Automatic impregnation device for metal soft magnetic powder core production

Abstract

The application relates to the technical field of electronic material manufacturing, and discloses an automatic impregnation device for metal soft magnetic powder core production, which comprises a box body, a motor one is fixedly connected to the outer wall of the box body, an injection inlet is formed in the outer wall of the box body, the inner wall of the box body is rotationally connected to a driving shaft through bearings and is close to one end of the box body, the driving shaft is fixedly connected to the output end of the motor one and penetrates through the inner wall of the box body, and the end of the driving shaft, which is away from the inner wall of the box body, is hingedly connected to the end of a swing rod, which is close to the driving shaft, through a rotating shaft. The separation mechanism can completely separate the metal soft magnetic powder core after the metal soft magnetic powder core is filled, each group of metal soft magnetic powder cores is subjected to separate impregnation treatment, the metal soft magnetic powder core is uniformly covered after impregnation, impregnation insufficiency at the bonding position caused by the superposition state is avoided, and the automatic impregnation device for metal soft magnetic powder core production can be normally used.

Description

Technical Field

[0001] This invention relates to the field of electronic material manufacturing technology, specifically to an automated impregnation device for producing soft magnetic powder cores. Background Technology

[0002] In the production process of metal soft magnetic powder cores, traditional impregnation methods are often inefficient and difficult to guarantee accuracy. With the continuous advancement of technology and the pursuit of high efficiency and high quality in industrial production, automated impregnation devices have emerged. These devices can accurately control various parameters in the impregnation process, improve the impregnation effect and product quality stability. At the same time, automated operation can greatly reduce manual intervention, reduce labor intensity, improve production efficiency, and meet the needs of modern large-scale industrial production.

[0003] Patent application CN202210227611.4 discloses an automated impregnation device for the production of soft magnetic powder cores, relating to the field of impregnation technology for the production of soft magnetic powder cores. To accelerate the drying rate of the soft magnetic powder cores after impregnation, the device includes a base, a vacuum sealing assembly, an impregnation mechanism, and an impregnation liquid supply mechanism. The vacuum sealing assembly is fixed to the top outer wall of the base using a support frame. The impregnation mechanism includes an arc-shaped plate, a guide box, a limiting rod, a lifting plate, a pad, a moving column, a moving roller, a vertical plate, a spring, a horizontal rod, a column, a limiting plate, a soft magnetic powder core placement assembly, and a driving unit. The arc-shaped plate is fixed to the top of the vacuum sealing assembly, the limiting rod is fixed to the top of the vacuum sealing assembly, and the column is fixed to the bottom outer wall of the guide box.

[0004] However, existing automated impregnation devices for producing soft magnetic powder cores often impregnate the cores in a stacked manner during the filling process. This method has obvious drawbacks, as it makes it difficult to effectively impregnate the bonding areas of the soft magnetic powder cores. Insufficient impregnation at the bonding areas may affect the performance and quality of the soft magnetic powder cores, leading to many problems in practical applications. This defect greatly limits the widespread application of automated impregnation devices for producing soft magnetic powder cores. Summary of the Invention

[0005] The purpose of this invention is to provide an automated impregnation device for the production of soft magnetic powder cores of metals, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automated impregnation device for producing metal soft magnetic powder cores, comprising a housing, a motor fixedly connected to the outer wall of the housing, an injection port provided on the outer wall of the housing, a drive shaft rotatably connected to one end of the housing via a bearing, the drive shaft penetrating the inner wall of the housing and fixedly connected to the output end of the motor, the drive shaft away from the inner wall of the housing via a rotating shaft and hinged to the end of a swing rod near the drive shaft, the inner wall of the swing rod away from the drive shaft via a rotating shaft and hinged to the outer wall of a connecting ring, a support mechanism provided on the outer wall of the connecting ring, the support mechanism comprising a fixed sleeve, the outer wall of the fixed sleeve being fixedly connected to the outer wall of the connecting ring, the outer wall of the fixed sleeve being fixedly connected to the outer wall of the motor, and further comprising:

[0007] A separation mechanism is provided inside the support mechanism. The separation mechanism includes a rotating locking plate, which includes a cover plate. The outer wall of the cover plate is fixedly connected to the output end of the motor and the outer wall of the support frame. The inner wall of the support frame is rotatably connected to the outer wall of the booster wheel via a rotating shaft. The outer wall of the cover plate is fixedly connected to the outer wall of the drive rod and the outer wall of the drive rod is fixedly connected to the outer wall of the connecting rod.

[0008] According to the above technical solution, the separation mechanism further includes a fixed disk, the fixed disk including a fixed plate, the outer wall of the fixed plate being engaged with the inner wall of the fixed sleeve, the outer wall of the fixed plate having a channel one, a sliding groove two, and a sliding groove three, the inner wall of the sliding groove three being slidably connected to the outer wall of the connecting rod, the outer wall of the fixed plate having an assembly groove two, the groove wall of the assembly groove two being fixedly connected to the outer wall of the isolation block, and the inner wall of the isolation block being fixedly connected to the outer wall of the pad block.

[0009] According to the above technical solution, the separation mechanism further includes a separation disc, which includes a rotating plate. The outer wall of the rotating plate is provided with a connecting groove, and the outer wall of the connecting groove is fixedly connected to the outer wall of the connecting rod. The outer wall of the rotating plate is provided with an assembly groove three and a channel two. The number of the drive shaft, the swing rod and the connecting ring are all two sets. The two sets of drive shaft, swing rod and connecting ring are symmetrically arranged on the inner wall of the box with the center line of the box as the axis of symmetry.

[0010] According to the above technical solution, the number of fixed disks is three sets, and the three sets of fixed disks are equidistantly arranged on the inner wall of the fixed sleeve with the center line of the fixed sleeve as the axis. The number of rotating plates is two sets, and the two sets of rotating plates are equidistantly arranged in the gap between the fixed disks with the center line of the fixed sleeve as the axis.

[0011] According to the above technical solution, the inner wall of the fixed sleeve is provided with an assembly groove, the groove wall of the assembly groove is slidably connected to the outer wall of the limiting block through a slider, the limiting block is engaged with the outer wall of the shaft rotating plate, and a spring is provided on the inner wall of the assembly groove, one end of the spring is fixedly connected to the inner wall of the assembly groove, and the other end is fixedly connected to the outer wall of the limiting block.

[0012] According to the above technical solution, the inner wall of the fixed sleeve is provided with a sliding groove, the groove wall of the sliding groove is fixedly connected to both ends of the limiting rod, the outer wall of the limiting rod is slidably connected to the inner wall of the support block, and a spring is provided on the outer wall of the limiting rod. One end of the spring is fixedly connected to the outer wall of the support block, and the other end is fixedly connected to the groove wall of the sliding groove.

[0013] According to the above technical solution, the inner wall of the support block is slidably connected to the outer wall of the limiting pin, the inner wall of the limiting pin is slidably connected to the outer wall of the support rod, and there are two sets of limiting pins. The two sets of limiting pins are symmetrically arranged on the inner wall of the support block with the center line of the support block as the axis of symmetry. A spring is provided on the outer wall of the support rod, and both ends of the spring are fixedly connected to the outer wall of the limiting pin.

[0014] According to the above technical solution, the inner wall of the fixed sleeve is fixedly connected to the outer wall of the limiting plate, the outer wall of the limiting plate is provided with a locking groove, the groove wall of the locking groove is engaged with the outer wall of the support rod, and the groove wall of the locking groove is slidably connected to the outer wall of the support block.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The automated impregnation device for producing soft magnetic metal powder cores is equipped with a separation mechanism. After the soft magnetic metal powder cores are filled, the separation mechanism can completely separate the soft magnetic metal powder cores, and each group of soft magnetic metal powder cores can be impregnated individually. This method can ensure that the soft magnetic metal powder cores are more evenly covered after impregnation, and avoid the problem of insufficient impregnation at the bonding area caused by impregnation in a superimposed state, so that the automated impregnation device for producing soft magnetic metal powder cores can be used normally.

[0017] 2. The automated impregnation device for producing soft magnetic powder cores is equipped with a support mechanism. During the filling operation of the soft magnetic powder cores, the support mechanism supports the soft magnetic powder cores. When the number of soft magnetic powder cores is insufficient, the separation mechanism may damage the soft magnetic powder cores during rotation. The support mechanism effectively prevents this from happening, ensuring that the soft magnetic powder cores remain intact during the production process and enabling the automated impregnation device for producing soft magnetic powder cores to operate normally.

[0018] 3. The automated impregnation device for producing soft magnetic powder cores is equipped with a fixed plate and a separating plate. The fixed plate and the separating plate separate particles or impurities in the impregnation liquid during the impregnation process, preventing them from adhering to the surface of the soft magnetic powder cores and causing defects. At the same time, the impregnation liquid is diverted to ensure that the impregnation liquid evenly covers the surface of the soft magnetic powder cores, so that the automated impregnation device for producing soft magnetic powder cores can be used normally.

[0019] 4. The automated impregnation device for producing soft magnetic powder cores is equipped with a swing rod. The swing rod drives the support mechanism and the separation mechanism to shake in the impregnation liquid, which increases the impregnation and adhesion efficiency of the soft magnetic powder cores. At the same time, it makes the impregnation liquid evenly cover the surface of the soft magnetic powder cores, so that the automated impregnation device for producing soft magnetic powder cores can be used normally. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a cross-sectional view of the present invention;

[0022] Figure 3 This is a schematic diagram of the support mechanism of the present invention;

[0023] Figure 4 This is a cross-sectional view of the support mechanism of the present invention;

[0024] Figure 5 For the present invention Figure 4 Enlarged diagram of A in the middle;

[0025] Figure 6 This is a cross-sectional view of the support mechanism of the present invention;

[0026] Figure 7 This is a cross-sectional view of the support mechanism of the present invention;

[0027] Figure 8 For the present invention Figure 7 Enlarged diagram of B in the middle;

[0028] Figure 9 The diagram and exploded view of the separation mechanism of the present invention are shown below;

[0029] Figure 10 This is a schematic diagram of the structure of the rotating locking plate of the present invention;

[0030] Figure 11 This is a schematic diagram of the structure of the fixing disk of the present invention;

[0031] Figure 12 This is a schematic diagram of the separation disk of the present invention.

[0032] In the diagram: 1. Housing; 2. Motor 1; 3. Inlet; 4. Support mechanism; 401. Fixed sleeve; 402. Motor 2; 403. Sliding groove 1; 404. Limiting plate; 405. Locking groove; 406. Assembly groove 1; 407. Limiting block; 408. Spring 1; 409. Limiting rod; 410. Support block; 411. Spring 2; 412. Limiting pin; 413. Spring 3; 414. Support rod; 5. Drive shaft; 6. Swing rod; 7. Connecting ring; 8. Separation mechanism; 81. Rotary locking plate; 811. Cover plate; 812. Support frame; 813. Pressure booster wheel; 814. Connecting rod; 815. Drive rod; 82. Fixed plate; 821. Fixed plate; 822. Channel 1; 823. Sliding groove 2; 824. Assembly groove 2; 825. Sliding groove 3; 826. Isolation block; 827. Pad block; 83. Separation plate; 831. Rotating plate; 832. Connecting groove; 833. Assembly groove 3; 834. Channel 2. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Example 1, please refer to Figures 1-2 and Figures 9-12 The present invention provides a technical solution: an automated impregnation device for producing soft magnetic powder cores of metal, comprising a housing 1, a motor 2 fixedly connected to the outer wall of the housing 1, an injection port 3 opened on the outer wall of the housing 1, a drive shaft 5 rotatably connected to one end of the housing 1 via a bearing, the drive shaft 5 penetrating the inner wall of the housing 1 and fixedly connected to the output end of the motor 2, the drive shaft 5 away from the inner wall of the housing 1 being hinged to the swing rod 6 near the drive shaft 5 via a rotating shaft, the inner wall of the swing rod 6 away from the drive shaft 5 being hinged to the outer wall of a connecting ring 7 via a rotating shaft, a support mechanism 4 provided on the outer wall of the swing rod 6 and the connecting ring 7, the support mechanism 4 including a fixed sleeve 401, the outer wall of the fixed sleeve 401 being fixedly connected to the outer wall of the connecting ring 7, the outer wall of the fixed sleeve 401 being fixedly connected to the outer wall of the motor 2 402, and further comprising:

[0035] Separation mechanism 8 is located inside support mechanism 4. Separation mechanism 8 includes a rotary locking plate 81. Rotary locking plate 81 includes a cover plate 811. The outer wall of cover plate 811 is fixedly connected to the output end of motor 402. The outer wall of cover plate 811 is fixedly connected to the outer wall of support frame 812. The inner wall of support frame 812 is rotatably connected to the outer wall of booster wheel 813 through a rotating shaft. The outer wall of cover plate 811 is fixedly connected to the outer wall of drive rod 815. The outer wall of drive rod 815 is fixedly connected to the outer wall of connecting rod 814.

[0036] The separation mechanism 8 also includes a fixed disk 82, which includes a fixed plate 821. The outer wall of the fixed plate 821 is engaged with the inner wall of the fixed sleeve 401. The outer wall of the fixed plate 821 has a channel 822, which connects the outer wall of the fixed plate 821 with the interior of the assembly groove 824, increasing the contact area between the metal soft magnetic powder core and the impregnation liquid during impregnation and increasing the flowability of the impregnation liquid. The outer wall of the fixed plate 821 has a sliding groove 823, which passes through the fixed plate 821 and the rotating plate 831. The outer wall of the support block 410 slides on the inner wall of the sliding groove 823. When the support block 410 slides on the inner wall of the sliding groove 823, the limiting pin 412 compresses the spring 413 and the outer wall of the fixed plate 821. The inner wall of the sliding groove 823 is engaged to limit the metal soft magnetic powder core within the sliding groove 823, preventing damage to the metal soft magnetic powder core when the rotating plate 831 rotates. The outer wall of the fixed plate 821 is provided with a sliding groove 825, the inner wall of which is slidably connected to the outer wall of the connecting rod 814. The outer wall of the fixed plate 821 is provided with an assembly groove 824, the groove wall of which is fixedly connected to the outer wall of the isolation block 826. The inner wall of the isolation block 826 is fixedly connected to the outer wall of the pad 827. After the metal soft magnetic powder core is impregnated, its volume increases. The pad 827 can prevent the impregnated metal soft magnetic powder core from interfering with the metal soft magnetic powder core when the rotating plate 831 rotates, thus preventing damage to the surface of the metal soft magnetic powder core.

[0037] The separation mechanism 8 also includes a separation disc 83, which includes a rotating plate 831. A connecting groove 832 is formed on the outer wall of the rotating plate 831, and the outer wall of the connecting groove 832 is fixedly connected to the outer wall of the connecting rod 814. An assembly groove 833 is formed on the outer wall of the rotating plate 831, and a channel 834 is formed on the outer wall of the rotating plate 831, allowing communication between the outer wall of the rotating plate 831 and the interior of the assembly groove 834. This increases the contact area between the metal soft magnetic powder core and the impregnation liquid during impregnation, thus increasing the flowability of the impregnation liquid. The number of drive shafts 5, swing rods 6, and connecting rings 7 are all in two sets. The two sets of drive shafts 5... The swing rod 6 and the connecting ring 7 are symmetrically arranged on the inner wall of the box 1 with the center line of the box 1 as the axis of symmetry. The hinge connection between the swing rod 6 on the left and the connecting ring 7 on the right is perpendicular to each other. The drive shaft 5 rotates in the same direction, so that when the swing rod 6 rotates, it drives the support mechanism 4 and the separation mechanism 8 to swing inside the box 1 through the hinge connection with the outer wall of the connecting ring 7. During the impregnation process, the metal soft magnetic powder core is stirred in the impregnation liquid by the support mechanism 4 and the separation mechanism 8 under the drive of the swing rod 6, so that the impregnation liquid is evenly attached to the outer wall of the metal soft magnetic powder core.

[0038] There are three sets of fixed disks 82, which are equidistantly arranged on the inner wall of the fixed sleeve 401 with the center line of the fixed sleeve 401 as the axis. There are two sets of rotating plates 831, which are equidistantly arranged in the gap between the fixed disks 82 with the center line of the fixed sleeve 401 as the axis.

[0039] The working principle of this embodiment is as follows: When the automated impregnation device for producing soft magnetic powder cores is put into use, the stacked soft magnetic powder cores are placed in the sliding groove 823. After filling, the motor 402 is started, which drives the cover plate 811 to rotate. The cover plate 811 drives the rotating plate 831 to rotate through the drive rod 815 and the connecting rod 814, causing the rotating plate 831 to separate the stacked soft magnetic powder cores. At the same time, the sliding groove 3 opened on the outer wall of the fixed plate 821 by the drive rod 815... The core slides within the 825 groove wall to the other end of the sliding groove 825. The rotating plate 831 drives the metal soft magnetic powder core to rotate to the pad block 827, completing the separation. The motor 2 is then started, which drives the drive shaft 5 and the swing rod 6 to rotate. The swing rod 6 is hinged to the connecting ring 7 for limiting, causing the swing rod 6 to drive the connecting ring 7 to swing. The connecting ring 7 drives the fixed sleeve 401 to shake inside the box 1, stirring the impregnation liquid while ensuring that the impregnation liquid is evenly attached to the outer wall of the metal soft magnetic powder core until the impregnation and attachment are completed.

[0040] Example 2, please refer to Figures 3-5The present invention provides a technical solution: the inner wall of the fixed sleeve 401 is provided with an assembly groove 406, the groove wall of the assembly groove 406 is slidably connected to the outer wall of the limiting block 407 through a slider, the limiting block 407 is engaged with the outer wall of the shaft rotating plate 831, and a spring 408 is provided on the inner wall of the assembly groove 406, one end of the spring 408 is fixedly connected to the inner wall of the assembly groove 406, and the other end is fixedly connected to the outer wall of the limiting block 407;

[0041] The inner wall of the fixed sleeve 401 is fixedly connected to the outer wall of the limiting plate 404. The outer wall of the limiting plate 404 is provided with a locking groove 405. The groove wall of the locking groove 405 is engaged with the outer wall of the support rod 414. The groove wall of the locking groove 405 is slidably connected to the outer wall of the support block 410.

[0042] The working principle of this embodiment is as follows: After the metal soft magnetic powder core is filled, when the rotating plate 831 rotates, the limiting block 407 compresses the spring 408 and slides on the inner wall of the assembly groove 406 until the impregnation process is completed. The rotating plate 831 rotates back to remove the metal soft magnetic powder core. When the rotating plate 831 rotates, it is positioned and limited by the limiting block 407. When the metal soft magnetic powder core is placed and removed from the fixed plate 821, the rotating plate 831 and the fixed plate 821 are positioned and limited by the rotation of the rotating plate 831 by the limiting block 407, which facilitates the placement and removal of the metal soft magnetic powder core.

[0043] Example 3, based on Example 2, please refer to... Figures 6-8 The present invention provides a technical solution: a sliding groove 403 is provided on the inner wall of the fixed sleeve 401. The groove wall of the sliding groove 403 is fixedly connected to both ends of the limiting rod 409. The outer wall of the limiting rod 409 is slidably connected to the inner wall of the support block 410. A spring 411 is provided on the outer wall of the limiting rod 409. One end of the spring 411 is fixedly connected to the outer wall of the support block 410, and the other end is fixedly connected to the groove wall of the sliding groove 403.

[0044] The inner wall of the support block 410 is slidably connected to the outer wall of the limiting pin 412, and the inner wall of the limiting pin 412 is slidably connected to the outer wall of the support rod 414. There are two sets of limiting pins 412, and the two sets of limiting pins 412 are symmetrically arranged on the inner wall of the support block 410 with the center line of the support block 410 as the axis of symmetry. A spring 413 is provided on the outer wall of the support rod 414, and both ends of the spring 413 are fixedly connected to the outer wall of the limiting pin 412.

[0045] The working principle of this embodiment is as follows: When the metal soft magnetic powder core is filled, the support block 410 compresses the spring 411 and slides on the outer wall of the limiting rod 409. At the same time, the support block 410 slides on the inner wall of the sliding groove 823. By the support block 410 sliding on the inner wall of the sliding groove 823, the limiting pin 412 is engaged with the spring 413 of the fixed plate 821 through the compression of the support block 410 on the inner wall of the sliding groove 823. This limits the metal soft magnetic powder core in the sliding groove 823 and prevents the rotating plate 831 from damaging the metal soft magnetic powder core when it rotates.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated impregnation device for producing soft magnetic powder cores of metal, comprising a housing (1), wherein a motor (2) is fixedly connected to the outer wall of the housing (1), an injection port (3) is provided on the outer wall of the housing (1), and the inner wall of the housing (1) is rotatably connected to a drive shaft (5) near the end of the housing (1) via a bearing. The end of the drive shaft (5) near the inner wall of the housing (1) passes through the inner wall of the housing (1) and is fixedly connected to the output end of the motor (2). The end of the drive shaft (5) away from the inner wall of the housing (1) is connected via a bearing. The rotating shaft is hinged to the swing rod (6) at one end near the drive shaft (5). The inner wall of the swing rod (6) away from the drive shaft (5) is hinged to the outer wall of the connecting ring (7) through the rotating shaft. The outer wall of the connecting ring (7) is provided with a support mechanism (4). The support mechanism (4) includes a fixed sleeve (401). The outer wall of the fixed sleeve (401) is fixedly connected to the outer wall of the connecting ring (7). The outer wall of the fixed sleeve (401) is fixedly connected to the outer wall of the second motor (402). Also includes: Separation mechanism (8), the separation mechanism (8) is set inside the support mechanism (4), the separation mechanism (8) includes a rotating locking plate (81), the rotating locking plate (81) includes a cover plate (811), the outer wall of the cover plate (811) is fixedly connected to the output end of the second motor (402), the outer wall of the cover plate (811) is fixedly connected to the outer wall of the support frame (812), the inner wall of the support frame (812) is rotatably connected to the outer wall of the booster wheel (813) through a rotating shaft, the outer wall of the cover plate (811) is fixedly connected to the outer wall of the drive rod (815), and the outer wall of the drive rod (815) is fixedly connected to the outer wall of the connecting rod (814); The separation mechanism (8) further includes a fixed disk (82), the fixed disk (82) includes a fixed plate (821), the outer wall of the fixed plate (821) is engaged with the inner wall of the fixed sleeve (401), the outer wall of the fixed plate (821) is provided with a channel one (822), the outer wall of the fixed plate (821) is provided with a sliding groove two (823), the outer wall of the fixed plate (821) is provided with a sliding groove three (825), the inner wall of the sliding groove three (825) is slidably connected with the outer wall of the connecting rod (814), the outer wall of the fixed plate (821) is provided with an assembly groove two (824), the groove wall of the assembly groove two (824) is fixedly connected with the outer wall of the isolation block (826), and the inner wall of the isolation block (826) is fixedly connected with the outer wall of the pad block (827); The separation mechanism (8) also includes a separation disc (83), which includes a rotating plate (831). The outer wall of the rotating plate (831) is provided with a connecting groove (832). The outer wall of the connecting groove (832) is fixedly connected to the outer wall of the connecting rod (814). The outer wall of the rotating plate (831) is provided with an assembly groove three (833) and a channel two (834). The number of the drive shaft (5), the swing rod (6) and the connecting ring (7) are all two sets. The two sets of drive shaft (5), swing rod (6) and connecting ring (7) are symmetrically arranged on the inner wall of the box (1) with the center line of the box (1) as the axis of symmetry.

2. The automated impregnation device for producing soft magnetic powder cores according to claim 1, characterized in that: The number of fixed disks (82) is three sets, and the three sets of fixed disks (82) are equidistantly arranged on the inner wall of the fixed sleeve (401) with the center line of the fixed sleeve (401) as the axis. The number of rotating plates (831) is two sets, and the two sets of rotating plates (831) are equidistantly arranged in the gap between the fixed disks (82) with the center line of the fixed sleeve (401) as the axis.

3. The automated impregnation device for producing soft magnetic powder cores of metal according to claim 1, characterized in that: The inner wall of the fixed sleeve (401) is provided with an assembly groove (406). The groove wall of the assembly groove (406) is slidably connected to the outer wall of the limiting block (407) by a slider. The limiting block (407) is engaged with the outer wall of the shaft rotating plate (831). The inner wall of the assembly groove (406) is provided with a spring (408). One end of the spring (408) is fixedly connected to the inner wall of the assembly groove (406), and the other end is fixedly connected to the outer wall of the limiting block (407).

4. The automated impregnation device for producing soft magnetic powder cores according to claim 3, characterized in that: The inner wall of the fixed sleeve (401) is provided with a sliding groove (403). The groove wall of the sliding groove (403) is fixedly connected to both ends of the limiting rod (409). The outer wall of the limiting rod (409) is slidably connected to the inner wall of the support block (410). The outer wall of the limiting rod (409) is provided with a spring (411). One end of the spring (411) is fixedly connected to the outer wall of the support block (410), and the other end is fixedly connected to the groove wall of the sliding groove (403).

5. An automated impregnation device for producing soft magnetic powder cores according to claim 4, characterized in that: The inner wall of the support block (410) is slidably connected to the outer wall of the limiting pin (412), and the inner wall of the limiting pin (412) is slidably connected to the outer wall of the support rod (414). There are two sets of limiting pins (412). The two sets of limiting pins (412) are symmetrically arranged on the inner wall of the support block (410) with the center line of the support block (410) as the axis of symmetry. The outer wall of the support rod (414) is provided with a spring three (413). Both ends of the spring three (413) are fixedly connected to the outer wall of the limiting pin (412).

6. An automated impregnation device for producing soft magnetic powder cores according to claim 3, characterized in that: The inner wall of the fixed sleeve (401) is fixedly connected to the outer wall of the limiting plate (404). The outer wall of the limiting plate (404) is provided with a locking groove (405). The groove wall of the locking groove (405) is engaged with the outer wall of the support rod (414). The groove wall of the locking groove (405) is slidably connected to the outer wall of the support block (410).

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