An integrated equipment for impregnation and painting for motor stator production

Abstract

The present invention relates to the technical field of production and processing of motor stators, and specifically, to an integrated device for impregnation and baking varnish for the production of motor stators. The present invention provides such an integrated device for impregnation and baking varnish for the production of motor stators, comprising a box body, a heating component, a one-way air inlet valve, an impregnation mechanism and a paint storage mechanism. A heating component is installed on the inner wall of the box body, and the heating component is annular. An impregnation mechanism is arranged inside the box body, and a paint storage mechanism is arranged at the lower part of the impregnation mechanism box body. The present invention installs a vacuum mechanism, and in the process of gradually evacuating the air inside the box body, the remaining moisture on the stator will be removed, so that in the subsequent varnishing process, there is no gap between the paint liquid and the stator, so that the paint liquid can effectively cover the surface of the stator, while improving the production efficiency of the device, it also ensures the qualified rate of the product.

Description

Technical Field

[0001] The invention relates to the technical field of production and processing of motor stators, and in particular to an integrated impregnation and paint baking equipment for motor stator production. Background Art

[0002] The purpose of motor winding varnish dipping and drying is to remove the moisture contained in the insulating material and fill all air gaps with insulating varnish, which can not only improve the insulation strength and moisture resistance of the winding, but also improve the heat resistance and heat dissipation of the winding, and also improve the mechanical properties, chemical stability, thermal conductivity and heat dissipation effect of the winding insulation and delay aging. The quality of motor varnish dipping directly affects the temperature rise and service life of the motor; it is required that varnish dipping and drying be carried out strictly in accordance with the insulation treatment process to ensure good permeability of the insulating varnish, smooth surface of the paint film and high mechanical strength, so that the stator winding is bonded into a solid whole; at present, the treatment of E and B grade insulation motor stator winding varnish dipping generally adopts 1032 melamine alkyd resin paint, the solvent is toluene or xylene, and the number of varnish dipping is two times, which are collectively referred to as the general two-time varnish dipping hot immersion process.

[0003] According to the patent authorization publication number CN106423752A, the publication date is 2017-02-22, a hot rolling dipping production line for stator or rotor production includes a dipping device and a paint baking device for product production. The beneficial effects of the hot rolling dipping production line for stator or rotor production are: 1. A coil heating process is adopted, 2. The temperature of the coil is converted by resistance detection to control the heating process, 3. An elastic scraper is used to remove residual resin on the surface of the product, and 4. A far-infrared heating plate is used to control the surface of the heated product to solidify the paint; in summary, the quality of the stator or rotor is stable, the scrap rate is reduced, the production efficiency is improved, and the The device controls the internal temperature of the device through a heating mechanism, so that the device can provide corresponding drying heat according to the temperature of the paint on the surface of the stator or rotor, effectively improving the curing speed of the paint liquid on the surface of the stator or rotor, and automatically scraping off the residual paint liquid on the surface of the stator or rotor through an elastic scraper, which no longer requires manual scraping, thereby simplifying the work process and improving the production efficiency of the device; however, since the device is not provided with a vacuum mechanism, when the stator or rotor is immersed, moisture is still attached to the surface of the stator or rotor, and there is still a large amount of air inside the device, which results in the paint liquid being unable to effectively cover the stator surface when it contacts the stator, thereby reducing the qualified rate of the product.

[0004] Therefore, we urgently need an integrated impregnation and paint baking equipment for motor stator production. Summary of the invention

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides an integrated impregnation and paint baking equipment for motor stator production.

[0006] In order to solve the above technical problems, the present invention provides an integrated impregnation and paint baking equipment for motor stator production, including a box body, a heating component, a one-way air inlet valve, an impregnation mechanism, a paint storage mechanism and a vacuum mechanism. The heating component is installed on the inner wall of the box body, the upper part of the box body is penetrated by a one-way air inlet valve, the interior of the box body is provided with an impregnation mechanism, and the lower part of the impregnation mechanism box body is provided with a paint storage mechanism. The paint storage mechanism includes a liquid storage tank, a water pump and a liquid infusion pipe. The lower part of the box body is connected to the liquid storage tank, the liquid storage tank is penetrated by a liquid inlet pipe, the water pump is installed on the inner side of the lower part of the box body, the water inlet of the water pump is connected to the liquid inlet, the lower part of the liquid infusion pipe passes through the box body and is connected to the liquid storage tank, a vacuum mechanism is provided on the box body, the vacuum mechanism includes a vacuum pump, an exhaust pipe and a one-way exhaust valve, a vacuum pump is installed on the outer edge of the box body, an exhaust pipe is penetrated on the box body, one end of the exhaust pipe is connected to the air inlet of the vacuum pump, and the other end of the exhaust pipe is connected to the one-way exhaust valve.

[0007] Preferably, the impregnation mechanism includes a sealing cover, a support plate, a motor, a coupling, a rotating shaft and a placement rack. The sealing cover is slidably provided on the box body, a sealing ring is connected to the bottom of the sealing cover, the sealing ring fits with the box body, two support plates are symmetrically connected to the sealing cover, a motor is installed inside the sealing cover, a rotating shaft is rotatably connected inside the box body, a coupling is connected to the upper end of the rotating shaft, the output shaft of the motor is slidably matched and clamped with the coupling, a placement rack is connected to the rotating shaft, and at least five placement slots are provided on the placement rack.

[0008] Preferably, an automatic lifting mechanism is also included. The box body is provided with the automatic lifting mechanism, which includes a slide rail and a cylinder. Two slide rails are symmetrically connected to the box body, and the support plates are slidably connected to the slide rails. Cylinders are installed on two opposite slide rails, and the telescopic parts of the cylinders are connected to the support plates close to themselves.

[0009] Preferably, an auxiliary material placement mechanism is also included. The sealing cover is provided with the auxiliary material placement mechanism, and the auxiliary material placement mechanism includes a fixed plate, a connecting frame, a material placement basket and a second clamping block. The bottom of the sealing cover is rotatably connected with a fixed plate, and the fixed plate is connected with connecting frames of the same number as the placement slots. A material placement basket is provided at the lower part of the connecting frame. The material placement baskets are all located in the corresponding placement slots, and the lower parts of the material placement baskets are symmetrically connected with the second clamping blocks.

[0010] Preferably, the material basket is rotatably connected to the connecting frame.

[0011] Preferably, the auxiliary material placing mechanism further includes a first clamping block, and the inner side of the lower part of the material placing basket is connected with the first clamping block, and the first clamping block can fit with the lower part of the stator.

[0012] Preferably, it also includes an accelerating rotation mechanism, which is arranged inside the box body and includes an internal gear and an external gear. The inner side of the lower part of the box body is connected to the internal gear, and the internal gear is a helical internal gear. The bottom of the material basket is connected to the external gear, and the external gears are meshed with the internal gear.

[0013] Preferably, a conveying mechanism is also included. The interior of the box is provided with the conveying mechanism, and the conveying mechanism includes a partition, a hose and a valve. The partition is connected to the inner side of the lower part of the box. The partition is a circular plate with a low middle part and high surroundings. A hose is connected to the water outlet of the water pump. A valve is passed through the middle of the partition, and the other end of the hose is connected to the valve.

[0014] The present invention installs a vacuum mechanism, and in the process of gradually evacuating the air inside the box, the remaining moisture on the stator will be removed, so that in the subsequent paint dipping process, there is no gap between the paint liquid and the stator, and the paint liquid can effectively cover the surface of the stator, thereby improving the production efficiency of the device and ensuring the qualified rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the box body, impregnation mechanism, paint storage mechanism and vacuum mechanism of the present invention.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the impregnation mechanism of the present invention.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the impregnation mechanism and the paint storage mechanism of the present invention.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the vacuum mechanism of the present invention.

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the sealing cover, the auxiliary material placement mechanism and the accelerating rotation mechanism of the present invention.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the auxiliary material placing mechanism of the present invention.

[0022] Figure 8 It is a three-dimensional structural schematic diagram of the auxiliary material placement mechanism and the accelerating rotation mechanism of the present invention.

[0023] Fig. 9 It is a three-dimensional structural schematic diagram of the paint storage mechanism, internal gear and conveying mechanism of the present invention.

[0024] Fig.10 It is a schematic diagram of the three-dimensional structure of the conveying mechanism of the present invention.

[0025] The marks in the accompanying drawings are: 1-box, 101-heating component, 102-one-way air inlet valve, 2-impregnation mechanism, 21-sealing cover, 22-support plate, 23-motor, 24-coupling, 25-rotating shaft, 26-placing rack, 27-placing slot, 3-paint storage mechanism, 31-liquid storage tank, 32-water pump, 33-infusion pipe, 4-vacuum mechanism, 41-vacuum pump, 42-exhaust pipe, 43-one-way air outlet valve, 5-automatic lifting mechanism, 51-slide rail, 52-cylinder, 6-auxiliary feeding mechanism, 61-fixed plate, 62-connecting frame, 63-feeding basket, 64-first card block, 65-second card block, 7-acceleration rotation mechanism, 71-internal gear, 72-external gear, 8-conveying mechanism, 81-partition, 82-hose, 83-valve. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Embodiment 1: An integrated impregnation and paint baking equipment for motor stator production, such as Figure 1-Figure 5 As shown, it includes a box body 1, a heating component 101, a one-way air inlet valve 102, an impregnation mechanism 2, a paint storage mechanism 3 and a vacuum mechanism 4. The heating component 101 is installed on the inner wall of the middle part of the box body 1 by bolts. The heating component 101 is annular. The upper part of the box body 1 is penetrated by a one-way air inlet valve 102. The interior of the box body 1 is provided with an impregnation mechanism 2. The lower part of the box body 1 is provided with a paint storage mechanism 3. The paint storage mechanism 3 includes a liquid storage tank 31, a water pump 32 and a liquid infusion pipe 33. The lower part of the box body 1 is connected to the liquid storage tank 31 through a fixing member. The liquid storage tank 31 is penetrated by a liquid inlet pipe. The lower part of the box body 1 On the inner side, at an eccentric position, a water pump 32 is installed by bolts, and a liquid infusion pipe 33 is connected to the water inlet of the water pump 32. The lower part of the liquid infusion pipe 33 passes through the box body 1 and is connected with the liquid storage tank 31. The liquid infusion pipe 33 is close to the inner bottom side of the liquid storage tank 31, but not in contact with it. A vacuum mechanism 4 is provided on the box body 1, and the vacuum mechanism 4 includes a vacuum pump 41, an exhaust pipe 42 and a one-way air outlet valve 43. The outer edge of the box body 1 is installed with a vacuum pump 41 by bolts, and an exhaust pipe 42 is passed through the box body 1. One end of the exhaust pipe 42 is connected to the air inlet of the vacuum pump 41, and the other end of the exhaust pipe 42 is connected to the one-way air outlet valve 43.

[0028] like Figure 1 and Figure 3As shown, the impregnation mechanism 2 includes a sealing cover 21, a support plate 22, a motor 23, a coupling 24, a rotating shaft 25 and a placement rack 26. The sealing cover 21 is slidably provided on the box body 1, and a sealing ring is adhered to the bottom of the sealing cover 21, and the sealing ring fits with the box body 1. Two supporting plates 22 are symmetrically connected to the sealing cover 21. The inside of the sealing cover 21 is centrally mounted with a motor 23 by bolts. The rotating shaft 25 is rotatably connected to the center of the inside of the box body 1, and the upper end of the rotating shaft 25 is fixedly connected with a coupling 24. The output shaft of the motor 23 and the coupling 24 are slidably matched up and down, and a placement rack 26 is connected to the middle of the rotating shaft 25, and at least five placement slots 27 are provided on the placement rack 26.

[0029] like Figure 1 and Figure 6-Figure 8 As shown, it also includes an automatic lifting mechanism 5 and an auxiliary material placement mechanism 6. The box body 1 is provided with an automatic lifting mechanism 5, and the automatic lifting mechanism 5 includes a slide rail 51 and a cylinder 52. On the box body 1, two slide rails 51 are fixedly connected symmetrically on the left and right, and the support plates 22 are slidably connected to the slide rails 51. Cylinders 52 are installed on two opposing slide rails 51 by bolts, and the telescopic parts of the cylinders 52 are fixedly connected to the support plates 22 close to them; the sealing cover 21 is provided with an auxiliary material placement mechanism 6, and the auxiliary material placement mechanism 6 includes a fixing plate 6 1. Connecting frame 62, material placing basket 63, first clamping block 64 and second clamping block 65. The bottom of sealing cover 21 is rotatably connected with fixing plate 61. The bottom side of fixing plate 61 is fixed with connecting frames 62 of the same number as placement slots 27. The lower part of connecting frame 62 is rotatably connected with material placing basket 63. Material placing basket 63 is located in corresponding placement slot 27. The lower inner side of material placing basket 63 is connected with first clamping block 64. First clamping block 64 can fit with the lower part of stator. The lower part of material placing basket 63 is symmetrically connected with second clamping block 65.

[0030] like Figure 6 and Figure 8 As shown, an accelerating rotation mechanism 7 is also included. The interior of the box body 1 is provided with an accelerating rotation mechanism 7, and the accelerating rotation mechanism 7 includes an internal gear 71 and an external gear 72. The inner side of the lower part of the box body 1 is fixedly connected with the internal gear 71, and the internal gear 71 is a helical internal gear. The bottom of the material basket 63 is connected with the external gear 72, and the external gear 72 is meshed with the internal gear 71.

[0031] When the device is to be used, firstly, paint liquid is added into the liquid storage tank 31 through the liquid inlet pipe, and then the cylinder 52 is driven. The telescopic part of the cylinder 52 will move the support plate 22 upward along the slide rail 51. When the support plate 22 moves upward, the sealing cover 21 will move upward together, thereby moving the auxiliary material placement mechanism 6 upward together. When the sealing cover 21 moves upward, the motor 23 will be disconnected from the coupling 24. When the support plate 22 moves up to the top of the slide rail 51, it stops moving upward, and the stator to be impregnated is placed. The stator is inserted into the material basket 63 and fits with the first block 64 inside the material basket 63. After the stator is placed in the material basket 63, the cylinder 52 is driven, and the telescopic part of the cylinder 52 will move the support plate 22 and the sealing cover 21 downward and reset together, and the auxiliary material placement mechanism 6 will also move downward and reset together. During the downward movement of the material basket 63, the second block 65 and the outer gear 72 move downward, and when the support plate 22 moves down to the bottom of the slide rail 51, it stops moving downward. At this time, the sealing cover 21 is The sealing ring will fit with the inside of the box body 1, the output shaft of the motor 23 will fit with the coupling 24 again, and the outer gear 72 will fit with the inner gear 71 completely; the heating component 101 will be driven to preheat the stator. The heating component 101 will continue to heat the stator according to the insulation level of the stator, and its heating temperature will gradually increase. The temperature rise rate is not more than 20-30 degrees / h. When the temperature rises to the required maximum temperature, after keeping it at this temperature for 4-6 hours, the heating component 101 is turned off. When the pre-baked stator is about to cool to 60-80 degrees, the vacuum pump 41 is driven. The vacuum pump 41 will extract the air inside the box body 1 through the one-way air outlet valve 43 and the exhaust pipe 42. In the process of gradually evacuating the air inside the box body 1, the remaining moisture on the stator will be removed, so that in the subsequent varnishing process, there is no gap between the paint liquid and the stator, so that the paint liquid can effectively cover the surface of the stator, while improving the production efficiency of the device, but also ensuring the qualified rate of the product.

[0032] Embodiment 2: Based on embodiment 1, Figure 6 , Fig. 9 and Fig.10 As shown, a conveying mechanism 8 is also included. The conveying mechanism 8 is provided inside the box body 1. The conveying mechanism 8 includes a partition 81, a hose 82 and a valve 83. The partition 81 is fixedly connected to the inner side of the lower part of the box body 1. The partition 81 is a circular plate with a low middle part and high surroundings. The water outlet of the water pump 32 is connected to a hose 82. A valve 83 is penetrated in the middle of the partition 81, and the other end of the hose 82 is connected to the valve 83.

[0033] After the vacuum pump 41 has completely extracted the air inside the box 1, the water pump 32 is driven. The water pump 32 will extract the paint liquid in the liquid storage tank 31 through the infusion tube 33, and then transport the paint liquid upward through the hose 82, and finally discharge the paint liquid through the valve 83. When the paint liquid completely immerses the stator, the paint liquid extraction is stopped. After the stator has been immersed in paint for a period of time, the one-way air inlet valve 102 on the box 1 is opened to introduce dry compressed air, thereby releasing the vacuum state in the box 1. The gravity of the paint liquid in the vacuum and the dry compressed air just introduced will affect the vacuum after the vacuum is released. The impregnated paint liquid is applied with a certain pressure, so that the paint liquid can quickly penetrate and cover the stator surface; after the stator surface is covered with paint liquid, the water pump 32 is driven, and the water pump 32 will pump the paint liquid in the box body 1 back into the liquid storage tank 31. Due to the structure of the partition 81, when the water pump 32 is about to finish pumping the paint liquid, the paint liquid will flow down in a concentrated manner, which prevents a large amount of paint liquid from remaining on the partition 81, thereby saving raw materials and not causing waste; after the water pump 32 pumps all the paint liquid in the box body 1 back to the liquid storage tank 31, the motor 23 is driven, and the output shaft of the motor 23 passes through The coupling 24 rotates with the rotating shaft 25, and the rotating shaft 25 will rotate with the placing rack 26, and the placing rack 26 will rotate with the material basket 63. When the material basket 63 rotates, it will rotate with the fixing plate 61 and the connecting rack 62, so as to shake off the excess paint on the surface of the stator, so that after the subsequent paint is solidified, it is no longer necessary to manually scrape off the excess paint; when the material basket 63 rotates, the outer gear 72 will also rotate on the inner gear 71, and the outer gear 72 will rotate with the material basket 63 on the connecting rack 62, thereby accelerating the rotation of the material basket 63 speed, thereby more fully shaking off the excess paint liquid on the stator surface. After the excess paint liquid is shaken off, the heating component 101 is driven again to dry the paint liquid. After drying, the cylinder 52 is driven, and the telescopic portion of the cylinder 52 will move the support plate 22 upward along the slide rail 51. When the support plate 22 moves upward, it will move the sealing cover 21 and the components installed thereon upward together. When the support plate 22 moves to the top of the slide rail 51, it stops moving upward and the stator is taken out. For subsequent work, the above steps can be repeated. After completing the work, the device is closed and cleaned.

[0034] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. An integrated impregnation and paint baking equipment for motor stator production, comprising: Box body (1); A heating component (101) is installed on the inner wall of the box (1); A one-way air intake valve (102) is disposed through the upper portion of the box body (1); An impregnation mechanism (2) is arranged inside the box (1); A paint storage mechanism (3) is arranged at the lower part of the box body (1), and the paint storage mechanism (3) comprises: A liquid storage box (31) is connected to the lower part of the box body (1), and a liquid inlet pipe is passed through the liquid storage box (31); A water pump (32) is installed on the inner side of the lower part of the box (1); A liquid infusion pipe (33) connected to the water inlet of the water pump (32), the lower part of the liquid infusion pipe (33) passing through the box body (1) and communicating with the liquid storage tank (31); It is characterized in that Also included are: A vacuum mechanism (4) is arranged on the box body (1), and the vacuum mechanism (4) comprises: A vacuum pump (41) installed on the outer edge of the box (1); An air extraction pipe (42) is provided on the box body (1), and one end of the air extraction pipe (42) is connected to the air inlet of the vacuum pump (41); A one-way air outlet valve (43) connected to the other end of the air extraction pipe (42); The impregnation mechanism (2) comprises: A sealing cover (21) is slidably arranged on the box body (1), a sealing ring is connected to the bottom of the sealing cover (21), and the sealing ring fits with the box body (1); a supporting plate (22), four supporting plates (22) are connected to the sealing cover (21) in a cross shape; A motor (23) installed inside the sealing cover (21); A rotating shaft (25) is rotatably connected to the interior of the housing (1); A coupling (24) is connected to the upper end of the rotating shaft (25), and the output shaft of the motor (23) is slidably matched and clamped with the coupling (24); A placement rack (26) connected to the rotating shaft (25), wherein at least five placement slots (27) are provided on the placement rack (26); It also includes: an automatic lifting mechanism (5) arranged on the box body (1), the automatic lifting mechanism (5) including: Slide rails (51), the slide rails (51) are four in number, two in each group, each group is symmetrically connected to the box body (1), and the support plates (22) are all slidably connected to the slide rails (51); Cylinders (52), two of which are respectively mounted on two opposite slide rails (51), and telescopic parts of the cylinders (52) are both connected to the support plates (22) close to the cylinders; It also includes: an auxiliary material placement mechanism (6) arranged on the sealing cover (21), and the auxiliary material placement mechanism (6) includes: A fixed plate (61) rotatably connected to the bottom of the sealing cover (21); Connecting frames (62), the number of the connecting frames (62) is the same as the placement slots (27), and all are connected to the lower part of the fixing plate (61); Material placing baskets (63), the number of the material placing baskets (63) being the same as that of the connecting frame (62), They are respectively arranged at the lower part of the connecting frame (62), and the material placing baskets (63) are all located in the corresponding placing grooves (27); A second clamping block (65), the lower part of the material placing basket (63) is symmetrically connected to the second clamping block (65); It also includes: an accelerating rotation mechanism (7) arranged inside the box (1), and the accelerating rotation mechanism (7) includes: An internal gear (71) connected to the inner side of the lower part of the housing (1), and the internal gear (71) is a helical internal gear; External gears (72), the number of the external gears (72) is the same as the number of the material baskets (63), and the external gears (72) are respectively connected to the lower part of the material baskets (63), and the external gears (72) are all meshed with the internal gears (71); Also included are: A conveying mechanism (8) is arranged inside the box (1), and the conveying mechanism (8) comprises: A partition (81) is connected to the inner side of the lower part of the box body (1), and the partition (81) is a circular plate with a low middle part and high surrounding areas; A hose (82) connected to the water outlet of the water pump (32); The valve (83) is disposed through the middle of the partition (81), and the other end of the hose (82) is connected to the valve (83).

2. The integrated impregnation and paint baking equipment for motor stator production according to claim 1 is characterized in that: The material placing baskets (63) are all rotatably connected to the connecting frame (62).

3. The integrated impregnation and paint baking equipment for motor stator production according to claim 2, characterized in that: The auxiliary material placement mechanism (6) further comprises: The first clamping blocks (64) are the same in number as the material placing baskets (63) and are respectively connected to the inner sides of the lower parts of the material placing baskets (63). The first clamping blocks (64) can fit with the lower part of the stator.

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