Common-mode filter magnetic core opposite grinding device

Abstract

The utility model discloses a common mode filter magnetic core opposite grinding device which comprises a supporting frame, a first magnet, a second magnet and an opposite grinding structure installed on the supporting frame. The opposite grinding structure comprises a containing groove, the containing groove is formed in the left side of the inner wall of the supporting frame and used for containing a first magnet, and the left end of the containing groove is of an opening structure. A fixing rod is pushed through a rotating disc and second grinding teeth installed on the outer wall of the rotating disc, a containing frame drives the contact position between a second magnet and a first magnet to be ground, and after the second grinding teeth are separated from the first grinding teeth, the containing frame is pushed to ascend to drive the first magnet and the second magnet to be ground again under the thrust influence of an elastic spring; and meanwhile, adjustment can be conducted according to the magnets of different lengths, and the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core grinding, in particular to a common mode filter magnetic core grinding device. Background Art

[0002] Common mode filters usually use ferrite cores and are wound in parallel with two wires. Low differential mode noise signals suppress interference sources and are difficult to deform in high-speed signals. They have good noise suppression measures, high common mode noise suppression and low differential mode noise signal suppression.

[0003] Ferrite core, bifilar winding. Low differential mode noise signal suppresses interference source, difficult to deform in high-speed signal. Excellent noise suppression countermeasures, high common mode noise suppression and low differential mode noise signal suppression.

[0004] The existing patent authorization announcement number is: CN206849683U, which discloses a common mode filter core grinding device, including a workbench with a concave cross-section and a plum blossom cam, the first cylinder and the second cylinder are respectively provided on both sides of the groove of the workbench, the front ports of the piston rods of the first cylinder and the second cylinder are fixedly connected with PVC rubber heads, the first cylinder is detachably connected with a fixed block, the second cylinder is detachably connected with a fixed column, the second cylinder is installed at the front end of the fixed column, the middle bottom of the fixed column is hinged with a support column, the rear end side of the fixed column is provided with a bearing, the rear end of the fixed column is fixedly connected with a reset spring, the other end of the reset spring is fixedly connected with a spring fixed block, the reset spring is located in front of the bearing, the plum blossom cam cooperates with the bearing to form a cam mechanism, and the plum blossom cam is transmission-connected with a motor. Compared with the prior art, the utility model has the characteristics of higher efficiency, saving manpower and thus saving costs.

[0005] When the above-mentioned problems exist, the two sets of magnetic cores are linearly ground in opposite directions, which has a certain impact and causes damage to the magnetic cores, thus affecting the service life of the magnetic cores. At the same time, the contact area and time of the opposite grinding are relatively low, which affects the grinding efficiency.

[0006] Therefore, we invented a common mode filter core grinding device.

[0007] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a common mode filter core grinding device. Utility Model Content

[0008] The utility model aims to provide a common mode filter magnetic core grinding device.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] The utility model discloses a common mode filter core grinding device, comprising: a support frame and a first magnet and a second magnet, and also comprises a grinding structure installed on the support frame;

[0011] The grinding structure comprises:

[0012] A placement slot, which is opened on the left side of the inner wall of the support frame and is used to place magnet one. The left end of the placement slot is set as an open structure. An L-shaped frame is fixedly installed on the left end of the placement slot. A first fixing rod is fixedly installed on the L-shaped frame. A stop block is fixedly installed on the inner side of the first fixing rod.

[0013] Furthermore, a telescopic rod 1 is fixedly installed on one end of the support frame away from the placement slot, and an output end of the telescopic rod 1 is fixedly connected to a moving frame, and an outer wall of the moving frame is slidably connected to an inner wall of the support frame.

[0014] Furthermore, a placement frame is provided on the inner side of the movable frame, and the inner side of the placement frame is used for placing the second magnet.

[0015] Furthermore, the top and bottom ends of the placement frame are fixedly connected with sliding rod 1 and sliding rod 2 respectively, and the top and bottom ends of the moving frame are provided with penetrating sliding holes, and the outer walls of sliding rod 1 and sliding rod 2 are respectively slidably connected with the inner walls of the sliding holes opened at the top and bottom of the moving frame.

[0016] Furthermore, an outer wall of the sliding rod 2 is slidably connected with an elastic spring, and the top end of the elastic spring is fixedly connected to the bottom end of the placement frame.

[0017] Furthermore, the top end of the sliding rod 1 is fixedly connected to a second fixing rod, and the inner side of the second fixing rod is evenly distributed with teeth 1.

[0018] Furthermore, a fixing frame is provided on one side of the second fixing rod, the bottom end of the fixing frame is fixedly connected to the top end of the movable frame, a motor is fixedly installed on one side of the fixing frame, a turntable is fixedly connected to the output end of the motor, and a second tooth is distributed on one side of the outer wall of the turntable, and the second tooth is meshingly connected with the first tooth.

[0019] Furthermore, a guide block is fixedly connected to the right side of the placement frame, a vertical guide groove is opened on the right side of the inner wall of the movable frame, and the inner wall of the guide groove is slidably connected to the outer wall of the guide block.

[0020] In the above technical solution, the common mode filter core grinding device provided by the utility model has the following beneficial effects:

[0021] After controlling the telescopic rod 1 to push the moving frame so that the second magnet contacts the first magnet, the motor is turned on, and the fixed rod and the placement frame are pushed through the turntable and the second tooth installed on the outer wall thereof to drive the contact position between the second magnet and the first magnet to be polished. When the second tooth is separated from the first tooth, the placement frame is pushed up by the thrust of the elastic spring to drive the first magnet and the second magnet to be polished again. The grinding is repeated in a reciprocating cycle to improve efficiency. At the same time, it can be adjusted according to magnets of different lengths to expand the scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 A front view of a common mode filter core grinding device provided by an embodiment of the utility model;

[0024] Figure 2 A top view of a common mode filter core grinding device provided by an embodiment of the utility model;

[0025] Figure 3 A common mode filter core grinding device provided by the embodiment of the utility model Figure 2 Cross-sectional view of the middle BB area;

[0026] Figure 4 A front view of a moving frame of a common mode filter core grinding device provided by an embodiment of the utility model.

[0027] In the figure: support frame 1, placement slot 2, magnet 1 3, L-shaped frame 4, first fixing rod 5, stop block 6, opening 7, telescopic rod 1 8, moving frame 9, placement frame 10, magnet 2 11, slide rod 1 12, slide rod 2 13, elastic spring 14, sliding hole 15, second fixing rod 16, gear 1 17, fixing frame 18, motor 19, turntable 21, gear 2 22, guide slot 23, guide block 24. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] Embodiment 1:

[0030] The utility model provides a common mode filter core grinding device, please refer to Figures 1 to 4 , a support frame 1 and a magnet 1 3 and a magnet 2 11, and also includes a grinding structure installed on the support frame 1;

[0031] The grinding structure includes:

[0032] A placement slot 2 is provided, which is opened on the left side of the inner wall of the support frame 1 and is used to place a magnet 3. The left end of the placement slot 2 is set as an open structure. An L-shaped frame 4 is fixedly installed on the left end of the placement slot 2. A first fixing rod 5 is fixedly installed on the L-shaped frame 4. A stop block 6 is fixedly installed on the inner side of the first fixing rod 5.

[0033] A telescopic rod 8 is fixedly installed at one end of the support frame 1 away from the placement slot 2, and a moving frame 9 is fixedly connected to the output end of the telescopic rod 8. The outer wall of the moving frame 9 is slidably connected to the inner wall of the support frame 1.

[0034] A placement frame 10 is provided on the inner side of the moving frame 9 , and a second magnet 11 is placed on the inner side of the placement frame 10 .

[0035] The top and bottom ends of the placement frame 10 are fixedly connected with a slide rod 12 and a slide rod 2 13 respectively. The top and bottom ends of the moving frame 9 are provided with a penetrating slide hole 15. The outer walls of the slide rod 12 and the slide rod 2 13 are slidably connected to the inner walls of the slide hole 15 opened at the top and bottom of the moving frame 9 respectively.

[0036] The outer wall of the sliding rod 13 is slidably connected with an elastic spring 14 , and the top end of the elastic spring 14 is fixedly connected to the bottom end of the placement frame 10 .

[0037] The top end of the sliding rod 12 is fixedly connected to a second fixing rod 16 , and teeth 17 are evenly distributed on the inner side of the second fixing rod 16 .

[0038] A fixing frame 18 is provided on one side of the second fixing rod 16, and the bottom end of the fixing frame 18 is fixedly connected to the top end of the moving frame 9. A motor 19 is fixedly installed on one side of the fixing frame 18, and a turntable 21 is fixedly connected to the output end of the motor 19. A second tooth 22 is distributed on one side of the outer wall of the turntable 21, and the second tooth 22 is meshed with the first tooth 17.

[0039] During specific use, magnet 13 is installed in the placement groove 2 opened on the left side of the support frame 1, the left side of magnet 13 contacts the inner side of the stop block 6, magnet 2 11 is placed in the placement frame 10, and the telescopic rod 18 is controlled to push the movable frame 9 to move inward, so that magnet 2 11 contacts magnet 13, and then the motor 19 is turned on. The motor drives the turntable 21 and the gear 2 22 installed on its outer wall to rotate, and the meshing connection between the gear 22 and the gear 17 pushes the second fixed rod 16 to descend. The second fixed rod 16 drives magnet 2 11 to descend through the placement frame 10, and grinds the contact position between magnet 1 3. When the gear 22 is separated from the gear 17, it is affected by the thrust of the elastic spring 14, and the placement frame 10 is pushed up to drive magnet 1 3 and magnet 2 11 to grind again. The grinding is repeated in a reciprocating cycle to improve efficiency.

[0040] Embodiment 2:

[0041] The utility model provides a common mode filter core grinding device, please refer to Figures 1 to 4 A guide block 24 is fixedly connected to the right side of the placement frame 10 , and a vertical guide groove 23 is opened on the right side of the inner wall of the moving frame 9 , and the inner wall of the guide groove 23 is slidably connected to the outer wall of the guide block 24 .

[0042] During specific use, magnet 13 is installed in the placement groove 2 opened on the left side of the support frame 1, the left side of magnet 13 contacts the inner side of the stop block 6, magnet 2 11 is placed in the placement frame 10, and the telescopic rod 18 is controlled to push the movable frame 9 to move inward, so that magnet 2 11 contacts magnet 13, and then the motor 19 is turned on. The motor drives the turntable 21 and the gear 2 22 installed on its outer wall to rotate, and the meshing connection between the gear 22 and the gear 17 pushes the second fixed rod 16 to descend. The second fixed rod 16 drives magnet 2 11 to descend through the placement frame 10, and grinds the contact position between magnet 1 3. When the gear 22 is separated from the gear 17, it is affected by the thrust of the elastic spring 14, and the placement frame 10 is pushed up to drive magnet 1 3 and magnet 2 11 to grind again. The grinding is repeated in a reciprocating cycle to improve efficiency.

[0043] Embodiment three:

[0044] The utility model provides a common mode filter core grinding device, please refer to Figures 1 to 4 An opening 7 is provided on the left side of the front end of the support frame 1 .

[0045] During specific use, magnet 13 is installed in the placement groove 2 opened on the left side of the support frame 1, the left side of magnet 13 contacts the inner side of the stop block 6, magnet 2 11 is placed in the placement frame 10, and the telescopic rod 18 is controlled to push the movable frame 9 to move inward, so that magnet 2 11 contacts magnet 13, and then the motor 19 is turned on. The motor drives the turntable 21 and the gear 2 22 installed on its outer wall to rotate, and the meshing connection between the gear 22 and the gear 17 pushes the second fixed rod 16 to descend. The second fixed rod 16 drives magnet 2 11 to descend through the placement frame 10, and grinds the contact position between magnet 1 3. When the gear 22 is separated from the gear 17, it is affected by the thrust of the elastic spring 14, and the placement frame 10 is pushed up to drive magnet 1 3 and magnet 2 11 to grind again. The grinding is repeated in a reciprocating cycle to improve efficiency.

[0046] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A common mode filter core grinding device, comprising: The support frame (1) and the first magnet (3) and the second magnet (11) are characterized in that: they also include a grinding structure installed on the support frame (1); The grinding structure comprises: A placement groove (2), the placement groove (2) is opened on the left side of the inner wall of the support frame (1), and is used to place a magnet (3). The left end of the placement groove (2) is set as an open structure. An L-shaped frame (4) is fixedly installed on the left end of the placement groove (2). A first fixing rod (5) is fixedly installed on the L-shaped frame (4). A stop block (6) is fixedly installed on the inner side of the first fixing rod (5).

2. A common mode filter core grinding device according to claim 1, characterized in that: A telescopic rod (8) is fixedly mounted on one end of the support frame (1) away from the placement slot (2); an output end of the telescopic rod (8) is fixedly connected to a moving frame (9); an outer wall of the moving frame (9) is slidably connected to an inner wall of the support frame (1).

3. A common mode filter core grinding device according to claim 2, characterized in that: A placement frame (10) is provided on the inner side of the movable frame (9), and the inner side of the placement frame (10) is used for placing a second magnet (11).

4. A common mode filter core grinding device according to claim 3, characterized in that: The top and bottom ends of the placement frame (10) are respectively fixedly connected with a slide rod 1 (12) and a slide rod 2 (13); the top and bottom ends of the moving frame (9) are both provided with a penetrating slide hole (15); the outer walls of the slide rod 1 (12) and the slide rod 2 (13) are respectively slidably connected with the inner walls of the slide hole (15) at the top and bottom of the moving frame (9).

5. A common mode filter core grinding device according to claim 4, characterized in that: The outer wall of the second sliding rod (13) is slidably connected with an elastic spring (14), and the top end of the elastic spring (14) is fixedly connected to the bottom end of the placement frame (10).

6. A common mode filter core grinding device according to claim 5, characterized in that: The top end of the sliding rod (12) is fixedly connected to a second fixing rod (16), and teeth (17) are evenly distributed on the inner side of the second fixing rod (16).

7. A common mode filter core grinding device according to claim 6, characterized in that: A fixing frame (18) is provided on one side of the second fixing rod (16), the bottom end of the fixing frame (18) is fixedly connected to the top end of the moving frame (9), a motor (19) is fixedly mounted on one side of the fixing frame (18), the output end of the motor (19) is fixedly connected to a rotating disk (21), a second tooth (22) is distributed on one side of the outer wall of the rotating disk (21), and the second tooth (22) is meshingly connected with the first tooth (17).

8. A common mode filter core grinding device according to claim 7, characterized in that: A guide block (24) is fixedly connected to the right side of the placement frame (10), and a vertical guide groove (23) is opened on the right side of the inner wall of the moving frame (9), and the inner wall of the guide groove (23) is slidably connected to the outer wall of the guide block (24).

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