Starter stator core pressing rivet device

Through the cooperation of the tool mold servo mechanism and multiple rivet servo mechanisms, the accuracy and efficiency of the starter stator core rivet operation are solved, and efficient multi-directional rivet operation is achieved, which improves processing accuracy and efficiency.

CN223156910UActive Publication Date: 2025-07-25XIAMEN SANLI GENERAL MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Application Number
CN202421561123.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-07-25
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The riveting operation accuracy and efficiency of the existing starter stator core is low, making it difficult to achieve efficient assembly and fixation.

Method used

The tool mold servo mechanism and multiple rivet servo mechanisms are adopted to achieve stable fixation of the starter stator core through the cooperation of the tool mold and the tool mold under the tool, and the multi-directional rivet servo mechanism completes the rivet operation of the core body, winding coil and magnetic pole sheet.

Benefits of technology

The accuracy and efficiency of the starter stator core rivet operation is improved, and the multi-directional rivet operation is realized, and the processing accuracy and efficiency are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a starter stator core press riveting device, which comprises a working table, a tool table, a press riveting servo mechanism, a tool upper die, a tool lower die and a tool die servo mechanism, the tool table is arranged on the table top of the working table, the tool die servo mechanism is provided with a coupler, is arranged at the bottom of the working table and is opposite to the tool table, and the tool lower die is arranged on the tool table. The coupler extends out of the tool table; the tool die servo mechanism controls the tool upper die to move downwards through the coupler, the tool lower die assembly block is opened, and the starter stator iron core is fixed to the tool table. The number of the press riveting servo mechanism is at least one, the press riveting servo mechanism is installed on one side of the tool table, after the starter stator iron core is fixed to the tool table, a press head arranged on the press riveting servo mechanism moves towards the starter stator iron core, and press riveting operation of the iron core body and the magnetic pole piece is completed. According to the utility model, a plurality of press riveting servo mechanisms are arranged, so that the press riveting operation of the stator core of the starter is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of remanufacturing starters, in particular to a starter stator core pressure riveting device. Background Art

[0002] The main function of the starter stator is to generate a rotating magnetic field. The stator core is an important part of the starter stator and the main component of the starter magnetic circuit. The stator winding is embedded in the stator core body. When current is passed through, an induced electromotive force is generated, thereby realizing the conversion of electrical energy. Figure 8 As shown, the starter stator core is composed of a core body 71, a winding coil 72 and a pole piece 73. During the processing of the starter stator core, the winding coil 72 and the pole piece 73 need to be installed in the core body 71. The pole piece is provided with a plurality of riveted ends 74. The riveted ends 74 are passed through the winding coil and then extended out of the core body. Finally, the riveted ends 74 are riveted with the core body 71 to complete the assembly of the starter stator core. Currently, in the processing of the starter stator core, the core body, the winding coil and the pole piece are assembled and fixed by riveting one by one. This operation method has low accuracy and processing efficiency. Utility Model Content

[0003] The utility model aims to provide a starter stator core pressure riveting device to improve the starter stator core pressure

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a starter stator core riveting device, wherein the starter stator core comprises: a core body, a winding coil, and a magnetic pole piece. The starter stator core riveting device comprises: a tooling table, a riveting servo mechanism, a tooling upper mold, a tooling lower mold and a tooling mold servo mechanism, and the tooling mold servo mechanism is arranged at the bottom of the tooling table.

[0006] The upper mold of the tooling is a conical columnar body whose outer surface decreases from the top to the bottom.

[0007] The tooling lower mold comprises: a plurality of tooling lower mold blocks and an elastic element. The plurality of tooling lower mold blocks are spliced together to form a cylinder, and the inner surface of the cylinder is a conical groove that narrows from top to bottom and matches the outer surface of the tooling upper mold. At least two tooling lower mold grooves are opened in the circumference of the cylinder. The elastic element is installed in the tooling lower mold groove to splice the plurality of tooling lower mold blocks together.

[0008] The inner wall of the starter stator core is sleeved outside the lower die of the tooling, the upper die of the tooling is installed in the lower die of the tooling, the servo mechanism of the tooling die is provided with a coupling and is connected to the upper die of the tooling through the coupling, and the servo mechanism of the tooling die controls the downward movement of the upper die of the tooling to expand the block of the lower die of the tooling, so that the starter stator core is fixed on the tooling table.

[0009] A plurality of riveting servo mechanisms are provided and are evenly distributed on the tooling table around the lower die of the tooling.

[0010] After the starter stator core is fixed on the tooling table, the riveting servo mechanism moves towards the starter stator core to complete the riveting operation of the core body, the winding coil and the pole piece.

[0011] Furthermore, the starter stator core riveting device further includes: a workbench with a circular notch, the tooling table is provided with a coupling opening groove, the tooling table is installed on the top of the circular notch, and the coupling opening groove communicates with the circular notch.

[0012] The servo mechanism of the tooling die is installed at the bottom of the circular notch, and the coupling provided by the servo mechanism of the tooling die extends out from the circular notch and the coupling opening groove and is connected to the upper die of the tooling.

[0013] Wherein, two supporting feet are arranged on the pressure head of the riveting servo mechanism, and the supporting feet correspond to the protrusions of the pole piece. When the pressure head moves towards the starter stator core, the supporting feet squeeze the protrusions of the pole piece to complete the riveting operation of the core body, the winding coil and the pole piece.

[0014] Preferably, an arc-shaped notch is formed in the supporting feet to control the bending direction of the protrusion of the pole piece.

[0015] Furthermore, the tooling table is further provided with an annular groove outside the coupling opening groove for placing the starter stator core and the lower die of the tooling.

[0016] Furthermore, a coupling connection platform is arranged at the bottom of the upper die of the tooling.

[0017] Wherein, at least two protrusions are arranged on the coupling connection platform, a connection groove for the upper die of the tooling is arranged at the top of the coupling, the surface shape of the connection groove for the upper die of the tooling corresponds to the shape of the coupling connection platform, so that the upper die of the tooling can be inserted into the coupling, and a limiting groove is arranged in the connection groove for the upper die of the tooling. After the upper die of the tooling is inserted into the coupling, it rotates to transfer the protrusions into the limiting groove to fix the upper die of the tooling and the coupling.

[0018] Preferably, the elastic element is a spring or an elastic O-ring.

[0019] Preferably, the inclination angle of the outer surface of the conical columnar body with respect to the horizontal plane is 20 to 60 degrees.

[0020] Preferably, the riveting servo mechanism and the tooling die servo mechanism are hydraulic presses, motors or pneumatic motors.

[0021] After adopting the above technical solution, the utility model has the following effects:

[0022] 1. Through the synergistic effect of the tooling die servo mechanism and the tooling die, the starter stator is more stably fixed on the tooling table, improving the accuracy of the riveting operation of the starter stator core.

[0023] 2. By setting multiple riveting servo mechanisms, the utility model realizes multi-directional riveting operations, improving the efficiency of the riveting operation of the starter stator core. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional structure diagram of the utility model.

[0025] Figure 2 is Figure 1 an enlarged view of part A of

[0026] Figure 3 is a three-dimensional structure diagram of the workbench of the utility model.

[0027] Figure 4 is a three-dimensional structure diagram of the tooling die servo mechanism of the utility model.

[0028] Figure 5 is a three-dimensional structure diagram of the tooling table of the utility model.

[0029] Figure 6 is a first state diagram of the combination of the upper tooling die and the lower tooling die of the utility model.

[0030] Figure 7 is a second state diagram of the combination of the upper tooling die and the lower tooling die of the utility model.

[0031] Figure 8 is a structural disassembly diagram of the starter stator core of the utility model.

[0032] Main component symbols:

[0033] 1: Workbench, 11: Circular notch, 2: Tooling table, 21: Coupling opening groove, 22: Annular groove, 3: Riveting servo mechanism, 31: Press head, 32: Support feet, 33: Arc notch, 4: Tooling die servo mechanism, 41: Coupling, 42: Connecting groove for upper tooling die, 43: Limit groove, 5: Upper tooling die, 51: Coupling connecting platform, 52: Protrusion, 6: Lower tooling die, 61: Lower tooling die block, 62: Lower tooling die groove, 63: Elastic element, 7: Starter stator core, 71: Core body, 72: Winding coil, 73: Pole piece. Detailed implementation mode

[0034] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0035] As Figure 1 、 Figure 2 and Figure 3 shown, the present utility model discloses a riveting device for a starter stator core, including: a workbench 1, a tooling table 2, a riveting servo mechanism 3, an upper tooling die 5, a lower tooling die 6 and a tooling die servo mechanism 4. The workbench 1 has a circular notch 11, the tooling table 2 is installed on the tabletop of the workbench 1 and is arranged at the top of the circular notch 11, and the tooling table 2 is provided with a coupling opening groove 21, and the coupling opening groove 21 communicates with the circular notch 11.

[0036] As Figure 1 and Figure 4 shown, the tooling die servo mechanism 4 is provided with a coupling 41, the tooling die servo mechanism 4 is installed at the bottom of the workbench 1 and is opposite to the circular notch 11, so that the coupling 41 extends out from the circular notch 11 and the coupling opening groove 21.

[0037] As Figure 6 shown, the outer surface of the upper tooling die 5 is a conical columnar body that narrows from top to bottom. The lower tooling die 6 includes: a plurality of lower tooling die blocks 61 and an elastic element 63. The plurality of lower tooling die blocks 61 are spliced to form a cylinder, and at least two lower tooling die grooves 62 are circumferentially provided on the cylinder. The elastic element 63 is installed in the lower tooling die groove 62 to splice the plurality of lower tooling die blocks 61 together.

[0038] In this embodiment, the lower tooling die 6 is provided with four lower tooling die blocks 61, three lower tooling die grooves 62, and the elastic element 63 is a spring. In other embodiments, the elastic element 63 is an elastic O-ring.

[0039] In addition, in this embodiment, the inclination angle of the outer surface of the conical columnar body with the horizontal plane is 20 to 60 degrees.

[0040] The outer surface of the cylinder is a cylindrical surface with a diameter smaller than the inner diameter of the starter stator core 7, and the inner surface of the cylinder is a tapered groove that narrows from the top to the bottom, and the tapered groove matches the outer surface of the upper die 5 on the tooling.

[0041] In this embodiment, the lower die 6 of the tooling is installed in the inner wall of the starter stator core 7, the upper die 5 of the tooling is installed in the lower die 6 of the tooling, and the bottom of the upper die 5 of the tooling is connected to the coupling 41. The servo mechanism 4 of the tooling die controls the downward movement of the upper die 5 of the tooling through the coupling 41, expands the block 61 of the lower die of the tooling, and fixes the starter stator core 7 on the tooling table 2, as Figure 7 shown.

[0042] At least one riveting servo mechanism 3 is provided and installed on one side of the tooling table 2. After the starter stator core 7 is fixed on the tooling table 2, the pressing head 31 provided by the riveting servo mechanism 3 moves towards the starter stator core 7 to complete the riveting operation of the core body 71, the winding coil 72 and the pole piece 73.

[0043] In this embodiment, four riveting servo mechanisms 3 are provided and symmetrically arranged in four directions of the tooling table 2.

[0044] In addition, in this embodiment, two supporting feet 32 are provided on the pressing head 31, and the supporting feet 32 correspond to the protrusions of the pole piece 73. When the pressing head 31 moves towards the starter stator core 7, the supporting feet 32 squeeze the protrusions of the pole piece 73 to complete the riveting operation of the core body 71, the winding coil 72 and the pole piece 73. And, an arc-shaped notch 33 is opened on the supporting feet 32 to control the bending direction of the protrusion of the pole piece 73.

[0045] As Figure 5 shown, in this embodiment, the tooling table 2 is also provided with an annular groove 22 outside the coupling opening groove 21 for placing the starter stator core and the lower die 6 of the tooling.

[0046] As Figure 6 shown, a coupling connection platform 51 is provided at the bottom of the upper die 5 of the tooling.

[0047] In this embodiment, at least two protrusions 52 are provided on the coupling connection platform 51, and a connection groove 42 for the upper die of the tooling is provided at the top of the coupling 41. The surface shape of the connection groove 42 for the upper die of the tooling corresponds to the shape of the coupling connection platform 51, so that the upper die 5 of the tooling can be inserted into the coupling 41, and a limiting groove 43 is provided in the connection groove 42 for the upper die of the tooling. After the upper die 5 of the tooling is inserted into the coupling 41, it is rotated to transfer the protrusions 52 into the limiting groove 43 to fix the upper die 5 of the tooling to the coupling 41.

[0048] In addition, in this embodiment, the riveting servo mechanism 3 and the tooling die servo mechanism 4 are hydraulic presses. In other embodiments, the riveting servo mechanism 3 and the tooling die servo mechanism 4 are motors or pneumatic motors.

[0049] The above are only the preferred specific embodiments of the present utility model. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A riveting device for a starter stator core, the starter stator core (7) comprising: The iron core body (71) and the magnetic pole piece (73) are characterized in that the starter stator iron core pressure riveting device comprises: a tooling table (2), a pressure riveting servo mechanism (3), a tooling upper mold (5), a tooling lower mold (6) and a tooling mold servo mechanism (4), and the tooling mold servo mechanism (4) is arranged at the bottom of the tooling table (2); The tooling upper mold (5) is a conical columnar body whose outer surface decreases from the top to the bottom; The tooling lower mold (6) comprises: a plurality of tooling lower mold blocks (61) and an elastic element (63); the plurality of tooling lower mold blocks (61) are spliced together to form a cylinder; the inner surface of the cylinder is a conical groove that decreases from top to bottom and matches the outer surface of the tooling upper mold (5); at least two tooling lower mold grooves (62) are formed in the circumference of the cylinder; the elastic element (63) is installed in the tooling lower mold grooves (62) to splice the plurality of tooling lower mold blocks (61); The inner wall of the starter stator core (7) is sleeved on the outer side of the tooling lower mold (6), the tooling upper mold (5) is installed in the tooling lower mold (6), the tooling mold servo mechanism (4) is provided with a coupling (41) and is connected to the tooling upper mold (5) via the coupling (41), the tooling mold servo mechanism (4) controls the tooling upper mold (5) to move downward, opens the tooling lower mold assembly (61), and fixes the starter stator core (7) on the tooling table (2); A plurality of the riveting servo mechanisms (3) are arranged and are evenly distributed on the tooling table (2) around the lower tooling mold (6). After the starter stator core (7) is fixed on the tooling table (2), the riveting servo mechanisms (3) move in the direction of the starter stator core to complete the riveting operation of the core body (71) and the magnetic pole piece (73).

2. The riveting device for the starter stator core according to claim 1, characterized in that, Also includes: A workbench (1) having a circular notch (11), the tooling table (2) having a coupling opening groove (21), the tooling table (2) being mounted on the top of the circular notch (11), and the coupling opening groove (21) being in communication with the circular notch (11); The tooling die servo mechanism (4) is installed at the bottom of the circular notch (11), and a coupling (41) provided on the tooling die servo mechanism (4) extends from the circular notch (11) and the coupling opening groove (21) and is connected to the tooling upper die (5).

3. The starter stator core riveting device according to claim 1, characterized in that: The pressure head (31) of the pressure riveting servo mechanism (3) is provided with two legs (32), the legs (32) corresponding to the protrusions of the magnetic pole piece (73), and when the pressure head (31) moves toward the starter stator core (7), the legs (32) press the protrusions of the magnetic pole piece (73), thereby completing the pressure riveting operation of the core body (71), the winding coil (72) and the magnetic pole piece (73).

4. A starter stator core riveting device according to claim 3, characterized in that: The support foot (32) is provided with an arc-shaped notch (33) for controlling the bending direction of the protrusion of the magnetic pole piece (73).

5. A starting motor stator core riveting device according to claim 2, characterized in that: The tooling table (2) is further provided with an annular groove (22) outside the coupling opening groove (21) for placing the starter stator core (7) and the lower tooling die (6).

6. The starter stator core riveting device according to claim 1, characterized in that: A coupling connection platform (51) is arranged at the bottom of the upper tooling die (5).

7. A starter stator core riveting device according to claim 6, characterized in that: At least two protrusions (52) are arranged on the coupling connection platform (51), and an upper tooling die connection groove (42) is arranged at the top of the coupling (41). The surface shape of the upper tooling die connection groove (42) corresponds to the shape of the coupling connection platform (51), so that the upper tooling die (5) can be inserted into the coupling (41). The upper tooling die connection groove (42) is provided with a limiting groove (43). After the upper tooling die (5) is inserted into the coupling (41), it is rotated to turn the protrusions (52) into the limiting groove (43), so that the upper tooling die (5) is fixed to the coupling (41).

8. A starter stator core riveting device according to claim 1, characterized in that: The elastic element (63) is a spring or an elastic O-ring.

9. The starting motor stator core riveting device according to claim 1, characterized in that: The inclination angle of the outer surface of the conical columnar body with the horizontal plane is 20 to 60 degrees.

10. A starting motor stator core riveting device as described in claim 1, characterized in that: The riveting servo mechanism (3) and the tooling die servo mechanism (4) are hydraulic presses, motors or pneumatic motors.