Magnetic core chamfering device

Abstract

The utility model discloses a magnetic core chamfering device, and relates to the technical field of magnetic core machining. The device comprises a bottom plate, vent holes are formed in the upper surface of the bottom plate side by side; a negative pressure pumping assembly corresponding to the ventilation hole is arranged below the bottom plate; a magnetic core clamping assembly corresponding to the negative pressure pumping assembly is arranged on the upper surface of the bottom plate; a lifting assembly is vertically arranged on one side of the magnetic core clamping assembly; the lifting assembly is connected with a protective cover with the bottom of an open structure. A driving motor corresponding to the magnetic core clamping assembly is vertically inserted into the top of the protective cover in a penetrating mode. A transmission disc is horizontally fixed on an output shaft of the driving motor; the transmission disc is arranged on the inner side of the protective cover; the lower surface of the transmission disc is vertically connected with an inner edge chamfering tool bit and an outer edge chamfering tool bit. The magnetic core chamfering device is reasonable in structural design and convenient to use, the magnetic core chamfering processing efficiency and effect are effectively improved, and meanwhile chippings are prevented from influencing a magnetic core in the magnetic core chamfering process.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic core processing, in particular to a magnetic core chamfering device. Background Art

[0002] In the production of magnetic ring forming and pressing stage, even if the process angle is designed, sharp chamfered parts will inevitably appear; this sharp part will scratch the insulation layer of the coil during the subsequent coil winding, causing safety accidents; it will also cause poor paint spraying on the corners during the spraying process, resulting in poor voltage resistance; therefore, after the forming and pressing is completed, the corners of the magnetic ring need to be chamfered.

[0003] A Chinese patent with the authorization announcement number CN219944833U discloses a magnetic core chamfering device, which is provided with a frame, a power machine, a coupling, a rotating shaft, a knife shaft, a plurality of chamfering knives and an angle adjustment tool; the frame contains the power machine; the power machine is connected to the coupling by driving; the rotating shaft is connected to the coupling. The knife shaft is clamped on the rotating shaft; a plurality of chamfering knives are movably arranged on the knife shaft. The angle adjustment tool is arranged on the chamfering knife. The above device has the following disadvantages: since the above device does not effectively limit the magnetic core when chamfering the magnetic core, there may be problems such as chamfering failure or low chamfering yield, thereby affecting the production efficiency of the magnetic core; and the debris generated by the above device during the chamfering process of the magnetic core may adhere to the magnetic core and the chamfering knife, thereby increasing the wear rate of the magnetic core and affecting the production quality of the magnetic core. Therefore, it is urgent to study a magnetic core chamfering device to solve the above problems. Utility Model Content

[0004] The utility model provides a magnetic core chamfering device, the purpose of which is to solve the technical problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a magnetic core chamfering device, comprising a horizontally arranged bottom plate; a plurality of ventilation holes are arranged side by side on the upper surface of the bottom plate; a negative pressure extraction component corresponding to the ventilation holes is arranged below the bottom plate; a magnetic core clamping component corresponding to the negative pressure extraction component is arranged on the upper surface of the bottom plate; a lifting component is vertically arranged on one side of the magnetic core clamping component; a protective cover with an open bottom structure is connected to the lifting component; a driving motor corresponding to the magnetic core clamping component is vertically inserted through the top of the protective cover; a transmission disk is horizontally fixed to the output shaft of the driving motor; the transmission disk is arranged on the inner side of the protective cover; an inner chamfering cutter head and an outer chamfering cutter head are vertically connected to the lower surface of the transmission disk.

[0007] As a preferred technical solution of the utility model, the negative pressure extraction component includes a mounting plate horizontally fixed under the base plate; square blocks are fixedly inserted on the mounting plate; a groove connected to the ventilation hole is opened on the upper surface of the square block; a negative pressure pump is vertically fixed on the lower surface of the square block; and the air extraction end of the negative pressure pump is connected to the groove.

[0008] As a preferred technical solution of the utility model, the magnetic core clamping assembly includes a positioning block and a power telescopic rod fixed side by side on the upper surface of the base plate; the positioning block has an arc-shaped placement opening on an edge close to the power telescopic rod; a push-pull block is fixed to the output end of the power telescopic rod; the push-pull block is arranged between the positioning block and the power telescopic rod; an arc-shaped elastic sheet matching the arc-shaped placement opening is fixed to an edge of the push-pull block close to the positioning block; a positioning gap for the magnetic core is formed between the arc-shaped elastic sheet and the arc-shaped placement opening.

[0009] As a preferred technical solution of the utility model, the lifting assembly includes a bracket vertically fixed to the upper surface of the base plate; a guide rail is vertically fixed on the bracket; a linear motor is vertically connected to the upper end of the guide rail; a slider is connected to the output end of the linear motor; the slider is slidably connected to the guide rail; support rods are vertically fixed to the opposite side surfaces of the slider; the lower ends of the two support rods are respectively fixed to the opposite side walls of the protective cover; the tail end of the drive motor is fixedly inserted on the slider.

[0010] As a preferred technical solution of the utility model, the two opposite sides of the bottom of the protective cover are provided with accommodating notches corresponding to the positioning block and the push-pull block; one of the accommodating notches can slide with the positioning block; the other accommodating notch can slide with the push-pull block; the opposite side walls of the protective cover are vertically provided with multiple strip holes.

[0011] As a preferred technical solution of the present utility model, a first accommodating opening and a second accommodating opening are provided on the lower surface of the transmission disk; the upper end clearance of the inner chamfering cutter head is fitted in the first accommodating opening; the upper end clearance of the outer chamfering cutter head is fitted in the second accommodating opening; a first stud is inserted into a side wall of the first accommodating opening; one end of the first stud passes through the upper end of the inner chamfering cutter head; the other end of the first stud passes through the transmission disk; a second stud is inserted into a side wall of the second accommodating opening; one end of the second stud passes through the upper end of the outer chamfering cutter head; the other end of the second stud passes through the transmission disk.

[0012] As a preferred technical solution of the utility model, a photoelectric sensor corresponding to the magnetic core clamping assembly is installed on the side of the bottom plate; the photoelectric sensor is used to detect whether the magnetic core is damaged.

[0013] The utility model has the following beneficial effects:

[0014] The utility model places the magnetic core horizontally above the ventilation hole, clamps and positions the magnetic core using a magnetic core clamping assembly, drives a transmission plate to rotate using a driving motor, and then drives a protective cover and a driving motor to move downward using a lifting assembly, so that an inner chamfering cutter head and an outer chamfering cutter head chamfer the inner edge and the outer edge of the magnetic core respectively, and simultaneously removes debris generated during the chamfering process of the magnetic core through a negative pressure extraction assembly, which not only effectively improves the production efficiency of the magnetic core, but also prevents the debris from affecting the magnetic core during the chamfering process of the magnetic core, and also improves the yield rate of the magnetic core, and has a high market application value.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 The utility model is a structural schematic diagram of a magnetic core chamfering device.

[0018] Figure 2 for Figure 1 The main view of the structure.

[0019] Figure 3 It is a structural schematic diagram of the negative pressure extraction component of the present utility model.

[0020] Figure 4 It is a structural schematic diagram of the magnetic core clamping assembly of the utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the connection between the protective cover and the driving motor of the utility model.

[0022] Figure 6 It is a structural schematic diagram of the transmission disc of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-bottom plate, 2-negative pressure extraction component, 3-magnetic core clamping component, 4-lifting component, 5-protective cover, 6-driving motor, 7-transmission plate, 8-inner chamfering cutter head, 9-outer chamfering cutter head, 10-photoelectric sensor, 101-ventilation hole, 201-mounting plate, 202-square block, 203-groove, 204-negative pressure pump, 301-positioning block, 302-power telescopic rod, 303-arc-shaped receiving opening, 304-push-pull block, 305-arc-shaped elastic sheet, 401-bracket, 402-guide rail, 403-linear motor, 404-slider, 405-support rod, 501-accommodating notch, 502-strip hole, 701-first receiving opening, 702-second receiving opening, 703-first stud, 704-second stud. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figure 1-3As shown, the utility model is a magnetic core chamfering device, comprising a horizontally arranged bottom plate 1 and a conventional controller in the art; a plurality of strip-shaped ventilation holes 101 are arranged side by side on the upper surface of the bottom plate 1; a negative pressure extraction component 2 corresponding to the ventilation holes 101 is arranged below the bottom plate 1; a magnetic core clamping component 3 corresponding to the negative pressure extraction component 2 is arranged on the upper surface of the bottom plate 1; a lifting component 4 is vertically installed on one side of the magnetic core clamping component 3; a protective cover 5 with an open bottom structure is connected to the lifting component 4; a magnetic core clamping component 3 corresponding to the magnetic core is vertically inserted on the top of the protective cover 5 A driving motor 6 corresponding to the clamping assembly 3; the driving motor 6 is matched with the clearance of the top wall of the protective cover 5; the output shaft of the driving motor 6 is horizontally fixed with a transmission disk 7; the transmission disk 7 is arranged on the inner side of the protective cover 5; the lower surface of the transmission disk 7 is vertically connected with a conventional inner chamfering cutter head 8 and a conventional outer chamfering cutter head 9 in this field; the controller is electrically connected to the negative pressure extraction assembly 2, the magnetic core clamping assembly 3, the lifting assembly 4 and the driving motor 6 respectively; the controller is used to control the negative pressure extraction assembly 2, the magnetic core clamping assembly 3, the lifting assembly 4 and the driving motor 6. When in use, the magnetic core is placed horizontally above the ventilation hole 101, the magnetic core is clamped and positioned by the magnetic core clamping assembly 3, and then the transmission disk 7 is driven to rotate by the drive motor 6, and then the lifting assembly 4 is used to drive the protective cover 5 and the drive motor 6 to move downward, prompting the inner chamfering head 8 and the outer chamfering head 9 to chamfer the inner edge and the outer edge of the magnetic core respectively. At the same time, the debris generated by the magnetic core during the chamfering process is extracted by the negative pressure extraction assembly 2, which not only effectively improves the production efficiency of the magnetic core, but also avoids the debris from affecting the magnetic core during the chamfering process, and also improves the yield of the magnetic core.

[0028] Among them Figure 2 and Figure 5 As shown, the lifting assembly 4 includes a bracket 401 connected to the upper surface of the base plate 1 by vertical bolts; a guide rail 402 is connected to the bracket 401 by vertical bolts; a conventional linear motor 403 in the field is connected to the upper end of the guide rail 402 by vertical bolts; a slider 404 is connected to the output end of the linear motor 403; the slider 404 is slidably connected to the guide rail 402; the two opposite sides of the slider 404 are vertically bolted to support rods 405; the lower ends of the two support rods 405 are respectively bolted to the opposite side walls of the protective cover 5; the tail end of the drive motor 6 is fixedly inserted and arranged on the slider 404. When in use, the slider 404 is driven to rise and fall on the guide rail 402 by the linear motor 403, so that the protective cover 5 and the drive motor 6 are moved close to or away from the magnetic core clamping assembly 3, effectively ensuring the processing efficiency of the magnetic core.

[0029] Among them Figure 6As shown, the lower surface of the transmission disk 7 is provided with a first accommodating opening 701 with a square structure and a second accommodating opening 702 with a square structure; the upper end gap of the inner chamfering cutter head 8 is matched in the first accommodating opening 701; the upper end gap of the outer chamfering cutter head 9 is matched in the second accommodating opening 702; a first stud 703 is inserted into a side wall of the first accommodating opening 701; one end of the first stud 703 passes through the upper end of the inner chamfering cutter head 8; the other end of the first stud 703 passes through the transmission disk 7; the first stud 703 is threadedly matched with the inner chamfering cutter head 8 and the transmission disk 7 respectively; a second stud 704 is inserted into a side wall of the second accommodating opening 702; one end of the second stud 704 passes through the upper end of the outer chamfering cutter head 9; the other end of the second stud 704 passes through the transmission disk 7; the second stud 704 is threadedly matched with the outer chamfering cutter head 9 and the transmission disk 7 respectively. When in use, by fitting the upper end gap of the inner chamfering cutter head 8 into the first accommodating opening 701 and the upper end gap of the outer chamfering cutter head 9 into the second accommodating opening 702, and then inserting the first stud 703 into the inner chamfering cutter head 8 and the transmission disk 7 and inserting the second stud 704 into the outer chamfering cutter head 9 and the transmission disk 7, the detachable installation of the inner chamfering cutter head 8 and the outer chamfering cutter head 9 is achieved, which facilitates the replacement of the inner chamfering cutter head 8 and the outer chamfering cutter head 9.

[0030] Embodiment 2:

[0031] Based on Example 1, Figure 3-4As shown, the magnetic core clamping assembly 3 includes a positioning block 301 and a power telescopic rod 302 which are bolted side by side to the upper surface of the base plate 1; the power telescopic rod 302 is a conventional air cylinder in this field, and a conventional electric push rod in this field can also be selected; of course, the power telescopic rod 302 can also adopt a linear drive structure matched with a motor, a guide rail and a push rod, and the pushing stroke can be accurately controlled under the drive of the motor; an edge of the positioning block 301 close to the power telescopic rod 302 has an arc-shaped receiving opening 303; a push-pull block 304 is fixed to the output end of the power telescopic rod 302; the push-pull block 304 is arranged between the positioning block 301 and the power telescopic rod 302; the push-pull block 304 is close to the positioning block An arc-shaped elastic sheet 305 matching the arc-shaped receiving opening 303 is fixed on one edge of the positioning block 301; an edge of the push-pull block 304 close to the positioning block 301 has an arc-shaped recess; the arc-shaped elastic sheet 305 is bolted into the arc-shaped recess; the arc-shaped elastic sheet 305 is made of conventional polyurethane in this field; a positioning gap for the magnetic core is formed between the arc-shaped elastic sheet 305 and the arc-shaped receiving opening 303; accommodating notches 501 corresponding to the positioning block 301 and the push-pull block 304 are provided on both opposite sides of the bottom of the protective cover 5; one accommodating notch 501 can be slidably matched with the positioning block 301; the other accommodating notch 501 can be slidably matched with the push-pull block 304. When in use, the magnetic core is placed horizontally between the arc-shaped elastic sheet 305 and the arc-shaped receiving opening 303, and the power telescopic rod 302 is used to drive the push-pull block 304 to move, so that the arc-shaped elastic sheet 305 is close to the magnetic core, and finally the magnetic core is clamped between the arc-shaped elastic sheet 305 and the arc-shaped receiving opening 303, thereby achieving the clamping and positioning of the magnetic core, and effectively ensuring the chamfering efficiency of the magnetic core; when the protective cover 5 moves downward, one accommodating notch 501 slides with the positioning block 301; the other accommodating notch 501 slides with the push-pull block 304, thereby ensuring the protective effect and sealing effect of the protective cover 5.

[0032] Embodiment three:

[0033] Based on Example 2, Figure 3 As shown, the negative pressure extraction assembly 2 includes a mounting plate 201 connected to the bottom plate 1 by horizontal bolts; a square block 202 is fixedly inserted on the mounting plate 201; a groove 203 connected to the ventilation hole 101 is provided on the upper surface of the square block 202; a conventional negative pressure pump 204 in the art is vertically fixed on the lower surface of the square block 202; the air extraction end of the negative pressure pump 204 is connected to the groove 203; and a plurality of strip holes 502 are vertically provided on the opposite side walls of the protective cover 5. When in use, after the bottom of the protective cover 5 contacts the bottom plate 1, the negative pressure is generated inside the protective cover 5 by the operation of the negative pressure pump 204, so that the debris inside the protective cover 5 is pumped away by the negative pressure pump 204 through the ventilation hole 101 and the groove 203, thereby avoiding the debris from affecting the magnetic core during the chamfering process of the magnetic core, and effectively ensuring the chamfering effect of the magnetic core.

[0034] Embodiment 4:

[0035] Based on Example 3 Figure 3 As shown, a photoelectric sensor 10 corresponding to the magnetic core clamping assembly 3 is installed on the side of the bottom plate 1; the photoelectric sensor 10 is used to detect whether the magnetic core is damaged; the photoelectric sensor 10 is electrically connected to the controller; the photoelectric sensor 10 is a conventional element in the art, and includes a transmitter and a receiver; the transmitter and the receiver are respectively arranged at the opposite sides of the bottom plate 1. When in use, after the magnetic core is placed on the magnetic core clamping assembly 3, the magnetic core is detected by the photoelectric sensor 10. If the magnetic core is before or after the chamfering treatment, the photoelectric sensor responds and feeds back to the controller, which can facilitate workers to understand the processing quality of the magnetic core in a timely manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A magnetic core chamfering device, characterized in that: It comprises a horizontally arranged bottom plate (1); a plurality of ventilation holes (101) are arranged side by side on the upper surface of the bottom plate (1); and a negative pressure extraction assembly (2) corresponding to the ventilation holes (101) is arranged below the bottom plate (1); The upper surface of the base plate (1) is provided with a magnetic core clamping assembly (3) corresponding to the negative pressure extraction assembly (2); a lifting assembly (4) is vertically provided on one side of the magnetic core clamping assembly (3); a protective cover (5) with an open bottom structure is connected to the lifting assembly (4); a driving motor (6) corresponding to the magnetic core clamping assembly (3) is vertically inserted through the top of the protective cover (5); a transmission disc (7) is horizontally fixed to the output shaft of the driving motor (6); the transmission disc (7) is arranged on the inner side of the protective cover (5); an inner chamfering cutter head (8) and an outer chamfering cutter head (9) are vertically connected to the lower surface of the transmission disc (7).

2. A magnetic core chamfering device according to claim 1, characterized in that: The negative pressure extraction component (2) comprises a mounting plate (201) fixed horizontally below the base plate (1); a square block (202) is fixedly inserted into the mounting plate (201); a groove (203) connected to the ventilation hole (101) is provided on the upper surface of the square block (202); a negative pressure pump (204) is vertically fixed on the lower surface of the square block (202); and an air extraction end of the negative pressure pump (204) is connected to the groove (203).

3. A magnetic core chamfering device according to claim 1 or 2, characterized in that: The magnetic core clamping assembly (3) comprises a positioning block (301) and a power telescopic rod (302) fixed side by side on the upper surface of the bottom plate (1); an edge of the positioning block (301) close to the power telescopic rod (302) has an arc-shaped receiving opening (303); a push-pull block (304) is fixed to the output end of the power telescopic rod (302); the push-pull block (304) is arranged between the positioning block (301) and the power telescopic rod (302); an arc-shaped elastic sheet (305) matching the arc-shaped receiving opening (303) is fixed to an edge of the push-pull block (304) close to the positioning block (301); a positioning gap for the magnetic core is formed between the arc-shaped elastic sheet (305) and the arc-shaped receiving opening (303).

4. A magnetic core chamfering device according to claim 3, characterized in that: The lifting assembly (4) comprises a bracket (401) vertically fixed to the upper surface of the base plate (1); a guide rail (402) is vertically fixed on the bracket (401); the upper end of the guide rail (402) is vertically connected to a linear motor (403); the output end of the linear motor (403) is connected to a slider (404); the slider (404) is slidably connected to the guide rail (402); support rods (405) are vertically fixed to the opposite side surfaces of the slider (404); the lower ends of the two support rods (405) are respectively fixed to the opposite side walls of the protective cover (5); the tail end of the drive motor (6) is fixedly inserted and arranged on the slider (404).

5. A magnetic core chamfering device according to claim 3, characterized in that: The bottom of the protective cover (5) is provided with accommodating notches (501) corresponding to the positioning block (301) and the push-pull block (304) on both opposite sides; one of the accommodating notches (501) can be slidably matched with the positioning block (301); and the other of the accommodating notches (501) can be slidably matched with the push-pull block (304).

6. A magnetic core chamfering device according to claim 5, characterized in that: The opposite side walls of the protective cover (5) are each vertically provided with a plurality of strip-shaped holes (502).

7. A magnetic core chamfering device according to claim 5 or 6, characterized in that: The lower surface of the transmission disc (7) is provided with a first accommodating opening (701) and a second accommodating opening (702); the upper end of the inner chamfering cutter head (8) is gap-fitted into the first accommodating opening (701); the upper end of the outer chamfering cutter head (9) is gap-fitted into the second accommodating opening (702); a first stud (703) is inserted into a side wall of the first accommodating opening (701); one end of the first stud (703) passes through the upper end of the inner chamfering cutter head (8); the other end of the first stud (703) passes through the transmission disc (7); a second stud (704) is inserted into a side wall of the second accommodating opening (702); one end of the second stud (704) passes through the upper end of the outer chamfering cutter head (9); the other end of the second stud (704) passes through the transmission disc (7).

8. A magnetic core chamfering device according to claim 7, characterized in that: A photoelectric sensor (10) corresponding to the magnetic core clamping assembly (3) is installed on the side of the bottom plate (1); the photoelectric sensor (10) is used to detect whether the magnetic core is damaged.

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