An open type magnetic core screening device

Abstract

The present invention discloses an open type magnetic core screening device, including a workbench, an inductance sorting machine, a vibration plate, a fixing seat and a coil, etc.; an inductance sorting machine for detecting the inductance size of the magnetic core is installed on the workbench; a coil is arranged on the inductance sorting machine; a vibration plate is arranged on the workbench; and a fixing seat is arranged on the workbench. The present invention realizes that the coil is driven to change its shape by a winding rod, so that the coil is adjusted according to the size of the magnetic core, and the relative distance between the coil and the magnetic core is controlled to the greatest extent, so as to prevent the magnetic core from reaching magnetic saturation under high magnetic flux density due to improper distance, and ensure the linearity and accuracy of the inductance value measurement. The combined inductance of the coil and the magnetic core is detected by the inductance sorting machine, and the magnetic core is graded according to the size of the inductance to reduce the difference in product inductance of each level, so that there is no need to wind copper wire on each magnetic core, thereby reducing production costs and the labor cost of subsequent removal of the copper wire. This invention is used in the field of magnetic core detection technology.

Description

Technical Field

[0001] The invention belongs to the field of magnetic core detection, and more specifically, relates to an open type magnetic core screening device. Background Art

[0002] Since different circuits have different requirements for the inductance value and current carrying capacity of inductors, the magnetic cores need to be screened according to the inductance size of the magnetic cores. When screening the inductance of the magnetic cores, the coil usually needs to be wound around the magnetic core, but after the detection is completed, the coil needs to be manually removed from the magnetic core, resulting in low detection efficiency and high subsequent manual removal costs. Summary of the invention

[0003] The main purpose of the present invention is to provide an open type magnetic core screening device to improve detection efficiency and reduce manual removal costs.

[0004] According to the first aspect of the present invention, an open-type magnetic core screening device is provided, including a workbench, an inductance sorting machine, a vibration disk, a fixed seat and a coil; an inductance sorting machine for detecting the inductance size of the magnetic core is installed on the workbench; a coil is arranged on the inductance sorting machine; a vibration disk is arranged on the workbench; a fixed seat is arranged on the workbench; it also includes a transfer component, an adjustment component, a fixed rod, a winding rod and a shielding strip; a transfer component for conveying the magnetic core is installed on the fixed seat; a mounting portion is arranged on the workbench; an adjustment component is arranged on the mounting portion; the adjustment component consists of a transverse guide rail, a transverse slider, a longitudinal guide rail and a longitudinal slider; a transverse guide rail is arranged on the mounting portion; a plurality of transverse sliders are slidably connected to the transverse guide rail; a longitudinal slide rail is commonly fixed to two adjacent transverse sliders; a plurality of longitudinal sliders are slidably connected to each longitudinal slide rail; each longitudinal slider is detachably connected to a fixing rod; each fixing rod is arranged with a winding rod; each winding rod is equipped with a shielding strip, and the winding rod and the shielding strip are used for winding the coil.

[0005] According to the open type magnetic core screening device described in the embodiment of the first aspect of the present invention, the limiting block of each winding rod is rotationally connected to the winding rod via a torsion spring.

[0006] According to the open-type magnetic core screening device described in the embodiment of the first aspect of the present invention, the transfer component includes a motor, a turntable and a suction cup; a discharge port is arranged on the left side of the vibration plate; a motor is fixedly connected to the fixed seat; the turntable is fixedly connected to the motor output shaft; a plurality of electric push rods are fixedly connected to the lower side of the turntable; and each telescopic part of the electric push rod is fixedly connected to a plurality of suction cups for sucking the magnetic cores.

[0007] According to the open type magnetic core screening device described in the embodiment of the first aspect of the present invention, it also includes a storage assembly, which includes a mounting seat and a storage tray; a mounting seat is installed on the left side of the fixed seat; a control system is arranged on the mounting seat; and a plurality of storage trays are slidably connected to the mounting seat.

[0008] According to the open-type magnetic core screening device described in the embodiment of the first aspect of the present invention, it also includes an extrusion block; a plurality of extrusion blocks for assisting manual positioning are arranged between each winding rod and the adjacent shielding strip.

[0009] According to the open type magnetic core screening device described in the embodiment of the first aspect of the present invention, the annular surface of each extrusion block is configured as a curved surface.

[0010] According to the first aspect of the present invention, the open-type magnetic core screening device described in the embodiment includes a screw rod and a connecting plate; each winding rod is rotatably connected to a screw rod for adjusting the coil spacing; each screw rod is rotatably connected to a connecting plate for equidistant movement of adjacent extrusion blocks via a bolt, and the connecting plate is slidably connected to the adjacent winding rods; each extrusion block is slidably connected to the adjacent winding rods via two round rods; each extrusion block is provided with a connecting portion; each connecting plate is provided with a plurality of connecting grooves, and each connecting portion slides in the connecting groove.

[0011] According to the open type magnetic core screening device described in the embodiment of the first aspect of the present invention, it also includes a dial; a positioning line is provided on each screw; each winding rod is fixed with a dial for assisting manual adjustment of the extrusion block spacing, and the dial is rotatably connected to the adjacent screw.

[0012] According to the open-type magnetic core screening device described in the embodiment of the first aspect of the present invention, it also includes an airbag, a telescopic tube and a wrapping block; an airbag is connected between two adjacent extrusion blocks by an elastic rope; each airbag is connected to a number of telescopic tubes; each shielding strip is provided with a number of slide grooves; each extrusion block is fixed with a number of connecting tubes, and each connecting tube is connected to the adjacent telescopic tube; each connecting tube is connected to a wrapping block.

[0013] One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:

[0014] This open core screening device drives the coil to change its shape through the winding rod, so that the coil can be adjusted according to the size of the core, and the relative distance between the coil and the core can be controlled to the greatest extent, so as to prevent the core from reaching magnetic saturation under high magnetic flux density due to improper distance, and ensure the linearity and accuracy of inductance measurement;

[0015] This open core screening device detects the combined inductance of the coil and the core through an inductance sorter, and grades the cores according to the size of the inductance to reduce the difference in inductance of each grade of products, thereby eliminating the need to wind copper wire on each core, reducing production costs and the labor cost of subsequent removal of the copper wire;

[0016] This open-type magnetic core screening device squeezes the adjacent shielding strips through the squeezing block, and assists the manual winding of the coil under the raised part of the shielding strip, thereby controlling the spacing between the coils, ensuring that the coil spacing remains consistent, avoiding the inconsistency of the magnetic field distribution caused by the non-uniform coil spacing, and improving the accuracy of magnetic core detection;

[0017] This open core screening device changes the distance between adjacent extrusion blocks by rotating the screw rod, while ensuring that the spacing between adjacent extrusion blocks is the same, thereby adjusting the spacing between the extrusion blocks to meet the spacing requirements of magnetic cores of different sizes to coils, thereby improving the accuracy of the detection results;

[0018] This open-type magnetic core screening device squeezes the airbags between adjacent extrusion blocks through the coil, causing the wrapping block to expand and wrapping the coil to limit the position, thereby preventing the coil from crossing the protrusions on the shielding strip and causing deviation when the coil is manually pulled, avoiding inconsistent spacing between coils and improving the accuracy of the magnetic core detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments;

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the open type magnetic core screening device of the present invention;

[0021] Figure 2 It is a schematic diagram of a three-dimensional structure of a workbench, an inductive sorter and a material storage assembly in an embodiment of the present invention;

[0022] Figure 3 Schematic diagram of the combined three-dimensional structure of the fixing rod and the winding rod in an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of a three-dimensional structure of a winding rod and a shielding strip combination in an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of a three-dimensional structure of a winding rod and an extrusion block combination in an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of a three-dimensional structure of a winding rod and a screw rod combination in an embodiment of the present invention;

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the connecting plate in an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of the three-dimensional structure of the dial in the embodiment of the present invention;

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of the airbag, telescopic tube and wrapping block combination in an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0034] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0035] Reference Figures 1 to 9As shown, an open type magnetic core screening device is provided, such as Figure 1-Figure 5 As shown, it includes a workbench 1, an inductance sorter 2, a vibration plate 101, a fixing seat 102 and a coil 7; the inductance sorter 2 is installed on the workbench 1; the coil 7 is arranged on the inductance sorter 2; the vibration plate 101 is arranged on the workbench 1; the fixing seat 102 is arranged on the workbench 1;

[0036] It also includes a transfer component, an adjustment component, a fixed rod 3, a winding rod 4 and a shielding strip 5; the transfer component is installed on the fixed seat 102; the mounting part 1001 is provided on the workbench 1; the adjustment component is installed on the mounting part 1001; the adjustment component is composed of a transverse guide rail, a transverse slider, a longitudinal guide rail and a longitudinal slider 302; a transverse guide rail is provided on the mounting part 1001; a plurality of transverse sliders are slidably connected to the transverse guide rail; a longitudinal slide rail 301 is fixedly connected to two adjacent transverse sliders; two longitudinal slide rails 302 are slidably connected to each longitudinal slide rail 301; a fixed rod 3 is detachably connected to each longitudinal slider 302; a winding rod 4 is provided on each fixed rod 3; a shielding strip 5 is installed on each winding rod 4; the adjacent fixed rods 3 and the winding rods 4 are driven to move forward and backward by the longitudinal slider 302, and the transverse slide rail is controlled to drive the slider and the longitudinal slide rail 301 to move left and right, thereby changing the layout of the six winding rods 4, so that the coil 7 follows the position of the winding rod 4 to adapt to the deformation.

[0037] The limiting block 4001 of each winding rod 4 is rotationally connected to the winding rod 4 via a torsion spring.

[0038] In some embodiments of the present invention, the transfer assembly includes a motor 103, a turntable 104 and a suction cup 105; a discharge port is provided on the left side of the vibration plate 101; the motor 103 is fixedly connected to the fixed seat 102; the turntable 104 is fixedly connected to the output shaft of the motor 103; a plurality of electric push rods are fixedly connected to the lower side of the turntable 104; and a plurality of suction cups 105 are fixedly connected to the telescopic part of each electric push rod.

[0039] Some embodiments of the present invention further include a material storage component, which includes a mounting seat 201 and a material storage tray 202; the mounting seat 201 is installed on the left side of the fixed seat 102; a control system is provided on the mounting seat 201; three material storage trays 202 are slidably connected to the mounting seat 201, and the material storage trays 202 are controlled by the control system to move forward and backward.

[0040] It also includes an extrusion block 6; a plurality of extrusion blocks 6 are arranged between each winding rod 4 and the adjacent shielding strip 5, and the annular surface of each extrusion block 6 is arranged as a curved surface.

[0041] The working steps of this embodiment are:

[0042] In the first step, an appropriate amount of magnetic core 8 is placed in the vibration disk 101, and then the vibration disk 101 is started to transport the magnetic core 8 to the discharge port of the vibration disk 101, and then the motor 103 is started to drive the turntable 104 and the suction cup 105 to rotate until the suction cup 105 is located above the discharge port of the vibration disk 101, and the driving part is controlled to drive the suction cup 105 to move downward, and then the suction cup 105 is started to absorb the magnetic core 8, and then the driving part is controlled to drive the suction cup 105 and the magnetic core 8 to move upward, and then the motor 103 drives the turntable 104 and the suction cup 105 to rotate to above the mounting part 1001 of the workbench 1.

[0043] At the same time, first, according to the size of the magnetic core 8, the horizontal slider on the workbench 1 is controlled to drive the longitudinal slide rail 301 to slide left and right on the horizontal slide rail, and at the same time, the longitudinal slider 302 is controlled to drive the fixed rod 3 and the winding rod 4 to slide back and forth on the longitudinal slide rail 301, based on the top-down view, until the six winding rods 4 are combined into a shape similar to the outline of the magnetic core 8, and the shape formed by the six winding rods 4 is larger than the size of the magnetic core 8, so as to ensure that the magnetic core 8 can be inserted between the six winding rods 4.

[0044] When the six winding rods 4 are fixed in position, the limit block 4001 on the winding rod 4 is rotated downward, and the flexible coil 7 is manually wound around the six winding rods 4 in sequence. Figure 3 As shown, after the winding is completed, the two ends of the coil 7 are connected to the inductance sorting machine 2, and then the limit block 4001 on the winding rod 4 is rotated upward to limit the coil 7 by the limit block 4001. Then, according to the contour of the magnetic core 8, the horizontal slider and the longitudinal slider 302 on the workbench 1 are controlled to drive the winding rod 4 to move, so that the six winding rods 4 are combined into a shape similar to the contour of the magnetic core 8, so that the coil 7 follows the winding rod 4 to deform, and the relative distance between the coil 7 and the magnetic core 8 is controlled to the greatest extent, so as to prevent the magnetic core 8 from reaching magnetic saturation under high magnetic flux density due to improper distance, thereby ensuring the linearity and accuracy of the inductance value measurement.

[0045] The second step is to start the inductance sorting machine 2. At the same time, the control driving part drives the suction cup 105 and the magnetic core 8 to move downward until the magnetic core 8 is inserted into the center of the coil 7. When the magnetic core 8 enters the interior of the coil 7, the combined inductance of the coil 7 and the magnetic core 8 is detected by the inductance sorting machine 2. The magnetic core 8 is graded according to the size of the inductance to reduce the difference in inductance of each level of products, thereby eliminating the need to wind copper wire on each magnetic core 8, reducing production costs and the labor cost of subsequent removal of the copper wire.

[0046] In the third step, after the inductance sorting machine 2 grades the magnetic core 8 according to the inductance size, the driving part is controlled to drive the suction cup 105 to move upward, and drive the magnetic core 8 away from the center of the coil 7, with the view from top to bottom as the reference. At this time, the motor 103 is controlled to drive the turntable 104 and the suction cup 105 to rotate clockwise, so that the suction cup 105 gradually moves to the side of the storage tray 202. At the same time, according to the inductance size of the magnetic core 8 after detection, the control system on the mounting seat 201 is controlled to drive the storage tray 202 corresponding to the inductance size of the magnetic core 8 to move to the bottom of the suction cup 105, and then the suction cup 105 is closed to make the magnetic core 8 fall into the corresponding storage tray 202, thereby completing the screening of the magnetic core 8 according to the inductance size.

[0047] In the above operation, when the coil 7 is manually wound on the winding rod 4, the adjacent shielding strip 5 is squeezed by the extrusion block 6. Since the shielding strip 5 is made of elastic deformable material, the squeezed part of the shielding strip 5 will bulge outward, so that the shielding strip 5 and the side in contact with the coil 7 will have several bulges. At this time, when the coil 7 is manually wound on the adjacent winding rod 4, the coil 7 can be wound under the bulge, so as to control the spacing between the coils 7, ensure that the spacing between the coils 7 remains consistent, avoid the inconsistency of the magnetic field distribution caused by the non-uniform spacing between the coils 7, and improve the detection accuracy of the magnetic core 8.

[0048] By setting the annular surface of the extrusion block 6 in an arc shape, the friction between the extrusion block 6 and the shielding strip 5 is reduced, thereby preventing the extrusion block 6 from extruding the shielding strip 5 for a long time and causing damage, thereby affecting the normal use of the device.

[0049] In some embodiments of the present invention, Figure 1 , Figure 2 and Figure 6-Figure 9 As shown, it includes a screw rod 401 and a connecting plate 402; each winding rod 4 is rotatably connected to a screw rod 401; each screw rod 401 is rotatably connected to a connecting plate 402 through a bolt, and the connecting plate 402 is slidably connected to the adjacent winding rod 4; each extrusion block 6 is slidably connected to the adjacent winding rod 4 through two round rods; each extrusion block 6 is provided with a connecting portion 6001; each connecting plate 402 is provided with a plurality of connecting grooves 40201, and each connecting portion 6001 slides in the connecting groove 40201.

[0050] Some embodiments of the present invention further include a scale plate 403 ; each screw rod 401 is provided with a positioning line 40101 ; each winding rod 4 is fixedly connected with a scale plate 403 , and the scale plate 403 is rotatably connected to the adjacent screw rod 401 .

[0051] Some embodiments of the present invention further include an airbag 501, a telescopic tube 502 and a wrapping block 503; an airbag 501 is connected between two adjacent extrusion blocks 6 by an elastic rope; each airbag 501 is connected to two telescopic tubes 502 that are symmetrical up and down; each shielding strip 5 is provided with two slide grooves 5001; four connecting tubes are fixedly connected to the inside of each extrusion block 6, and each connecting tube is connected to the adjacent telescopic tube 502; each connecting tube is connected to a wrapping block 503.

[0052] Each wrapping block 503 is configured to be in an arc shape.

[0053] The working steps of this embodiment are:

[0054] In the first step of Example 1: for magnetic cores 8 of different sizes, the requirements for the spacing between coils 7 are also different. For example, a larger magnetic core 8 usually requires a wider spacing between coils 7 to avoid unnecessary mutual inductance effects and ensure a more uniform magnetic field distribution. In order to adjust the spacing between coils 7 according to magnetic cores 8 of different sizes, before manually winding the coil 7 around the winding rod 4, the screw 401 is manually rotated. Since the connecting plate 402 is connected to the screw 401 by bolts, the connecting plate 402 will gradually approach the end of the screw 401 or move away from the end according to the manual rotation direction. In principle, the connecting groove 40201 on the connecting plate 402 will extrude the connecting portion 6001 of the adjacent extrusion blocks 6, and drive the adjacent extrusion blocks 6 to slide up and down on the round rod between the winding rods 4, so that all the extrusion blocks 6 are simultaneously close to or away from the screw rod 401, and while changing the distance between the adjacent extrusion blocks 6, ensure that the spacing between the adjacent extrusion blocks 6 is the same, thereby adjusting the spacing between the extrusion blocks 6 to adapt to the spacing requirements of the coils 7 of the magnetic cores 8 of different sizes, thereby improving the accuracy of the detection results; when the spacing adjustment of the extrusion blocks 6 is completed, the coils 7 are manually wound on the winding rod 4, and the steps in Example 1 are repeated.

[0055] When manually rotating the screw 401, the positioning line 40101 on the screw 401 is aligned with the scale on the dial 403 for more precise rotation to prevent the manual rotation angle from being miscontrolled, resulting in deviations in the spacing between the extrusion blocks 6 between different winding rods 4, resulting in inconsistent mutual inductance of the coils 7, and affecting the detection results of the magnetic core 8.

[0056] At the same time, when the coil 7 is manually wound around the bulge formed by the shielding strip 5 on the winding rod 4, some people pull the coil 7 too hard, causing the coil 7 to go over the bulge and slide to other parts of the shielding strip 5, thereby causing inconsistent spacing between some coils 7, resulting in differences in mutual inductance between the coils 7, affecting the accuracy of the detection results of the magnetic core 8. To solve the above problem, when the coil 7 is manually wound around the bulge formed by the shielding strip 5 on the winding rod 4, the coil 7 will squeeze the shielding strip 5. Since the shielding strip 5 is made of elastic deformable material, The shielding strip 5 between the adjacent extrusion blocks 6 will be concave toward the side of the winding rod 4. At the same time, the coil 7 will squeeze the airbag 501 between the adjacent extrusion blocks 6, so that the gas inside the airbag 501 enters the connecting tube inside the adjacent extrusion block 6 through the telescopic tube 502, and finally enters the wrapping block 503, causing the wrapping block 503 to expand and wrap the coil 7 to limit the position, so as to prevent the coil 7 from crossing the protrusion on the shielding strip 5 and causing deviation when the coil 7 is manually pulled, thereby avoiding inconsistent spacing between the coils 7 and improving the accuracy of the detection results of the magnetic core 8.

[0057] By setting each wrapping block 503 to be in an arc shape, the wrapping block 503 can be more closely fitted to the coil 7 after expansion, thereby improving the wrapping and limiting effect of the wrapping block 503 on the coil 7.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An open-type magnetic core screening device, comprising a workbench (1), an inductance sorter (2), a vibration plate (101), a fixing seat (102) and a coil (7); the workbench (1) is provided with an inductance sorter (2) for detecting the inductance of a magnetic core (8); the inductance sorter (2) is provided with a coil (7); the workbench (1) is provided with a vibration plate (101); the workbench (1) is provided with a fixing seat (102); the device is characterized in that: The invention also comprises a transfer assembly, an adjustment assembly, a fixing rod (3), a winding rod (4) and a shielding strip (5); a transfer assembly for conveying a magnetic core (8) is mounted on the fixing seat (102); a mounting portion (1001) is provided on the workbench (1); an adjustment assembly is mounted on the mounting portion (1001); the adjustment assembly comprises a transverse guide rail, a transverse slider, a longitudinal guide rail and a longitudinal slider (302); a transverse guide rail is provided on the mounting portion (1001); a plurality of transverse sliders are slidably connected to the transverse guide rail; two adjacent transverse sliders are fixedly connected to a longitudinal guide rail (301); a plurality of longitudinal sliders (302) are slidably connected to each longitudinal guide rail (301); each longitudinal slider (302) is detachably connected to a fixing rod (3); each fixing rod (3) is provided with a winding rod ( 4); each winding rod (4) is provided with a shielding strip (5); the winding rod (4) and the shielding strip (5) are used for winding the coil (7), and also include an extrusion block (6); a plurality of extrusion blocks (6) for assisting manual positioning are provided between each winding rod (4) and the adjacent shielding strip (5), and also include an air bag (501), a telescopic tube (502) and a wrapping block (503); an air bag (501) is connected between two adjacent extrusion blocks (6) via an elastic rope; each air bag (501) is connected to a plurality of telescopic tubes (502); each shielding strip (5) is provided with a plurality of slide grooves (5001); a plurality of connecting tubes are fixedly connected inside each extrusion block (6), and each connecting tube is connected to an adjacent telescopic tube (502); each connecting tube is connected to a wrapping block (503).

2. The open type magnetic core screening device according to claim 1, characterized in that: The limiting block (4001) of each winding rod (4) is rotationally connected to the winding rod (4) via a torsion spring.

3. The open type magnetic core screening device according to claim 1, characterized in that: The transfer assembly comprises a motor (103), a turntable (104) and a suction cup (105); a discharge port is arranged on the left side of the vibration plate (101); the motor (103) is fixedly connected to the fixed seat (102); the turntable (104) is fixedly connected to the output shaft of the motor (103); a plurality of electric push rods are fixedly connected to the lower side of the turntable (104); and a plurality of suction cups (105) for sucking the magnetic core (8) are fixedly connected to the telescopic portion of each electric push rod.

4. The open type magnetic core screening device according to claim 1, characterized in that: It also includes a material storage component, which includes a mounting seat (201) and a material storage tray (202); the mounting seat (201) is mounted on the left side of the fixed seat (102); a control system is arranged on the mounting seat (201); and a plurality of material storage trays (202) are slidably connected to the mounting seat (201).

5. The open type magnetic core screening device according to claim 1, characterized in that: The annular surface of each extrusion block (6) is configured as a curved surface.

6. The open type magnetic core screening device according to claim 1, characterized in that: The invention comprises a screw rod (401) and a connecting plate (402); each winding rod (4) is rotatably connected to a screw rod (401) for adjusting the spacing of the coils (7); each screw rod (401) is rotatably connected to a connecting plate (402) for enabling adjacent extrusion blocks (6) to move equidistantly via a bolt, and the connecting plate (402) is slidably connected to the adjacent winding rod (4); each extrusion block (6) is slidably connected to the adjacent winding rod (4) via two round rods; each extrusion block (6) is provided with a connecting portion (6001); each connecting plate (402) is provided with a plurality of connecting grooves (40201), and each connecting portion (6001) slides in the connecting groove (40201).

7. The open type magnetic core screening device according to claim 6, characterized in that: It also includes a scale plate (403); each screw rod (401) is provided with a positioning line (40101); each winding rod (4) is fixedly connected with a scale plate (403) for assisting manual adjustment of the spacing between the extrusion blocks (6), and the scale plate (403) is rotatably connected to the adjacent screw rod (401).

8. The open type magnetic core screening device according to claim 1, characterized in that: Each wrapping block (503) is configured to be in an arc shape.

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