Assembling tool for assembling stator and rotor

Abstract

The utility model discloses an assembling tool for assembling a stator and a rotor, which meets the technical requirements of assembling and is convenient for personnel to operate. A first back plate is mounted on one side of the first bottom plate, and a lower tip is mounted on the first bottom plate; first guide columns are mounted around upper and lower tips of the first bottom plate; a first supporting plate is arranged above the first bottom plate, the lower tip penetrates through the first supporting plate, the first guide column penetrates through the first supporting plate, and a first eyebolt is installed on the first supporting plate; a first triangular seat is mounted on the first back plate; an upper tip is mounted on the first triangular seat; two groups of pulley blocks are mounted on the first back plate; the pulley block comprises a first wheel plate fixed to the first back plate, and first pulleys are installed at the two ends of the first wheel plate respectively. A first counterweight plate is arranged above the first bottom plate, and second eyebolts are respectively mounted on the first counterweight plate; one end of the lifting rope is connected with the first eyebolt, the lifting rope penetrates through the first pulley on the first wheel plate, and the other end of the lifting rope is connected with the second eyebolt.

Description

Technical Field

[0001] This utility model belongs to the field of clamping tooling technology, specifically relating to the assembly process of motor stator and rotor used in new energy vehicles, and an assembly tool for rotor assembly. Background Technology

[0002] The power unit of electric vehicles uses permanent magnet motors for driving. In the core process of motor manufacturing, the precise assembly of the stator and rotor is crucial to ensuring the motor's efficient and stable operation. The stator, as the stationary part of the motor, generates a rotating magnetic field through electromagnetic induction; the rotor, as the rotating part of the motor, rotates under the influence of the magnetic field, converting electrical energy into mechanical energy.

[0003] Based on project and customer requirements, a certain number of motor assembly prototypes need to be assembled. Considering the strong magnetic characteristics of the rotor assembly, hundreds of kilograms of radial force will be generated during the assembly process, which can easily cause scratches due to the attraction between the stator and rotor, affecting product quality. Therefore, a tooling that can effectively fix the rotor and complete the assembly of the stator and rotor is needed to complete the product assembly. Summary of the Invention

[0004] In view of the shortcomings of the above-mentioned background technology, the purpose of this utility model is to provide an assembly tool for stator and rotor assembly that meets the assembly technology requirements and is convenient for personnel to operate.

[0005] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows:

[0006] An assembly tool for assembling a stator and rotor box includes a first base plate, a first back plate installed on one side of the first base plate, a lower center installed on the first base plate, a first guide post installed around the upper and lower center of the first base plate, a first support plate provided above the first base plate, the lower center passing through the first support plate, the first guide post passing through the first support plate, and a first lifting eye bolt installed on the first support plate.

[0007] A first triangular base is installed on the first back plate; a top center is installed on the first triangular base; two sets of pulleys are installed on the first back plate; the pulley sets include a first wheel plate fixed to the first back plate, and first pulleys are installed at both ends of the first wheel plate respectively;

[0008] A first counterweight plate is installed above the first base plate, and second lifting eye bolts are installed on the first counterweight plate respectively; one end of the lifting rope is connected to the first lifting eye bolt, the lifting rope passes through the first pulley on the first wheel plate, and the other end of the lifting rope is connected to the second lifting eye bolt;

[0009] It also includes a centering rod; the centering rod is clamped between the lower center and the upper center, the housing assembly passes through the centering rod and is placed on the first support plate, the rotor assembly passes through the centering rod and is placed below the upper center; the counterweight is placed on the first counterweight plate to increase the weight and drive the first support plate to move up, and the housing assembly moves up and is joined with the rotor assembly.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the top of the lower center is bolted to the first base plate and the top of the lower center is conical; it also includes a housing fixing seat, the cross section of the housing fixing seat is stepped, the housing fixing seat is bolted to the first support plate, and the lower center passes through the housing fixing seat.

[0011] Based on the above scheme and as a preferred embodiment: a pressure head sleeve is bolted to the lower surface of the flat plate of the first triangular seat; a through hole is formed between the top and bottom surfaces of the pressure head sleeve, and a first annular retaining ring protrudes from the inner wall of the top of the first through hole; a pressure head cover plate is also included, which is placed on the pressure head sleeve, and a threaded hole is formed in the middle of the pressure head cover plate, which communicates with the first through hole, and a screw passes through the pressure head cover plate and is connected and fixed to the pressure head sleeve; the bottom of the upper center is conical, and a second retaining ring protrudes from the top of the upper center, which is inserted into the first through hole and protrudes out; a screw rod is also included, which is screwed into the threaded hole and presses against the upper center rod for fixation; the top and bottom surfaces of the centering rod are recessed to form positioning pits, and the upper and lower centers are respectively inserted into the positioning pits for fixation.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: four first guide posts are installed on the first base plate; four first guide sleeves are installed on the first support plate respectively, and the first guide posts are inserted into the first guide sleeves.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme: two second guide posts are installed on the first base plate; two second guide sleeves are installed on the first counterweight plate respectively, and the second guide posts are inserted into the second guide sleeves; a limit bar is fixed on the first counterweight plate, and a cylindrical cylinder is fixed around the limit bar, and the counterweight block is fitted into the limit bar for fixation.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme: it also includes a frame; a first base plate is placed on the frame, and a jack is placed inside the frame; it also includes a support rod; a through second hole is opened between the top and bottom surfaces of the support rod; a first groove with a notch facing downwards is opened on both sides of the support rod, and the first groove communicates with the second through hole to separate the support rod; two adjacent second through holes are opened on the first base plate; the support rod passes through the first support plate and the second through hole; a bearing is placed on the top of the support rod, and the piston rod of the jack presses against the bottom of the support rod.

[0015] The outstanding and beneficial technical effects of this utility model compared to the prior art are:

[0016] Compared with the prior art, the assembly tool for assembling the stator and rotor of this utility model includes a first base plate for installing the lower center point, a first support plate set above the first base plate, a housing assembly placed on the first support plate and a centering rod inserted, and the two ends of the lifting rope passing through pulleys and connected to the first lifting ring bolt on the first support plate and the second lifting ring bolt on the first counterweight plate to achieve lifting and lowering, thereby achieving the effect of assembling the stator and rotor.

[0017] The main components of this tooling are designed in a split manner, which allows for quick replacement of easily worn clamping blocks and enables rapid disassembly after simple adjustments, allowing for the reuse of parts. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model.

[0021] Figure 4 This is a schematic diagram of the overall exploded structure of this utility model.

[0022] Figure 5 This is a schematic cross-sectional view of the overall structure of this utility model.

[0023] Figure 6 This is a schematic cross-sectional view of the overall structure of this utility model.

[0024] Reference numerals: First base plate 01; First back plate 010; First guide post 011; First guide sleeve 012; Second guide post 013; Second guide sleeve 014; Lower center 02; First support plate 03; First eye bolt 030; Fixed seat 031; First triangular seat 04; Pressure head sliding sleeve 040; First through hole 0400; First retaining ring 0401; Pressure head cover plate 041; Threaded hole 0410; Screw 042; Upper center 05; Second retaining ring 050; Pulley block 06; First wheel plate 060; First pulley 061; First counterweight plate 07; Second eye bolt 070; Counterweight block 071; Limiting rod 072; Cylinder 073; Centering rod 08; Positioning pit 080; Frame 09; Jack 090; Support rod 091; Second through hole 0910; First groove 0911; Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments;

[0026] This embodiment provides an assembly tool for stator and rotor assembly, including a first base plate 01, which is a flat metal plate; a first back plate 010, also a flat metal plate, is installed on one side of the first base plate 01, and the first back plate 010 is welded and fixed to the first base plate 01; reinforcing plates are welded to both sides of the back of the first back plate 010 to improve stability; a lower center point 02 is installed on the first base plate 01; the center point is rod-shaped.

[0027] First guide posts 011 are installed around the upper and lower center points 02 of the first base plate 01; the bottom of the first guide posts 011 is connected to the first base plate 01 by bolts or welding and fixed; the first guide posts 011 are cylindrical; a first support plate 03 is provided above the first base plate 01; the lower center point 02 passes through the first support plate 03; the first guide posts 011 pass through the first support plate 03; a first lifting eye bolt 030 is installed on the first support plate 03; the first guide posts 011 are used to limit the first support plate 03 to move up and down; the first lifting eye bolt 030 is threadedly connected to the first support plate 03 and plays a pulling role.

[0028] A first triangular base 04 is installed on the first back plate 010; the first triangular base 04 is a metal block in the shape of a triangular pyramid, and the first triangular base 04 is fixed to the first back plate 010 by bolts to achieve detachability; an upper center 05 is installed on the first triangular base 04; the upper center 05 is rod-shaped; two sets of pulley groups 06 are installed on the first back plate 010; the pulley group 06 includes a first wheel plate 060 fixed to the first back plate 010, and first pulleys 061 are respectively installed at both ends of the first wheel plate 060;

[0029] Figure 2 As shown, a first counterweight plate 07 is provided above the first base plate 01, and second lifting eye bolts 070 are respectively installed on the first counterweight plate 07. The first counterweight plate 07 is flat and can be a metal plate or a plastic plate. The second lifting eye bolts 070 are threadedly connected to the first counterweight plate 07, and the lifting eye on the second lifting eye bolt 070 is used for pulling. One end of the lifting rope is connected to the first lifting eye bolt 030, and the lifting rope passes through the first pulley 061 on the first wheel plate 060. The other end of the lifting rope is connected to the second lifting eye bolt 070. The lifting rope passes through the first pulley 061 to pull the first support plate 03 and the first counterweight plate 07, so as to realize the lifting and lowering.

[0030] It also includes a centering rod 08; the centering rod 08 is cylindrical; the centering rod 08 is clamped between the lower center point 02 and the upper center point 05, the housing assembly passes through the centering rod 08 and is placed on the first support plate 03, the rotor assembly passes through the centering rod 08 and is placed below the upper center point 05; the counterweight block 071 is placed on the first counterweight plate 07 to increase the weight and drive the first support plate 03 to move upward, and the housing assembly moves upward and merges with the rotor assembly.

[0031] As mentioned above, the specific usage process is as follows: Figure 1As shown, first, the heat-shrinkable housing assembly is placed on the first support plate 03, then the rotor assembly is placed on the lower center point 02, the centering rod 08 is inserted into the rotor and stator, and the upper center point 05 is used to press and fix the centering rod 08; then, a weight is added to the first counterweight plate 07 of the tooling, and under the action of gravity, the housing assembly will be lifted upward to complete the assembly of the stator and rotor.

[0032] Furthermore, the top of the lower tip 02 is bolted to the first base plate 01, and the top of the lower tip 02 is conical.

[0033] like Figure 3 As shown, it also includes a housing fixing seat 031. The housing fixing seat 031 has a stepped cross section. The fixing seat 031 is used to insert into the housing assembly to achieve support and fixation. The housing fixing seat 031 is fixed to the first support plate 03 by bolts, and the lower center point 02 passes through the housing fixing seat 031.

[0034] As described above, a mounting bracket 031 is added to ensure stable installation of the housing assembly;

[0035] Further, such as Figure 5 As shown, a pressure head sleeve 040 is bolted to the lower surface of the flat plate of the first triangular seat 04; the bottom of the pressure head sleeve 040 is conical, and a disc-shaped bolt passes through the top of the pressure head sleeve 040 and is fixed to the first triangular seat 04; a through hole 0400 is provided between the top and bottom surfaces of the pressure head sleeve 040, and an annular first retaining ring 0401 protrudes from the inner wall of the top of the first through hole 0400; it also includes a pressure head cover plate 041, which is disc-shaped; the pressure head cover plate 041 is placed on the pressure head sleeve 040, and a threaded hole 0410 is provided in the middle of the pressure head cover plate 041, which communicates with the first through hole 0400, and a bolt passes through the pressure head cover plate 041 and is fixed to the pressure head sleeve 040;

[0036] The bottom of the upper tip 05 is conical, and the top of the upper tip 05 has a protruding second retaining ring 050. The upper tip 05 is inserted into the first through hole 0400 and protrudes out. It also includes a screw 042, which is screwed into the threaded hole 0410 to press and fix the upper tip 05. The screw 042 plays a role in fixing and adjusting. When the length of the centering rod 08 increases, the upper tip 05 moves upward and presses against the centering rod 08, and the screw 042 is screwed in to press and fix it. It is more practical.

[0037] Positioning pits 080 are formed by recessing the top and bottom surfaces of the middle rod 08, and the upper center 05 and lower center 02 are respectively inserted into the positioning pits 080 for fixation.

[0038] As described above, the upper tip 05 is inserted into the pressure head slide sleeve 040, the bolt passes through the pressure head slide sleeve 040 and is connected and fixed to the first triangular seat 04, the bolt passes through the pressure head cover plate 041 and is connected and fixed to the pressure head slide sleeve 040, and the screw 042 is screwed into the pressure head cover and abuts against the upper tip 05 for fixation; thus achieving an adjustable installation structure.

[0039] Furthermore, four first guide posts 011 are installed on the first base plate 01; four first guide sleeves 012 are installed on the first support plate 03 respectively, and the first guide posts 011 are inserted into the first guide sleeves 012.

[0040] As described above, the four first guide posts 011 have a better limiting effect, while the first guide sleeve 012 can move smoothly up and down.

[0041] Furthermore, two second guide posts 013 are installed on the first base plate 01; two second guide sleeves 014 are installed on the first counterweight plate 07 respectively, and the second guide posts 013 are inserted into the second guide sleeves 014.

[0042] A limit bar 072 is fixed on the first counterweight plate 07. A cylindrical cylinder 073 is fixed around the limit bar 072. The counterweight block 071 is fitted into the limit bar 072 for fixation.

[0043] As described above, the second guide post 013 serves as a limit, and the second guide sleeve 014 facilitates smooth movement; the limit bar 072 and the cylinder 073 serve to fix the counterweight 071, preventing the counterweight 071 from being stacked too high and too many, causing tilting; the counterweight 071 has a notch for fitting onto the limit bar 072.

[0044] Furthermore, it also includes a frame 09; a first base plate 01 is placed on the frame 09, and a jack 090 is placed inside the frame 09; the frame 09 is a metal tube welded frame for placement;

[0045] It also includes a support rod 091; the support rod 091 is cylindrical; a second through hole 0910 is provided between the top and bottom surfaces of the support rod 091; first grooves 0911 with downward notches are provided on both sides of the support rod 091, the first grooves 0911 communicate with the second through hole 0910 to separate the support rod 091; the two first grooves 0911 separate the support rod 091 into two parts;

[0046] Two adjacent second through holes 0910 are provided on the first base plate 01; the support rod 091 passes through the first support plate 03 and the second through hole 0910; a bearing is placed on the top of the support rod 091, and the piston rod of the jack 090 presses against the bottom of the support rod 091.

[0047] As described above, the support rod 091 passes through the first support plate 03 and the first base plate 01 and is placed on the jack 090. The lower center point 02 is inserted into the second through hole 0910 of the support rod 091. The bearing is placed on the top of the support rod 091. After the stator and rotor are assembled, the jack 090 below is used to press the bearing onto the rotor shaft.

[0048] In the description of this utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In this utility model, unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," "fixing," and "screw-on," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection.

[0050] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. An assembly tool for assembling a stator and rotor housing, characterized in that: Includes a first base plate, a first back plate installed on one side of the first base plate, a lower center point installed on the first base plate; a first guide post installed around the upper and lower center points of the first base plate; a first support plate is provided above the first base plate, the lower center point passes through the first support plate, the first guide post passes through the first support plate, and a first lifting eye bolt is installed on the first support plate; A first triangular base is installed on the first back plate; a top center is installed on the first triangular base; two sets of pulleys are installed on the first back plate; the pulley sets include a first wheel plate fixed to the first back plate, and first pulleys are installed at both ends of the first wheel plate respectively; A first counterweight plate is installed above the first base plate, and second lifting eye bolts are installed on the first counterweight plate respectively; one end of the lifting rope is connected to the first lifting eye bolt, the lifting rope passes through the first pulley on the first wheel plate, and the other end of the lifting rope is connected to the second lifting eye bolt; It also includes a centering rod; the centering rod is clamped between the lower center and the upper center, the housing assembly passes through the centering rod and is placed on the first support plate, the rotor assembly passes through the centering rod and is placed below the upper center; the counterweight is placed on the first counterweight plate to increase the weight and drive the first support plate to move up, and the housing assembly moves up and is joined with the rotor assembly.

2. The assembly tool for the stator and rotor housing according to claim 1, characterized in that: The top of the lower center point is bolted to the first base plate, and the top of the lower center point is conical. It also includes a housing mounting base, which has a stepped cross-section. The housing mounting base is fixed to the first support plate by bolts, and the lower center point passes through the housing mounting base.

3. The assembly tool for the stator and rotor housing according to claim 2, characterized in that: The lower surface of the flat plate of the first triangular seat is bolted to a pressure head slide sleeve; a through hole is opened between the top and bottom surfaces of the pressure head slide sleeve, and an annular first retaining ring protrudes from the inner wall of the top of the first through hole; it also includes a pressure head cover plate, which is placed on the pressure head slide sleeve, and a threaded hole is opened in the middle of the pressure head cover plate, which communicates with the first through hole, and a screw passes through the pressure head cover plate and is connected and fixed to the pressure head slide sleeve; The bottom of the upper tip is conical, and the top of the upper tip has a second retaining ring protruding from it. The upper tip is inserted into the first through hole and then protrudes out. It also includes a screw, which is screwed into the threaded hole to press and fix the upper tip. The top and bottom surfaces of the center rod are recessed to form positioning pits, and the upper and lower centers are inserted into the positioning pits for fixation.

4. The assembly tool for the stator and rotor housing according to claim 1, characterized in that: Four first guide posts are installed on the first base plate; four first guide sleeves are installed on the first support plate respectively, and the first guide posts are inserted into the first guide sleeves.

5. The assembly tool for the stator and rotor housing according to claim 1, characterized in that: Two second guide posts are installed on the first base plate; two second guide sleeves are installed on the first counterweight plate respectively, and the second guide posts are inserted into the second guide sleeves; A limit bar is fixed to the first counterweight plate, and a cylindrical cylinder is fixed around the limit bar. The counterweight block is fitted into the limit bar for fixation.

6. The assembly tool for the stator and rotor housing according to claim 1, characterized in that: It also includes a frame; the first base plate is placed on the frame, and jacks are placed inside the frame; It also includes a support rod; a second through hole is provided between the top and bottom surfaces of the support rod; a first groove with a downward notch is provided on both sides of the support rod, and the first groove communicates with the second through hole to separate the support rod; Two adjacent second through holes are provided on the first base plate; the support rod passes through the first support plate and the second through hole; a bearing is placed on the top of the support rod, and the piston rod of the jack presses against the bottom of the support rod.

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