A soft ferrite core inspection device

Abstract

The present invention relates to the technical field of soft ferrite core inspection equipment. The present invention discloses a soft ferrite core inspection device, including a base plate, the base plate is arranged on a horizontal plane, a core clamping device is arranged on one side of the top of the base plate, a width measuring assembly is arranged on the side of the top of the base plate away from the core clamping device, a driving measuring device is arranged on the side of the core clamping device away from the width measuring assembly, a plurality of liquid conversion devices are arranged equidistantly on the top of the driving measuring device, a measuring cylinder is arranged on the top of the base plate and the measuring cylinder is located directly below the plurality of liquid conversion devices, and a reset device is arranged on the side of the width measuring assembly away from the core clamping device; the present invention realizes synchronous measurement of the width of the middle winding column and the winding openings on both sides of the soft ferrite core, and the measured data is displayed more intuitively for the inspection personnel to record.

Description

Technical Field

[0001] The invention relates to the technical field of soft ferrite core testing equipment, in particular to a soft ferrite core testing device. Background Art

[0002] Soft ferrite is a ferromagnetic oxide with ferric oxide as the main component, which is produced by powder metallurgy. The characteristics of soft ferrite are: low saturation flux density, low magnetic permeability, low Curie temperature, low medium and high frequency loss, low cost, and it is widely used in filters, tuned filters, load coils, impedance matching transformers, proximity sensors, transformers, etc. The common soft ferrite core is E-type, with a simple shape and a large effective area of ​​the core. In the process of manufacturing E-type soft ferrite cores, it is often necessary to inspect the width of the middle winding column and the size of the winding opening between the winding column and the two side columns. The traditional measurement method often requires separate manual measurement of the middle winding column and the two side winding openings, which is time-consuming, labor-intensive and troublesome. There is a lack of a device that can synchronously measure the width of the middle winding column and the two side winding openings of the soft ferrite core, and the measured data is more intuitively displayed for easy recording by the inspection personnel. Summary of the invention

[0003] The purpose of the present invention is to provide a soft ferrite core inspection device to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: including a base plate, the base plate is arranged on a horizontal plane, a core clamping device is provided on one side of the top of the base plate, a width measuring assembly is provided on the side of the top of the base plate away from the core clamping device, a driving measuring device is provided on the side of the core clamping device away from the width measuring assembly, a plurality of liquid conversion devices are equidistantly provided on the top of the driving measuring device, a measuring cylinder is provided on the top of the base plate and the measuring cylinder is located directly below the plurality of liquid conversion devices, and a reset device is provided on the side of the width measuring assembly away from the core clamping device.

[0004] Preferably, the magnetic core clamping device includes a clamping box, a driving motor, a pulley, a transmission belt, a driving screw and a clamping block, the clamping box is arranged on the top of the base plate and is horizontally slidably connected to the top of the base plate, the driving screw is horizontally and rotatably arranged inside the clamping box, the driving screw extends from the middle to both ends with threads with opposite rotation directions, and two clamping blocks are provided, the two clamping blocks are symmetrically arranged at the two ends of the driving screw, one end of the two clamping blocks is respectively threadedly connected to the two ends of the driving screw, the clamping ends of the two clamping blocks pass through the side ends of the clamping box and are located outside the clamping box, and the clamping blocks are horizontally slidably connected to the side ends of the clamping box, the driving motor is arranged at the top end inside the clamping box, the two pulleys are provided, the two pulleys are respectively arranged at the output end of the driving motor and the middle of the driving screw, and the transmission belt is sleeved on the two pulleys.

[0005] Preferably, the width measuring assembly includes a measuring frame and a measuring rod, the measuring frame is horizontally arranged on the top of the base plate and located on one side of the clamping box, and a plurality of measuring rods are provided, the plurality of measuring rods are arranged side by side and one end of the plurality of measuring rods passes through the side end of the measuring frame and is horizontally slidably connected thereto, and the two ends of the plurality of measuring rods are aligned.

[0006] Preferably, the driving and measuring device includes an electric push rod and a connecting plate, the electric push rod is horizontally arranged on the top of the base plate and is located at the end of the clamping box away from the measuring frame, the output end of the electric push rod is facing the direction of the clamping box, the connecting plate is arranged on the top of the base plate and is slidably connected to the top of the base plate in the horizontal direction, one side of the connecting plate is connected to the output end of the electric push rod, and the other side of the connecting plate is connected to the side end of the clamping box.

[0007] Preferably, the liquid conversion device comprises a sliding frame, a connecting rod, a sliding block, a water storage cylinder, a water storage cylinder, a baffle plate, a mounting plate and a drain pipe, the sliding frame is horizontally arranged directly above the measuring rod, the side ends of the sliding frames in adjacent liquid conversion devices are connected to each other, and the sliding frames in the two outermost liquid conversion devices are connected to the top of the base plate through a connecting piece, the sliding block is arranged on the sliding frame and is slidably connected thereto in a horizontal direction, the bottom of the sliding block is connected to an end of the measuring rod close to the clamping box by a connecting rod, the water storage cylinder is vertically arranged on the end of the sliding frame away from the clamping box, a water storage cylinder is provided at the bottom of one end of the sliding block, and the top of the water storage cylinder corresponds to the bottom position of the water storage cylinder and is connected to each other, the upper and lower ends of the water storage cylinder are through-arranged, the baffle plate is arranged at the bottom of the sliding frame and blocks the through opening at the bottom end of the water storage cylinder, the mounting plate is horizontally arranged at the bottom of the baffle plate, the drain pipe vertically passes through the mounting plate, the drain pipe is located on the side of the water storage cylinder away from the clamping box, and the upper and lower ends of the drain pipe are through-arranged.

[0008] Preferably, a sealing gasket is provided at the area where the shielding plate contacts the bottom of the water storage cylinder, and a water inlet is provided at the top of the water storage cylinder.

[0009] Preferably, measuring cavities are provided in the middle and both ends of the top of the measuring tube, and the top of the measuring cavity is through-set, the measuring tube is detachably mounted on the top of the base plate, the measuring cavity is located directly below a number of drain pipes, the measuring tube is transparent and has measuring scales on the side ends.

[0010] Preferably, the reset device includes a reset plate, a first toothed rod, a second toothed rod, a connecting frame, a first gear and a second gear, the reset plate is arranged at one end of a plurality of measuring rods away from the clamping box and contacts the side end thereof, the bottom of the reset plate is horizontally slidably connected to the top of the base plate, the first toothed rod is horizontally arranged at the side end of the connecting plate, the second toothed rod is horizontally arranged at the side end of the reset plate and the second toothed rod is located above the first toothed rod, the connecting frame is arranged at the top of the base plate, the first gear and the second gear are rotatably arranged at the side end of the connecting frame and the two are meshed with each other, the first gear is meshed with the first toothed rod, and the second gear is meshed with the second toothed rod.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the present invention, when it is necessary to synchronously measure the width of the middle winding column and the winding openings on both sides of the soft ferrite core, the electric push rod is first controlled to drive the connecting plate to move in the direction of the measuring rod, and then the E-type soft ferrite core in the clamped state is driven to slide in the direction of several measuring rods. While sliding, several measuring rods that are pushed by the raised parts of the E-type soft ferrite core slide on the measuring frame in the direction away from the clamping box. Three protrusions are provided on the E-type soft ferrite core. The protrusion in the middle is the middle winding column of the E-type soft ferrite core. The recessed parts between adjacent protrusions correspond to the winding openings on both sides, and the three measuring cavities on the top of the measuring cylinder respectively correspond to the three protrusions of the E-type soft ferrite core. When the corresponding measuring rod slides under the driving force, the corresponding sliding block is driven to slide synchronously on the sliding frame, so that the water storage cylinder moves away from the baffle plate and slides in the direction of the drain pipe, so that the water filled in the water storage cylinder is poured into the measuring block on the corresponding measuring cylinder through the drain pipe. The measuring cavity is in the measuring cavity, and the sliding block seals the bottom of the water storage cylinder. Since the number of measuring rods is large and relatively dense, and a certain amount of water enters the measuring cavity each time from the water storage cylinder, the width of the middle winding column of the E-type soft ferrite core can be obtained by observing the liquid level of the water inside the measuring cavity in the middle and comparing it with the measuring scale. By comparing the liquid level of the water inside the measuring cavity at both ends of the measuring cylinder, if the two heights are consistent, it means that the widths of the protrusions at both ends of the E-type soft ferrite core are consistent, and then it is concluded that the widths of the winding openings on both sides of the E-type soft ferrite core are consistent. If the two heights are inconsistent, it is judged that there is a difference in the widths of the winding openings on both sides of the E-type soft ferrite core, and then it is concluded that the E-type soft ferrite core is unqualified, thereby achieving the effect of synchronously measuring the widths of the middle winding column and the winding openings on both sides of the soft ferrite core, and the measured data is more intuitively displayed for the convenience of recording by the inspection personnel.

[0013] In the present invention, before testing the E-type soft ferrite core, it is first necessary to clamp and fix the E-type soft ferrite core. First, the E-type soft ferrite core is horizontally placed on a base plate with the flat side of the E-type soft ferrite core between two clamping blocks. Then, the drive motor is controlled to rotate under the transmission of a pulley and a transmission belt. Since the threads at both ends of the drive screw rotate in opposite directions, the two clamping blocks are driven to move synchronously toward the opposite side, thereby achieving clamping and fixing of the two sides of the E-type soft ferrite core to facilitate subsequent testing.

[0014] In the present invention, when the E-type soft ferrite core is controlled by the electric push rod to slide in the direction of the measuring rod for detection, the connecting plate moves synchronously to drive the first toothed rod to slide, and under the transmission of the first gear and the second gear, the second toothed rod is driven to slide synchronously and in the same direction as the first toothed rod, so that the reset plate moves synchronously and away from the E-type soft ferrite core. When the detection is completed, the plurality of measuring rods are in an uneven state, and the electric push rod is controlled to drive the connecting plate and the E-type soft ferrite core to reset, and at this time, the reset plate is driven to reset to the initial position, thereby driving the plurality of measuring rods to reset to the initial state with both ends in an aligned state, so as to facilitate the next detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0016] Figure 2 A top view of the magnetic core clamping device and the E-type soft ferrite magnetic core of the present invention;

[0017] Figure 3 is a cross-sectional view of the magnetic core clamping device of the present invention;

[0018] Figure 4 It is a schematic diagram of the local structure of the present invention;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the width measurement component in the present invention;

[0020] Figure 6 It is a schematic diagram of the exploded structure of the width measurement component in the present invention;

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the magnetic core clamping device and the resetting device in the present invention;

[0022] Figure 8 It is a schematic diagram of the three-dimensional structure of the liquid conversion device and the magnetic core clamping device in the present invention;

[0023] Fig. 9 It is a schematic diagram of the three-dimensional structure of the measuring tube in the present invention;

[0024] Fig.10 It is a three-dimensional structural schematic diagram of the liquid conversion device and the measuring rod in the present invention;

[0025] Fig.11 for Fig.10 Enlarged view of point A in the middle.

[0026] In the figure: 1. base plate; 2. magnetic core clamping device; 21. clamping box; 22. driving motor; 23. pulley; 24. transmission belt; 25. driving screw; 26. clamping block; 3. width measuring assembly; 31. measuring frame; 32. measuring rod; 4. driving measuring device; 41. electric push rod; 42. connecting plate; 5. liquid conversion device; 51. sliding frame; 52. connecting rod; 53. sliding block; 54. water storage cylinder; 55. water storage cylinder; 56. shielding plate; 57. mounting plate; 58. drain pipe; 6. measuring cylinder; 61. measuring cavity; 62. measuring scale; 7. reset device; 71. reset plate; 72. first toothed rod; 73. second toothed rod; 74. connecting frame; 75. first gear; 76. second gear. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figures 1 to 11 The present invention provides a technical solution: it includes a base plate 1, the base plate 1 is arranged on a horizontal plane, a magnetic core clamping device 2 is provided on one side of the top of the base plate 1, a width measuring component 3 is provided on the side of the top of the base plate 1 away from the magnetic core clamping device 2, a driving measuring device 4 is provided on the side of the magnetic core clamping device 2 away from the width measuring component 3, a plurality of liquid conversion devices 5 are equidistantly provided on the top of the driving measuring device 4, a measuring cylinder 6 is provided on the top of the base plate 1 and the measuring cylinder 6 is located directly below the plurality of liquid conversion devices 5, and a resetting device 7 is provided on the side of the width measuring component 3 away from the magnetic core clamping device 2.

[0029] In this embodiment, Figures 2 to 3As shown, the magnetic core clamping device 2 includes a clamping box 21, a driving motor 22, a pulley 23, a transmission belt 24, a driving screw 25 and a clamping block 26. The clamping box 21 is arranged on the top of the base plate 1 and is horizontally slidably connected to the top of the base plate 1. The driving screw 25 is horizontally and rotatably arranged inside the clamping box 21. The driving screw 25 extends from the middle to both ends with threads in opposite rotation directions. Two clamping blocks 26 are provided, and the two clamping blocks 26 are symmetrically arranged on both sides of the driving screw 25. The two ends of the two clamping blocks 26 are respectively threadedly connected with the two ends of the driving screw rod 25, and the clamping ends of the two clamping blocks 26 pass through the side ends of the clamping box 21 and are located outside the clamping box 21, and the clamping blocks 26 are horizontally slidably connected with the side ends of the clamping box 21. The driving motor 22 is arranged at the top end inside the clamping box 21, and the pulleys 23 are provided with two, and the two pulleys 23 are respectively arranged at the output end of the driving motor 22 and the middle of the driving screw rod 25, and the transmission belt 24 is sleeved on the two pulleys 23;

[0030] Before testing the E-type soft ferrite core, it is necessary to clamp and fix the E-type soft ferrite core. First, place the E-type soft ferrite core horizontally on the base plate 1 with the flat side of the E-type soft ferrite core between the two clamping blocks 26. Then, control the drive motor 22 to rotate the drive screw 25 under the transmission of the pulley 23 and the transmission belt 24. Since the threads at both ends of the drive screw 25 rotate in opposite directions, the two clamping blocks 26 are driven to move synchronously toward the opposite side, thereby achieving clamping and fixing of both sides of the E-type soft ferrite core to facilitate subsequent testing.

[0031] In this embodiment, Figures 4 to 11 As shown, the width measuring assembly 3 includes a measuring frame 31 and a measuring rod 32. The measuring frame 31 is horizontally arranged on the top of the base plate 1 and located on one side of the clamping box 21. The measuring rod 32 is provided with a plurality of measuring rods 32. The plurality of measuring rods 32 are arranged side by side and one end of the plurality of measuring rods 32 passes through the side end of the measuring frame 31 and is slidably connected with the measuring frame 31 in the horizontal direction. The two ends of the plurality of measuring rods 32 are aligned.

[0032] The driving and measuring device 4 comprises an electric push rod 41 and a connecting plate 42, wherein the electric push rod 41 is horizontally arranged on the top of the base plate 1 and is located at an end of the clamping box 21 away from the measuring frame 31, the output end of the electric push rod 41 is oriented toward the clamping box 21, the connecting plate 42 is arranged on the top of the base plate 1 and is slidably connected to the top of the base plate 1 in the horizontal direction, one side of the connecting plate 42 is connected to the output end of the electric push rod 41, and the other side of the connecting plate 42 is connected to the side end of the clamping box 21;

[0033] The liquid conversion device 5 includes a sliding frame 51, a connecting rod 52, a sliding block 53, a water storage cylinder 54, a water storage cylinder 55, a baffle plate 56, a mounting plate 57 and a drain pipe 58. The sliding frame 51 is horizontally arranged directly above the measuring rod 32. The side ends of the sliding frames 51 in adjacent liquid conversion devices 5 are connected to each other, and the sliding frames 51 in the two outermost liquid conversion devices 5 are connected to the top of the base plate 1 through a connecting piece. The sliding block 53 is arranged on the sliding frame 51 and is slidably connected thereto in the horizontal direction. The bottom of the sliding block 53 is connected to the end of the measuring rod 32 close to the clamping box 21 through the connecting rod 52. The water storage cylinder 54 is vertically arranged at one end of the sliding frame 51 away from the clamping box 21, and a water storage cylinder 55 is arranged at the bottom of one end of the sliding block 53, and the top of the water storage cylinder 55 corresponds to the bottom position of the water storage cylinder 54 and is connected to each other, and the upper and lower ends of the water storage cylinder 55 are through-arranged, and the shielding plate 56 is arranged at the bottom of the sliding frame 51 and shields the through opening at the bottom end of the water storage cylinder 55, and the mounting plate 57 is horizontally arranged at the bottom of the shielding plate 56, and the drain pipe 58 vertically passes through the mounting plate 57 and the drain pipe 58 is located on the side of the water storage cylinder 55 away from the clamping box 21, and the upper and lower ends of the drain pipe 58 are through-arranged;

[0034] A sealing gasket is provided in the area where the shielding plate 56 contacts the bottom of the water storage cylinder 55, and a water inlet is provided at the top of the water storage cylinder 54;

[0035] The middle and both ends of the top of the measuring tube 6 are provided with a measuring cavity 61, and the top of the measuring cavity 61 is through-set. The measuring tube 6 is detachably mounted on the top of the base plate 1. The measuring cavity 61 is located directly below the plurality of drain pipes 58. The measuring tube 6 is transparent and has a measuring scale 62 at the side end.

[0036] When it is necessary to synchronously measure the width of the middle winding column and the winding openings on both sides of the soft ferrite core, firstly, the electric push rod 41 is controlled to drive the connecting plate 42 to move in the direction of the measuring rod 32, thereby driving the E-type soft ferrite core in the clamped state to slide in the direction of the several measuring rods 32. While sliding, the several measuring rods 32 driven by the protruding parts of the E-type soft ferrite core slide on the measuring frame 31 in the direction away from the clamping box 21. The E-type soft ferrite core is provided with three protruding parts. The raised portion in the middle is the middle winding column of the E-type soft magnetic ferrite core, the recessed portion in the middle of the adjacent raised portions corresponds to the winding openings on both sides, and the three measuring cavities 61 on the top of the measuring tube 6 correspond to the three raised portions of the E-type soft magnetic ferrite core respectively. When the corresponding measuring rod 32 is pushed and slides, the corresponding sliding block 53 is driven to slide synchronously on the sliding frame 51, so that the water storage tube 55 moves away from the shielding plate 56 and slides toward the direction of the drain pipe 58, so that the water filled in the water storage tube 55 is poured into the corresponding measuring tube through the drain pipe 58. The measuring cavity 61 on the cylinder 6 is formed, and the sliding block 53 seals the bottom of the water storage cylinder 54. Since the number of measuring rods 32 is large and dense, and a certain amount of water enters the measuring cavity 61 of the water storage cylinder 55 each time, the width of the winding column in the middle of the E-type soft ferrite core can be obtained by observing the liquid level of the water inside the measuring cavity 61 located in the middle and comparing it with the measuring scale 62. By comparing the liquid level of the water inside the measuring cavity 61 at both ends of the measuring cylinder 6, if the heights of the two are the same, the width of the winding column in the middle of the E-type soft ferrite core can be obtained. If they are consistent, it means that the widths of the raised portions at both ends of the E-type soft ferrite core are consistent, and thus the widths of the winding openings on both sides of the E-type soft ferrite core are consistent. If the two heights are inconsistent, it is judged that there is a difference in the widths of the winding openings on both sides of the E-type soft ferrite core, and thus the result of the E-type soft ferrite core being unqualified is obtained, thereby achieving the effect of synchronously measuring the widths of the middle winding column and the winding openings on both sides of the soft ferrite core, and the measured data is displayed more intuitively for the inspection personnel to record.

[0037] In this embodiment, Figure 7As shown, the reset device 7 includes a reset plate 71, a first toothed rod 72, a second toothed rod 73, a connecting frame 74, a first gear 75 and a second gear 76. The reset plate 71 is arranged at one end of a plurality of measuring rods 32 away from the clamping box 21 and in contact with the side end thereof. The bottom of the reset plate 71 is horizontally slidably connected with the top of the base plate 1. The first toothed rod 72 is horizontally arranged at the side end of the connecting plate 42. The second toothed rod 73 is horizontally arranged at the side end of the reset plate 71 and the second toothed rod 73 is located above the first toothed rod 72. The connecting frame 74 is arranged at the top of the base plate 1. The first gear 75 and the second gear 76 are rotatably arranged at the side end of the connecting frame 74 and the two are meshed with each other. The first gear 75 is meshed with the first toothed rod 72, and the second gear 76 is meshed with the second toothed rod 73.

[0038] When the E-type soft ferrite core is controlled by the electric push rod 41 to slide toward the measuring rod 32 for detection, the connecting plate 42 moves synchronously to drive the first toothed rod 72 to slide, and under the transmission of the first gear 75 and the second gear 76, the second toothed rod 73 is driven to slide synchronously and in the same direction as the first toothed rod 72, so that the reset plate 71 moves synchronously and away from the E-type soft ferrite core. When the detection is completed, the several measuring rods 32 are in an uneven state, and the electric push rod 41 is controlled to drive the connecting plate 42 and the E-type soft ferrite core to reset, and at this time drive the reset plate 71 to reset to the initial position, and then drive the several measuring rods 32 to reset to the initial state with both ends in an aligned state, so as to facilitate the next detection work.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A soft ferrite core inspection device, characterized in that: The invention comprises a base plate (1), wherein the base plate (1) is arranged on a horizontal plane, a magnetic core clamping device (2) is provided on one side of the top of the base plate (1), a width measuring assembly (3) is provided on the side of the top of the base plate (1) away from the magnetic core clamping device (2), a driving measuring device (4) is provided on the side of the magnetic core clamping device (2) away from the width measuring assembly (3), a plurality of liquid conversion devices (5) are equidistantly provided on the top of the driving measuring device (4), a measuring cylinder (6) is provided on the top of the base plate (1) and the measuring cylinder (6) is located directly below the plurality of liquid conversion devices (5), and a resetting device (7) is provided on the side of the width measuring assembly (3) away from the magnetic core clamping device (2); The liquid conversion device (5) comprises a sliding frame (51), a connecting rod (52), a sliding block (53), a water storage cylinder (54), a water storage cylinder (55), a shielding plate (56), a mounting plate (57) and a drainage pipe (58); the side ends of the sliding frames (51) in adjacent liquid conversion devices (5) are connected to each other, and the sliding frames (51) in the two outermost liquid conversion devices (5) are connected to the top of the base plate (1) through a connecting piece; the sliding block (53) is arranged on the sliding frame (51) and connected to the sliding frame (51). The sliding connection is horizontal, a water storage cylinder (55) is provided at the bottom of one end of the sliding block (53), and the top of the water storage cylinder (55) corresponds to the bottom of the water storage cylinder (54) and is in communication with each other, the upper and lower ends of the water storage cylinder (55) are through-connected, the shielding plate (56) is arranged at the bottom of the sliding frame (51) and shields the through opening at the bottom of the water storage cylinder (55), the mounting plate (57) is horizontally arranged at the bottom of the shielding plate (56), and the upper and lower ends of the drainage pipe (58) are through-connected.

2. A soft ferrite core inspection device according to claim 1, characterized in that: The magnetic core clamping device (2) comprises a clamping box (21), a driving motor (22), a pulley (23), a transmission belt (24), a driving screw (25) and a clamping block (26); the clamping box (21) is arranged on the top of the base plate (1) and is horizontally slidably connected to the top of the base plate (1); the driving screw (25) is horizontally and rotatably arranged inside the clamping box (21); the driving screw (25) has threads extending from the middle to both ends with opposite rotation directions; two clamping blocks (26) are provided, and the two clamping blocks (26) are symmetrically arranged on both sides of the driving screw (25). The drive motor (22) is arranged at the top of the clamping box (21). Two pulleys (23) are provided. The two pulleys (23) are arranged at the output end of the drive motor (22) and the middle part of the drive screw (25). The transmission belt (24) is sleeved on the two pulleys (23).

3. A soft ferrite core inspection device according to claim 2, characterized in that: The width measuring assembly (3) comprises a measuring frame (31) and a measuring rod (32), wherein the measuring frame (31) is horizontally arranged on the top of the base plate (1) and located on one side of the clamping box (21), and a plurality of measuring rods (32) are provided, wherein the plurality of measuring rods (32) are arranged side by side and one end of the plurality of measuring rods (32) passes through the side end of the measuring frame (31) and is slidably connected thereto in a horizontal direction, and the two ends of the plurality of measuring rods (32) are arranged in an aligned manner.

4. A soft ferrite core inspection device according to claim 3, characterized in that: The driving and measuring device (4) comprises an electric push rod (41) and a connecting plate (42); the electric push rod (41) is horizontally arranged on the top of the base plate (1) and is located at an end of the clamping box (21) away from the measuring frame (31); the output end of the electric push rod (41) faces the clamping box (21); the connecting plate (42) is arranged on the top of the base plate (1) and is slidably connected to the top of the base plate (1) in a horizontal direction; one side of the connecting plate (42) is connected to the output end of the electric push rod (41), and the other side of the connecting plate (42) is connected to the side end of the clamping box (21).

5. A soft ferrite core inspection device according to claim 4, characterized in that: The sliding frame (51) is horizontally arranged just above the measuring rod (32); the bottom of the sliding block (53) is connected to an end of the measuring rod (32) close to the clamping box (21) via a connecting rod (52); the water storage cylinder (54) is vertically arranged at an end of the sliding frame (51) away from the clamping box (21); the drainage pipe (58) vertically passes through the mounting plate (57) and is located on a side of the water storage cylinder (55) away from the clamping box (21).

6. A soft ferrite core inspection device according to claim 5, characterized in that: A sealing gasket is provided at the area where the shielding plate (56) contacts the bottom of the water storage cylinder (55), and a water inlet is provided at the top of the water storage cylinder (54).

7. A soft ferrite core inspection device according to claim 6, characterized in that: The measuring tube (6) is provided with a measuring cavity (61) in the middle and at both ends of the top, and the top of the measuring cavity (61) is through-set. The measuring tube (6) is detachably mounted on the top of the base plate (1). The measuring cavity (61) is located directly below a plurality of drainage pipes (58). The measuring tube (6) is transparent and has a measuring scale (62) on the side end.

8. A soft ferrite core inspection device according to claim 7, characterized in that: The reset device (7) comprises a reset plate (71), a first toothed rod (72), a second toothed rod (73), a connecting frame (74), a first gear (75) and a second gear (76). The reset plate (71) is arranged at one end of the plurality of measuring rods (32) away from the clamping box (21) and in contact with the side end thereof. The bottom of the reset plate (71) is horizontally slidably connected to the top of the base plate (1). The first toothed rod (72) is horizontally arranged at the side end of the connecting plate (42). The second toothed rod (73) is horizontally arranged at the side end of the reset plate (71) and the second toothed rod (73) is located above the first toothed rod (72). The connecting frame (74) is arranged at the top of the base plate (1). The first gear (75) and the second gear (76) are rotatably arranged at the side end of the connecting frame (74) and mesh with each other. The first gear (75) meshes with the first toothed rod (72) and the second gear (76) meshes with the second toothed rod (73).

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