annular rubber rings 2 is three, and the annular rubber rings 2 are hollow annular rubber rings.

Further, the limiting protrusion 4 is an arc protrusion.

Further, the three limiting protrusions 4 are the same in size and are arranged at equal intervals.

Further, the working principle of this embodiment is as follows: the brass base 1 is provided with three limiting bulges 4 at the central position, three positioning longitudinal lines 8 can be formed in the vertical direction, the three positioning longitudinal lines 8 limit the maximum size of the magnet of the combined magnetic core 10 in the combined magnetic core positioning hole 3, and because the contact area with the side edge of the magnet is small, a small amount of glue is adhered to the brass base in the manufacturing process, the brass base can be cleaned up by the loading action of the magnet from top to bottom due to friction, and therefore the small probability is adhered by the overflowing glue in the adhering process. Three first grooves 5 are manufactured atbase:Sub>A central positioning point ofbase:Sub>A brass base 1, three second grooves 6 are manufactured on the extension of the brass base 1,base:Sub>A mounting position 7 for mounting an annular rubber ring 2 is formed, as shown inbase:Sub>A section A-A of figure 4, the soft characteristic of the annular rubber ring 2 can accommodate parts with different diameters ofbase:Sub>A combined magnetic core, the parts with different diameters are pushed to the center, the shapes that the different diameters tend to the center are formed, after end face glue dispensing, the parts sequentially enterbase:Sub>A clamping range of the annular rubber ring 2 in the advancing direction of the magnetic core with the section A-A of figure 4, the annular rubber ring 2 slides under the driving of the parts, when the annular rubber ring 2 slides out of the clamping position, deformation and turning can occur atbase:Sub>A self-cleaning position 9 of the rubber ring,base:Sub>A small amount of residual glue adhered to the annular rubber ring 2 falls off due to stretching and bending of the annular rubber ring 2, the annular rubber ring 2 is self-cleaned, and the annular rubber ring 2 slides to the outside of the brass base 1, and even if the small amount of residual glue which cannot be cleaned is cleaned, the brass base 1 is rotated to be cleaned manually. In addition, a section groove 11 is formed in the periphery of the brass base 1, so that the annular rubber ring 2 can be conveniently installed in a device or taken out for replacement and cleaning.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an assembly quality is pasted to step shaft combination magnetic core which characterized in that, including base, annular rubber ring, the central part of base is provided with the combination magnetic core locating hole that link up from top to bottom, the base to combination magnetic core locating hole extends the spacing arch of several, forms first recess between the adjacent spacing arch, the lateral surface of base be provided with the second recess that first recess corresponds, the both ends of first recess and second recess all extend to the annular assembly position of upper and lower two faces shape of base, annular rubber ring cover is established on the assembly position and can rotate on the assembly position.

2. The stepped shaft combined magnetic core paste assembling device as claimed in claim 1, wherein the base is further provided with a sectional groove communicating with the first groove.

3. The stepped shaft combined magnetic core pasting and assembling device as claimed in claim 1, wherein the annular rubber ring is tightly attached to the first groove, the second groove, the top surface of the base and the bottom surface of the base, and the annular rubber ring in the first groove is abutted to the stepped shaft combined magnetic core in the positioning hole of the combined magnetic core.

4. The step shaft assembly magnetic core pasting assembly device as claimed in claim 1, wherein said base is made of non-magnetic conductive material.

5. The stepped shaft combined magnetic core pasting and assembling device as claimed in claim 1, wherein a plurality of annular rubber rings are provided, and the annular rubber rings are solid annular rubber rings or hollow annular rubber rings.

6. The stepped shaft combined magnetic core pasting and assembling device as claimed in claim 1, wherein said limiting protrusion is an arc-shaped protrusion.

7. The stepped shaft combined magnetic core pasting and assembling device as claimed in claim 1, wherein a plurality of said limiting protrusions are of the same size and are arranged at equal intervals.