A production device of composite powder of electrically resistant coating

Abstract

The application discloses a kind of composite powder production equipment of electrically conductive coating, the application relates to composite powder technical field, including first shell, the outer surface of first shell is fixedly connected with support leg, the bottom of first shell inner wall is fixedly connected with second shell, the composite powder production equipment of electrically conductive coating, further including rotating device, by setting rotating device, can produce the effect of rotation, to provide power to fine grinding device and coarse grinding device, to make fine grinding device and coarse grinding device start working, complete the work of electrically conductive coating particle and become powder of grinding, the rotating device includes first support rod, the first support rod is fixedly connected at the inner wall of second shell, the end of first support rod away from second shell inner wall is fixedly connected with protection frame, the setting of protection frame can protect servo motor, reach the effect of multistage grinding and becoming fine powder to electrically conductive coating particle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of composite powder, in particular to a composite powder production equipment for electrically resistant coating. BACKGROUND

[0002] Composite powder refers to a powder composed of two or more different components per particle. It can be divided into mixed composite powder and coated composite powder. Coated composite powder is different from traditional mixed composite powder. It has a core-shell structure composed of a central particle and a coating layer. Different phases in the coated composite powder can achieve mixing between individual particles, while general composite powder cannot achieve uniform mixing at the particle level. Electrically resistant coating has excellent anti-arc breakdown performance in electrically resistant coating of railway vehicle roof.

[0003] During the production of electrically resistant coating composite powder, the electrically resistant coating particles need to be crushed to form electrically resistant coating powder. However, the current market mostly uses the impact method to crush the electrically resistant coating particles, which still produces small particles during the manufacturing process of the powder. SUMMARY

[0004] To achieve the above purpose, the present application realizes the following technical scheme: a composite powder production equipment for electrically resistant coating, comprising a first shell, the outer surface of the first shell is fixedly connected with supporting legs, the bottom of the inner wall of the first shell is fixedly connected with a second shell;

[0005] The composite powder production equipment for electrically resistant coating further comprises a rotating device. The rotating device can provide power to the fine crushing device and the coarse crushing device, so that the fine crushing device and the coarse crushing device start working and complete the crushing of the electrically resistant coating particles into powder. The rotating device comprises a first support rod fixedly connected to the inner wall of the second shell, a protection frame fixedly connected to the end of the first support rod away from the inner wall of the second shell, a second support rod fixedly connected to the inner wall of the protection frame, and a servo motor fixedly connected to the end of the second support rod. The servo motor can produce a rotating effect. The output end of the servo motor is fixedly connected with a rotating column, and the rotating column penetrates through the protection frame.

[0006] The fine grinding device can finely grind the electrically puncture-resistant coating after the coarse grinding device, thereby achieving the effect of manufacturing electrically puncture-resistant coating powder. The fine grinding device comprises a third fixed plate, which is fixedly connected to the top of the inner wall of the second shell. The third fixed plate is provided in plurality. The end of the third fixed plate is fixedly connected with a fourth support rod. The end of the fourth support rod away from the third fixed plate is fixedly connected with a fourth fixed plate. The end of the fourth fixed plate away from the fourth support rod is fixedly connected to the outer surface of the protection frame. The third fixed plate and the fourth fixed plate can support the fourth support rod. The gap between the third fixed plates can make the electrically puncture-resistant coating powder leak into the inner cavity of the second shell, thereby achieving the collection of the powder.

[0007] Preferably, the bottom of the inner wall of the second shell is fixedly connected with a first fixed plate. The axis of the upper surface of the first fixed plate is fixedly connected with an exhaust fan. The exhaust fan penetrates the first fixed plate. The axis of the lower surface of the first fixed plate is fixedly connected with a collection pipe. The exhaust fan and the collection pipe can collect the electrically puncture-resistant coating ground by the fine grinding device.

[0008] Preferably, the upper surface of the protection frame is fixedly connected with a third support rod. The end of the third support rod away from the protection frame is fixedly connected with a fixed ring. The third support rod can fix the fixed ring on the outer surface of the protection frame. The fixed ring can limit the rotation plate to prevent the rotation plate from loosening during rotation.

[0009] Preferably, the outer surface of the fixed ring is slidably connected with a limiting block. The number of limiting blocks is plurality. The limiting block can cooperate with the fixed ring to make the rotation plate rotate on the outer surface of the fixed ring and cooperate with the first grinding plate to grind the electrically puncture-resistant coating between the first grinding plate and the opposite surface of the limiting block, thereby making the electrically puncture-resistant coating into powder. The upper surface of the limiting block is fixedly connected with a rotation plate. The side of the upper surface of the rotation plate is fixedly connected with a second fixed plate.

[0010] Preferably, the upper surface of the fourth support rod is fixedly connected with a first soft pad. The number of first soft pads is plurality. The end of the first soft pad away from the fourth support rod is fixedly connected with a first grinding plate. The first soft pad can make the first grinding plate always contact with the lower surface of the limiting block when the first grinding plate contacts with the electrically puncture-resistant coating and the lower surface of the limiting block, thereby grinding the electrically puncture-resistant coating.

[0011] Preferably, the fine crushing device further comprises a fifth supporting rod and a pressing rod, the fifth supporting rod is fixedly connected to the upper surface of the second shell, the top end of the fifth supporting rod is fixedly connected with a pressing block, the pressing rod is fixedly connected to the outer surface of the second fixed plate, the outer surface of the pressing block is fixedly connected with a spring, the end of the spring away from the pressing block is fixedly connected to the end of the pressing rod, the setting of the pressing block, the pressing rod and the spring can make the rotating plate produce back and forth rotating effect instead of single direction rotating, so that the first crushing plate can back and forth crush the electrically resistant coating.

[0012] Preferably, the upper surface of the rotating plate is fixedly connected with a coarse crushing device, the setting of the coarse crushing device can have the effect of coarse crushing the electrically resistant coating, so that the fine crushing device can complete the full crushing effect of the electrically resistant coating, the coarse crushing device comprises a third shell, the third shell is fixedly connected to the upper surface of the rotating plate, the outer surface of the third shell is fixedly connected with a discharge pipe, the discharge pipe penetrates through the third shell, the end of the discharge pipe away from the third shell penetrates through the second fixed plate, the setting of the discharge pipe can make the electrically resistant coating crushed by the coarse crushing device flow into the inner cavity of the second shell, so as to be in contact with the fine crushing device to complete the fine crushing operation.

[0013] Preferably, the coarse crushing device further comprises a sixth supporting rod, the sixth supporting rod is fixedly connected to the outer surface of the rotating column, the end of the sixth supporting rod away from the rotating column is fixedly connected with a fixed ring, the setting of the fixed ring can transmit the rotation generated by the rotating column, so as to make the coarse crushing device produce rotation.

[0014] Preferably, the upper surface of the fixed ring is fixedly connected with a second soft pad, the upper surface of the second soft pad is fixedly connected with an inclined plate, the setting of the inclined plate and the second soft pad can make the electrically resistant coating smoothly enter the inner cavity of the third shell when the electrically resistant coating is put into the device, the top of the inner wall of the third shell is fixedly connected with a limiting ring, the inclined plate is slidingly connected at the inner ring of the limiting ring, the setting of the limiting ring can have the effect of limiting the inclined plate when the fixed ring drives the inclined plate to rotate.

[0015] Preferably, the lower surface of the fixed ring is fixedly connected with a fifth fixed plate, the inner wall of the fifth fixed plate is fixedly connected with a second crushing plate, the bottom surface of the inner cavity of the third shell is fixedly connected with a fourth shell, the outer surface of the fourth shell is fixedly connected with a third soft pad, the outer surface of the third soft pad is fixedly connected with a third crushing plate, the setting of the second crushing plate and the third crushing plate can crush the electrically resistant coating between the second crushing plate and the third crushing plate, so as to crush the large electrically resistant coating.

[0016] The application provides a composite powder production equipment for electrically resistant coating. The application has the following advantages:

[0017] One, the composite powder production equipment of the electrically resistant coating, through the setting of rotating device, can produce the effect of rotation, thereby providing power for the fine grinding device and the coarse grinding device, and then making the fine grinding device and the coarse grinding device start working, completing the work of grinding the electrically resistant coating particles into powder, the setting of the protection frame can protect the servo motor, thereby preventing the electrically resistant coating powder from adhering to the outer surface of the servo motor during the grinding process.

[0018] Two, the composite powder production equipment of the electrically resistant coating, through the setting of the fine grinding device, the electrically resistant coating after being ground by the coarse grinding device can be finely ground, thereby completing the effect of manufacturing electrically resistant coating powder.

[0019] Three, the composite powder production equipment of the electrically resistant coating, through the setting of the first soft pad, the first grinding plate can always be in contact with the lower surface of the limiting block when it is in contact with the electrically resistant coating and the lower surface of the limiting block, thereby grinding the electrically resistant coating.

[0020] Four, the composite powder production equipment of the electrically resistant coating, through the setting of the extrusion block, the extrusion rod and the spring, the rotating plate can produce the effect of back-and-forth rotation instead of single-direction rotation, thereby making the first grinding plate grind the electrically resistant coating back and forth.

[0021] Five, the composite powder production equipment of the electrically resistant coating, through the setting of the coarse grinding device, the electrically resistant coating can be coarsely ground, thereby making the fine grinding device complete the effect of fully grinding the electrically resistant coating, the setting of the discharge pipe can make the coarsely ground electrically resistant coating flow into the inner cavity of the second shell, thereby being in contact with the fine grinding device to complete the fine grinding operation, and the setting of the fixed ring can transmit the rotation generated by the rotating column, thereby making the coarse grinding device rotate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an external structure schematic view of the composite powder production equipment of the electrically resistant coating.

[0023] Figure 2 It is a cross-sectional structure schematic view.

[0024] Figure 3 It is a local structure schematic view.

[0025] Figure 4 It is a fine grinding device structure schematic view.

[0026] Figure 5 It is a rotating device structure schematic view.

[0027] Figure 6This is a schematic diagram of the coarse crushing device of the present invention;

[0028] Figure 7 This is a schematic cross-sectional view of the coarse crushing device of the present invention;

[0029] Figure 8 This is a partial structural diagram of the coarse crushing device of the present invention.

[0030] In the diagram: 1. First outer shell; 2. Support leg; 3. Second outer shell; 4. Rotating device; 5. Fine crushing device; 6. Coarse crushing device; 7. First fixing plate; 8. Exhaust fan; 9. Collection pipe; 41. First support rod; 42. Protective frame; 43. Second support rod; 44. Servo motor; 45. Rotating column; 46. Third support rod; 47. Fixing ring; 48. Limiting block; 49. Rotating plate; 410. Second fixing plate; 51. Third fixing plate; 52. Fourth support rod; 53. First flexible... 54. First crushing plate; 55. Fourth fixing plate; 56. Fifth support rod; 57. Extrusion block; 58. Spring; 59. Extrusion rod; 601. Third outer shell; 602. Discharge pipe; 603. Limiting ring; 604. Sixth support rod; 605. Fixing ring; 606. Second soft pad; 607. Inclined plate; 608. Fifth fixing plate; 609. Second crushing plate; 610. Fourth outer shell; 611. Third soft pad; 612. Third crushing plate; 613. Partition plate; 614. Limiting ring. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0032] First embodiment, such as Figures 1-3 As shown, the present invention provides a technical solution: a composite powder production equipment for electro-penetration resistant coating, including a first outer shell 1, a support leg 2 fixedly connected to the outer surface of the first outer shell 1, and a second outer shell 3 fixedly connected to the bottom of the inner wall of the first outer shell 1.

[0033] The composite powder production equipment of the electrically resistant penetrating coating also comprises rotating device 4. The rotating device 4 can generate rotating effect, thereby providing power for fine grinding device 5 and coarse grinding device 6, and further making fine grinding device 5 and coarse grinding device 6 start working, and completing the work of grinding the electrically resistant penetrating coating particles into powder. The rotating device 4 comprises first support rod 41, which is fixedly connected to the inner wall of second shell 3. The end of first support rod 41 away from the inner wall of second shell 3 is fixedly connected with protection frame 42. The protection frame 42 can protect servo motor 44, thereby preventing the electrically resistant penetrating coating powder from adhering to the outer surface of servo motor 44 during the grinding process. The inner wall of protection frame 42 is fixedly connected with second support rod 43. The end of second support rod 43 is fixedly connected with servo motor 44. The servo motor 44 can generate rotating effect. The output end of servo motor 44 is fixedly connected with rotating column 45. Rotating column 45 penetrates protection frame 42. In use, the operator connects servo motor 44 to power supply and turns on the switch of servo motor 44. Servo motor 44 starts working, thereby making rotating column 45 start rotating.

[0034] Fine grinding device 5 can finely grind the electrically resistant penetrating coating after being ground by coarse grinding device 6, thereby completing the effect of manufacturing electrically resistant penetrating coating powder. Fine grinding device 5 comprises third fixed plate 51, which is fixedly connected to the top of the inner wall of second shell 3. The end of third fixed plate 51 is fixedly connected with fourth support rod 52. The end of fourth support rod 52 away from third fixed plate 51 is fixedly connected with fourth fixed plate 55. The end of fourth fixed plate 55 away from fourth support rod 52 is fixedly connected to the outer surface of protection frame 42. Third fixed plate 51 and fourth fixed plate 55 can support fourth support rod 52. The gap between third fixed plates 51 can make the ground electrically resistant penetrating coating powder leak into the inner cavity of second shell 3, thereby completing the collection work of powder.

[0035] The bottom of the inner wall of second shell 3 is fixedly connected with first fixed plate 7. The shaft center of the upper surface of first fixed plate 7 is fixedly connected with exhaust fan 8, which penetrates first fixed plate 7. The shaft center of the lower surface of first fixed plate 7 is fixedly connected with collection pipe 9. Exhaust fan 8 and collection pipe 9 can collect the electrically resistant penetrating coating ground by fine grinding device 5. In use, the operator connects exhaust fan 8 to power supply and turns on the switch of exhaust fan 8, thereby generating airflow in the inner cavity of second shell 3, sucking the electrically resistant penetrating coating powder in fine grinding device 5, and finally discharging the device from collection pipe 9, thereby completing the collection work of electrically resistant penetrating coating powder.

[0036] The upper surface of the protection frame 42 is fixedly connected with a third supporting rod 46, one end of the third supporting rod 46 away from the protection frame 42 is fixedly connected with a fixed ring 47, the third supporting rod 46 can fix the fixed ring 47, the fixed ring 47 is arranged on the outer surface of the protection frame 42, the fixed ring 47 can limit the rotation of the rotating plate 49, and the rotating plate 49 is prevented from being loose during rotation, the outer surface of the fixed ring 47 is slidably connected with a limiting block 48, the number of the limiting block 48 is several, the limiting block 48 can cooperate with the fixed ring 47, so that the rotating plate 49 rotates on the outer surface of the fixed ring 47 and can cooperate with the first crushing plate 54 to crush the electrically resistant coating between the first crushing plate 54 and the opposite surface of the limiting block 48, so that the electrically resistant coating becomes powder, and the upper surface of the several limiting blocks 48 is fixedly connected with the rotating plate 49, the side of the upper surface of the rotating plate 49 is fixedly connected with a second fixed plate 410, in use, the rotating plate 49 rotates under the influence of the servo motor 44, and the limiting block 48 on the lower surface of the rotating plate 49 rotates on the outer surface of the fixed ring 47 and keeps stable when the rotating column 45 is driven to rotate by the servo motor 44.

[0037] The second embodiment, as shown in Figures 4-5 The upper surface of the fourth supporting rod 52 is fixedly connected with a first soft pad 53, and the number of the first soft pad 53 is several, and one end of the first soft pad 53 away from the fourth supporting rod 52 is fixedly connected with a first crushing plate 54, the first soft pad 53 can make the first crushing plate 54 always contact with the lower surface of the limiting block 48 when the first crushing plate 54 contacts with the electrically resistant coating and the lower surface of the limiting block 48, so as to crush the electrically resistant coating, the fine crushing device 5 further comprises a fifth supporting rod 56 and an extrusion rod 59, the fifth supporting rod 56 is fixedly connected to the upper surface of the second housing 3, the top end of the fifth supporting rod 56 is fixedly connected with an extrusion block 57, the extrusion rod 59 is fixedly connected to the outer surface of the second fixed plate 410, the outer surface of the extrusion block 57 is fixedly connected with a spring 58, one end of the spring 58 away from the extrusion block 57 is fixedly connected to the end of the extrusion rod 59, the extrusion block 57, the extrusion rod 59 and the spring 58 can make the rotating plate 49 rotate back and forth instead of rotating in a single direction, so as to make the first crushing plate 54 crush the electrically resistant coating back and forth, in use, the rotating plate 49 also rotates under the action of the rotating column 45, the extrusion block 57 and the extrusion rod 59 move relative to each other when the rotating plate 49 rotates, so as to store elastic potential energy of the spring 58, when the potential energy of the spring 58 reaches a certain amount, the elastic potential energy of the spring 58 is released, so as to make the rotating plate 49 rotate reversely, thereby achieving the effect of repeated crushing.

[0038] The third embodiment, as shown in Figures 6-8 The upper surface of the rotating plate 49 is fixedly connected with a coarse crushing device 6. The coarse crushing device 6 can coarsely crush the electrically resistant penetrating coating, so that the fine crushing device 5 can fully crush the electrically resistant penetrating coating. The coarse crushing device 6 comprises a third shell 601 fixedly connected to the upper surface of the rotating plate 49. The outer surface of the third shell 601 is fixedly connected with a discharge pipe 602 penetrating through the third shell 601. The end of the discharge pipe 602 away from the third shell 601 penetrates through the second fixed plate 410. The discharge pipe 602 can make the coarsely crushed electrically resistant penetrating coating flow into the inner cavity of the second shell 3, so as to be in contact with the fine crushing device 5 to complete the fine crushing operation. The coarse crushing device 6 further comprises a sixth support rod 604 fixedly connected to the outer surface of the rotating column 45. The end of the sixth support rod 604 away from the rotating column 45 is fixedly connected with a fixed ring 605. The fixed ring 605 can transmit the rotation generated by the rotating column 45, so as to make the coarse crushing device 6 rotate. In use, the rotating column 45 starts to rotate under the influence of the servo motor 44, so as to drive the sixth support rod 604 and the fixed ring 605 to rotate.

[0039] The upper surface of the fixed ring 605 is fixedly connected with a second soft pad 606. The upper surface of the second soft pad 606 is fixedly connected with an inclined plate 607. The inclined plate 607 and the second soft pad 606 can make the electrically resistant penetrating coating smoothly enter the inner cavity of the third shell 601 when the electrically resistant penetrating coating is put into the device. The top of the inner wall of the third shell 601 is fixedly connected with a limiting ring 603. The inclined plate 607 is slidingly connected to the inner ring of the limiting ring 603. The limiting ring 603 can limit the inclined plate 607 when the inclined plate 607 is driven to rotate by the fixed ring 605. In use, the operator places the electrically resistant penetrating coating to be crushed above the third shell 601. During the rotation of the inclined plate 607, the electrically resistant penetrating coating is thrown into the inner cavity of the third shell 601.

[0040] The lower surface of the fixed ring 605 is fixedly connected with a fifth fixed plate 608, the inner wall of the fifth fixed plate 608 is fixedly connected with a second crushing plate 609, the bottom surface of the third shell 601 inner cavity is fixedly connected with a fourth shell 610, the outer surface of the fourth shell 610 is fixedly connected with a third soft pad 611, the outer surface of the third soft pad 611 is fixedly connected with a third crushing plate 612, the second crushing plate 609 and the third crushing plate 612 are arranged to crush the electrically resistant wear-resistant coating between the second crushing plate 609 and the third crushing plate 612, so as to crush the large electrically resistant wear-resistant coating, when in use, the fixed ring 605 rotates to drive the second crushing plate 609 and the electrically resistant wear-resistant coating to contact with the third crushing plate 612, so as to complete the crushing work of the electrically resistant wear-resistant coating.

[0041] The upper surface of the rotating plate 49 is provided with a circular hole at the shaft center, the upper surface of the rotating plate 49 is fixedly connected with a partition plate 613 at the circular hole, the end of the partition plate 613 is fixedly connected with a limiting ring 614, the rotating column 45 is slidingly connected at the inner ring of the limiting ring 614, the partition plate 613 and the limiting ring 614 are arranged to collect the electrically resistant wear-resistant coating powder from the gap between the partition plates 613, the fourth shell 610 and the rotating column 45 have a certain gap, so that the electrically resistant wear-resistant coating powder is collected under the action of the exhaust fan 8.

[0042] Obviously, the embodiments described are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art and related fields without creative work should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless specifically described and limited.

Claims

1. A composite powder production equipment for an electro-penetration resistant coating, comprising a first outer shell (1), wherein a support leg (2) is fixedly connected to the outer surface of the first outer shell (1), characterized in that: The bottom of the inner wall of the first outer shell (1) is fixedly connected to the second outer shell (3); The composite powder production equipment for the electrical penetration resistant coating also includes; A rotating device (4) includes a first support rod (41), which is fixedly connected to the inner wall of the second outer shell (3). A protective frame (42) is fixedly connected to one end of the first support rod (41) away from the inner wall of the second outer shell (3). A second support rod (43) is fixedly connected to the inner wall of the protective frame (42). A servo motor (44) is fixedly connected to the end of the second support rod (43). A rotating column (45) is fixedly connected to the output end of the servo motor (44). The rotating column (45) passes through the protective frame (42). Fine grinding device (5), the fine grinding device (5) includes a third fixing plate (51), the third fixing plate (51) is fixedly connected to the top of the inner wall of the second outer shell (3), and there are several third fixing plates (51), and the ends of several third fixing plates (51) are fixedly connected to a fourth support rod (52), the end of the fourth support rod (52) away from the third fixing plate (51) is fixedly connected to a fourth fixing plate (55), and the end of the fourth fixing plate (55) away from the fourth support rod (52) is fixedly connected to the outer surface of the protective frame (42); A third support rod (46) is fixedly connected to the upper surface of the protective frame (42), and a fixing ring (47) is fixedly connected to the end of the third support rod (46) away from the protective frame (42); The outer surface of the fixed ring (47) is slidably connected to a limiting block (48), and there are several limiting blocks (48). A rotating plate (49) is fixedly connected to the upper surface of several limiting blocks (48), and a second fixing plate (410) is fixedly connected to the side of the upper surface of the rotating plate (49). A coarse crushing device (6) is fixedly connected to the upper surface of the rotating plate (49). The coarse crushing device (6) includes a third outer shell (601). The third outer shell (601) is fixedly connected to the upper surface of the rotating plate (49). A discharge pipe (602) is fixedly connected to the outer surface of the third outer shell (601). The discharge pipe (602) penetrates the third outer shell (601). The end of the discharge pipe (602) away from the third outer shell (601) penetrates the second fixed plate (410).

2. The composite powder production equipment for an electrically resistant coating according to claim 1, characterized in that: A first fixing plate (7) is fixedly connected to the bottom of the inner wall of the second outer shell (3). An exhaust fan (8) is fixedly connected to the axis of the upper surface of the first fixing plate (7). The exhaust fan (8) passes through the first fixing plate (7). A collection pipe (9) is fixedly connected to the axis of the lower surface of the first fixing plate (7).

3. The composite powder production equipment for an electrically resistant coating according to claim 1, characterized in that: The upper surface of the fourth support rod (52) is fixedly connected to a first soft pad (53), and there are several first soft pads (53), and a first crushing plate (54) is fixedly connected to one end of each of the several first soft pads (53) away from the fourth support rod (52).

4. The composite powder production equipment for an electrically resistant coating according to claim 3, characterized in that: The fine crushing device (5) further includes a fifth support rod (56) and an extrusion rod (59). The fifth support rod (56) is fixedly connected to the upper surface of the second housing (3). An extrusion block (57) is fixedly connected to the top end of the fifth support rod (56). The extrusion rod (59) is fixedly connected to the outer surface of the second fixing plate (410). A spring (58) is fixedly connected to the outer surface of the extrusion block (57). The end of the spring (58) away from the extrusion block (57) is fixedly connected to the end of the extrusion rod (59).

5. The composite powder production equipment for an electrically resistant coating according to claim 1, characterized in that: The coarse crushing device (6) also includes a sixth support rod (604), which is fixedly connected to the outer surface of the rotating column (45), and a fixing ring (605) is fixedly connected to the end of the sixth support rod (604) away from the rotating column (45).

6. The composite powder production equipment for an electro-penetration resistant coating according to claim 5, characterized in that: The upper surface of the fixing ring (605) is fixedly connected to a second soft pad (606), the upper surface of the second soft pad (606) is fixedly connected to an inclined plate (607), the top of the inner wall of the third outer shell (601) is fixedly connected to a limiting ring (603), and the inclined plate (607) is slidably connected to the inner ring of the limiting ring (603).

7. The composite powder production equipment for an electro-penetration resistant coating according to claim 6, characterized in that: A fifth fixing plate (608) is fixedly connected to the lower surface of the fixing ring (605), a second crushing plate (609) is fixedly connected to the inner wall of the fifth fixing plate (608), a fourth outer shell (610) is fixedly connected to the bottom surface of the inner cavity of the third outer shell (601), a third soft pad (611) is fixedly connected to the outer surface of the fourth outer shell (610), and a third crushing plate (612) is fixedly connected to the outer surface of the third soft pad (611).

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