Brand new energy automobile rotor assembly line tray design scheme

Abstract

The invention belongs to the technical field of motor assembly lines, and discloses a brand new new energy automobile rotor assembly line tray design scheme, which comprises a substrate and a stator body, the stator body is provided with a bearing hole which is coaxially arranged, and the stator body is provided with a plurality of first positioning holes which are annularly and uniformly distributed around the central axis of the bearing hole; the stator body is provided with core holes which are annularly and uniformly distributed around the central axis of the bearing hole, a plurality of magnetic steels are slidably connected in the core holes, the first positioning hole and the core holes are coaxially arranged with the bearing hole, and the first positioning hole, the core holes and the bearing hole penetrate through the two ends of the stator body; a positioning ring is fixed on the base plate, and a tool chassis is detachably connected to the positioning ring; the lower end face of the stator body is more exposed in the air while the magnetic steel is prevented from falling off, and due to the fact that the gaps are reserved between the adjacent protruding blocks, the gas circulation performance is improved, cooling and heat dissipation of the heated stator body in the conveying process are facilitated, and the cooling efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of motor assembly lines, and specifically relates to a brand-new design scheme for a pallet of a rotor assembly line for a new energy vehicle. Background Art

[0002] With the continuous improvement of automation level, the technology of production and assembly lines of important automobile parts is changing with each passing day, and the requirements for production energy efficiency are getting higher and higher; the rotor and stator are one of the key components of electric vehicle motors. The rotor and stator together constitute the core components of the motor and play an important role; among them, the stator is covered with magnetic steel, which plays a key role in the performance of the motor, while the rotor carries the current and interacts with the stator magnetic field to achieve power transmission;

[0003] In the assembly line, the stator needs to be transported to each workstation for assembly in turn. In order to ensure that the magnet does not fall during the stator transportation process, the current technology usually uses a pallet to place and transport the stator vertically, so that the pallet can provide support to keep the stator stable.

[0004] However, heating and other operations may be required during the assembly process of the stator. After the assembly of the parts is completed at the processing station, it needs to be transported to the subsequent station for subsequent assembly work. Due to production requirements, the subsequent cooling process of the high-temperature stator becomes an indispensable part of the production line; the traditional tray design performs a sealed lifting support on the bottom of the stator, which is not conducive to the cooling and heat dissipation of the stator; therefore, the traditional tray in the prior art has the problem of being not conducive to cooling and heat dissipation of the stator body after heating treatment. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a new design scheme for a pallet for a rotor assembly line of a new energy vehicle, which solves the problem that the traditional pallet in the prior art is not conducive to cooling and dissipating the stator body after heating treatment.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A new design scheme for a rotor assembly line tray for a new energy vehicle includes a base plate and a stator body, wherein the stator body is provided with a coaxially arranged bearing hole, the stator body is provided with a plurality of first positioning holes evenly distributed in a ring shape around the central axis of the bearing hole, the stator body is provided with a core hole evenly distributed in a ring shape around the central axis of the bearing hole, a plurality of magnetic steels are slidably connected in the core holes, the first positioning hole and the core hole are both coaxially arranged with the bearing hole, and the first positioning hole, the core hole and the bearing hole all pass through both ends of the stator body;

[0008] A positioning ring is fixed on the base plate, and a tooling chassis is detachably connected to the positioning ring. A support block is fixed on the upper end of the tooling chassis, and a vertically placed center column is fixed on the upper end of the support block. The diameter of the center column is equal to the diameter of the bearing hole. A plurality of protrusions are evenly distributed in a ring shape around the central axis of the center column on the upper end of the support block, and gaps are left between adjacent protrusions. The number of protrusions is equal to and corresponds to the core holes. The stator body is slidably sleeved on the center column, and the lower end surface of the stator body contacts the upper end surface of the protrusion, and the protrusions are all located directly below the corresponding core holes and block the core holes.

[0009] The central column is in the shape of a shell with a hollow interior and an open top. The peripheral wall of the central column is provided with a plurality of ventilation grooves, which are all connected to the interior of the central column.

[0010] A vertically placed positioning pin is fixed on the support block, the diameter of the positioning pin is equal to the diameter of the first positioning hole, the positioning pin is slidably connected to any of the first positioning holes, and when the positioning pin is inserted into any of the first positioning holes, the protrusion is just located below the core hole;

[0011] The tooling chassis is placed on the positioning ring, the lower end of the tooling chassis extends into the positioning ring and is slidably connected with the positioning ring, and the peripheral wall of the lower end of the tooling chassis fits with the inner peripheral wall of the positioning ring, and the diameter of the upper end surface of the tooling chassis is larger than the inner diameter of the positioning ring;

[0012] The upper end surface of the positioning ring is provided with a plurality of second positioning holes placed vertically, and a plurality of positioning pins are fixed on the tooling chassis, the number of the positioning pins is equal to and corresponds to the second positioning holes, and the positioning pins are all slidably connected in the corresponding second positioning holes;

[0013] A circular ring groove coaxially arranged with the positioning ring is provided on the peripheral wall at the lower end of the tooling chassis, and a pair of symmetrically arranged indexing pins are slidably connected to the peripheral wall of the positioning ring, the central axis of the indexing pins is horizontally oriented toward the central axis of the positioning ring, and one end of the indexing pins horizontally passes through the positioning ring and extends into the circular ring groove;

[0014] The base plate is a rectangular plate. The four sides of the upper end surface of the base plate are fixed with fixing seats. The fixing seats are fixed with stoppers made of elastic rubber materials. One end of the stoppers extends out of the base plate.

[0015] Beneficial effects of the present invention:

[0016] 1. In the present application, by sleeve-mounting the stator body on the central column and making the protrusions directly below the corresponding core holes, the stability of the stator body during transportation can be maintained to prevent the stator body from tipping over. At the same time, the protrusions abut against the lower end of the core hole to prevent the magnetic steel in the stator body from falling off.

[0017] At the same time, the present application adopts multiple evenly distributed protrusions to support the stator body, which can prevent the magnetic steel from falling off and make the lower end surface of the stator body more exposed to the air. In addition, since there are gaps between adjacent protrusions, the gas flowability is increased, which facilitates the cooling and heat dissipation of the heated stator body during transportation, thereby improving the cooling efficiency.

[0018] 2. The hollow design of the central column and the setting of the air-permeable groove can further increase the contact area between the stator body and the air and improve the cooling efficiency;

[0019] 3. Through the setting of the positioning pin, when the stator body is placed on the tray, it is convenient to accurately control the alignment of the protrusion and the core hole, and the stator body is limited by the center column and the positioning pin, which improves the stability of the stator body during transportation, prevents the stator body from rotating around the axis of the center column, and avoids the problem of the magnetic steel falling caused by the misalignment of the protrusion and the corresponding core hole;

[0020] 4. Through the coordinated arrangement of the tooling chassis, the positioning ring, the second positioning hole, the positioning pin, the indexing pin and the circular ring groove, a detachable connection between the tooling chassis and the positioning ring is achieved, which facilitates the replacement of the tooling chassis with the support block of the corresponding specification on the positioning ring according to the stator body of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a partial structural schematic diagram of the central column of the present invention;

[0024] Figure 3 It is a partial structural schematic diagram of the positioning ring of the present invention;

[0025] Figure 4 It is a partial structural schematic diagram of the circular ring groove of the present invention;

[0026] Figure 5 It is a schematic diagram of the stator body structure of the present invention. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figures 1 to 5 As shown, a new design scheme of a rotor assembly line tray for a new energy vehicle includes a base plate 100 and a stator body 200. The stator body 200 is provided with a coaxially arranged bearing hole 201. The stator body 200 is provided with a plurality of first positioning holes 202 evenly distributed in a ring shape around the central axis of the bearing hole 201. The stator body 200 is provided with a core hole 203 evenly distributed in a ring shape around the central axis of the bearing hole 201. A plurality of magnetic steels 204 are slidably connected in the core hole 203. The first positioning hole 202 and the core hole 203 are coaxially arranged with the bearing hole 201, and the first positioning hole 202, the core hole 203 and the bearing hole 201 all pass through both ends of the stator body 200.

[0029] A positioning ring 300 is fixed on the base plate 100, and a tooling chassis 400 is detachably connected to the positioning ring 300. A support block 500 is fixed on the upper end of the tooling chassis 400. A vertically placed center column 600 is fixed on the upper end of the support block 500. The diameter of the center column 600 is equal to the diameter of the bearing hole 201. A plurality of protrusions 501 are evenly distributed in a ring shape around the central axis of the center column 600 on the upper end of the support block 500. There are gaps between adjacent protrusions 501. The number of protrusions 501 and the core hole 203 are equal and correspond one to one. The stator body 200 is slidably sleeved on the center column 600, and the lower end surface of the stator body 200 contacts the upper end surface of the protrusion 501. The protrusions 501 are all located directly below the corresponding core hole 203 and block the core hole 203.

[0030] During assembly of the production line, the substrate 100 is installed and placed on a conveyor line, and the conveyor line is used to transport the substrate 100 and the stator body 200 thereon to each workstation;

[0031] When the stator body 200 is placed on the tray, the stator body 200 can be grasped with the assistance of a mechanical arm in the prior art, and the stator body 200 can be sleeved on the central column 600, and the protrusions 501 are all located directly below the corresponding core holes 203. The central column 600 can be set to keep the stator body 200 stable during transportation to prevent the stator body 200 from tipping over. At the same time, the protrusions 501 abut against the lower end of the core hole 203 to prevent the magnetic steel 204 in the stator body 200 from falling off.

[0032] At the same time, after the stator body 200 is heated in some assembly stations, due to production needs, subsequent cooling becomes an essential part of the production line. In the present application, a plurality of evenly distributed protrusions 501 are used to support the stator body 200. While preventing the magnetic steel 204 from falling, the lower end surface of the stator body 200 is more exposed to the air. In addition, since there are gaps between adjacent protrusions 501, the gas flowability is increased, which facilitates the cooling and heat dissipation of the heated stator body 200 during transportation, thereby improving the cooling efficiency.

[0033] In order to further improve the cooling efficiency of the stator body 200 after being heated in the heating station, the central column 600 is in the shape of a shell with a hollow interior and an open upper end. A plurality of air permeable grooves 601 are provided on the peripheral wall of the central column 600, and the air permeable grooves 601 are all connected to the interior of the central column 600; the contact area between the stator body 200 and the air can be further increased, thereby improving the cooling efficiency.

[0034] During the transportation process, if the stator body 200 accidentally rotates around the center column 600, the protrusion 501 and the corresponding core hole 203 will be misaligned, thereby causing the magnetic steel 204 to fall off. In order to prevent the stator body 200 from accidentally rotating around the center column 600, a vertically placed positioning pin 700 is fixed on the support block 500. The diameter of the positioning pin 700 is equal to the diameter of the first positioning hole 202. The positioning pin 700 is slidably connected to any first positioning hole 202, and when the positioning pin 700 is inserted into any first positioning hole 202, the protrusion 501 is just located directly below the core hole 203; through the setting of the positioning pin 700, when the stator body 200 is placed on the tray, it is convenient to accurately control the alignment of the protrusion 501 and the core hole 203, and the stator body 200 is limited by the center column 600 and the positioning pin 700, which improves the stability of the stator body 200 during transportation and prevents the stator body 200 from rotating around the axis of the center column 600.

[0035] The tooling chassis 400 is placed on the positioning ring 300, and the lower end of the tooling chassis 400 extends into the positioning ring 300 and is slidably connected to the positioning ring 300, and the peripheral wall of the lower end of the tooling chassis 400 is in contact with the inner peripheral wall of the positioning ring 300, and the upper end surface diameter of the tooling chassis 400 is larger than the inner diameter of the positioning ring 300; the tooling chassis 400 can be stably placed on the positioning ring 300. Preferably, the support block 500 and the upper end protrusion 501, the center column 600 and the positioning pin 700 in the present application can be set to a variety of different specifications, while the tooling chassis 400 at the lower end of the support block 500 has a unified specification. When stator bodies 200 of different specifications are placed on the tray, the tooling chassis 400 can be easily taken out and replaced with a tooling chassis 400 with a support block 500 of the corresponding specification.

[0036] A plurality of vertically placed second positioning holes 301 are provided on the upper end surface of the positioning ring 300, and a plurality of positioning pins 401 are fixed on the tooling chassis 400. The number of the positioning pins 401 and the second positioning holes 301 are equal and correspond one to one, and the positioning pins 401 are all slidably connected in the corresponding second positioning holes 301; by the coordinated setting of the positioning pins 401 and the second positioning holes 301, the stability of the connection between the tooling chassis 400 and the positioning ring 300 is improved.

[0037] A circular groove 402 coaxially arranged with the positioning ring 300 is provided on the peripheral wall at the lower end of the tooling chassis 400, and a pair of symmetrically placed indexing pins 800 are slidably connected to the peripheral wall of the positioning ring 300, the central axis of the indexing pin 800 is horizontally oriented to the central axis of the positioning ring 300, and one end of the indexing pin 800 horizontally passes through the positioning ring 300 and extends into the circular groove 402; when the tooling chassis 400 needs to be replaced, the indexing pin 800 is manually pulled out of the circular groove 402, and the tooling chassis 400 can be removed from the positioning ring 300 for replacement; after replacing the new tooling chassis 400, the ends of the two indexing pins 800 are pushed and inserted into the circular groove 402;

[0038] Preferably, a spring may be provided inside or outside the indexing pin 800 in the present application, one end of the spring is fixed to the outer wall of the positioning ring 300, and the other end of the spring is connected to the indexing pin 800, and the spring is always in a stretched state, so as to exert a horizontal force on the indexing pin 800 toward the central axis of the positioning ring 300, so as to avoid accidental sliding or falling off of the indexing pin 800 during transportation;

[0039] Preferably, in another embodiment of the present application, the sliding connection between the indexing pin 800 and the positioning ring 300 can be changed to a threaded connection. Twisting the indexing pin 800 can make it close to or away from the central axis of the positioning ring 300. By tightening the two indexing pins 800, the ends of the two indexing pins 800 are squeezed and contacted with the peripheral wall of the tooling chassis 400, and a detachable connection between the positioning ring 300 and the tooling chassis 400 can be achieved, while also preventing the indexing pin 800 from sliding accidentally.

[0040] The substrate 100 is a rectangular plate, and fixed seats 900 are fixed on all four sides of the upper end surface of the substrate 100. Stoppers 901 made of elastic rubber material are fixed on the fixed seats 900, and one end of the stoppers 901 extends out of the substrate 100; when the conveyor line drives the tray to move, when the tray moves to the work station and collides, the collision can be buffered by the stoppers 901 made of elastic rubber material.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A new design scheme for a rotor assembly line tray for a new energy vehicle, comprising a base plate (100) and a stator body (200), characterized in that: The stator body (200) is provided with a coaxially arranged bearing hole (201), the stator body (200) is provided with a plurality of first positioning holes (202) uniformly distributed in a ring shape around the central axis of the bearing hole (201), the stator body (200) is provided with a core hole (203) uniformly distributed in a ring shape around the central axis of the bearing hole (201), the core hole (203) is slidably connected with a plurality of magnetic steels (204), the first positioning hole (202) and the core hole (203) are both coaxially arranged with the bearing hole (201), and the first positioning hole (202), the core hole (203) and the bearing hole (201) all pass through both ends of the stator body (200); A positioning ring (300) is fixed on the base plate (100), a tooling chassis (400) is detachably connected to the positioning ring (300), a support block (500) is fixed on the upper end of the tooling chassis (400), a vertically placed central column (600) is fixed on the upper end of the support block (500), the diameter of the central column (600) is equal to the diameter of the bearing hole (201), and the upper end of the support block (500) is circular around the central axis of the central column (600). A plurality of protrusions (501) are evenly distributed in shape, gaps are left between adjacent protrusions (501), the number of protrusions (501) and the number of core holes (203) are equal and correspond one to one, the stator body (200) is slidably sleeved on the central column (600), the lower end surface of the stator body (200) abuts against the upper end surface of the protrusion (501), and the protrusions (501) are all located directly below the corresponding core holes (203) and block the core holes (203).

2. The new new energy vehicle rotor assembly line pallet design according to claim 1 is characterized in that: The central column (600) is in the shape of a shell with a hollow interior and an open upper end. A plurality of air permeable grooves (601) are provided on the peripheral wall of the central column (600), and the air permeable grooves (601) are all connected to the interior of the central column (600).

3. The new new energy vehicle rotor assembly line pallet design according to claim 2 is characterized in that: A vertically placed positioning pin (700) is fixed on the support block (500), the diameter of the positioning pin (700) is equal to the diameter of the first positioning hole (202), the positioning pin (700) is slidably connected to any first positioning hole (202), and when the positioning pin (700) is inserted into any first positioning hole (202), the protrusion (501) is exactly located below the core hole (203).

4. The new new energy vehicle rotor assembly line pallet design according to claim 3 is characterized in that: The tooling chassis (400) is placed on the positioning ring (300), the lower end of the tooling chassis (400) extends into the positioning ring (300) and is slidably connected to the positioning ring (300), and the peripheral wall of the lower end of the tooling chassis (400) is in contact with the inner peripheral wall of the positioning ring (300), and the diameter of the upper end surface of the tooling chassis (400) is larger than the inner diameter of the positioning ring (300).

5. The new new energy vehicle rotor assembly line pallet design according to claim 4 is characterized in that: The upper end surface of the positioning ring (300) is provided with a plurality of vertically placed second positioning holes (301), and a plurality of positioning pins (401) are fixed on the tooling chassis (400), the number of the positioning pins (401) and the second positioning holes (301) are equal and correspond one to one, and the positioning pins (401) are all slidably connected in the corresponding second positioning holes (301).

6. The new new energy vehicle rotor assembly line pallet design according to claim 5 is characterized in that: A circular groove (402) is provided on the peripheral wall at the lower end of the tooling chassis (400) and is coaxially arranged with the positioning ring (300). A pair of symmetrically arranged indexing pins (800) are slidably connected to the peripheral wall of the positioning ring (300). The central axis of the indexing pin (800) is horizontally oriented toward the central axis of the positioning ring (300), and one end of the indexing pin (800) horizontally passes through the positioning ring (300) and extends into the circular groove (402).

7. The new new energy vehicle rotor assembly line pallet design according to claim 6 is characterized in that: The base plate (100) is a rectangular plate. A fixing seat (900) is fixed around the upper end surface of the base plate (100). A stopper (901) made of elastic rubber material is fixed on the fixing seat (900). One end of the stopper (901) protrudes out of the base plate (100).

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