A motor stator coil glue filling equipment

Abstract

This invention relates to a motor stator coil potting device, belonging to the technical field of motor processing equipment. It includes a worktable and a potting mold base mounted on the worktable, an upper clamping block mounted on the potting mold base for pressing the top of the inner coil of the coil before potting, and a peripheral clamping assembly for pressing the top of the outer coil of the coil. The potting mold base includes a base plate, a sheath, and a mold core. The sheath and mold core surround to form a potting groove for coil installation and potting. The peripheral clamping assembly includes a peripheral cone block and a peripheral pressing block. The interior of the peripheral cone block has a deformable conical surface with an inner diameter gradually increasing from top to bottom, so as to squeeze the sheath and generate deformation in the axial direction during downward pressing. When the peripheral clamping assembly and the upper clamping block are removed, the sheath will recover its deformation to facilitate coil removal. The above structure makes the coil potting effect better and the coil demolding effort less.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor processing equipment, in particular to a motor stator coil glue filling equipment. BACKGROUND

[0002] The motor stator coil glue filling equipment is a professional automatic equipment specially used for insulating, heat conducting and fixing and packaging of the motor stator coil. After two-component glue (such as epoxy resin and polyurethane) is mixed in a precise proportion, it is quantitatively and fixedly filled into the gap between the stator coils to form a stable insulation protective layer.

[0003] The existing motor stator coil glue filling equipment mainly comprises a workbench and a glue filling mold base installed on the workbench, and the glue filling mold base has a glue filling groove for placing the coil and filling glue. During work, the glue filling mold base is placed on the workbench, the coil is placed in the coil groove, and then the glue is filled into the glue filling groove. After the coil is formed, the coil is taken out by workers.

[0004] The above structure cannot effectively press the coil during glue filling, so that the coil inside may be inclined or floating, and the coil glue filling effect is poor. At the same time, since the glue is adhered to the wall of the glue filling groove after solidification, the workers spend a lot of time and effort to take out the coil, and the surface of the coil is also easily damaged, which greatly reduces the quality of the coil. SUMMARY

[0005] In order to make the coil glue filling effect better and make the coil demolding more labor-saving, the present application provides a motor stator coil glue filling equipment.

[0006] The present application provides a motor stator coil glue filling equipment, which adopts the following technical scheme: A motor stator coil glue filling equipment comprises a workbench and a glue filling mold base installed on the workbench and used for coil glue filling and forming, and further comprises an upper pressing block installed on the glue filling mold base and used for pressing the top of the inner circle of the coil before the coil is glued, and a peripheral pressing assembly used for pressing the top of the outer circle of the coil; The glue filling mold base comprises a bottom plate installed on the workbench, a sheath installed on the bottom plate, and a mold core coaxially installed at the center of the sheath; the sheath and the mold core surround a glue filling groove for installing and gluing the coil; The peripheral pressing assembly comprises a peripheral taper block sleeved outside the sheath and a peripheral pressing block installed on the peripheral taper block and abutting against the top of the coil; The peripheral taper block has a deformation taper surface with an increasing inner diameter from top to bottom, so as to extrude the sheath and produce deformation in the direction of the shaft center during downward pressing; When the peripheral clamping assembly and the upper clamping block are removed, the sheath will restore its deformation to facilitate the removal of the coil when it is removed.

[0007] By adopting the above technical solution, the upper clamping block and the outer clamping assembly press the coil in the potting tank, and the deformation of the outer cone block squeezes the sheath, thereby preventing the coil from tilting or floating during potting. At the same time, the deformation of the sheath in the axial direction improves the sealing of the potting tank, making it difficult for the potted glue to leak to other places, ensuring the consistency of the coil packaging. Furthermore, by removing the outer clamping assembly and the upper clamping block, the sheath will restore its deformation, creating a gap between the coil and the potting tank for easy removal of the coil.

[0008] Optionally, a drive box is installed on one side of the workbench. The drive box is equipped with a lifting and flipping mechanism for driving the dispensing mold base to lift and flip, and a rotating lifting mechanism for driving the upper pressing block and the peripheral pressing assembly to rotate and lift synchronously and to strike the flipped dispensing mold base during lifting. The lifting and tilting mechanism includes a rotating rod mounted on the glue-filling mold base, a helical gear assembly disposed in the drive box and used to drive the rotating rod to rotate, a first threaded rod rotatably mounted on the helical gear assembly, a threaded cylinder threaded to the first threaded rod and used to drive the helical gear assembly and the rotating rod to lift and lower, a rotating component mounted on the first threaded rod and used to drive the helical gear assembly to rotate after lifting and lowering, and a first motor mounted in the drive box and used to drive the first threaded rod to rotate.

[0009] By adopting the above technical solution, when the coil is removed, the lifting and flipping mechanism drives the glue-filling mold base to lift and flip. The rotating lifting mechanism synchronously drives the peripheral pressing component and the upper pressing block to rotate and lift in a cycle, so as to knock on the flipped glue-filling mold base to achieve demolding by knocking vibration. Under the action of the coil's gravity, the coil is detached from the glue-filling mold base to achieve complete demolding, which solves the problems of time-consuming and laborious manual removal and easy damage to the coil.

[0010] Optionally, the helical gear assembly includes a rotating cylinder rotatably mounted on the first threaded rod, a first helical gear mounted on the rotating cylinder, and a second helical gear mounted on the rotating rod and meshing with the first helical gear; The rotating cylinder has a connecting groove that matches the threaded cylinder, so that when the first threaded rod drives the threaded cylinder to rise and fall to the connecting groove, the rotating cylinder is pushed to rise and fall together.

[0011] By adopting the above technical solution, when the first threaded rod drives the threaded cylinder connected to it to rise and fall to the connecting groove of the rotating cylinder, it drives the rotating cylinder to rise and fall synchronously, thereby driving the rotating rod and the glue dispensing mold base to rise and fall synchronously.

[0012] Optionally, a limit assembly is provided between the rotating cylinder and the rotating rod to drive the rotating rod to move up and down together when the helical gear assembly moves up and down; The limiting assembly includes a limiting frame installed between the rotating rod and the rotating cylinder, a limiting cylinder rotatably installed on the limiting frame and mounted with the second helical gear, and a limiting ring installed on the rotating cylinder and movably abutting against the limiting frame.

[0013] By adopting the above technical solution, the limiting ring and the limiting frame are in contact. Therefore, when the threaded cylinder pushes the rotating cylinder to rise and fall, the limiting ring on the rotating cylinder will simultaneously squeeze the limiting frame. In turn, the limiting cylinder drives the rotating rod and the glue-filling mold base to rise and fall together, so as to ensure that the rising and falling action of the glue-filling mold base is completely synchronized with the helical gear assembly. At the same time, when flipping, the first helical gear drives the second helical gear to rotate, and the limiting cylinder rotates freely within the limiting frame without driving the limiting frame and the rotating cylinder to rotate synchronously.

[0014] Optionally, the rotating assembly includes a rotating disk mounted on the first threaded rod and a first connecting key structure connecting the rotating disk and the first threaded rod; The first connecting key structure is used to drive the rotating disk to rotate during lifting and lowering; the rotating disk is provided with a plug slot that matches the rotating cylinder, so as to drive the rotating cylinder to rotate when the rotating cylinder is lifted and lowered to the plug slot.

[0015] By adopting the above technical solution, the first connecting key structure allows the rotating disk to rotate synchronously with the first threaded rod, and can also be raised and lowered on the first threaded rod. Therefore, when the rotating cylinder rises with the threaded cylinder into the insertion slot of the rotating disk, the rotating disk will drive the rotating cylinder to rotate together, thereby driving the helical gear assembly to drive the dispensing mold base to flip.

[0016] Optionally, the rotary lifting mechanism includes a connecting rod mounted on the upper clamping block, a connecting column mounted on the connecting rod and connected to the peripheral clamping assembly, an arc-shaped plate slidably mounted in the drive box and rotatably connected to the connecting rod, a second threaded rod mounted in the drive box for driving the arc-shaped plate to move up and down, a second motor mounted in the drive box for driving the second threaded rod to rotate, and a synchronization assembly for driving the connecting rod and the second threaded rod to rotate synchronously.

[0017] By adopting the above technical solution, when the second motor drives the second threaded rod to rotate, it drives the arc-shaped plate connected to it to rise and fall vertically, thereby driving the connecting rod, the upper pressing block, and the peripheral pressing assembly to rise and fall synchronously. On the other hand, the synchronous component drives the connecting rod and the second threaded rod to rotate synchronously, driving the upper pressing block and the peripheral pressing assembly to rotate synchronously with the connecting rod, so that the connecting rod, the upper pressing block, and the peripheral pressing assembly can rotate and rise and fall.

[0018] Optionally, the synchronization assembly includes a synchronization pulley mounted on the connecting rod and the second threaded rod, and a synchronization belt for driving the two synchronization pulleys to rotate synchronously; The second threaded rod is connected to the synchronous pulley mounted on the second threaded rod by a second connecting key structure so that the synchronous pulley can rotate when it is raised or lowered.

[0019] By adopting the above technical solution, when the second motor drives the second threaded rod to rotate, the synchronous pulley on the connecting rod will rotate synchronously through the linkage of the synchronous belt, thereby realizing the synchronous rotation of the second threaded rod and the connecting rod. At the same time, the second connecting key structure ensures that the synchronous pulley rotates synchronously with the second threaded rod, and also allows the synchronous pulley to move freely up and down along the axial direction of the second threaded rod. This allows the synchronous pulley to move up and down synchronously with the connecting rod and rotate when the second threaded rod rotates and drives the arc plate and the connecting rod to rise and fall.

[0020] Optionally, a heat-conducting cavity is provided in the glue-filling mold base, and a heat-conducting tank is installed in the heat-conducting cavity to facilitate the injection of hot water into the heat-conducting tank to accelerate the coil forming time; a sealing valve structure is provided at the water inlet of the heat-conducting tank. The sealing valve structure includes a support plate installed inside the heat transfer tank, a sealing valve core slidably installed at the water inlet of the heat transfer tank, and a first compression spring installed between the support plate and the sealing valve core. The first compression spring drives the sealing valve core to always tend to insert into the inlet of the heat transfer tank for sealing.

[0021] By adopting the above technical solution, when hot water is injected into the heat conduction tank, the heat can be quickly conducted to the area around the glue tank, directly acting on the coil and the glue to accelerate the curing reaction of the glue. At the same time, when hot water is injected, the water pressure can easily overcome the elastic force of the first pressure spring, pushing the sealing valve core to slide, so that the hot water can smoothly enter the heat conduction tank. After the water intake is completed, the sealing valve core automatically resets and seals, preventing hot water leakage.

[0022] Optionally, a compression assembly is connected between the connecting rod and the upper clamping block to drive the peripheral clamping assembly to continue to move up and down to clamp the coil when the upper clamping block clamps the coil; The compression assembly includes a compression disc mounted on the connecting rod and a second compression spring connected between the compression disc and the upper clamping block; the second compression spring causes the upper clamping block to always tend to press against the dispensing mold base.

[0023] By adopting the above technical solution, when the rotating lifting mechanism drives the whole body to descend, the upper clamping block first comes into contact with the inner coil of the coil and is tightened and positioned. At this time, the compression plate continues to descend with the connecting rod, the second compression spring is compressed and generates elastic force, which pushes the outer clamping component to continue to descend until it comes into contact with the outer coil of the coil. With the conical extrusion effect of the outer clamping component, the sealing performance of the glue potting tank is greatly improved, preventing the glue from being lost before curing, and avoiding the coil from shifting during the glue potting process.

[0024] Optionally, the upper clamping block has a water inlet channel inside, and the outlet of the water inlet channel is connected to the water inlet of the heat-conducting tank; the water inlet of the connecting rod is equipped with a water inlet pipe, and the outlet of the connecting rod is connected to the water inlet of the water inlet channel, so as to transport external hot water to the heat-conducting tank through the water inlet pipe; A drainage assembly for draining water from the heat-conducting tank is provided between the workbench and the glue-dispensing mold base; the drainage assembly includes a drain pipe passing through the workbench and an ejector pin installed in the drain pipe for opening the sealing valve structure.

[0025] By adopting the above technical solution, when water is introduced, external hot water is input through the inlet pipe. The water pressure overcomes the elastic force of the first compression spring and pushes the sealing valve core to slide, so that the hot water can directly enter the heat transfer tank. When draining, the lifting action of the glue-filling mold base causes the ejector pin in the drain pipe to push open the sealing valve core, so that the water inlet of the heat transfer tank is connected to the drain pipe to drain the water in the heat transfer tank.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The coil inside the potting tank is pressed by the upper clamping block and the outer clamping assembly. The deformation of the outer cone block squeezes the sheath, thereby preventing the coil from tilting or floating during potting. At the same time, the deformation of the sheath in the axial direction improves the sealing of the potting tank, making it difficult for the potted glue to leak to other places, ensuring the consistency of the coil packaging. By removing the outer clamping assembly and the upper clamping block, the sheath will restore its deformation, creating a gap between the coil and the potting tank for easy removal of the coil. 2. The lifting and flipping mechanism drives the dispensing mold base to lift and flip. The rotating lifting mechanism synchronously drives the peripheral pressing components and the upper pressing block to rotate and lift in a cycle, so as to knock the flipped dispensing mold base to achieve demolding by knocking vibration. Under the action of the coil gravity, the coil is detached from the dispensing mold base to achieve complete demolding. This solves the problems of time-consuming and laborious manual removal and easy damage to the coil. 3. By injecting hot water into the heat conduction tank, the water pressure can easily overcome the elastic force of the first compression spring, pushing the sealing valve core to slide, allowing the hot water to smoothly enter the heat conduction tank, thereby enabling the heat to be quickly conducted to the area around the glue pot, directly acting on the coil and the glue to accelerate the curing reaction of the glue. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a motor stator coil potting equipment; Figure 2 This is an overall sectional view of a motor stator coil potting equipment; Figure 3 This is a cross-sectional view of the glue dispensing mold base; Figure 4 This is a schematic diagram of the rotary lifting mechanism; Figure 5 yes Figure 2 A magnified view of part A in the middle; Figure 6 yes Figure 2 A magnified view of part B in the middle section; Figure 7 yes Figure 2 A magnified view of part C in the middle; Figure 8 This is a structural diagram of the lifting and tilting mechanism; Figure 9 This is a structural diagram of the helical gear assembly and the limiting assembly.

[0028] The parts referred to by the numbers in the above attached figures are as follows: 1. Workbench; 11. Glue-dispensing mold base; 111. Base plate; 112. Sheath; 113. Mold core; 114. Glue-dispensing groove; 12. Upper clamping block; 121. Water inlet channel; 13. Peripheral clamping assembly; 131. Peripheral cone block; 132. Peripheral pressure block; 14. Compression assembly; 141. Compression disc; 142. Second compression spring; 15. Heat conduction cavity; 16. Heat conduction tank; 17. Sealing valve structure; 171. Support plate; 172. Sealing valve core; 173. First compression spring; 174. Support block; 175. Sealing gasket; 18. Temperature sensor; 19. Rubber protective pad; 2. Drive box; 21. Sliding hole; 22. Partition plate; 23. Waist-shaped hole; 3. Rotary lifting mechanism; 31. Connecting rod; 311. Water inlet 32. Pipe; 33. Connecting column; 34. Arc plate; 35. Second threaded rod; 36. Second motor; 37. Synchronization assembly; 38. Synchronization pulley; 39. Synchronization belt; 40. Connecting plate; 31. Connecting ring; 42. Second connecting key structure; 41. Lifting and flipping mechanism; 42. Rotating rod; 43. Helical gear assembly; 44. Rotating cylinder; 45. First helical gear; 46. Second helical gear; 47. First threaded rod; 48. Threaded cylinder; 49. Rotating assembly; 40. Rotating disk; 41. First connecting key structure; 42. First motor; 47. Limiting assembly; 48. Limiting frame; 49. Limiting cylinder; 40. Limiting ring; 41. Connecting block; 42. Lifting plate; 40. Guide plate; 51. Drainage assembly; 52. Drainage pipe; 53. Ejector pin; 54. Rectangular block. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0030] This invention discloses a device for potting glue onto motor stator coils.

[0031] Reference Figure 1 , Figure 2 as well as Figure 3A motor stator coil potting device includes a worktable 1, a potting mold base 11, an upper clamping block 12, and a peripheral clamping assembly 13. The potting mold base 11 includes a base plate 111, a sheath 112, and a mold core 113. The base plate 111 is mounted on the worktable 1, the sheath 112 is fixedly mounted on the base plate 111, and the mold core 113 is coaxially fixedly mounted at the center of the sheath 112. The sheath 112 and the mold core 113 surround each other to form a potting groove 114 for coil mounting and potting. The mold core 113 has a threaded groove for rotating the upper clamping block 12, allowing the upper clamping block 12 to be mounted on the mold core 113 and used to clamp the top of the inner coil before potting. The peripheral clamping assembly 13 includes a peripheral cone block 131 and a peripheral pressure block 132. The outer cone block 131 has a deformable cone surface with an inner diameter that gradually increases from top to bottom. This surface compresses the sheath 112 during downward pressing, causing it to deform towards the axis, improving sealing and preventing the injected adhesive from leaking to other locations. The outer pressure block 132 is used to press the top of the outer coil. The outer cone block 131 is fitted onto the outside of the sheath 112, and the outer pressure block 132 is mounted on the outer cone block 131 and fixed with bolts.

[0032] A drive box 2 is fixedly installed on one side of the workbench 1. The drive box 2 contains a lifting and flipping mechanism 4 and a rotating lifting mechanism 3. The lifting and flipping mechanism 4 is used to drive the glue-filling mold base 11 to lift and flip, so as to facilitate the removal of the molded coil. The rotating lifting mechanism 3 is used to drive the upper clamping block 12 and the outer clamping assembly 13 to rotate and lift synchronously, so that when the coil is removed, the upper clamping block 12 and the outer clamping assembly 13 can release the clamping of the coil. After the glue-filling mold base 11 is flipped, the upper clamping block 12 and the outer clamping assembly 13 are controlled to cyclically lift and lower to knock the mold base, so that the coil can be demolded more easily and completely.

[0033] During operation, the glue-filling mold base 11 is first installed on the workbench 1. Then, the coil is placed in the glue-filling tank 114. The upper clamping block 12 is driven down along the thread by the rotary lifting mechanism 3 until it is tightly fitted with the upper end face of the coil. The outer cone block 131 and the outer pressure block 132 are then fitted onto the outside of the sheath 112 to press the coil. At the same time, because the outer cone block 131 has a deformable cone surface with an inner diameter that gradually increases from top to bottom, it compresses the sheath 112 during the downward pressing process, causing deformation in the axial direction to improve the sealing performance and prevent the injected glue from leaking to other positions. At this time, the pre-prepared glue is injected into the glue-filling tank 114. After the glue has cured, the rotary lifting mechanism 3 is activated again, driving the upper clamping block 12 and the outer pressure assembly 13 to rotate and rise synchronously, releasing the pressure on the coil and allowing the sheath 112 to recover its deformation so that the coil can be easily removed when it is taken off. Subsequently, the lifting and flipping mechanism 4 is activated, driving the glue-filling mold base 11 to lift and flip. At the same time, the rotating lifting mechanism 3 drives the upper clamping block 12 and the outer clamping component 13 to rotate and lift in a cycle, striking the flipped glue-filling mold base 11. Under the impact of the vibration and the weight of the coil, the coil is dislodged from the glue-filling mold base 11, thus achieving complete demolding.

[0034] Reference Figure 2 as well as Figure 4 The rotary lifting mechanism 3 includes a connecting rod 31, a connecting column 32, an arc plate 33, a second threaded rod 34, a second motor 35, and a synchronization assembly 36. The synchronization assembly 36 includes two synchronous pulleys 361 and a synchronous belt 362 that drives the two synchronous pulleys 361 to rotate synchronously.

[0035] One end of the connecting rod 31 near the dispensing mold base 11 is mounted on the upper clamping block 12. A connecting plate 37 is fixedly mounted on the connecting rod 31. The end of the connecting column 32 away from the dispensing mold base 11 is fixedly mounted on the side of the connecting plate 37 near the dispensing mold base 11. The end of the connecting column 32 near the dispensing mold base 11 is fixedly mounted on the outer clamping assembly 13. A sliding hole 21 is provided on the drive box 2 for the arc plate 33 to slide, thereby limiting the movement of the arc plate 33 and providing vertical guidance. The connecting rod 31 is rotatably mounted on the arc plate 33. Two connecting rings 38 are fixedly mounted on the outer side of the connecting rod 31. The sides of the two connecting rings 38 that are close to each other move and abut against the outer side of the arc plate 33, making the connecting rod 31 more stable when rotating. The second threaded rod 34 is rotatably mounted in the drive box 2 and is threadedly connected to the arc plate 33 to drive the arc plate 33 to rise and fall. A partition plate 22 is fixedly installed inside the drive box 2. The second motor 35 is fixedly installed on the partition plate 22. The output end of the second motor 35 is fixedly connected to the second threaded rod 34 through a coupling so as to drive the second threaded rod 34 to rotate.

[0036] Two synchronous pulleys 361 are fixedly mounted on the second threaded rod 34 and the connecting rod 31, respectively. A synchronous belt 362 passes through a sliding hole 21, so that when the second threaded rod 34 rotates, the connecting rod 31 is driven to rotate synchronously via the synchronous belt 362 and the synchronous pulleys 361. A second connecting key structure 39 connects the second threaded rod 34 and the synchronous pulleys 361. The second connecting key structure 39 includes a key and a keyway. The keyway is formed on the second threaded rod 34, and the key is installed in the keyway to allow the synchronous pulleys 361 to move on the second threaded rod 34.

[0037] Reference Figure 3 as well as Figure 5 A compression assembly 14 is connected between the connecting rod 31 and the upper clamping block 12 to drive the peripheral clamping assembly 13 to continue lifting and pressing the coil while the upper clamping block 12 is pressing the coil. The compression assembly 14 includes a compression disc 141 and a second compression spring 142. The compression disc 141 is mounted on the connecting rod 31 and fixed with bolts, and the second compression spring 142 is fixedly connected between the compression disc 141 and the upper clamping block 12. The second compression spring 142 drives the upper clamping block 12 to always tend to press the potting mold base 11.

[0038] During operation, when it is necessary to press the dispensing mold base 11, the second motor 35 drives the upper pressing block 12 and the peripheral pressing assembly 13 to rotate and approach the dispensing mold base 11. After the upper pressing block 12 is rotated and fixed with the dispensing mold base 11, the peripheral pressing assembly 13 has not yet pressed the dispensing mold base 11. At this time, the second motor 35 continues to drive the compression plate 141 and the connecting rod 31 to continue to descend. The second compression spring 142 begins to compress, pushing the peripheral pressing assembly 13 to descend until the peripheral pressing block 132 is in contact with the end face of the dispensing mold base 11. The elastic force of the second compression spring 142 is used to achieve continuous pressing, avoid rigid impact, and make the pressing tighter.

[0039] When the coil needs to be removed, the second motor 35 is restarted to drive the second threaded rod 34 to rotate. The rotation of the second threaded rod 34 drives the connecting rod 31 to rotate via the synchronous pulley 361 and synchronous belt 362. This rotation of the second threaded rod 34 drives the arc-shaped plate 33 to rise and fall along the sliding hole 21. The rising and falling of the arc-shaped plate 33 drives the connecting rod 31 to rise and fall, further driving the upper clamping block 12 and the outer clamping assembly 13 to rise and fall, so that the upper clamping block 12 and the outer clamping assembly 13 no longer clamp the coil, facilitating its removal. Simultaneously, the second connecting key structure 39 allows the synchronous pulley 361 to move on the second threaded rod 34, ensuring that the synchronous pulley 361 continues to rotate synchronously with the second threaded rod 34 after movement.

[0040] Reference Figure 3 as well as Figure 6A heat-conducting cavity 15 is provided inside the potting mold base 11, and a heat-conducting tank 16 is installed inside the heat-conducting cavity 15 to facilitate the injection of hot water into the heat-conducting tank 16 to accelerate the coil forming time. A sealing valve structure 17 is provided at the water inlet of the heat-conducting tank 16. A temperature sensor 18 is provided inside the heat-conducting tank 16 and electrically connected to the drive box 2 to observe the water temperature inside the heat-conducting tank 16, thereby facilitating the control of water discharge.

[0041] The sealing valve structure 17 includes a support plate 171, a sealing valve core 172, and a first compression spring 173. A support block 174 is fixedly installed inside the heat transfer tank 16, and the support block 174 is fixedly mounted on the support plate 171. The sealing valve core 172 is slidably installed inside the water inlet of the heat transfer tank 16. The first compression spring 173 is located between the support plate 171 and the sealing valve core 172. The first compression spring 173 drives the sealing valve core 172 to always tend to insert into the water inlet of the heat transfer tank 16 for sealing.

[0042] The sealing valve structure 17 has a sealed state and an open state. In the open state, the sealing valve core 172 compresses the first compression spring 173, forming a water supply gap between the sealing valve core 172 and the water inlet of the heat transfer tank 16, allowing external hot water to be supplied to the heat transfer tank 16 through this gap. In the sealed state, the first compression spring 173 presses the sealing valve core 172 tightly against the water inlet of the heat transfer tank 16 to seal the inlet.

[0043] The upper clamping block 12 has an internal water inlet channel 121, the outlet of which is connected to the water inlet of the heat transfer tank 16. This allows external hot water to be transported into the heat transfer tank 16 through the water inlet channel 121. A sealing gasket 175 is installed between the water inlet of the heat transfer tank 16 and the water outlet of the water inlet channel 121 to seal the connection and prevent leakage during hot water transport. The connecting rod 31 has an inlet pipe 311 installed at its inlet, and its outlet is connected to the water inlet of the water inlet channel 121, allowing external hot water to be transported into the heat transfer tank 16 through the inlet pipe 311.

[0044] Reference Figure 3 as well as Figure 7 A drainage component 5 for draining water from the heat transfer tank 16 is provided between the workbench 1 and the glue dispensing mold base 11.

[0045] The drainage assembly 5 includes a drain pipe 51 and an ejector pin 52. A positioning groove matching the drain pipe 51 is provided on the dispensing mold base 11 to enable rapid positioning of the dispensing mold base 11. A rectangular block 53 is fixedly installed on the inner wall of the drain pipe 51, and the ejector pin 52 is located inside the drain pipe 51 and fixedly connected to the rectangular block 53. The drain pipe 51 has the same size as the inlet of the heat transfer tank 16.

[0046] During operation, after the coil is potted, the water inlet pipe 311 is connected to external hot water to supply hot water to the heat-conducting tank 16 via the water inlet pipe 311 and the water inlet channel 121. At this time, under the action of water pressure, the sealing valve core 172 overcomes the resistance of the first compression spring 173 and disengages from the water inlet of the heat-conducting tank 16, so that the sealing valve structure 17 is in the open state. At this time, hot water enters through the water supply gap formed between the sealing valve core 172 and the water inlet of the heat-conducting tank 16 to introduce the heat in the heat-conducting tank 16 into the potting mold base 11, thereby accelerating the curing of the coil. When the injection of hot water stops, the elastic force of the first compression spring 173 drives the sealing valve core 172 to move and re-insert into the water inlet of the heat-conducting tank 16 to seal and prevent hot water leakage.

[0047] When the temperature sensor 18 detects that the water temperature is too low and needs to be replaced, the lifting and flipping mechanism 4 drives the glue dispensing mold base 11 to flip and then lift. At this time, the ejector pin 52 contacts the sealing valve core 172 and pushes the sealing valve core 172, so that the sealing valve structure 17 is in the open state. At this time, the water in the heat transfer tank 16 flows out through the water supply gap formed between the sealing valve core 172 and the water inlet of the heat transfer tank 16 and enters the drain pipe 51 to discharge the low temperature water in the heat transfer tank 16.

[0048] Reference Figure 2 as well as Figure 8 The lifting and tilting mechanism 4 includes a rotating rod 41, a helical gear assembly 42, a first threaded rod 43, a threaded cylinder 44, a rotating assembly 45, and a first motor 46. The helical gear assembly 42 includes a rotating cylinder 421, a first helical gear 422, and a second helical gear 423. The rotating assembly 45 includes a rotating disk 451 and a first connecting key structure 452.

[0049] The end of the rotating rod 41 furthest from the drive box 2 is fixedly mounted on the potting mold base 11. The drive box 2 has an oblong hole 23 for the rotating rod 41 to slide and rotate, thus restricting the movement of the rotating rod 41 to only the vertical direction. The first threaded rod 43 is rotatably mounted on the partition plate 22, and the rotating cylinder 421 is rotatably mounted on the first threaded rod 43. The first helical gear 422 is fixedly mounted on the rotating cylinder 421, and the second helical gear 423 is fixedly mounted on the rotating rod 41 and meshes with the first helical gear 422. The threaded cylinder 44 is threadedly connected to the first threaded rod 43. The rotating cylinder 421 has a connecting groove that matches the threaded cylinder 44, so that when the first threaded rod 43 drives the threaded cylinder 44 to rise and fall to the connecting groove, it pushes the rotating cylinder 421 to rise and fall together. The rotating disk 451 is fixedly mounted on the first threaded rod 43. The rotating disk 451 has a insertion groove that matches the rotating cylinder 421, so that when the rotating cylinder 421 rises and falls to the insertion groove, it drives the rotating cylinder 421 to rotate. A first connecting key structure 452 connects the first threaded rod 43 and the rotating disk 451. The first connecting key structure 452 includes a key and a keyway. The keyway is formed on the first threaded rod 43, and the key is installed in the keyway to allow the rotating disk 451 to move on the first threaded rod 43. The first motor 46 is fixedly installed on the inner bottom wall of the drive box 2, and the output end of the first motor 46 is fixedly connected to the first threaded rod 43 through a coupling.

[0050] Reference Figure 8 as well as Figure 9 A limiting assembly 47 is provided between the rotating cylinder 421 and the rotating rod 41 to drive the rotating rod 41 to move up and down together when the helical gear assembly 42 is raised and lowered. The limiting assembly 47 includes a limiting frame 471, a limiting cylinder 472, and a limiting ring 473. There are two limiting rings 473, and both limiting rings 473 are fixedly installed on the rotating cylinder 421, with the limiting frame 471 located between the two limiting rings 473. The rotating cylinder 421 is rotatably installed on the limiting frame 471, the rotating rod 41 is rotatably installed on the limiting frame 471, and the limiting cylinder 472 is rotatably installed on the limiting frame 471. One end of the limiting cylinder 472 is fixedly installed on the second helical gear 423.

[0051] During operation, the first motor 46 is started to drive the first threaded rod 43 to rotate. When the first threaded rod 43 rotates, it drives the threaded cylinder 44 connected to it to rise and fall. When the threaded cylinder 44 rises and falls into the connecting groove of the rotating cylinder 421, it pushes the rotating cylinder 421 to rise and fall together. When the rotating cylinder 421 rises and falls, it drives the first helical gear 422, the second helical gear 423 and the rotating rod 41 to start moving upward along the waist-shaped hole 23 under the limit of the limit frame 471, and further drives the glue potting mold base 11 to move upward along the waist-shaped hole 23. Simultaneously, when the first threaded rod 43 rotates, it drives the rotating disk 451 to rotate. When the rotating cylinder 421 rises and falls into the insertion slot opened in the rotating disk 451, it drives the rotating cylinder 421 to rotate. When the rotating cylinder 421 rotates, it drives the first helical gear 422 to rotate. When the first helical gear 422 rotates, it drives the second helical gear 423 that meshes with it to rotate. When the second helical gear 423 rotates, it drives the rotating rod 41 to rotate. When the rotating rod 41 rotates, it drives the glue-pouring mold base 11 to flip.

[0052] Then, the rotating lifting mechanism 3 drives the upper pressing block 12 and the outer pressing component 13 to rotate and lift in a cycle, so that the upper pressing block 12 and the outer pressing component 13 knock on the glue potting mold base 11. Under the knocking vibration and the gravity of the coil, the coil is dislodged from the glue potting mold base 11, so as to achieve convenient and complete demolding.

[0053] A lifting plate 48 is fixedly installed on the outer side of the threaded cylinder 44. A guide plate 49 is connected between the inner bottom wall of the drive box 2 and the partition plate 22. A connecting block 474 is fixedly installed on the outer side of the limiting frame 471. Both the connecting block 474 and the lifting plate 48 are slidably installed on the guide plate 49 to restrict the movement of the threaded cylinder 44 and the limiting frame 471 to vertical direction when they are raised or lowered. A rubber protective pad 19 is installed between the worktable 1 and the potting mold base 11 to protect the coil when it falls off the mold.

[0054] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A motor stator coil potting apparatus, comprising a worktable (1) and a potting mold base (11) mounted on the worktable (1) for coil potting and molding, characterized in that, It also includes an upper clamping block (12) mounted on the potting mold base (11) for pressing the top of the inner coil of the coil before potting, and an outer clamping assembly (13) for pressing the top of the outer coil of the coil. The glue-filling mold base (11) includes a base plate (111) mounted on the workbench (1), a sheath (112) mounted on the base plate (111), and a mold core (113) coaxially mounted at the center of the sheath (112); the sheath (112) and the mold core (113) surround each other to form a glue-filling groove (114) for coil mounting and glue filling. The peripheral clamping assembly (13) includes a peripheral cone (131) sleeved on the outside of the sheath (112) and a peripheral clamping block (132) mounted on the peripheral cone (131) and abutting against the top of the coil. The outer cone (131) has a deformable cone surface with an inner diameter that gradually increases from top to bottom, so as to compress the sheath (112) and generate deformation in the axial direction during the downward pressing process; When the peripheral clamping assembly (13) and the upper clamping block (12) are removed, the sheath (112) will restore its deformation to facilitate the removal of the coil when it is removed.

2. The motor stator coil potting equipment according to claim 1, characterized in that, A drive box (2) is installed on one side of the workbench (1). The drive box (2) is equipped with a lifting and flipping mechanism (4) for driving the glue dispensing mold base (11) to lift and flip, and a rotating lifting mechanism (3) for driving the upper pressing block (12) and the peripheral pressing assembly (13) to rotate and lift synchronously and to knock the flipped glue dispensing mold base (11) during lifting. The lifting and flipping mechanism (4) includes a rotating rod (41) mounted on the glue-filling mold base (11), a helical gear assembly (42) disposed in the drive box (2) and used to drive the rotating rod (41) to rotate, a first threaded rod (43) rotatably mounted on the helical gear assembly (42), a threaded cylinder (44) threaded to the first threaded rod (43) and used to drive the helical gear assembly (42) and the rotating rod (41) to lift and lower, a rotating component (45) mounted on the first threaded rod (43) and used to drive the helical gear assembly (42) to lift and lower and then rotate, and a first motor (46) mounted in the drive box (2) and used to drive the first threaded rod (43) to rotate.

3. The motor stator coil potting equipment according to claim 2, characterized in that, The helical gear assembly (42) includes a rotating cylinder (421) rotatably mounted on the first threaded rod (43), a first helical gear (422) mounted on the rotating cylinder (421), and a second helical gear (423) mounted on the rotating rod (41) and meshing with the first helical gear (422). The rotating cylinder (421) has a connecting groove that matches the threaded cylinder (44) so ​​that when the first threaded rod (43) drives the threaded cylinder (44) to rise to the connecting groove, it pushes the rotating cylinder (421) to rise together.

4. The motor stator coil potting equipment according to claim 3, characterized in that, A limit assembly (47) is provided between the rotating cylinder (421) and the rotating rod (41) to drive the rotating rod (41) to move up and down together when the helical gear assembly (42) moves up and down; The limiting assembly (47) includes a limiting frame (471) installed between the rotating rod (41) and the rotating cylinder (421), a limiting cylinder (472) rotatably installed on the limiting frame (471) and mounted with the second helical gear (423), and a limiting ring (473) installed on the rotating cylinder (421) and movably abutting against the limiting frame (471).

5. The motor stator coil potting equipment according to claim 4, characterized in that, The rotating assembly (45) includes a rotating disk (451) mounted on the first threaded rod (43) and a first connecting key structure (452) connecting the rotating disk (451) and the first threaded rod (43). The first connecting key structure (452) is used to drive the rotating disk (451) to rotate synchronously during lifting and lowering; the rotating disk (451) is provided with a plug-in groove that matches the rotating cylinder (421) so as to drive the rotating cylinder (421) to rotate when the rotating cylinder (421) rises to the plug-in groove.

6. The motor stator coil potting equipment according to claim 2, characterized in that, The rotary lifting mechanism (3) includes a connecting rod (31) mounted on the upper clamping block (12), a connecting column (32) mounted on the connecting rod (31) and connected to the peripheral clamping assembly (13), an arc plate (33) slidably mounted on the drive box (2) and rotatably connected to the connecting rod (31), a second threaded rod (34) mounted in the drive box (2) and used to drive the arc plate (33) to lift and lower, a second motor (35) mounted in the drive box (2) and used to drive the second threaded rod (34) to rotate, and a synchronization assembly (36) used to drive the connecting rod (31) and the second threaded rod (34) to rotate synchronously.

7. The motor stator coil potting equipment according to claim 6, characterized in that, The synchronization assembly (36) includes a synchronization pulley (361) mounted on the connecting rod (31) and the second threaded rod (34) and a synchronization belt (362) for driving the two synchronization pulleys (361) to rotate synchronously. The second threaded rod (34) is connected to the synchronous pulley (361) mounted on the second threaded rod (34) by a second connecting key structure (39) so that the synchronous pulley (361) can rotate when it is raised or lowered.

8. The motor stator coil potting equipment according to claim 7, characterized in that, The potting mold base (11) has a heat-conducting cavity (15) inside, and a heat-conducting tank (16) for supplying hot water to reduce the time of coil potting molding is installed inside the heat-conducting cavity (15). A sealing valve structure (17) is provided at the water inlet of the heat-conducting tank (16). The sealing valve structure (17) includes a support plate (171) installed in the heat transfer tank (16), a sealing valve core (172) slidably installed at the water inlet of the heat transfer tank (16), and a first compression spring (173) installed between the support plate (171) and the sealing valve core (172). The first compression spring (173) drives the sealing valve core (172) to always have the tendency to be inserted into the inlet of the heat-conducting tank (16) for sealing.

9. The motor stator coil potting equipment according to claim 6, characterized in that, A compression assembly (14) is connected between the connecting rod (31) and the upper clamping block (12) to drive the peripheral clamping assembly (13) to continue to descend and clamp the coil when the upper clamping block (12) clamps the coil; The compression assembly (14) includes a compression disc (141) mounted on the connecting rod (31) and a second compression spring (142) connected between the compression disc (141) and the upper clamping block (12); the second compression spring (142) causes the upper clamping block (12) to always have a tendency to press the glue potting mold base (11).

10. The motor stator coil potting equipment according to claim 8, characterized in that, The upper clamping block (12) has an inlet channel (121) inside, and the outlet of the inlet channel (121) is connected to the inlet of the heat-conducting tank (16); the inlet of the connecting rod (31) is equipped with an inlet pipe (311), and the outlet of the connecting rod (31) is connected to the inlet of the inlet channel (121), so as to transport external hot water to the heat-conducting tank (16) through the inlet pipe (311); A drainage assembly (5) for draining water from the heat-conducting tank (16) is provided between the workbench (1) and the glue-filling mold base (11); the drainage assembly (5) includes a drain pipe (51) passing through the workbench (1) and an ejector pin (52) installed in the drain pipe (51) for opening the sealing valve structure (17).

Images