Positioning device for cutting magnetic core

Abstract

The utility model discloses a positioning device for cutting magnetic cores, which comprises a bearing seat and a cutting die, the bearing seat is provided with a bearing notch for bearing a magnetic core to be cut, the bearing notch is arranged on the bearing seat along the axial direction of the bearing seat in a penetrating manner, the section of the bearing notch is inclined on the horizontal plane, and the cutting die is arranged on the bearing notch. According to the magnetic core cutting machine, the bearing notch is arranged to be of the structure with the certain dip angle formed between the bearing notch and the horizontal plane in advance, it is ensured that the magnetic core placed in the bearing notch and the horizontal plane also form a certain dip angle, and therefore a tool bit of the cutting machine can directly cut a needed bevel opening in the magnetic core in the cutting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic core cutting, especially relates to a positioning device for cutting magnetic core. BACKGROUND

[0002] Magnetic core refers to a kind of sintered magnetic metal oxide composed of various iron oxide mixtures, commonly used in high-frequency transformer, need to open air gap for preventing magnetic saturation, have the effect of reducing permeability, increasing saturation current, etc., the air gap notch of traditional magnetic core is perpendicular on the arm of magnetic core, the blade of cutting machine directly cuts the air gap notch position to complete, but when facing the scene that the air gap notch of magnetic core needs to be inclined on the arm of magnetic core, the position of magnetic core needs to be adjusted, so that the blade of cutting machine can cut the air gap notch into bevel, for the problem of how to adjust the position of magnetic core, the present application proposes a kind of solution. SUMMARY

[0003] The utility model aims at providing a positioning device for cutting magnetic core, which can position the magnetic core, so that the cutter head of the cutting machine can cut the air gap notch on the magnetic core into an inclined position on the arm of the magnetic core.

[0004] Technical scheme: the positioning device for cutting magnetic core, comprising bearing seat and cutting die, the bearing seat is provided with bearing slot for bearing the magnetic core to be cut, the bearing slot is through the bearing seat along the axial direction of the bearing seat, the cross section of the bearing slot is inclined on the horizontal plane, the axial end face of the bearing seat is provided with cutting die.

[0005] Preferably, the axial end face of the bearing seat on any one side is provided with cutting die, or the axial end face of the bearing seat on both sides is provided with cutting die.

[0006] The cutting die is arranged on the axial side or both sides of the bearing seat to guide the direction of the cutter head of the cutting machine.

[0007] Preferably, the cutting die and the bearing seat are fixedly connected by welding or screw connection.

[0008] The connection mode of welding or screw connection can fixedly connect the cutting die and the bearing seat together, so that they will not be separated or dislocated during processing.

[0009] Preferably, the cutting die is provided with a blade edge, the width of the blade edge is greater than the width of the cutter head for cutting the magnetic core, and the depth of the blade edge is greater than the length of the cutout of the magnetic core.

[0010] The width of the blade edge is greater than the width of the cutter head, and the depth is greater than the length of the cutout, which is to facilitate the cutter head of the cutting machine to cut the magnetic core smoothly after passing through the cutting die.

[0011] Preferably, the cutting edge is consistent with the cut of the magnetic core in the axial direction of the bearing seat.

[0012] The cutting edge is consistent with the cut of the magnetic core in the axial direction of the bearing seat, which ensures that when the cutter head of the cutting machine enters the bearing slot on the bearing seat along the position of the cutting edge, the position of the magnetic core cut by the cutter head is the position of the cut required by the magnetic core.

[0013] Preferably, the cross section of the bearing slot is consistent with the cross section of the magnetic core.

[0014] The cross section of the bearing slot is consistent with the cross section of the magnetic core, which ensures that the magnetic core placed in the bearing slot does not displace in the radial direction.

[0015] Preferably, the cross section of the bearing slot is inclined at an angle of 60° to the horizontal plane.

[0016] The cross section of the bearing slot is inclined at an angle of 60° to the horizontal plane, so that the magnetic core placed in the bearing slot is also inclined at an angle of 60° to the horizontal plane, so that when the cutter head of the cutting machine enters the bearing slot to cut the magnetic core, the cut is perpendicular to the horizontal plane and inclined at an angle of 60° to the arm of the magnetic core.

[0017] Preferably, the axial length of the bearing seat is an integer multiple of the width of the magnetic core.

[0018] The axial length of the bearing seat is an integer multiple of the width of the magnetic core, which ensures that multiple magnetic cores can be placed completely on the bearing seat, and the axial positioning of the magnetic cores can be completed in cooperation with the double-sided cutting die or in cooperation with the single-sided cutting die and the external top block.

[0019] Advantages: Compared with the prior art, the utility model has the following advantages:

[0020] (1) The bearing slot is inclined at a certain angle to the horizontal plane, which ensures that the magnetic core placed in the bearing slot is also inclined at a certain angle to the horizontal plane, so that the cutter head of the cutting machine can directly cut the required inclined cut on the magnetic core when cutting.

[0021] (2) Multiple magnetic cores can be placed in the bearing slot at the same time, batch cutting of the magnetic cores can be realized, and the processing efficiency is improved. Since the cuts of the multiple magnetic cores are cut by the cutter head of the cutting machine in the same tool path, the consistency of the cuts of the same batch of magnetic cores is high. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 is a perspective view of the utility model.

[0023] Fig. 2 A perspective view of the magnetic core when placed in the bearing slot.

[0024] Fig. 3 A cross-sectional view of the utility model.

[0025] Wherein: 1, bearing seat; 2, cutting die; 3, bearing slot; 4, knife edge; 5, magnetic core. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be further described below with reference to the drawings.

[0027] Referring to the drawings Figs. 1-3 The positioning device for cutting magnetic core shown in the utility model comprises a bearing seat 1 and a cutting die 2, the bearing seat 1 is provided with a bearing slot 3 for bearing the magnetic core 5 to be cut, the bearing slot 3 is provided on the bearing seat 1 in a through manner along the axial direction of the bearing seat 1, the cross section of the bearing slot 3 is inclined on the horizontal plane, and the cutting die 2 is arranged on the axial end face of the bearing seat 1.

[0028] In the embodiment, the cutting die 2 can be arranged on one side of the axial end face of the bearing seat 1, or arranged on both sides of the axial end face of the bearing seat 1, and the direction of the cutter head of the cutting machine is guided by the knife edge 4 on the cutting die 2.

[0029] In the embodiment, the cutting die 2 and the bearing seat 1 are fixedly connected in a welding or threaded connection manner, so as to prevent the cutting die 2 from being separated or misaligned during the machining process.

[0030] In the embodiment, the cutting die 2 is provided with the knife edge 4, the width of the knife edge 4 is greater than the width of the cutter head of the cutting magnetic core 5, and the depth of the knife edge 4 is greater than the length of the cut opening of the magnetic core 5, so that the cutter head of the cutting machine can smoothly pass through the cutting die 2 to cut the magnetic core 5.

[0031] In the embodiment, the knife edge 4 and the cut opening of the magnetic core 5 are consistent in the axial direction of the bearing seat 1, so that when the cutter head of the cutting machine enters the bearing slot 3 on the bearing seat 1 along the position of the knife edge 5, the position of the cutter head cutting the magnetic core 5 is the position of the cut opening required by the magnetic core 5.

[0032] In the embodiment, the cross section of the bearing slot 3 is consistent with the cross section of the magnetic core 5, so that the magnetic core 5 placed in the bearing slot 3 will not be displaced in the radial direction.

[0033] In the embodiment, the cross section of the bearing notch 3 keeps 60° angle with the horizontal plane, so that the magnetic core 5 placed in the bearing notch 3 keeps 60° angle with the horizontal plane, so that the cutting head of the cutting machine cuts the magnetic core 5 in the bearing notch 3, and the cut is perpendicular to the horizontal plane and keeps 60° angle with the arm of the magnetic core 5.

[0034] In the embodiment, the axial length of the bearing seat 1 is an integer times of the width of the magnetic core 5, so that the magnetic core 5 can be placed in the bearing seat 1 completely, and the axial positioning of the magnetic core can be completed by the double-sided cutting die 2 or the single-sided cutting die 2 and the external top block.

[0035] In use, the operator places the magnetic core 5 to be cut in the bearing notch 3 in sequence, and then places the device and the magnetic core 5 in the processing position of the cutting machine, and the cutting head of the cutting machine enters the bearing notch 3 along the cutting edge 4 of the cutting die 2 to cut the magnetic core 5 in the bearing notch 3, so that the batch of magnetic cores 5 can be cut.

[0036] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the utility model should be covered by the claims of the utility model.

Claims

1. A positioning device for cutting a magnetic core, characterized by: The cutting die is arranged on the axial end surface of the bearing seat.

2. A positioning device for cutting a magnetic core according to claim 1, characterized in that: The cutting die is arranged on the axial end surface of the bearing seat.

3. A positioning device for cutting a magnetic core according to claim 1, characterized in that: The cutting die is fixedly connected with the bearing seat by welding or screw thread connection.

4. The positioning device for cutting a magnetic core according to claim 1, wherein: The cutting die is arranged on the axial end surface of the bearing seat.

5. A positioning device for cutting a magnetic core according to claim 4, characterized in that: The cutting die is arranged on the axial end surface of the bearing seat.

6. A positioning device for cutting a magnetic core according to claim 1, characterized in that: The cutting die is arranged on the axial end surface of the bearing seat.

7. The positioning device for cutting a magnetic core according to claim 1, wherein: The cutting die is arranged on the axial end surface of the bearing seat.

8. The positioning device for cutting a magnetic core according to claim 1, wherein: The cutting die is arranged on the axial end surface of the bearing seat.

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