Constant-temperature paint dripping equipment for axial magnetic flux flat wire motor

Abstract

The invention discloses a constant-temperature paint dripping device for an axial flux flat wire motor. According to the technical scheme, the constant-temperature paint dripping device is characterized by comprising a clamping and heating mechanism; the displacement mechanism is used for driving the clamping and heating mechanism to rotate around at least two axes so as to drive the stator to rotate; the paint dripping mechanism is used for dripping insulating paint to the stator in the clamping and heating mechanism; the clamping and heating mechanism comprises a tool; the transition sleeve is fixedly connected to the side, away from the stator, of the tool, and a containing cavity is formed in the transition sleeve; the induction coil is arranged in the accommodating cavity and is close to the tool; the tool is preheated through the induction coil, and when the tool is heated to a specified temperature, the stator on the tool is heated in a heat radiation mode, so that the temperature of each part of the stator is heated more uniformly.

Description

Technical Field

[0001] The invention relates to the technical field of motor paint dripping, and more specifically, to a constant-temperature paint dripping device for an axial magnetic flux flat-wire motor. Background Art

[0002] With the continuous development of science and technology, the gradual improvement of environmental awareness, the demand for new energy vehicles has gradually increased, and the demand for drive motors and volume has also become higher and higher. Hairpin flat wire motors have become the main development direction in the field of new energy vehicle drive motors due to their higher power density, better heat dissipation, and can significantly reduce noise and vibration. The stator of the axial flux motor has also been changed from round wire to flat wire. Compared with traditional round wire motors, hairpin flat wire motors can fill the space more fully, improve the slot fill rate, and have a higher degree of integration, thereby obtaining higher output power and torque. While hairpin flat wire motors bring many advantages, they also bring the problem of complex manufacturing processes.

[0003] The stator winding is one of the key components of the hairpin flat wire motor, and its paint dripping insulation quality directly affects the working performance and service life of the motor. When dripping paint on the existing stator, it is often easy to cause the uneven heating temperature of various parts of the stator, resulting in poor fluidity of the dripped insulating paint, which in turn causes the problem that the dripping paint quality cannot be guaranteed. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a constant temperature paint dripping equipment for an axial flux flat wire motor, which first preheats the tooling through an induction coil, and when the tooling is heated to a specified temperature, the stator on the tooling is heated by thermal radiation, so that the temperature of each part of the stator is heated more evenly.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a constant temperature paint dripping device for an axial flux flat wire motor, comprising a clamping and heating mechanism, the clamping and heating mechanism being used to clamp and heat the stator; A displacement mechanism, the displacement mechanism is used to drive the clamping heating mechanism to rotate around at least two axes and then drive the stator to rotate; and a paint dripping mechanism, the paint dripping mechanism being used to drip insulating paint onto the stator in the clamping heating mechanism; The clamping and heating mechanism includes a tooling, the stator is fixed on one side of the tooling, and the tooling is used to position the stator; A transition sleeve, the transition sleeve is fixedly connected to a side of the tooling away from the stator, and an accommodating cavity is provided in the transition sleeve; And an induction coil, wherein the induction coil is arranged in the accommodating cavity and adjacent to the tooling.

[0006] The present invention is further configured as follows: the displacement mechanism comprises a connecting seat, and the transition sleeve is rotatably connected to the connecting seat; A rotary motor, wherein the output shaft of the rotary motor is drivingly connected to a transition sleeve, and the rotation axis of the transition sleeve overlaps the axis of the stator; A position changing frame, wherein the position changing frame is arranged on one side of the rotary motor; A rotating shaft, the rotating shaft is fixedly connected to the connecting seat and rotatably connected to the displacement frame, and the axis of the rotating shaft is perpendicular to the axis of the stator; And a position changing motor, wherein the position changing motor is fixedly connected to the position changing frame and is drivingly connected to the rotating shaft.

[0007] The present invention is further configured as follows: it also includes a workbench, the displacement frame is fixedly connected to the top of the workbench, and the paint dripping mechanism is arranged above the displacement frame.

[0008] The present invention is further configured to include a loading and unloading mechanism, which is arranged on one side of the workbench and is used to transport the stator to the clamping and heating mechanism and also to send the stator off the clamping and heating mechanism.

[0009] The present invention is further configured as follows: the loading and unloading mechanism comprises a moving track, the moving track is arranged on one side of the workbench and the transmission direction of the moving track is horizontal; And a moving seat, the moving seat moves on the moving track along the length direction of the moving track, and the stator can be fixed on the moving seat.

[0010] The present invention is further configured as follows: two movable seats are provided; The two ends of the movable track are set as loading and unloading stations, and the middle position is set as a transfer station. The transfer station is set close to the workbench. The two movable seats correspond to the two loading and unloading stations respectively, and move between the corresponding loading and unloading stations and the transfer station.

[0011] The present invention is further configured as follows: two movable rails are provided, and the movable seat slides on the two movable rails; Two connecting rods are arranged at both ends of the moving track, and the two ends of the connecting rod are respectively fixedly connected to the two moving tracks, and the bottoms of the two ends of the connecting rod are fixedly connected with vertically arranged supporting rods.

[0012] The present invention is further configured as follows: the moving track includes a flip section, and the flip section is arranged at the transfer station; And fixed sections, each moving track includes two fixed sections, the two fixed sections are respectively arranged at two ends of the flip section, and the fixed sections are fixedly connected with the connecting rod.

[0013] The present invention is further configured as follows: a connecting plate is fixedly connected to the bottom of the two flip sections, and the two ends of the flip section close to the workbench are rotatably connected to the two fixed sections at the two ends of the flip section; Two flipping pieces are arranged on the side of the bottom of the connecting plate away from the workbench, the flipping piece is arranged as a cylinder, a support plate fixedly connected to the support rod is arranged at the bottom of the flipping piece, the cylinder body of the flipping piece is rotatably connected to the support plate, the piston rod is rotatably connected to the bottom of the connecting plate, and the top end of the flipping piece is inclined toward the direction close to the workbench.

[0014] The present invention is further configured as follows: the moving seat comprises a moving plate, and the moving plate is supported on the top of two moving rails; A limit plate, wherein two limit plates are provided and fixedly connected to the bottom of the movable plate, and the two limit plates are respectively fitted with the sides of the two movable rails that are close to each other; and a limiting ring, wherein the limiting ring is fixedly connected to the top of the moving plate, and a clearance hole is arranged at the bottom of the limiting ring and vertically penetrates the moving plate, the clearance hole is a circular hole and is coaxial with the limiting ring, the inner diameter of the limiting ring is equal to the outer diameter of the stator, and the diameter of the clearance hole is smaller than the inner hole of the limiting ring; The top of the connecting plate is fixedly connected with a clamping piece, and the clamping piece is set as a double-head double-outlet cylinder. Two arc-shaped plates are fixedly connected to the two piston rods of the clamping piece. When the clearance hole is located directly above the clamping piece, the arc-shaped plates are symmetrically arranged relative to the axis of the stator. The bottom of the connecting plate is fixedly connected with a lifting piece that drives the clamping piece to slide along the axis direction of the limiting ring, and the lifting piece is set as a hydraulic cylinder. The limit plate is provided with a positioning hole which penetrates the limit plate in a direction perpendicular to the length direction of the two moving rails. A positioning member is fixedly connected to the side where the two flip sections are away from each other. The positioning member is configured as a cylinder. The cylinder body of the positioning member is fixedly connected to the flip section. The piston rod of the positioning member can pass through the flip section and be inserted into the positioning hole.

[0015] In summary, compared with the prior art, the present invention has the following beneficial effects: the present invention preheats the tooling by means of an induction coil, and when the tooling is heated to a specified temperature, the stator on the tooling is heated by means of thermal radiation, so that the temperature of various parts of the stator is heated more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of an embodiment; Figure 2 It is a schematic diagram of a mechanism for implementing an embodiment; Figure 3 It is a schematic diagram of a clamping and heating mechanism according to an embodiment; Figure 4 The schematic diagram of the loading and unloading mechanism is shown in the embodiment; Figure 5 for Figure 4 A magnified schematic diagram of part A; Figure 6 A schematic diagram of a gear is shown in the embodiment; Figure 7 Schematic diagram of an embodiment of a curved plate.

[0017] In the figure: 1. workbench; 2. paint dripping mechanism; 3. shifting mechanism; 31. connecting seat; 32. rotary motor; 33. shifting frame; 34. rotating shaft; 35. shifting motor; 4. clamping and heating mechanism; 41. transition sleeve; 42. tooling; 43. induction coil; 5. moving track; 51. fixed section; 52. flip section; 53. connecting plate; 54. flip part; 6. moving seat; 61. moving plate; 611. clearance hole; 62. limiting ring; 63. limiting plate; 631. positioning hole; 64. gear; 7. connecting rod; 71. support rod; 72. support plate; 8. lifting member; 81. clamping member; 82. arc plate. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0019] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0020] Embodiment: A constant temperature paint dripping device for axial flux flat wire motor, see attached Figure 1 -Attached Figure 7 , including a clamping and heating mechanism 4, a displacement mechanism 3 and a paint dripping mechanism 2, the clamping and heating mechanism 4 is used to clamp and heat the stator; the displacement mechanism 3 is used to drive the clamping and heating mechanism 4 to rotate around at least two axes and then drive the stator to rotate; the paint dripping mechanism 2 is used to drip insulating paint onto the stator in the clamping and heating mechanism 4; the clamping and heating mechanism 4 includes a tooling 42, a transition sleeve 41 and an induction coil 43, the stator is fixed on one side of the tooling 42, and the tooling 42 is used to position the stator; the transition sleeve 41 is fixedly connected to the side of the tooling 42 away from the stator, and an accommodating cavity is arranged in the transition sleeve 41; the induction coil 43 is arranged in the accommodating cavity and is arranged adjacent to the tooling 42.

[0021] The tooling 42 is preheated by the induction coil 43 . When the tooling 42 is heated to a specified temperature, the stator on the tooling 42 is heated by heat radiation, so that the temperature of each part of the stator is heated more evenly.

[0022] Specifically, a plurality of clamps located inside the stator are arranged on one side of the tooling 42 for fixing the stator, and the plurality of clamps are arranged around the axis of the stator, and the plurality of clamps are simultaneously slid in a direction away from the axis of the stator so that the plurality of clamps are tightened on the inside of the stator to fix the stator. The movement of the clamps on the tooling 42 is driven by a cylinder.

[0023] Specifically, the shifting mechanism 3 includes a connecting seat 31, a rotary motor 32, a shifting frame 33, a rotating shaft 34 and a shifting motor 35. The transition sleeve 41 is rotatably connected to the connecting seat 31; the output shaft of the rotary motor 32 is transmission-connected to the transition sleeve 41, and the rotating shaft 34 line of the transition sleeve 41 overlaps with the axis of the stator; the shifting frame 33 is arranged on one side of the rotary motor 32; the rotating shaft 34 is fixedly connected to the connecting seat 31 and rotatably connected to the shifting frame 33, and the axis of the rotating shaft 34 is perpendicular to the axis of the stator; the shifting motor 35 is fixedly connected to the shifting frame 33 and transmission-connected to the rotating shaft 34.

[0024] By providing the rotary motor 32 and the position-changing motor 35 , the transition sleeve 41 can be driven to rotate around two mutually perpendicular axes, so that the posture of the stator can be adjusted to achieve the paint dripping operation at various locations of the stator.

[0025] Specifically, the present embodiment further comprises a workbench 1, the displacement frame 33 is fixedly connected to the top of the workbench 1, and the paint dripping mechanism 2 is arranged above the displacement frame 33.

[0026] Specifically, the present embodiment further includes a loading and unloading mechanism, which is disposed on one side of the workbench 1 , and is used to transport the stator to the clamping and heating mechanism 4 and also to transport the stator on the clamping and heating mechanism 4 out.

[0027] Specifically, the loading and unloading mechanism includes a moving rail 5 and a moving seat 6, wherein the moving rail 5 is arranged on one side of the workbench 1 and the transmission direction of the moving rail 5 is horizontal; the moving seat 6 moves on the moving rail 5 along the length direction of the moving rail 5, and the stator can be fixed on the moving seat 6.

[0028] Specifically, two movable seats 6 are provided; both ends of the movable track 5 are set as loading and unloading stations, and the middle position is set as a transfer station, which is arranged adjacent to the workbench 1. The two movable seats 6 correspond to the two loading and unloading stations respectively, and move between the corresponding loading and unloading stations and the transfer station.

[0029] Specifically, by setting two moving seats 6, when one of the moving seats 6 realizes the transfer of the stator between the moving seat 6 and the tooling 42 at the transfer station, the other moving seat 6 can move to its corresponding loading and unloading station to load and unload the stator.

[0030] Specifically, two movable rails 5 are provided, and the movable seat 6 slides on the two movable rails 5; two connecting rods 7 are provided at both ends of the movable rail 5, and the two ends of the connecting rod 7 are respectively fixedly connected to the two movable rails 5, and the bottoms of the two ends of the connecting rod 7 are fixedly connected with vertically arranged support rods 71.

[0031] The moving track 5 includes a flip section 52 and a fixed section 51, wherein the flip section 52 is arranged at the transfer station; each moving track 5 includes two fixed sections 51, wherein the two fixed sections 51 are respectively arranged at the two ends of the flip section 52, and the fixed sections 51 are fixedly connected to the connecting rod 7. A connecting plate 53 is fixedly connected to the bottom of the two flip sections 52, and the two ends of the flip section 52 close to the workbench 1 are rotatably connected to the two fixed sections 51 at the two ends of the flip section 52; two flip members 54 are arranged on the side of the bottom of the connecting plate 53 away from the workbench 1, and the flip member 54 is arranged as a cylinder, and a support plate 72 fixedly connected to the support rod 71 is arranged at the bottom of the flip member 54, and the cylinder body of the flip member 54 is rotatably connected to the support plate 72, and the piston rod is rotatably connected to the bottom of the connecting plate 53, and the top end of the flip member 54 is tilted toward the direction close to the workbench 1.

[0032] When the movable seat 6 moves to the two flip sections 52, the connecting plate 53 rotates to vertical under the action of the flip member 54. At this time, the axis of the stator on the movable seat 6 is horizontal and the stator can be aligned with the installation position of the stator on the tooling 42 by rotating the tooling 42, thereby facilitating the stator to be fixed on the tooling 42.

[0033] Specifically, the movable seat 6 includes a movable plate 61, a limiting plate 63 and a limiting ring 62, wherein the movable plate 61 is supported on the top of the two movable rails 5; the limiting plates 63 are provided with two and fixedly connected to the bottom of the movable plate 61, and the two limiting plates 63 are respectively fitted with the sides of the two movable rails 5 that are close to each other; the limiting ring 62 is fixedly connected to the top of the movable plate 61, and a clearance hole 611 is provided at the bottom of the limiting ring 62, which vertically penetrates the movable plate 61. The clearance hole 611 is a circular hole and is coaxial with the limiting ring 62. The inner diameter of the limiting ring 62 is equal to the outer diameter of the stator, and the diameter of the clearance hole 611 is smaller than the inner hole of the limiting ring 62; a clamping piece 81 is fixedly connected to the top of the connecting plate 53, and the clamping piece 81 is configured as a double-headed Double-outlet air cylinder, two arc plates 82 are fixedly connected to the two piston rods of the clamping member 81. When the clearance hole 611 is located directly above the clamping member 81, the arc plates 82 are symmetrically arranged relative to the axis of the stator. The bottom of the connecting plate 53 is fixedly connected to a lifting member 8 that drives the clamping member 81 to slide along the axial direction of the limiting ring 62. The lifting member 8 is arranged as a hydraulic cylinder; the limiting plate 63 is provided with a positioning hole 631 that penetrates the limiting plate 63 in a direction perpendicular to the length direction of the two moving rails 5. A positioning member is fixedly connected to the side of the two flipping sections 52 that are away from each other. The positioning member is arranged as a cylinder. The cylinder body of the positioning member is fixedly connected to the flipping section 52, and the piston rod of the positioning member can pass through the flipping section 52 and be inserted into the positioning hole 631.

[0034] When the moving seat 6 moves to the two flip sections 52, the piston rods of the two positioning members extend and are respectively inserted into the two positioning holes 631 on the two limit plates 63 to lock the moving seat 6 and the flip sections 52; then the clamping member 81 moves into the stator under the action of the lifting member 8, and then the clamping member 81 drives the two arc plates 82 to tighten on the inner side of the stator to fix the stator; then the connecting plate 53 flips to a vertical state and aligns the stator with the installation position of the stator on the tooling 42, and then the lifting member 8 pushes the stator toward the tooling 42, so that the stator and the tooling 42 are connected, and then the clamping claws are tightened on the inner side of the stator to install the stator. When the stator needs to be moved from the tooling 42 to the moving seat 6, only the reverse operation is required.

[0035] Specifically, the sides of the two moving rails 5 that are close to each other are set to be rack-shaped, and two groups of gears 64 are rotatably connected to the bottom of the moving plate 61. The two groups of gears 64 are respectively engaged with the racks on the two moving rails 5. Each group includes two gears 64. The setting of the gears 64 and the racks facilitates the movement of the moving plate 61 on the two moving rails 5.

[0036] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A constant temperature paint dripping device for axial flux flat wire motor, characterized by: It comprises a clamping and heating mechanism (4), wherein the clamping and heating mechanism (4) is used to clamp the stator and heat the stator; A displacement mechanism (3), the displacement mechanism (3) being used to drive the clamping and heating mechanism (4) to rotate around at least two axes and thereby drive the stator to rotate; and a paint dripping mechanism (2), wherein the paint dripping mechanism (2) is used to drip insulating paint onto the stator in the clamping and heating mechanism (4); The clamping and heating mechanism (4) comprises a tool (42), the stator is fixed on one side of the tool (42), and the tool (42) is used to position the stator; A transition sleeve (41), wherein the transition sleeve (41) is fixedly connected to a side of the tooling (42) away from the stator, and an accommodating cavity is provided in the transition sleeve (41); and an induction coil (43), wherein the induction coil (43) is arranged in the accommodating cavity and adjacent to the tooling (42).

2. The constant temperature paint dripping equipment for axial flux flat wire motor according to claim 1 is characterized by: The displacement mechanism (3) comprises a connecting seat (31), and the transition sleeve (41) is rotatably connected to the connecting seat (31); A rotary motor (32), wherein the output shaft of the rotary motor (32) is drivingly connected to a transition sleeve (41), and the rotation axis (34) of the transition sleeve (41) overlaps the axis of the stator; A displacement frame (33), wherein the displacement frame (33) is arranged on one side of the rotary motor (32); A rotating shaft (34), the rotating shaft (34) is fixedly connected to the connecting seat (31) and rotatably connected to the displacement frame (33), and the axis of the rotating shaft (34) is perpendicular to the axis of the stator; and a position changing motor (35), wherein the position changing motor (35) is fixedly connected to the position changing frame (33) and is drivingly connected to the rotating shaft (34).

3. The constant temperature paint dripping equipment for axial flux flat wire motor according to claim 2 is characterized by: It also comprises a workbench (1), the displacement frame (33) is fixedly connected to the top of the workbench (1), and the paint dripping mechanism (2) is arranged above the displacement frame.

4. The constant temperature paint dripping device for axial flux flat wire motor according to claim 3 is characterized by: It also comprises a loading and unloading mechanism, which is arranged on one side of the workbench (1) and is used to transport the stator to the clamping and heating mechanism (4) and also to transport the stator on the clamping and heating mechanism (4).

5. The constant temperature paint dripping equipment for axial flux flat wire motor according to claim 4 is characterized in that: The loading and unloading mechanism comprises a movable track (5), wherein the movable track (5) is arranged on one side of the workbench (1) and the transmission direction of the movable track (5) is horizontal; and a moving seat (6), wherein the moving seat (6) moves on the moving track (5) along the length direction of the moving track (5), and the stator can be fixed on the moving seat (6).

6. The constant temperature paint dripping device for axial flux flat wire motor according to claim 5 is characterized in that: The movable seats (6) are provided with two; The two ends of the movable track (5) are set as loading and unloading stations, and the middle position is set as a transfer station. The transfer station is set close to the workbench (1). The two movable seats (6) correspond to the two loading and unloading stations respectively, and move between the corresponding loading and unloading stations and the transfer station.

7. The constant temperature paint dripping device for axial flux flat wire motor according to claim 6 is characterized by: The movable rails (5) are provided with two, and the movable seat (6) slides on the two movable rails (5); Two connecting rods (7) are arranged at both ends of the moving track (5), and the two ends of the connecting rod (7) are respectively fixedly connected to the two moving tracks (5), and the bottoms of the two ends of the connecting rod (7) are fixedly connected to vertically arranged support rods (71).

8. The constant temperature paint dripping device for axial flux flat wire motor according to claim 7 is characterized in that: The moving track (5) comprises a turning section (52), and the turning section (52) is arranged at the transfer station; and a fixed section (51), each movable track (5) comprises two fixed sections (51), the two fixed sections (51) are respectively arranged at two ends of the flip section (52), and the fixed sections (51) are fixedly connected to the connecting rod (7).

9. The constant temperature paint dripping device for axial flux flat wire motor according to claim 8, characterized in that: The bottoms of the two flipping sections (52) are fixedly connected with connecting plates (53), and the two ends of the flipping section (52) close to the workbench (1) are rotatably connected to the two fixed sections (51) at the two ends of the flipping section (52); Two flipping members (54) are arranged at the side of the bottom of the connecting plate (53) away from the workbench (1); the flipping member (54) is arranged as a cylinder; a support plate (72) fixedly connected to a support rod (71) is arranged at the bottom of the flipping member (54); a cylinder body of the flipping member (54) is rotatably connected to the support plate (72); a piston rod is rotatably connected to the bottom of the connecting plate (53); and a top end of the flipping member (54) is arranged to be inclined in a direction close to the workbench (1).

10. The constant temperature paint dripping device for axial flux flat wire motor according to claim 9, characterized in that: The movable seat (6) comprises a movable plate (61), and the movable plate (61) is supported on the top of the two movable rails (5); A limiting plate (63), wherein two limiting plates (63) are provided and fixedly connected to the bottom of the movable plate (61), and the two limiting plates (63) are respectively in contact with the sides of the two movable rails (5) that are close to each other; and a limiting ring (62), wherein the limiting ring (62) is fixedly connected to the top of the moving plate (61), and a clearance hole (611) vertically penetrating the moving plate (61) is provided at the bottom of the limiting ring (62), the clearance hole (611) is a circular hole and is coaxial with the limiting ring (62), the inner diameter of the limiting ring (62) is equal to the outer diameter of the stator, and the diameter of the clearance hole (611) is smaller than the inner hole of the limiting ring (62); The top of the connecting plate (53) is fixedly connected with a clamping member (81), and the clamping member (81) is configured as a double-head double-outlet cylinder. Two arc-shaped plates (82) are fixedly connected to the two piston rods of the clamping member (81). When the clearance hole (611) is located directly above the clamping member (81), the arc-shaped plates (82) are symmetrically arranged relative to the axis of the stator. The bottom of the connecting plate (53) is fixedly connected with a lifting member (8) that drives the clamping member (81) to slide along the axis of the limiting ring (62), and the lifting member (8) is configured as a hydraulic cylinder. The limiting plate (63) is provided with a positioning hole (631) penetrating the limiting plate (63) in a direction perpendicular to the length direction of the two movable rails (5); a positioning member is fixedly connected to the side of the two flip sections (52) that is away from each other; the positioning member is configured as a cylinder; the cylinder body of the positioning member is fixedly connected to the flip section (52); and the piston rod of the positioning member can pass through the flip section (52) and be inserted into the positioning hole (631).

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