Mixing equipment for pouring of multi-winding dry-type transformer
By designing a mixing equipment for casting of multi-winding dry transformer, the combination of rotating sleeve, annular plate and spiral stirring plate is used to solve the problem of low material mixing uniformity in the prior art, and more efficient material mixing and transformer performance improvement is achieved.
Patent Information
- Application Number
- CN202411430870.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-02-25
AI Technical Summary
When the existing devices mix and stir the whole material, they cannot stir the materials in the local area at the same time, resulting in a low uniformity of mixing and affecting the insulation performance, mechanical strength and service life of the transformer.
A mixing equipment for casting of multi-winding dry transformer is designed, including a mixing barrel, a stirring device and a feeding device. The agitating device achieves all-round stirring of the material through the combination of a rotating sleeve, annular plate and a spiral stirring plate; the feeding device ensures uniform addition and mixing of the material through multiple sets of discharge ports and agitating plates.
Through the use of this equipment, the mixing uniformity of materials can be significantly improved, the insulation performance and mechanical strength of the transformer can be enhanced, and the service life can be extended.
Smart Images
Figure CN119499928A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of dry-type transformer casting, in particular to a material mixing device for casting a multi-winding dry-type transformer. Background Art
[0002] With the continuous development of the power system and the increasing requirements for the reliability of power equipment, multi-winding dry-type transformers have been increasingly widely used in power transmission, distribution and industrial applications. Multi-winding dry-type transformers have the advantages of small size, light weight, good fire resistance and easy maintenance, and can meet the power needs of different occasions. In the manufacturing process of multi-winding dry-type transformers, casting is a key link. The dry-type transformer coil needs to be cast with epoxy resin before installing the transformer. The usual casting method is to wrap the coil body with a mold, and then use a glue injection machine to inject glue. When batch casting of multi-winding coil bodies, it is obvious that a single mold is difficult to achieve quick casting work, and epoxy resin usually uses two resin glues, AB glue, to mix. The quality and mixing uniformity of the casting material directly affect the insulation performance, mechanical strength and service life of the transformer.
[0003] When the existing device mixes and stirs the whole material, it is unable to stir the material in a local area at the same time, and the mixing uniformity is low. Summary of the invention
[0004] In order to solve the above technical problems, the present invention provides: a mixing device for casting a multi-winding dry-type transformer, comprising: A mixing barrel, the outer side of which is fixedly connected to a support sleeve through a bracket, the bottom of which is connected to a discharge pipe, the outer side of which is fixedly connected to a reinforcement plate, and the bottom of which is fixedly connected to a base; A stirring device, which is used to stir and mix the materials in the mixing barrel; A feeding device, which is used to evenly discharge the material into the mixing barrel; The support sleeve is sleeved on the outside of the mixing barrel, and two groups of discharge pipes are provided. The two groups of discharge pipes are symmetrically distributed at the bottom of the mixing barrel. The stirring device passes through the mixing barrel and is rotatably connected to the bottom of the mixing barrel through a sealed bearing. The bottom of the stirring device is fixedly connected to the top of the base, and the top of the feeding device passes through the mixing barrel and is fixedly connected to the top of the mixing barrel. Wherein, the stirring device comprises: A rotating sleeve, wherein a sliding opening is provided on the outer side of the rotating sleeve, a rotating support rod is fixedly connected to the top of the rotating sleeve, a rotating shaft is fixedly connected to the bottom of the rotating sleeve, and a driving motor is fixedly connected to the bottom of the rotating shaft; An annular plate, the outer side of which is fixedly connected to a connecting bracket, the end of the connecting bracket away from the annular plate is fixedly connected to a spiral stirring plate, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the rotating sleeve to rotate, the rotating sleeve drives the annular plate to rotate through the moving device, the annular plate drives the spiral stirring plate to rotate through the connecting bracket, and the rotating spiral stirring plate can stir and mix the materials in the mixing barrel; A moving device is used to control the spiral stirring plate to move up and down.
[0005] Preferably, the sliding openings are provided with multiple groups, the bottom of the driving motor is fixedly connected to the top of the base, the output end of the driving motor passes through the bottom of the mixing barrel and is rotatably connected to the bottom of the mixing barrel through a sealed bearing, the annular plate is sleeved on the outside of the rotating sleeve, and two groups of the annular plates are provided, and the two groups of the annular plates are evenly distributed on the outside of the rotating sleeve, the top of the rotating support rod is fixedly connected to the bottom of the feeding device, and the outside of the moving device is fixedly connected to the inner wall of the rotating sleeve.
[0006] Preferably, the stirring device also includes a guide port, the inner wall of the guide port is rotatably connected to a rotating column via a rolling bearing, the outer side of the rotating column is fixedly connected to a connecting plate, and the connecting plate is fixedly connected to a flipping plate on the side away from the rotating column. In the process of mixing materials, the spiral stirring plate lifts the material in the mixing barrel. When the spiral stirring plate lifts the material upward, part of the material slides along the surface of the spiral stirring plate through the guide port and passes through the inside of the guide port. When the material passes through the guide port, the flipping plate is squeezed, and the flipping plate is pushed to drive the rotating column to rotate. When the rotating column rotates, it drives multiple groups of flipping plates to rotate through the connecting plate. The material in a local area in the mixing barrel can be stirred by the rotation of the flipping plate to improve the uniformity of mixing.
[0007] Preferably, the connecting plates are provided in multiple groups, and the multiple groups of connecting plates are evenly distributed on the outside of the rotating column, and the guide ports are opened in multiple groups, and the multiple groups of guide ports are symmetrically opened on the spiral stirring plate.
[0008] Preferably, the moving device includes an electric slide rail, the interior of the electric slide rail is slidably connected to a moving bracket via an electric slider, a sealing baffle is mounted on and fixedly connected to the moving bracket, the electric slide rail drives the moving bracket to move via the internal electric slider, the moving bracket drives the annular plate to move, the annular plate drives the spiral stirring plate to move up and down via the connecting bracket, and the spiral stirring plate can cause the material to fluctuate up and down when moving, thereby enhancing the mixing effect of the material in the vertical direction.
[0009] Preferably, one side of the sealing baffle is slidably connected to the inner wall of the rotating sleeve, both ends of the movable bracket pass through the sliding opening and are fixedly connected to the inner wall of the annular plate, and the movable bracket is provided in multiple groups and corresponds to the annular plates one by one.
[0010] Preferably, the feeding device includes a feeding barrel, the top of the feeding barrel is located at the center position and is connected to a feeding pipe, the bottom of the feeding barrel is located at the center position and is provided with a mounting opening, the inner wall of the mounting opening is rotatably connected to a rotating disk through a sealed bearing, the outer side of the rotating disk is fixedly connected to a stirring plate, and the rotating disk is driven to rotate when the rotating support rod rotates, and the rotating disk drives the stirring plate to stir the material in the feeding barrel to avoid sedimentation and stratification of the material entering the feeding barrel, thereby effectively improving the mixing efficiency, the outer side of the rotating support rod is fixedly connected to a bottom plate near the rotating disk, the top of the bottom plate is fixedly connected to a positioning plate through a bracket, and the top of the positioning plate is rotatably connected to the rotating bracket The top of the positioning plate is located at the center position and is fixedly connected to a blocking plate by a bracket. The bottom of the feed barrel is evenly provided with discharge ports. The rotating support rod drives the positioning plate to move through the bottom plate, and the positioning plate moves along the bottom of the feed barrel through the rolling balls. When the positioning plate moves, it drives the blocking plate to block the discharge port, while the unblocked discharge port can discharge the material into the mixing barrel. Since there are multiple groups of discharge ports, the multiple groups of discharge ports can be used to evenly add the material to the mixing barrel, so that the material is more evenly distributed in the mixing space, increasing the contact area with other materials, making it easier to be stirred in all directions, and avoiding the accumulation of materials in the same position affecting the uniformity of mixing.
[0011] Preferably, the bottom of the rotating disk is fixedly connected to the top of the rotating support rod, the stirring plates are provided in multiple groups, and the multiple groups of stirring plates are evenly distributed on the outside of the rotating disk, and the bottom plates are provided in multiple groups, and the multiple groups of bottom plates are evenly distributed on the outside of the rotating support rod.
[0012] Preferably, the top of the feed cylinder is fixedly connected to the top of the inner wall of the mixing cylinder, the feed pipe passes through the mixing cylinder and is fixedly connected to the top of the mixing cylinder, and the rolling balls are provided in multiple groups.
[0013] The present invention provides a mixing device for casting a multi-winding dry-type transformer. It has the following beneficial effects: 1. A mixing device for casting a multi-winding dry-type transformer, through the installation of a stirring device, a driving motor drives the rotating shaft to rotate, the rotating shaft drives the rotating sleeve to rotate, the rotating sleeve drives the annular plate to rotate through a moving device, the annular plate drives the spiral stirring plate to rotate through a connecting bracket, and the rotating spiral stirring plate can stir and mix the materials in the mixing barrel. In the process of mixing the materials, the spiral stirring plate lifts the materials in the mixing barrel. When the spiral stirring plate lifts the materials upward, part of the materials slide along the surface of the spiral stirring plate through the guide port and pass through the inside of the guide port. When the materials pass through the guide port, they squeeze the flipping plate, and the flipping plate is pushed to drive the rotating column to rotate. When the rotating column rotates, it drives multiple groups of flipping plates to rotate through the connecting plate. The rotation of the flipping plate can stir the materials in the local area of the mixing barrel to improve the uniformity of mixing.
[0014] 2. This mixing equipment for casting a multi-winding dry-type transformer is installed by an electric slide rail. The electric slide rail drives the mobile bracket to move through the internal electric slider, and the mobile bracket drives the annular plate to move. The annular plate drives the spiral stirring plate to move up and down through the connecting bracket. When the spiral stirring plate moves, the material can produce up and down fluctuations, thereby enhancing the mixing effect of the material in the vertical direction.
[0015] 3. A mixing device for casting a multi-winding dry-type transformer, through the installation of a feeding device, a rotating support rod drives the positioning plate to move through the bottom plate, the positioning plate moves along the bottom of the feeding barrel through rolling balls, and when the positioning plate moves, it drives the blocking plate to block the discharge port, while the unblocked discharge port can discharge materials into the mixing barrel. Since there are multiple groups of discharge ports, multiple groups of discharge ports can be used to evenly add materials to the mixing barrel, so that the materials are more evenly distributed in the mixing space, increasing the contact area with other materials, making it easier to be stirred in all directions, and avoiding the accumulation of materials in the same position to affect the uniformity of mixing.
[0016] 4. This mixing equipment for casting a multi-winding dry-type transformer, through the installation of a stirring plate, drives the rotating disk to rotate when the rotating support rod rotates, and the rotating disk drives the stirring plate to stir the material in the feed barrel, thereby avoiding sedimentation and stratification of the material entering the feed barrel, and effectively improving the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A schematic diagram of the structure of a mixing device for casting a multi-winding dry-type transformer of the present invention; Figure 2 It is a schematic diagram of the internal structure of the mixing cylinder of the present invention; Figure 3 It is a structural schematic diagram of the spiral stirring plate of the present invention; Figure 4 It is a structural schematic diagram of the flow guide port of the present invention; Figure 5 For the present invention Figure 4 A magnified view of the structure at center A; Figure 6 It is a schematic diagram of the internal structure of the rotating sleeve of the present invention; Figure 7 It is a structural schematic diagram of the feed barrel of the present invention; Figure 8 It is a schematic structural diagram of the stirring plate of the present invention.
[0018] In the figure: 1. mixing barrel; 2. supporting sleeve; 3. discharge pipe; 4. reinforcing plate; 5. base; 6. stirring device; 61. rotating sleeve; 62. sliding port; 63. rotating support rod; 64. rotating shaft; 65. driving motor; 66. annular plate; 67. connecting bracket; 68. spiral stirring plate; 69. moving device; 691. electric slide rail; 692. moving bracket; 693. sealing baffle; 610. guide port; 611. rotating column; 612. connecting plate; 613. turning plate; 7. feeding device; 71. feeding barrel; 72. feeding pipe; 73. installation port; 74. rotating disk; 75. stirring plate; 76. bottom plate; 77. positioning plate; 78. rolling ball; 79. blocking plate; 710. discharge port. DETAILED DESCRIPTION
[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
[0020] For the first embodiment, please refer to Figure 1-Figure 6 The present invention provides a technical solution: a mixing device for casting a multi-winding dry-type transformer, comprising: A mixing barrel 1, the outer side of the mixing barrel 1 is fixedly connected to a support sleeve 2 through a bracket, the bottom of the mixing barrel 1 is connected to a discharge pipe 3, the outer side of the support sleeve 2 is fixedly connected to a reinforcement plate 4, and the bottom of the reinforcement plate 4 is fixedly connected to a base 5; A stirring device 6, which is used to stir and mix the materials in the mixing barrel 1; A feeding device 7, which is used to evenly discharge the material into the mixing barrel 1; The support sleeve 2 is sleeved on the outside of the mixing barrel 1, and two groups of discharge pipes 3 are provided. The two groups of discharge pipes 3 are symmetrically distributed at the bottom of the mixing barrel 1. The stirring device 6 penetrates the mixing barrel 1 and is rotatably connected to the bottom of the mixing barrel 1 through a sealed bearing. The bottom of the stirring device 6 is fixedly connected to the top of the base 5. The top of the feeding device 7 penetrates the mixing barrel 1 and is fixedly connected to the top of the mixing barrel 1. Wherein, the stirring device 6 comprises: A rotating sleeve 61, a sliding opening 62 is provided on the outer side of the rotating sleeve 61, a rotating support rod 63 is fixedly connected to the top of the rotating sleeve 61, a rotating shaft 64 is fixedly connected to the bottom of the rotating sleeve 61, and a driving motor 65 is fixedly connected to the bottom of the rotating shaft 64; The annular plate 66 has a connecting bracket 67 fixedly connected to the outer side of the annular plate 66, and a spiral stirring plate 68 fixedly connected to one end of the connecting bracket 67 away from the annular plate 66; The moving device 69 controls the spiral stirring plate 68 to move up and down.
[0021] There are multiple groups of sliding openings 62, the bottom of the driving motor 65 is fixedly connected to the top of the base 5, the output end of the driving motor 65 passes through the bottom of the mixing barrel 1 and is rotatably connected to the bottom of the mixing barrel 1 through a sealed bearing, the annular plate 66 is sleeved on the outside of the rotating sleeve 61, and two groups of annular plates 66 are provided, and the two groups of annular plates 66 are evenly distributed on the outside of the rotating sleeve 61, the top of the rotating support rod 63 is fixedly connected to the bottom of the feeding device 7, and the outside of the moving device 69 is fixedly connected to the inner wall of the rotating sleeve 61.
[0022] The stirring device 6 also includes a guide port 610 , the inner wall of which is rotatably connected to a rotating column 611 via a rolling bearing, a connecting plate 612 is fixedly connected to the outer side of the rotating column 611 , and a flipping plate 613 is fixedly connected to the side of the connecting plate 612 away from the rotating column 611 .
[0023] There are multiple groups of connecting plates 612 , which are evenly distributed on the outside of the rotating column 611 . There are multiple groups of guide ports 610 , which are symmetrically arranged on the spiral stirring plate 68 .
[0024] The moving device 69 includes an electric slide rail 691 , the interior of which is slidably connected to a moving bracket 692 via an electric slider, and a sealing baffle 693 is sleeved and fixedly connected to the moving bracket 692 .
[0025] One side of the sealing baffle 693 is slidably connected to the inner wall of the rotating sleeve 61 , both ends of the movable bracket 692 pass through the sliding opening 62 and are fixedly connected to the inner wall of the annular plate 66 , and multiple groups of movable brackets 692 are provided and correspond one to one with the annular plates 66 .
[0026] During use, the operator pours the material into the feeding device 7 and discharges the material into the mixing barrel 1 through the feeding device 7, and then adds another material into the mixing barrel 1 through the feeding device 7, turns on the driving motor 65 to drive the rotating shaft 64 to rotate, the rotating shaft 64 drives the rotating sleeve 61 to rotate, the rotating sleeve 61 drives the annular plate 66 to rotate through the moving device 69, the annular plate 66 drives the spiral stirring plate 68 to rotate through the connecting bracket 67, and the rotating spiral stirring plate 68 can stir and mix the materials in the mixing barrel 1. In the process of mixing the materials, the spiral stirring plate 68 is lifted When the spiral stirring plate 68 lifts the material in the mixing barrel 1, part of the material slides along the surface of the spiral stirring plate 68 through the guide port 610 and passes through the inside of the guide port 610. When the material passes through the guide port 610, it squeezes the flipping plate 613, and the flipping plate 613 is pushed to drive the rotating column 611 to rotate. When the rotating column 611 rotates, it drives multiple groups of flipping plates 613 to rotate through the connecting plate 612. The rotation of the flipping plate 613 can stir the material in a local area of the mixing barrel 1 to improve the uniformity of mixing, and the mixed material can be discharged from the discharge pipe 3.
[0027] When the electric slide rail 691 is turned on, the movable bracket 692 is driven to move through the internal electric slider, and the movable bracket 692 drives the annular plate 66 to move. The annular plate 66 drives the spiral stirring plate 68 to move up and down through the connecting bracket 67. When the spiral stirring plate 68 moves, the material can produce up and down fluctuations, thereby enhancing the mixing effect of the material in the vertical direction.
[0028] For the second embodiment, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of embodiment 1, the feeding device 7 includes a feeding barrel 71, the top of the feeding barrel 71 is located at the center position and is connected to a feeding pipe 72, the bottom of the feeding barrel 71 is located at the center position and is provided with a mounting port 73, the inner wall of the mounting port 73 is rotatably connected to a rotating disk 74 through a sealed bearing, the outer side of the rotating disk 74 is fixedly connected to a stirring plate 75, the outer side of the rotating support rod 63 is fixedly connected to a bottom plate 76 near the rotating disk 74, the top of the bottom plate 76 is fixedly connected to a positioning plate 77 through a bracket, the top of the positioning plate 77 is rotatably connected to a rolling ball 78 through a rotating bracket, the top of the positioning plate 77 is located at the center position and is fixedly connected to a blocking plate 79 through a bracket, and the bottom of the feeding barrel 71 is evenly provided with discharge ports 710.
[0029] The bottom of the rotating disk 74 is fixedly connected to the top of the rotating support rod 63, multiple groups of stirring plates 75 are provided, and the multiple groups of stirring plates 75 are evenly distributed on the outside of the rotating disk 74, and multiple groups of bottom plates 76 are provided, and the multiple groups of bottom plates 76 are evenly distributed on the outside of the rotating support rod 63.
[0030] The top of the feed cylinder 71 is fixedly connected to the top of the inner wall of the mixing cylinder 1 , the feed pipe 72 passes through the mixing cylinder 1 and is fixedly connected to the top of the mixing cylinder 1 , and multiple groups of rolling balls 78 are provided.
[0031] When in use, material is added to the feed barrel 71 through the feed pipe 72. When the driving motor 65 is turned on, the rotating sleeve 61 drives the rotating support rod 63 to rotate. The rotating support rod 63 drives the positioning plate 77 to move through the bottom plate 76. The positioning plate 77 moves along the bottom of the feed barrel 71 through the rolling ball 78. When the positioning plate 77 moves, it drives the blocking plate 79 to block the discharge port 710, and the unblocked discharge port 710 can discharge the material into the mixing barrel 1. Since there are multiple groups of discharge ports 710, the multiple groups of discharge ports 710 can be used to evenly add the material to the mixing barrel 1, so that the material is more evenly distributed in the mixing space, increasing the contact area with other materials, making it easier to be stirred in all directions, and avoiding the accumulation of materials in the same position affecting the uniformity of mixing.
[0032] When the rotatable support rod 63 rotates, the rotating disk 74 is driven to rotate, and the rotating disk 74 drives the stirring plate 75 to stir the material in the feeding barrel 71 to prevent the material entering the feeding barrel 71 from settling and stratifying, thereby effectively improving the mixing efficiency.
[0033] Working principle: The operator pours the material into the feeding device 7 and discharges the material into the mixing barrel 1 through the feeding device 7, and then adds another material into the mixing barrel 1 through the feeding device 7, turns on the driving motor 65 to drive the rotating shaft 64 to rotate, the rotating shaft 64 drives the rotating sleeve 61 to rotate, the rotating sleeve 61 drives the annular plate 66 to rotate through the moving device 69, the annular plate 66 drives the spiral stirring plate 68 to rotate through the connecting bracket 67, and the rotating spiral stirring plate 68 can stir and mix the materials in the mixing barrel 1. In the process of mixing the materials, the spiral stirring plate 68 The spiral stirring plate 68 lifts the material in the mixing barrel 1. When the spiral stirring plate 68 lifts the material upward, part of the material slides along the surface of the spiral stirring plate 68 through the guide port 610 and passes through the inside of the guide port 610. When the material passes through the guide port 610, the material flipping plate 613 is squeezed. The flipping plate 613 is pushed to drive the rotating column 611 to rotate. When the rotating column 611 rotates, it drives multiple groups of flipping plates 613 to rotate through the connecting plate 612. The material in a local area of the mixing barrel 1 can be stirred by the rotation of the flipping plate 613. The electric slide rail 691 is turned on to pass through The internal electric slider drives the moving bracket 692 to move, and the moving bracket 692 drives the annular plate 66 to move. The annular plate 66 drives the spiral stirring plate 68 to move up and down through the connecting bracket 67. When the spiral stirring plate 68 moves, the material can fluctuate up and down. The material is added into the feeding barrel 71 through the feeding pipe 72. When the driving motor 65 is turned on, the rotating sleeve 61 drives the rotating support rod 63 to rotate. The rotating support rod 63 drives the positioning plate 77 to move through the bottom plate 76. The positioning plate 77 moves along the bottom of the feeding barrel 71 through the rolling ball 78. When 77 moves, it drives the blocking plate 79 to block the discharge port 710, while the unblocked discharge port 710 can discharge the material into the mixing barrel 1. Since there are multiple groups of discharge ports 710, the multiple groups of discharge ports 710 can be used to evenly add the material into the mixing barrel 1, so that the material is more evenly distributed in the stirring space. When the rotating support rod 63 rotates, it drives the rotating disk 74 to rotate, and the rotating disk 74 drives the stirring plate 75 to stir the material in the feeding barrel 71 to avoid sedimentation and stratification of the material entering the feeding barrel 71. The mixed material can be discharged from the discharge pipe 3.
[0034] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.
Claims
1. A mixing device for casting a multi-winding dry-type transformer, characterized in that: include: A mixing barrel (1), the outer side of the mixing barrel (1) being fixedly connected to a support sleeve (2) via a bracket, the bottom of the mixing barrel (1) being connected to a discharge pipe (3), the outer side of the support sleeve (2) being fixedly connected to a reinforcement plate (4), the bottom of the reinforcement plate (4) being fixedly connected to a base (5); A stirring device (6), the stirring device (6) is used to stir and mix the materials in the mixing barrel (1); A feeding device (7), the feeding device (7) is used to uniformly discharge the material into the mixing barrel (1); The support sleeve (2) is sleeved on the outside of the mixing barrel (1), two groups of discharge pipes (3) are provided, and the two groups of discharge pipes (3) are symmetrically distributed at the bottom of the mixing barrel (1), the stirring device (6) passes through the mixing barrel (1) and is rotatably connected to the bottom of the mixing barrel (1) through a sealed bearing, the bottom of the stirring device (6) is fixedly connected to the top of the base (5), and the top of the feeding device (7) passes through the mixing barrel (1) and is fixedly connected to the top of the mixing barrel (1); Wherein, the stirring device (6) comprises: A rotating sleeve (61), wherein a sliding opening (62) is provided on the outer side of the rotating sleeve (61), a rotating support rod (63) is fixedly connected to the top of the rotating sleeve (61), a rotating shaft (64) is fixedly connected to the bottom of the rotating sleeve (61), and a driving motor (65) is fixedly connected to the bottom of the rotating shaft (64); An annular plate (66), wherein an outer side of the annular plate (66) is fixedly connected to a connecting bracket (67), and an end of the connecting bracket (67) away from the annular plate (66) is fixedly connected to a spiral stirring plate (68); A moving device (69) is used to control the spiral stirring plate (68) to move up and down.
2. The mixing equipment for casting a multi-winding dry-type transformer according to claim 1 is characterized in that: The sliding opening (62) is provided with a plurality of groups. The bottom of the driving motor (65) is fixedly connected to the top of the base (5). The output end of the driving motor (65) passes through the bottom of the mixing barrel (1) and is rotatably connected to the bottom of the mixing barrel (1) via a sealing bearing. The annular plate (66) is sleeved on the outside of the rotating sleeve (61). Two groups of the annular plates (66) are provided. The two groups of the annular plates (66) are evenly distributed on the outside of the rotating sleeve (61). The top of the rotating support rod (63) is fixedly connected to the bottom of the feeding device (7). The outside of the moving device (69) is fixedly connected to the inner wall of the rotating sleeve (61).
3. The mixing equipment for casting a multi-winding dry-type transformer according to claim 1, characterized in that: The stirring device (6) further comprises a guide port (610), the inner wall of the guide port (610) being rotatably connected to a rotating column (611) via a rolling bearing, a connecting plate (612) being fixedly connected to the outer side of the rotating column (611), and a turning plate (613) being fixedly connected to a side of the connecting plate (612) away from the rotating column (611).
4. The mixing equipment for casting a multi-winding dry-type transformer according to claim 3 is characterized in that: The connecting plates (612) are provided in multiple groups, and the multiple groups of connecting plates (612) are evenly distributed on the outside of the rotating column (611). The flow guide ports (610) are provided in multiple groups, and the multiple groups of flow guide ports (610) are symmetrically provided on the spiral stirring plate (68).
5. The mixing equipment for casting a multi-winding dry-type transformer according to claim 1, characterized in that: The moving device (69) comprises an electric slide rail (691), the interior of the electric slide rail (691) being slidably connected to a moving bracket (692) via an electric slider, and a sealing baffle (693) being sleeved on and fixedly connected to the moving bracket (692).
6. The mixing equipment for casting a multi-winding dry-type transformer according to claim 5, characterized in that: One side of the sealing baffle (693) is slidably connected to the inner wall of the rotating sleeve (61), both ends of the movable bracket (692) pass through the sliding opening (62) and are fixedly connected to the inner wall of the annular plate (66), and a plurality of groups of the movable brackets (692) are provided and correspond one to one with the annular plates (66).
7. The mixing equipment for casting a multi-winding dry-type transformer according to claim 1, characterized in that: The feeding device (7) comprises a feeding barrel (71), the top of the feeding barrel (71) is located at the center and connected to a feeding pipe (72), the bottom of the feeding barrel (71) is located at the center and is provided with a mounting opening (73), the inner wall of the mounting opening (73) is rotatably connected to a rotating disk (74) via a sealed bearing, the outer side of the rotating disk (74) is fixedly connected to a stirring plate (75), the outer side of the rotating support rod (63) is fixedly connected to a bottom plate (76) near the rotating disk (74), the top of the bottom plate (76) is fixedly connected to a positioning plate (77) via a bracket, the top of the positioning plate (77) is rotatably connected to a rolling ball (78) via a rotating bracket, the top of the positioning plate (77) is located at the center and is fixedly connected to a blocking plate (79) via a bracket, and the bottom of the feeding barrel (71) is evenly provided with discharge openings (710).
8. The mixing equipment for casting a multi-winding dry-type transformer according to claim 7, characterized in that: The bottom of the rotating disk (74) is fixedly connected to the top of the rotating support rod (63); a plurality of groups of stirring plates (75) are provided, and the plurality of groups of stirring plates (75) are evenly distributed on the outside of the rotating disk (74); and a plurality of groups of bottom plates (76) are provided, and the plurality of groups of bottom plates (76) are evenly distributed on the outside of the rotating support rod (63).
9. The mixing equipment for casting a multi-winding dry-type transformer according to claim 7, characterized in that: The top of the feeding cylinder (71) is fixedly connected to the top of the inner wall of the mixing cylinder (1), the feeding pipe (72) passes through the mixing cylinder (1) and is fixedly connected to the top of the mixing cylinder (1), and a plurality of groups of rolling balls (78) are provided.