Motor iron core laminating and riveting tool
By designing a riveting tool for motor cores, including bottom plate, press plate, rubber pad and rivet head, the efficient completion of core stacking and riveting is achieved, solving the quality problem of core stacking and riveting is ensured, and the iron is ensured. The core end surface is flat and the rivet end surface is flush, achieving the effect of simple structure, reliable positioning and easy operation.
Patent Information
- Application Number
- CN202411241001.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2024-12-13
AI Technical Summary
The existing motor core stacking and rivet forming methods are prone to uneven end surfaces of the core stacking, gaps in appearance, and local rivets, resulting in quality problems such as subsequent assembly interference.
Design a stacking tool including two base plates, two press plates, mandrels, two rubber pads, 2n rivets, and 2m screws. By adjusting the tightness of the screws and the compression amount of the rubber pads, the stacking is completed in one go. Press and rivet tightly to ensure the quality of the core stacking, the end surface of the core is flat, and the end surfaces of the rivets are flush with the end surface of the core.
It achieves simple structure, reliable positioning and convenient operation, ensuring the quality of the core rivet stack, small deformation of the rivet, low cost, strong pressure bearing capacity, small deformation of the workpiece, optimized design of the structure of the tool parts, and easy to use.
Smart Images
Figure CN119134814A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of motor core stacking and riveting, and in particular to a motor core stacking and riveting tool. Background Art
[0002] The existing motor core stacking and riveting forming method is to use tooling to first stack the punching sheets, and then rivet the core punching sheets to form an integral core. This forming method is prone to quality problems such as uneven core stacking end faces, gaps in the shape, and local protrusions of rivets causing subsequent assembly interference.
[0003] In view of the above problems, a stacking riveting tool is needed which can ensure the quality of core stacking riveting, has a simple structure, reliable positioning and convenient operation. Summary of the invention
[0004] The purpose of the present invention is to provide a motor core stack riveting tool, comprising: two base plates, two pressure plates, a core shaft, two rubber pads, 2n rivet heads, and 2m screws, where n and m are both positive integers.
[0005] The bottom plate is a columnar structure.
[0006] The two bottom plates are arranged at intervals, with a groove being arranged on one opposite side and m first screw holes extending along the axis and m connecting through holes extending along the axis being arranged on the other side, and the m first screw holes and m connecting through holes are evenly surrounded by the groove.
[0007] The first screw hole is a stepped hole.
[0008] The m first screw holes and the m connecting through holes are distributed at intervals.
[0009] A first through hole extending along the axis is provided at the center of the groove.
[0010] The groove is provided with n first rivet holes extending along the axis, and the n first rivet holes are evenly surrounded by the first through hole.
[0011] The pressing plate is a columnar structure, and a second through hole is provided in the center.
[0012] The diameter of the second through hole is the same as that of the first through hole of the bottom plate, and positioning blocks are provided on both sides of the second through hole.
[0013] The top of the pressing plate is provided with n second riveting holes corresponding to the first riveting holes of the bottom plate.
[0014] The second rivet hole is a stepped hole, and the diameter of the end of the second rivet hole is larger than the diameter of the first rivet hole of the bottom plate.
[0015] The top of the pressing plate is provided with m second screw holes corresponding to the first screw holes of the bottom plate.
[0016] The core shaft is a cylindrical structure, and the diameter of the core shaft is the same as the first through hole of the bottom plate.
[0017] Positioning grooves corresponding to the positioning blocks of the pressing plate are provided on both sides of the core shaft.
[0018] The top center of the core shaft is provided with an axial hole extending along the axis.
[0019] The rubber pad is a cylindrical structure, and the diameter of the rubber pad is smaller than the diameter of the groove of the bottom plate.
[0020] A third through hole extending along the axis is provided at the center of the rubber pad, and the diameter of the third through hole is greater than the diameter of the core shaft.
[0021] The top of the rubber pad is provided with a third riveting hole corresponding to the second riveting hole of the pressing plate, and the diameter of the third riveting hole is the same as the diameter of the end of the second riveting hole.
[0022] The rivet head is a rotating body structure as a whole, including a riveting end, a pressing end and a fixing end.
[0023] The diameter of the riveted end is the same as the diameter of the bottom of the second riveted hole of the pressing plate.
[0024] The diameter of the clamping end is larger than the diameter of the first rivet hole of the bottom plate, and smaller than the diameter of the end of the second rivet hole of the pressing plate.
[0025] The diameter of the fixed end is the same as the diameter of the first riveting hole of the bottom plate.
[0026] Place the rubber pad in the groove of the base plate. Assemble the fixed ends of the n rivet heads in the n first rivet holes of the base plate respectively. Place the pressing ends of the n rivet heads in the third rivet holes corresponding to the rubber pad and the ends of the second rivet holes corresponding to the pressure plate respectively. Assemble the riveted ends of the n rivet heads in the second rivet holes corresponding to the pressure plate respectively, and grind the parts of the rivet heads protruding from the pressure plate. The first screw hole of the base plate and the second screw hole of the pressure plate are fixedly connected by screws to assemble into the upper and lower molds of the stacked riveted iron core punching sheets.
[0027] When the motor core stack riveting tool is used to stack the motor core, the core punch is first placed between the upper die and the lower die, and then n rivets are installed into the upper punch hole of the core punch, and n rivets are installed into the lower punch hole of the core punch, and 2n rivets correspond to the bottom of the riveted ends of 2n rivet heads respectively. Then the mandrel is inserted into the first through hole of the lower die bottom plate, the third through hole of the lower die rubber pad, the second through hole of the lower die pressure plate, the inner hole of the core punch, the second through hole of the upper die pressure plate, the third through hole of the upper die rubber pad, and the first through hole of the upper die bottom plate in sequence. The connecting through hole of the lower die bottom plate is fixedly connected to the horizontal plate of the press. The connecting through hole of the upper die bottom plate is fixedly connected to the press. The axial hole of the mandrel is fixedly connected to the press. Start the press, the upper die and the lower die press the core punch, and at the same time, the 2n rivets are compressed and deformed to rivet the core punch.
[0028] Furthermore, the screw comprises a hexagon socket screw.
[0029] Furthermore, the tool for grinding the portion of the rivet head protruding from the pressure plate comprises a surface grinder.
[0030] Furthermore, by adjusting the tightness of the screw, the compression amount of the rubber pad is adjusted, and then the deformation amount of the rivet in the core punching sheet stack is adjusted.
[0031] Furthermore, the processing methods of the base plate include turning processing, tempering processing, surface grinding processing, and drilling processing.
[0032] Furthermore, the processing methods of the pressing plate include turning processing, tempering processing, surface grinding processing, drilling processing, wire cutting processing, and clamp processing.
[0033] Furthermore, the processing methods of the core shaft include turning processing, quenching processing, surface grinding processing, wire cutting processing, and clamp processing.
[0034] Furthermore, the processing method of the rubber pad includes clamp processing.
[0035] Furthermore, the processing methods of the rivet head include turning processing, quenching processing, and cylindrical grinding processing.
[0036] Furthermore, the fixed end of the rivet head is transitionally matched with the first rivet hole of the bottom plate.
[0037] The technical effect of the present invention is unquestionable. The present invention designs special tooling for riveting motor core punching sheets, which completes stacking and riveting at one time, ensuring the quality of core riveting, smoothing the core end faces, and flushing the two end faces of the rivet with the core end faces. It has a simple structure, reliable positioning, low cost, and convenient and reliable operation.
[0038] The beneficial effects of the present invention include:
[0039] 1. Simple structure and reliable use.
[0040] 2. Strong pressure bearing capacity and small deformation of workpiece.
[0041] 3. The optimized design of the related structures of tooling parts makes the tooling light and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0042] Figure 1 This is the structural diagram of the motor core stacking riveting tooling;
[0043] Figure 2 Assemble the motor core; Figure 2 (a) is the front view of the motor core; Figure 2 (b) is a cross-sectional view of the motor core;
[0044] Figure 3 is a schematic diagram of the bottom plate structure; Figure 3 (a) is a cross-sectional view of the bottom plate; Figure 3 (b) is a front view of the base plate;
[0045] Figure 4 It is a schematic diagram of the pressure plate structure; Figure 4 (a) is a cross-sectional view of the pressing plate; Figure 4 (b) is a front view of the pressing plate; Figure 4 (c) is the rear view of the pressing plate;
[0046] Figure 5 It is a schematic diagram of the mandrel structure; Figure 5 (a) is a front view of the mandrel; Figure 5 (b) is a top view of the mandrel;
[0047] Figure 6 Schematic diagram of the rubber pad structure; Figure 6 (a) is the front view of the rubber pad; Figure 6 (b) is a cross-sectional view of the rubber pad;
[0048] Figure 7 It is a schematic diagram of the rivet head structure;
[0049] In the figure, the base plate 101, the groove 1011, the first through hole 1012, the first rivet hole 1013, the first screw hole 1014, the connecting through hole 1015, the pressure plate 102, the second through hole 1021, the positioning block 1022, the second rivet hole 1023, the second screw hole 1024, the core punch 103, the upper punch hole 1031, the lower punch hole 1032, the inner hole 1033, the core shaft 104, the positioning groove 1041, the shaft hole 1042, the rubber pad 105, the third through hole 1051, the third rivet hole 1052, the rivet head 106, the riveting end 1061, the clamping end 1062, the fixing end 1063, and the screw 107. DETAILED DESCRIPTION
[0050] The present invention is further described below in conjunction with the embodiments, but it should not be understood that the above subject matter of the present invention is limited to the following embodiments. Without departing from the above technical ideas of the present invention, various substitutions and changes are made according to the common technical knowledge and customary means in the art, which should all be included in the protection scope of the present invention.
[0051] Embodiment 1:
[0052] See also Figures 1 to 7 A motor core stacking riveting tool comprises: two base plates 101, two pressing plates 102, a core shaft 104, two rubber pads 105, 2n rivet heads 106, and 2m screws 107, where n and m are both positive integers.
[0053] The bottom plate 101 is a columnar structure.
[0054] The two base plates 101 are arranged at intervals, and a groove 1011 is set on one opposite side, and m first screw holes 1014 extending along the axis and m connecting through holes 1015 extending along the axis are set on the other side, and the m first screw holes 1014 and m connecting through holes 1015 are evenly surrounded by the groove 1011.
[0055] The first screw hole 1014 is a stepped hole.
[0056] The m first screw holes 1014 and the m connecting through holes 1015 are distributed at intervals.
[0057] A first through hole 1012 extending along the axis is disposed at the center of the groove 1011 .
[0058] The groove 1011 is provided with n first rivet holes 1013 extending along the axis, and the n first rivet holes 1013 are evenly surrounded by the first through hole 1012 .
[0059] The pressing plate 102 is a columnar structure, and a second through hole 1021 is defined in the center.
[0060] The diameter of the second through hole 1021 is the same as that of the first through hole 1012 of the bottom plate 101 , and positioning blocks 1022 are disposed on both sides of the second through hole 1021 .
[0061] The top of the pressing plate 102 is provided with n second rivet holes 1023 corresponding to the first rivet holes 1013 of the bottom plate 101 .
[0062] The second rivet hole 1023 is a stepped hole, and the diameter of the end of the second rivet hole 1023 is greater than the diameter of the first rivet hole 1013 of the bottom plate 101 .
[0063] The top of the pressing plate 102 is provided with m second screw holes 1024 corresponding to the first screw holes 1014 of the bottom plate 101 .
[0064] The core shaft 104 is a cylindrical structure, and the diameter of the core shaft 104 is the same as the first through hole 1012 of the bottom plate 101 .
[0065] The core shaft 104 is provided with positioning grooves 1041 on both sides corresponding to the positioning blocks 1022 of the pressing plate 102 .
[0066] The top center of the core shaft 104 is provided with an axial hole 1042 extending along the axis.
[0067] The rubber pad 105 is a cylindrical structure, and the diameter of the rubber pad 105 is smaller than the diameter of the groove 1011 of the bottom plate 101 .
[0068] A third through hole 1051 extending along the axis is disposed at the center of the rubber pad 105 , and a diameter of the third through hole 1051 is greater than a diameter of the core shaft 104 .
[0069] A third rivet hole 1052 corresponding to the second rivet hole 1023 of the pressing plate 102 is provided on the top of the rubber pad 105 , and the diameter of the third rivet hole 1052 is the same as the diameter of the end of the second rivet hole 1023 .
[0070] The rivet head 106 is a rotating body structure as a whole, including a riveting end 1061 , a pressing end 1062 , and a fixing end 1063 .
[0071] The diameter of the riveting end 1061 is the same as the diameter of the bottom of the second riveting hole 1023 of the pressing plate 102 .
[0072] The diameter of the clamping end 1062 is larger than the diameter of the first rivet hole 1013 of the bottom plate 101 , and smaller than the diameter of the end of the second rivet hole 1023 of the pressing plate 102 .
[0073] The diameter of the fixing end 1063 is the same as the diameter of the first riveting hole 1013 of the bottom plate 101 .
[0074] The rubber pad 105 is placed in the groove 1011 of the bottom plate 101. The fixed ends 1063 of the n rivet heads 106 are respectively assembled in the n first rivet holes 1013 of the bottom plate 101. The clamping ends 1062 of the n rivet heads 106 are respectively placed in the third rivet holes 1052 corresponding to the rubber pad 105 and the ends of the second rivet holes 1023 corresponding to the pressing plate 102. The riveting ends 1061 of the n rivet heads 106 are respectively assembled in the second rivet holes 1023 corresponding to the pressing plate 102, and the parts of the rivet heads 106 protruding from the pressing plate 102 are ground flat. The first screw hole 1014 of the bottom plate 101 and the second screw hole 1024 of the pressing plate 102 are fixedly connected by screws 107 to assemble into the upper die and lower die of the stacked riveted iron core punching sheet 103.
[0075] When the motor core stack riveting tool is used to stack the motor core, the core punching sheet 103 is first placed between the upper die and the lower die, and then n rivets are installed in the upper punching sheet hole 1031 of the core punching sheet 103, and n rivets are installed in the lower punching sheet hole 1032 of the core punching sheet 103, and the 2n rivets correspond to the bottom of the riveted ends 1061 of the 2n rivet heads 106. Then the mandrel 104 is sequentially inserted into the first through hole 1012 of the lower die bottom plate 101, the third through hole 1051 of the lower die rubber pad 105, the second through hole 1021 of the lower die pressing plate 102, the inner hole 1033 of the core punching sheet 103, the second through hole 1021 of the upper die pressing plate 102, the third through hole 1051 of the upper die rubber pad 105, and the first through hole 1012 of the upper die bottom plate 101. The connecting through hole 1015 of the lower die bottom plate 101 is fixedly connected to the horizontal plate of the press. The connecting through hole 1015 of the upper die bottom plate 101 is fixedly connected to the press. The shaft hole 1042 of the mandrel 104 is fixedly connected to the press. The press is started, and the upper die and the lower die press the core punching sheet 103, and at the same time, 2n rivets are compressed and deformed to rivet the core punching sheet 103.
[0076] Embodiment 2:
[0077] A motor core stacking riveting tool, the main technical content of which is shown in Example 1, further, the screw 107 includes a hexagon socket screw.
[0078] Embodiment 3:
[0079] A motor core stacking riveting tool, the main technical content of which is shown in any one of Embodiments 1 to 2. Further, the tool for grinding the portion of the rivet head 106 protruding from the pressure plate 102 comprises a surface grinder.
[0080] Embodiment 4:
[0081] A motor core stacking riveting tool, the main technical content of which is shown in any one of embodiments 1 to 3. Further, by adjusting the tightness of the screw 107, the compression amount of the rubber pad 105 is adjusted, and then the deformation amount of the rivet in the core punching stacking is adjusted.
[0082] Embodiment 5:
[0083] A motor core stacking riveting tool, the main technical content of which is shown in any one of embodiments 1 to 4. Furthermore, the processing methods of the base plate 101 include turning processing, tempering processing, surface grinding processing, and drilling processing.
[0084] Embodiment 6:
[0085] A motor core stacking riveting tool, the main technical content of which is shown in any one of embodiments 1 to 5. Furthermore, the processing methods of the pressure plate 102 include turning processing, tempering processing, surface grinding processing, drilling processing, wire cutting processing, and clamp processing.
[0086] Embodiment 7:
[0087] A motor core stacking riveting tool, the main technical content of which is shown in any one of embodiments 1 to 6. Furthermore, the processing methods of the core shaft 104 include turning processing, quenching processing, surface grinding processing, wire cutting processing, and clamp processing.
[0088] Embodiment 8:
[0089] A motor core stacking riveting tool, the main technical content of which is shown in any one of Embodiments 1 to 7. Furthermore, the processing method of the rubber pad 105 includes clamp processing.
[0090] Embodiment 9:
[0091] A motor core stack riveting tool, the main technical content of which is shown in any one of embodiments 1 to 8. Furthermore, the processing methods of the rivet head 106 include lathe processing, quenching processing, and external cylindrical grinding processing.
[0092] Embodiment 10:
[0093] A motor core stacking riveting tool, the main technical content of which is shown in any one of embodiments 1 to 9, further, the fixed end 1063 of the rivet head 106 is transitionally matched with the first riveting hole 1013 of the base plate 101.
[0094] Embodiment 11:
[0095] See also Figures 1 to 7 A motor core stacking riveting tool includes: two base plates 101, two pressing plates 102, a core shaft 104, two rubber pads 105, 16 rivet heads 106, and 8 screws 107.
[0096] The bottom plate 101 is a columnar structure.
[0097] The two bottom plates 101 are arranged at intervals, and a groove 1011 is set on one opposite side, and four first screw holes 1014 extending along the axis and four connecting through holes 1015 extending along the axis are set on the other side, and the four first screw holes 1014 and the four connecting through holes 1015 are evenly surrounded by the groove 1011.
[0098] The first screw hole 1014 is a stepped hole.
[0099] The four first screw holes 1014 and the four connecting through holes 1015 are distributed at intervals.
[0100] A first through hole 1012 extending along the axis is disposed at the center of the groove 1011 .
[0101] The groove 1011 is provided with eight first rivet holes 1013 extending along the axis, and the eight first rivet holes 1013 are evenly surrounded by the first through hole 1012 .
[0102] The pressing plate 102 is a columnar structure, and a second through hole 1021 is defined in the center.
[0103] The diameter of the second through hole 1021 is the same as that of the first through hole 1012 of the bottom plate 101 , and positioning blocks 1022 are disposed on both sides of the second through hole 1021 .
[0104] The top of the pressing plate 102 is provided with eight second riveting holes 1023 corresponding to the first riveting holes 1013 of the bottom plate 101 .
[0105] The second rivet hole 1023 is a stepped hole, and the diameter of the end of the second rivet hole 1023 is greater than the diameter of the first rivet hole 1013 of the bottom plate 101 .
[0106] The top of the pressing plate 102 is provided with four second screw holes 1024 corresponding to the first screw holes 1014 of the bottom plate 101 .
[0107] The core shaft 104 is a cylindrical structure, and the diameter of the core shaft 104 is the same as the first through hole 1012 of the bottom plate 101 .
[0108] The core shaft 104 is provided with positioning grooves 1041 on both sides corresponding to the positioning blocks 1022 of the pressing plate 102 .
[0109] The top center of the core shaft 104 is provided with an axial hole 1042 extending along the axis.
[0110] The rubber pad 105 is a cylindrical structure, and the diameter of the rubber pad 105 is smaller than the diameter of the groove 1011 of the bottom plate 101 .
[0111] A third through hole 1051 extending along the axis is disposed at the center of the rubber pad 105 , and a diameter of the third through hole 1051 is greater than a diameter of the core shaft 104 .
[0112] A third rivet hole 1052 corresponding to the second rivet hole 1023 of the pressing plate 102 is provided on the top of the rubber pad 105 , and the diameter of the third rivet hole 1052 is the same as the diameter of the end of the second rivet hole 1023 .
[0113] The rivet head 106 is a rotating body structure as a whole, including a riveting end 1061 , a pressing end 1062 , and a fixing end 1063 .
[0114] The diameter of the riveting end 1061 is the same as the diameter of the bottom of the second riveting hole 1023 of the pressing plate 102 .
[0115] The diameter of the clamping end 1062 is larger than the diameter of the first rivet hole 1013 of the bottom plate 101 , and smaller than the diameter of the end of the second rivet hole 1023 of the pressing plate 102 .
[0116] The diameter of the fixing end 1063 is the same as the diameter of the first riveting hole 1013 of the bottom plate 101 .
[0117] The rubber pad 105 is placed in the groove 1011 of the bottom plate 101. The fixed ends 1063 of the eight rivet heads 106 are respectively assembled in the eight first rivet holes 1013 of the bottom plate 101. The clamping ends 1062 of the eight rivet heads 106 are respectively placed in the third rivet holes 1052 corresponding to the rubber pad 105 and the ends of the second rivet holes 1023 corresponding to the pressing plate 102. The riveting ends 1061 of the eight rivet heads 106 are respectively assembled in the second rivet holes 1023 corresponding to the pressing plate 102, and the parts of the rivet heads 106 protruding from the pressing plate 102 are smoothed. The first screw hole 1014 of the bottom plate 101 and the second screw hole 1024 of the pressing plate 102 are fixedly connected by screws 107 to assemble into the upper die and lower die of the stacked riveted iron core punching sheet 103.
[0118] When the motor core stack riveting tool is used to stack the motor core, the core punching sheet 103 is first placed between the upper die and the lower die, and then 8 rivets are installed in the upper punching sheet hole 1031 of the core punching sheet 103, and 8 rivets are installed in the lower punching sheet hole 1032 of the core punching sheet 103, and the 16 rivets correspond to the bottom of the riveting ends 1061 of the 16 rivet heads 106. Then the mandrel 104 is sequentially inserted into the first through hole 1012 of the lower die bottom plate 101, the third through hole 1051 of the lower die rubber pad 105, the second through hole 1021 of the lower die pressing plate 102, the inner hole 1033 of the core punching sheet 103, the second through hole 1021 of the upper die pressing plate 102, the third through hole 1051 of the upper die rubber pad 105, and the first through hole 1012 of the upper die bottom plate 101. The connecting through hole 1015 of the lower die bottom plate 101 is fixedly connected to the horizontal plate of the press. The connecting through hole 1015 of the upper die bottom plate 101 is fixedly connected to the press. The shaft hole 1042 of the mandrel 104 is fixedly connected to the press. The press is started, and the upper die and the lower die press the core punching sheet 103, and at the same time, the 16 rivets are deformed under pressure to rivet the core punching sheet 103.
[0119] Embodiment 12:
[0120] A motor core stacking riveting tool, the main technical content of which is shown in Example 11, further, the screw 107 includes a hexagon socket screw.
[0121] Embodiment 13:
[0122] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 12. Furthermore, the tool for grinding the portion of the rivet head 106 protruding from the pressure plate 102 includes a surface grinder.
[0123] Embodiment 14:
[0124] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 13. Further, by adjusting the tightness of the screw 107, the compression amount of the rubber pad 105 is adjusted, and then the deformation amount of the rivet in the core punching stacking is adjusted.
[0125] Embodiment 15:
[0126] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 14. Furthermore, the processing methods of the base plate 101 include turning processing, tempering processing, surface grinding processing, and drilling processing.
[0127] Embodiment 16:
[0128] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 15. Furthermore, the processing methods of the pressure plate 102 include turning processing, tempering processing, surface grinding processing, drilling processing, wire cutting processing, and clamp processing.
[0129] Embodiment 17:
[0130] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 16. Furthermore, the processing methods of the core shaft 104 include turning processing, quenching processing, surface grinding processing, wire cutting processing, and clamp processing.
[0131] Embodiment 18:
[0132] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 17. Furthermore, the processing method of the rubber pad 105 includes clamp processing.
[0133] Embodiment 19:
[0134] A motor core stack riveting tool, the main technical content of which is shown in any one of Examples 11 to 18. Furthermore, the processing methods of the rivet head 106 include turning processing, quenching processing, and external cylindrical grinding processing.
[0135] Embodiment 20:
[0136] A motor core stacking riveting tool, the main technical content of which is shown in any one of Examples 11 to 19, further, the fixed end 1063 of the rivet head 106 is transitionally matched with the first riveting hole 1013 of the base plate 101.
[0137] Embodiment 21:
[0138] See also Figures 1 to 7 A motor core stack riveting tool includes: 2 base plates 101, 2 pressure plates 102, 1 core shaft 104, 2 rubber pads 105, 16 rivet heads 106, and 8 hexagon socket screws 107.
[0139] Figure 2 In the motor core assembly diagram, rivets rivet the neatly stacked core punchings into an integral core. The end faces of the core are flat, and the two ends of the rivets are flush with the end faces.
[0140] The tooling assembly and debugging process is as follows: Figure 1As shown in the tooling structure diagram, first install 16 rivet heads 106 into two base plates 101 respectively, and the rivet heads 106 and the base plates 101 are transition fit, and then assemble the two pressure plates 102 with the rivet heads 106 and the base plates 101 respectively, and use a surface grinder to grind the part of the rivet head 106 protruding from the pressure plate to keep it consistent with the pressure plate plane; separate the pressure plate and the base plate and the rivet heads, and install two rubber pads 105 between the base plate and the pressure plate respectively; pass the mandrel 104 through the base plate and the pressure plate to ensure that the upper and lower parts are in the same direction, and use the hexagon socket screws 107 to connect the base plate and the pressure plate into the upper die and the lower die respectively, tighten the screws, and adjust the depth between the rivet head end face and the pressure plate plane to 0.5mm by adjusting the compression of the rubber pad. This size is the deformation of the rivet in the core punching riveting.
[0141] The process of using the tooling is as follows: place the lower die consisting of the base plate and the pressure plate on the horizontal plate of the press, and install the mandrel into the inner hole of the pressure plate; after the number of core punches is determined by weighing, they are installed into the mandrel, and the mandrel determines the position and direction of the punches; install the rivets into the holes of the stacked punches; position and install the upper die consisting of the base plate and the pressure plate through the mandrel; start the press, the base plate and the pressure plate press the core punches, and at the same time the rivets are deformed under pressure to rivet the punches, completing the motor core stacking riveting process.
[0142] In the embodiment, the core stack riveting tool is assembled from 7 types of components. The bottom plate 101 is processed by turning, quenching and tempering, turning, surface grinding, and drilling in a machining center; the pressure plate 102 is processed by turning, quenching and tempering, turning, surface grinding, drilling in a machining center, wire cutting, and clamping; the mandrel 104 is processed by turning, quenching, surface grinding, wire cutting, and clamping; the rubber plate 105 is processed by clamping; the rivet head 106 is processed by turning, quenching, and external cylindrical grinding; in addition, standard hexagon socket screws 107 are selected; finally, press Figure 1 assembly.
Claims
1. A motor core stacking riveting tool, characterized in that: include: Two bottom plates (101), two pressing plates (102), a core shaft (104), two rubber pads (105), 2n rivet heads (106), and 2m screws (107), where n and m are both positive integers; The bottom plate (101) is a columnar structure; The two bottom plates (101) are arranged at intervals, one side of the opposite side is provided with a groove (1011), and the other side is provided with m first screw holes (1014) extending along the axis and m connecting through holes (1015) extending along the axis, and the m first screw holes (1014) and the m connecting through holes (1015) are evenly surrounded by the groove (1011); The first screw hole (1014) is a stepped hole; The m first screw holes (1014) and the m connecting through holes (1015) are distributed at intervals. A first through hole (1012) extending along the axis is provided at the center of the groove (1011); The groove (1011) is provided with n first rivet holes (1013) extending along the axis, and the n first rivet holes (1013) are evenly surrounded by the first through hole (1012); The pressing plate (102) is a columnar structure, and a second through hole (1021) is provided at the center. The diameter of the second through hole (1021) is the same as that of the first through hole (1012) of the bottom plate (101), and positioning blocks (1022) are provided on both sides of the interior of the second through hole (1021); The top of the pressing plate (102) is provided with n second riveting holes (1023) corresponding to the first riveting holes (1013) of the bottom plate (101); The second rivet hole (1023) is a stepped hole, and the diameter of the end of the second rivet hole (1023) is greater than the diameter of the first rivet hole (1013) of the bottom plate (101); The top of the pressing plate (102) is provided with m second screw holes (1024) corresponding to the first screw holes (1014) of the bottom plate (101); The core shaft (104) is a cylindrical structure, and the diameter of the core shaft (104) is the same as the first through hole (1012) of the bottom plate (101); Positioning grooves (1041) corresponding to the positioning blocks (1022) of the pressing plate (102) are provided on both sides of the core shaft (104); The top center of the core shaft (104) is provided with an axial hole (1042) extending along the axis; The rubber pad (105) is a cylindrical structure, and the diameter of the rubber pad (105) is smaller than the diameter of the groove (1011) of the bottom plate (101); A third through hole (1051) extending along the axis is provided at the center of the rubber pad (105), and the diameter of the third through hole (1051) is greater than the diameter of the core shaft (104); A third rivet hole (1052) corresponding to the second rivet hole (1023) of the pressing plate (102) is provided on the top of the rubber pad (105), and the diameter of the third rivet hole (1052) is the same as the diameter of the end of the second rivet hole (1023); The rivet head (106) is a rotating body structure as a whole, comprising a riveting end (1061), a pressing end (1062), and a fixing end (1063); The diameter of the riveted end (1061) is the same as the diameter of the bottom of the second riveted hole (1023) of the pressing plate (102); The diameter of the clamping end (1062) is larger than the diameter of the first rivet hole (1013) of the bottom plate (101), and smaller than the diameter of the end of the second rivet hole (1023) of the pressing plate (102); The diameter of the fixed end (1063) is the same as the diameter of the first riveting hole (1013) of the bottom plate (101); The rubber pad (105) is placed in a groove (1011) of a bottom plate (101); the fixing ends (1063) of n rivet heads (106) are respectively assembled in n first rivet holes (1013) of the bottom plate (101); the pressing ends (1062) of n rivet heads (106) are respectively placed in the third rivet holes (1052) corresponding to the rubber pad (105) and the second rivet holes (1023) corresponding to the pressing plate (102). The first screw hole (1014) of the bottom plate (101) and the second screw hole (1024) of the pressing plate (102) are fixedly connected by screws (107) to form an upper die and a lower die of a stacked riveted iron core punching sheet (103); When the motor core stacking riveting tool is used to stack and rivet the motor core, the core punching sheet (103) is first placed between the upper die and the lower die, and then n rivets are installed in the upper punching sheet hole (1031) of the core punching sheet (103), and n rivets are installed in the lower punching sheet hole (1032) of the core punching sheet (103), and the 2n rivets correspond to the bottom of the riveting ends (1061) of the 2n rivet heads (106) respectively; and then the mandrel (104) is inserted into the first through hole (1012) of the lower die bottom plate (101), the third through hole (1051) of the lower die rubber pad (105), the second through hole (1021) of the lower die pressing plate (102), the core punching sheet (103), and the lower die pressing plate (102). The invention relates to a method for manufacturing a press machine comprising: forming a press machine with an inner hole (1033) of the upper die pressing plate (103), a second through hole (1021) of the upper die pressing plate (102), a third through hole (1051) of the upper die rubber pad (105), and a first through hole (1012) of the upper die bottom plate (101); the connecting through hole (1015) of the lower die bottom plate (101) is fixedly connected to the horizontal plate of the press machine; the connecting through hole (1015) of the upper die bottom plate (101) is fixedly connected to the press machine; the axial hole (1042) of the core shaft (104) is fixedly connected to the press machine; the press machine is started, the upper die and the lower die press the iron core punching sheet (103), and at the same time, 2n rivets are deformed under pressure to rivet the iron core punching sheet (103).
2. The motor core stacking riveting tool according to claim 1, characterized in that: The screw (107) comprises a hexagon socket screw.
3. The motor core stacking riveting tool according to claim 1, characterized in that: The tool for grinding the portion of the rivet head (106) protruding from the pressure plate (102) comprises a surface grinder.
4. The motor core stacking riveting tool according to claim 1, characterized in that: By adjusting the tightness of the screw (107), the compression amount of the rubber pad (105) is adjusted, thereby adjusting the deformation amount of the rivet on the core punching sheet.
5. The motor core stacking riveting tool according to claim 1, characterized in that: The processing methods of the base plate (101) include turning processing, tempering processing, surface grinding processing, and drilling processing.
6. The motor core stacking riveting tool according to claim 1, characterized in that: The processing methods of the pressing plate (102) include turning processing, tempering processing, surface grinding processing, drilling processing, wire cutting processing, and clamp processing.
7. The motor core stacking riveting tool according to claim 1, characterized in that: The processing methods of the core shaft (104) include turning processing, quenching processing, surface grinding processing, wire cutting processing, and clamp processing.
8. The motor core stacking riveting tool according to claim 1, characterized in that: The processing method of the rubber pad (105) includes clamp processing.
9. The motor core stacking riveting tool according to claim 1, characterized in that: The processing methods of the rivet head (106) include turning processing, quenching processing, and external cylindrical grinding processing.
10. The motor core stacking riveting tool according to claim 1, characterized in that: The fixed end (1063) of the rivet head (106) is transitionally matched with the first riveting hole (1013) of the bottom plate (101).