Soft magnetic ferrite core bottom surface grinding clamp

Abstract

The utility model relates to the technical field of clamps, in particular to a soft magnetic ferrite core bottom face grinding clamp which comprises a disc body, through holes are formed in the left end and the right end of the disc body, inserting rods are inserted into the through holes, one end of each inserting rod is fixedly connected with a fixing block, and threads are formed in the other end of each inserting rod. The outer surface of the thread is in threaded connection with a nut, and the outer surface of the insertion rod is sleeved with a plurality of disc bodies. A collecting groove is formed in the edge of the top of the tray body, and an inserting groove is formed in the top of the tray body. Compared with the prior art, the magnetic core tray has the advantages that the plurality of tray bodies are arranged, each tray body is an independent individual, only one row of magnetic cores are arranged on each independent tray body, so that the magnetic cores can be conveniently assembled and disassembled, the plurality of tray bodies can be tightly attached together through the two inserting rods, the plurality of tray bodies can be positioned on the two inserting rods through the nuts, and the tray bodies are convenient to assemble and disassemble. And a plurality of disc bodies are combined into a whole, so that the subsequent grinding work can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a grinding jig for the bottom surface of a soft ferrite magnetic core. Background Art

[0002] Soft ferrite has the characteristics of high magnetic permeability, high resistivity, low loss, etc. at high frequencies, and has the advantages of easy mass production, stable performance, high machining performance, and can be made into various shaped magnetic cores by using molds, especially the low cost, etc., and is quickly popularized and applied in the fields of communication, sensing, audio-visual equipment, switching power supplies, and magnetic head industries.

[0003] A grinding jig for the bottom surface of a soft ferrite magnetic core disclosed in Chinese Patent CN203293005U is a disk body. A magnetic core slot is opened at the top of the disk body, and the magnetic core can be perfectly clamped in the slot. Multiple magnetic cores can be placed side by side on the disk body. Although several magnetic cores can be arranged and polished simultaneously, the closely arranged magnetic core slots will make the clamped magnetic cores closely connected, making it inconvenient to access the magnetic cores. Summary of the Utility Model

[0004] The purpose of the utility model aims to solve at least one of the technical defects.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a grinding jig for the bottom surface of a soft ferrite magnetic core.

[0006] The purpose of the utility model is realized through the following technical solutions: a grinding jig for the bottom surface of a soft ferrite magnetic core, including a disk body. Through holes are opened at both the left and right ends of the disk body. A plug rod is inserted into the through holes. One end of the plug rod is fixedly connected with a fixed block, and the other end of the plug rod is provided with threads. A nut is threadedly connected to the outer surface of the threads. A plurality of disk bodies are sleeved on the outer surface of the plug rod;

[0007] A collection groove is opened at the edge of the top of the disk body, and a slot is opened at the top of the disk body. A magnetic core is inserted into the slot.

[0008] Preferably, the through holes are round holes, the number of the through holes is two, the two through holes are respectively located at the centers of the left and right ends of the disk body, and the diameter of the through holes is adapted to the diameter of the plug rod.

[0009] By adopting the above technical solutions, a plurality of disk bodies can be connected into a whole through the plug rod, and the independent disk bodies can better install and disassemble the magnetic cores on their tops.

[0010] Preferably, the insertion rod is a cylinder, a fixing block is welded at the center of one end of the insertion rod, the fixing block is a rectangular block, and the width of the fixing block is adapted to the diameter of the insertion rod.

[0011] Preferably, the nut is a ring, an internal thread adapted to the thread is provided on the inner wall of the nut, and the thickness of the nut is less than the length of the thread.

[0012] By adopting the above technical solution, the fixing block can be fixed inside a plurality of disk bodies in cooperation with the nut.

[0013] Preferably, the number of the insertion rods is two, the number of the disk bodies is several, several disk bodies are inserted on the outer surfaces of the two insertion rods, and the outer walls of several disk bodies are in contact with each other.

[0014] By adopting the above technical solution, several disk bodies can be closely arranged side by side through the insertion rods to form a whole.

[0015] Preferably, the collecting groove is located at the edge of the disk body, the collecting groove is a rectangular frame groove, the number of the collecting grooves is one, the depth of the slot is adapted to the size of the magnetic core, the depth of the collecting groove is less than the depth of the slot, the number of the slots is several, and several slots are linearly arrayed on the top of the disk body.

[0016] By adopting the above technical solution, the collecting groove can collect the dust generated during grinding.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. For the bottom surface grinding fixture of the soft magnetic ferrite magnetic core, by arranging the insertion rods, through holes are provided at both the left and right ends of the disk body, the insertion rods are inserted into the through holes, the number of the disk bodies is several, and each disk body is an independent individual, and there is only one row of magnetic cores on the independent disk body, so that the installation and disassembly of the magnetic cores can be facilitated. Several disk bodies can be closely attached together through two insertion rods, and several disk bodies can be positioned on the two insertion rods through nuts, and several disk bodies are combined into a whole, which is convenient for subsequent grinding work;

[0019] 2. For the bottom surface grinding fixture of the soft magnetic ferrite magnetic core, by arranging the collecting groove, the collecting groove is provided at the edge of the top of the disk body, slots are provided at the top of the disk body, the magnetic cores are inserted into the slots, the magnetic cores can be inserted into the slots, most of the dust generated during grinding can be collected by the collecting groove, avoiding the situation that the dust overflows outward during grinding. There is a certain distance between the rows of magnetic cores on the top of the disk body, and this distance can also reserve a position for the dust generated during grinding, avoiding the dust from overflowing outward. Description of the Drawings

[0020] Figure 1Schematic diagram of the structure of the present utility model;

[0021] Figure 2 Schematic diagram of the structure of the disk body of the present utility model;

[0022] Figure 3 For the present utility model Figure 1 Enlarged schematic diagram of the structure at A in the present utility model;

[0023] Figure 4 Schematic diagram of the structure of the plug rod of the present utility model;

[0024] Figure 5 Schematic diagram of the structure of the magnetic core of the present utility model.

[0025] In the figure: 1 - disk body, 2 - through hole, 3 - plug rod, 4 - fixing block, 5 - thread, 6 - nut, 7 - collection groove, 8 - slot, 9 - magnetic core. Detailed implementation manner

[0026] The additional aspects and advantages of the present utility model will be further given in the following description with reference to the accompanying drawings, some of which will become apparent from the following description, or can be understood through the practice of the present utility model.

[0027] As Figures 1-4 shown, a grinding fixture for the bottom surface of a soft ferrite magnetic core includes a disk body 1. Through holes 2 are provided at both the left and right ends of the disk body 1. A plug rod 3 is inserted into the through hole 2. A fixing block 4 is welded to one end of the plug rod 3. Threads 5 are provided at the other end of the plug rod 3. A nut 6 is threadedly connected to the outer surface of the threads 5. A plurality of disk bodies 1 are sleeved on the outer surface of the plug rod 3.

[0028] Through the above settings, the number of disk bodies 1 is several, and each disk body 1 is an independent individual. There is only one row of magnetic cores 9 on the independent disk body 1, so that the installation and disassembly of the magnetic cores 9 can be facilitated. A plurality of disk bodies 1 can be closely attached together by two plug rods 3. The plurality of disk bodies 1 can be positioned on the two plug rods 3 through the nut 6. The plurality of disk bodies 1 are combined into a whole, which is convenient for subsequent grinding work;

[0029] As Figure 1 and Figure 3 shown, a collection groove 7 is provided at the edge of the top of the disk body 1, and a slot 8 is provided at the top of the disk body 1. A magnetic core 9 is inserted into the slot 8;

[0030] Through the above settings, most of the dust generated during grinding can be collected by the collection groove 7, avoiding the situation where the dust overflows outward during grinding. There is a certain distance between the row of magnetic cores 9 on the top of the disk body 1, and this distance can also reserve a position for the dust generated during grinding, avoiding the dust from overflowing outward;

[0031] As a preferred technical solution of the present utility model, the through hole 2 is a round hole, the number of the through holes 2 is two, the two through holes 2 are respectively located at the centers of the left and right ends of the disk body 1, and the diameter of the through hole 2 is adapted to the diameter of the insertion rod 3.

[0032] As a preferred technical solution of the present utility model, the insertion rod 3 is a cylinder, a fixing block 4 is welded at the center of one end of the insertion rod 3, the fixing block 4 is a rectangular block, and the width of the fixing block 4 is adapted to the diameter of the insertion rod 3.

[0033] As a preferred technical solution of the present utility model, the nut 6 is a ring, an anti-thread adapted to the thread 5 is provided on the inner wall of the nut 6, and the thickness of the nut 6 is less than the length of the thread 5.

[0034] As a preferred technical solution of the present utility model, the number of the insertion rods 3 is two, the number of the disk bodies 1 is several, several disk bodies 1 are inserted on the outer surfaces of the two insertion rods 3, and the outer walls of the several disk bodies 1 are in contact with each other.

[0035] As a preferred technical solution of the present utility model, the collection groove 7 is located at the edge of the disk body 1, the collection groove 7 is a rectangular frame groove, the number of the collection grooves 7 is one, the depth of the slot 8 is adapted to the size of the magnetic core 9, the depth of the collection groove 7 is less than the depth of the slot 8, the number of the slots 8 is several, and several slots 8 are linearly arrayed on the top of the disk body 1.

[0036] The working process of the present utility model is as follows:

[0037] S1. There is only one row of magnetic cores 9 on the independent disk body 1, so that the installation and disassembly of the magnetic cores 9 can be facilitated;

[0038] S2. Several disk bodies 1 can be closely attached together through two insertion rods 3, and several disk bodies 1 can be positioned on the two insertion rods 3 through the nuts 6, and several disk bodies 1 are combined into a whole;

[0039] S3. Most of the dust generated during grinding can be collected by the collection groove 7 to avoid the situation that the dust overflows outward during grinding. There is a certain distance between the row of magnetic cores 9 on the top of the disk body 1, and this distance can also reserve a position for the dust generated during grinding.

[0040] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A soft ferrite core bottom surface grinding fixture, characterized in that: The invention comprises a disk body (1), wherein both left and right ends of the disk body (1) are provided with through holes (2), an insertion rod (3) is inserted into the interior of the through hole (2), one end of the insertion rod (3) is fixedly connected to a fixing block (4), the other end of the insertion rod (3) is provided with a thread (5), the outer surface of the thread (5) is threadedly connected to a nut (6), and a plurality of disk bodies (1) are sleeved on the outer surface of the insertion rod (3); A collecting groove (7) is provided at the edge of the top of the disk body (1), a slot (8) is provided at the top of the disk body (1), and a magnetic core (9) is inserted into the interior of the slot (8).

2. The bottom surface grinding fixture of a soft ferrite core according to claim 1, characterized in that: The through hole (2) is a circular hole. There are two through holes (2). The two through holes (2) are respectively located at the center of the left and right ends of the disk body (1). The diameter of the through hole (2) is compatible with the diameter of the insertion rod (3).

3. The bottom surface grinding fixture of a soft ferrite core according to claim 1, characterized in that: The insertion rod (3) is a cylinder, and a fixing block (4) is welded at the center of one end of the insertion rod (3). The fixing block (4) is a rectangular block, and the width of the fixing block (4) is compatible with the diameter of the insertion rod (3).

4. The soft ferrite core bottom surface grinding fixture according to claim 1, characterized in that: The nut (6) is a circular ring, and the inner wall of the nut (6) is provided with a reverse thread matched with the thread (5), and the thickness of the nut (6) is smaller than the length of the thread (5).

5. The bottom surface grinding fixture of a soft ferrite core according to claim 1, characterized in that: The number of the insertion rods (3) is two, the number of the disk bodies (1) is a plurality, and the plurality of disk bodies (1) are inserted into the outer surfaces of the two insertion rods (3), and the outer walls of the plurality of disk bodies (1) are in contact with each other.

6. The soft ferrite core bottom surface grinding fixture according to claim 1, characterized in that: The collecting groove (7) is located at the edge of the disk body (1), the collecting groove (7) is a rectangular frame groove, the number of the collecting groove (7) is one, and the depth of the slot (8) is adapted to the size of the magnetic core (9). The depth of the collecting groove (7) is less than the depth of the slot (8), and the number of the slots (8) is several. A plurality of the slots (8) are linearly arrayed on the top of the disk body (1).

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