Riveting equipment for brushless motor shell
By designing a riveting cylinder with adjustable height and output angle in the riveting equipment of the brushless motor case, the problem that existing equipment cannot adapt to curved riveting is solved, and stable and efficient riveting operation is achieved.
Patent Information
- Application Number
- CN202420962947.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The riveting equipment of the existing motor case and the end cover cannot adapt to the riveting operation on the arc surface, resulting in the riveting block sliding and unable to rivet normally.
A riveting device for brushless motor housing is designed, including a base, support frame and riveting assembly. By providing a height-adjustable riveting cylinder outside the rotary positioning seat, and adjusting the output angle of the riveting cylinder with the adjustment assembly until the riveting pressure The block may be vertically abutted at the end cover to be riveted.
The adaptation of riveting operations on the arc surface is achieved, ensuring that the riveting press can be properly abutted at the place to be riveted, and the stability and efficiency of riveting are improved.
Smart Images

Figure CN222484515U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor shell assembly, in particular to a riveting device for a brushless motor shell. Background Art
[0002] The riveting of the motor housing and the end cover is achieved by deforming the rivet by using the axial force. The utility model patent with the patent announcement number CN209021090U relates to a riveting tool for the motor housing and the end cover, including a bottom plate, a positioning seat is fixed on the top of the bottom plate, a housing limit groove is provided in the positioning seat, the inner surface of the housing limit groove is provided with a first anti-skid pad, and the periphery of the positioning seat is provided with a plurality of riveting mechanisms distributed along its circumferential direction; a pressing plate is provided above the positioning seat, at least two sliders are fixed to the edge of the pressing plate, and the sliders are sleeved on the columns fixed to the bottom plate, a first cylinder is connected to the top of the pressing plate, a pressing block is fixed to the lower surface, the pressing block is provided with an end cover limit groove directly opposite to the housing limit groove, and a second anti-skid pad is provided on the inner surface of the end cover limit groove; a plurality of upper vertical plates are also fixed to the lower surface of the pressing plate, the upper vertical plate is connected to the second cylinder, the end of the second cylinder is connected to the limit block, and the second cylinder is evenly distributed around the pressing block along the circumferential direction. .
[0003] In the above device, the third cylinder drives the riveting block to perform the riveting operation, and this operation can only perform horizontal riveting. However, some brushless motors have an arc surface at the end cover and the motor housing to be riveted. When the above device is used to rivet such a brushless motor with an arc surface, the riveting block may slide and cannot be riveted normally. For this reason, we propose a riveting device for a brushless motor housing. Utility Model Content
[0004] The utility model aims to provide a riveting device for a brushless motor housing to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a riveting device for a brushless motor housing, comprising a base, a support frame and a riveting assembly, a rotating positioning seat is fixed on the base, the support frame is fixed on the base, a top plate is fixed on the top of the support frame, a power box is fixed on the top plate, an end cover limit block driven by the power box is provided at the bottom of the top plate, the riveting assembly is arranged on the base, the riveting assembly comprises a telescopic frame, an adjusting assembly, a driving assembly and a riveting cylinder, the driving assembly is arranged on the base, the telescopic frame is arranged on the driving assembly, an adjusting assembly is provided above the telescopic frame, the riveting cylinder is arranged on the outside of the adjusting assembly, and a riveting block is fixed on the output end of the riveting cylinder. The utility model can adapt to the riveting operation on the arc surface by arranging a riveting cylinder with adjustable height on the outside of the rotating positioning seat, and cooperating with the adjusting assembly to adjust the output angle of the riveting cylinder, so that the riveting block is pressed against the end cover and the motor housing to be riveted.
[0006] Preferably, the driving assembly includes a driving motor, a fixing frame is fixed at the bottom of the base, a forward and reverse screw rod is rotatably provided in the fixing frame, the driving motor is fixed on the outside of the fixing frame, one end of the forward and reverse screw rod is rotatably connected to the inside of the fixing frame, and the other end passes through the fixing frame and is fixed to the output end of the driving motor, sliding holes are symmetrically provided on the base, support blocks are slidably provided in the sliding holes, two support blocks are symmetrically distributed on the outside of the rotating positioning seat, two ends of the forward and reverse screw rod are respectively threadedly connected to the two support blocks, the bottom of the support block is slidably connected to the fixed frame, the telescopic frame is fixed on the top of the support block, and the operation of the driving motor drives the two riveting cylinders to move closer to or away from each other, so as to facilitate the riveting pressure block to be pressed against the end cover to be riveted.
[0007] Preferably, the adjusting assembly includes a pressure rod, a fixed plate is fixed on the top of the telescopic frame, a storage frame is fixed on the fixed plate, a mounting plate is rotatably provided in the storage frame, a riveting cylinder is fixed on the outside of the mounting plate, an electric hydraulic cylinder is provided in the telescopic frame, the bottom of the electric hydraulic cylinder is fixed to the support block, the output end of the electric hydraulic cylinder is fixed to the bottom of the fixed plate, a mounting frame is fixed on the top of the fixed plate away from the storage frame, a sliding block is provided in the mounting frame for sliding, a screw is rotatably provided in the mounting frame, an adjusting motor is fixed to the bottom of the fixed plate, the output end of the adjusting motor is fixed to the screw, the screw is threadedly connected to the slider, an auxiliary frame is fixed on the outside of the slider, one end of the pressure rod is rotatably connected to the auxiliary frame, and the other end is rotatably connected to the side of the mounting plate away from the riveting cylinder, so as to adjust the output angle of the riveting cylinder, which is suitable for the riveting operation of the curved end cover.
[0008] Preferably, feet are symmetrically fixed to the bottom of the base to facilitate supporting the entire device.
[0009] Preferably, a limit plate is symmetrically fixed in the fixed frame, the limit plate is located outside the sliding hole, the limit plate is fixed to the bottom of the base, and the positive and negative screw rods are rotatably connected to the limit plate to provide rotation support for the middle part of the positive and negative screw rods.
[0010] Preferably, the end of the pressure rod close to the slider is higher, and the end close to the mounting plate is lower, so that the reaction force of the riveting cylinder can act on the pressure rod as much as possible.
[0011] Preferably, a rotor shaft limiting groove is provided in the rotating positioning seat for positioning the motor housing when it is placed.
[0012] Compared with the traditional technology, the beneficial effects of the utility model are:
[0013] 1. A riveting cylinder with adjustable height is arranged on the outside of the rotating positioning seat, and the motor is adjusted to drive the screw to rotate, thereby driving the slider to slide downward in the mounting frame, and the mounting plate is squeezed by the pressure rod to drive the riveting cylinder fixed on the mounting plate to rotate downward, and the output angle of the riveting cylinder is adjusted until the riveting cylinder can drive the riveting block to vertically rest on the riveting point on the outside of the end cover, so as to adapt to the riveting operation on the curved surface.
[0014] 2. The end of the pressure rod close to the slider is higher, and the end close to the mounting plate is lower, so that the reaction force received by the riveting cylinder during the riveting operation can be applied to the pressure rod as much as possible, making the riveting operation more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of another viewing angle of the overall structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the riveting assembly of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model.
[0019] In the figure: 1-base; 2-support frame; 3-riveting assembly; 4-rotating positioning seat; 5-top plate; 6-power box; 7-end cover limit block; 8-telescopic frame; 9-adjusting assembly; 10-driving assembly; 11-riveting cylinder; 12-riveting pressure block; 13-driving motor; 14-fixing frame; 15-positive and negative screw rods; 16-sliding hole; 17-support block; 18-pressure rod; 19-fixing plate; 20-storage rack; 21-mounting plate; 22-electric hydraulic cylinder; 23-mounting frame; 24-slider; 25-screw; 26-adjusting motor; 27-auxiliary frame; 28-support foot; 29-limiting plate; 30-rotor shaft limit groove. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Example:
[0022] See also Figure 1-Figure 4In the figure, a riveting device for a brushless motor housing comprises a base 1, a support frame 2 and a riveting assembly 3. The bottom of the base 1 is symmetrically fixed with supporting feet 28 for supporting the whole device. A rotating positioning seat 4 is fixed on the base 1. The rotating positioning seat 4 is provided with a rotor shaft limiting groove 30 for positioning operation when the motor housing is placed. The support frame 2 is fixed on the base 1. A top plate 5 is fixed on the top of the support frame 2. A power box 6 is fixed on the top plate 5. An end cover limiting block 7 driven by the power box 6 is provided at the bottom of the top plate 5. The riveting assembly 3 is arranged on the base 1. The riveting assembly 3 comprises a telescopic frame 8, an adjusting assembly 9, a driving assembly 10 and a riveting cylinder 11. The driving assembly 10 is arranged on the base 1, the telescopic frame 8 is arranged on the driving assembly 10, and an adjusting assembly 9 is provided above the telescopic frame 8. The riveting cylinder 11 is arranged on the outside of the adjusting assembly 9, and a riveting pressing block 12 is fixed to the output end of the riveting cylinder 11.
[0023] Some implementation methods of the present application are described in detail below with reference to the accompanying drawings:
[0024] See also Figure 1-Figure 4 By arranging a riveting cylinder 11 with adjustable height on the outside of the rotating positioning seat 4, and adjusting the output angle of the riveting cylinder 11 in conjunction with the adjusting component 9, the riveting block 12 is pressed against the end cover and the motor housing where they are to be riveted, which can adapt to the riveting operation on the curved surface.
[0025] The driving assembly 10 includes a driving motor 13, a fixing frame 14 is fixed at the bottom of the base 1, a positive and negative screw rod 15 is rotatably arranged in the fixing frame 14, the driving motor 13 is fixed to the outside of the fixing frame 14, one end of the positive and negative screw rod 15 is rotatably connected to the inside of the fixing frame 14, and the other end passes through the fixing frame 14 and is fixed to the output end of the driving motor 13, a sliding hole 16 is symmetrically arranged on the base 1, a support block 17 is slidably arranged in the sliding hole 16, and two support blocks 17 are symmetrically distributed on the outside of the rotating positioning seat 4, and the two ends of the positive and negative screw rod 15 are respectively connected to the The two support blocks 17 are threadedly connected, and the bottom of the support block 17 is slidably connected to the fixed frame 14. A limit plate 29 is symmetrically fixed in the fixed frame 14 to provide rotation support for the middle part of the positive and negative screw rods 15. The limit plate 29 is located outside the sliding hole 16. The limit plate 29 is fixed to the bottom of the base 1, and the positive and negative screw rods 15 are rotatably connected to the limit plate 29. The telescopic frame 8 is fixed to the top of the support block 17. The operation of the driving motor 13 drives the two riveting cylinders 11 to move closer to or away from each other, so that the riveting block 12 is conveniently pressed against the end cover to be riveted.
[0026] At the same time, the adjustment component 9 includes a pressure rod 18, a fixed plate 19 is fixed on the top of the telescopic frame 8, a storage rack 20 is fixed on the fixed plate 19, a mounting plate 21 is rotatably arranged inside the storage rack 20, the storage rack 20 is used to store the mounting plate 21 in the vertical state in the initial state, the riveting cylinder 11 is fixed on the outside of the mounting plate 21, an electric hydraulic cylinder 22 is arranged inside the telescopic frame 8, the bottom of the electric hydraulic cylinder 22 is fixed to the support block 17, the output end of the electric hydraulic cylinder 22 is fixed to the bottom of the fixed plate 19, and the top of the fixed plate 19 is away from the storage rack 20 A mounting frame 23 is fixed to one side, a slider 24 is slidably provided in the mounting frame 23, a screw 25 is rotatably provided in the mounting frame 23, an adjusting motor 26 is fixed to the bottom of the fixing plate 19, the output end of the adjusting motor 26 is fixed to the screw 25, the screw 25 is threadedly connected to the slider 24, an auxiliary frame 27 is fixed to the outside of the slider 24, one end of the pressure rod 18 is rotatably connected to the auxiliary frame 27, and the other end is rotatably connected to a side of the mounting plate 21 away from the riveting cylinder 11, so as to adjust the output angle of the riveting cylinder 11, which is suitable for the riveting operation of the curved end cover.
[0027] The motor housing is positioned on the rotating positioning seat 4 using the rotor shaft limiting groove 30, and then the end cover is placed on the motor housing, and the end cover is rotated to coincide the riveting point on the end cover with the riveting point on the motor housing, and then the power box 6 is used to drive the end cover limiting block 7 to move downward, and the end cover is limited and pressed by the end cover limiting block 7 to limit the end cover on the motor housing, and then the positive and negative screw rods 15 are driven to rotate by the driving motor 13, so that the two support blocks 17 are driven to move toward each other by the positive and negative screw rods 15, so that the two riveting cylinders 11 on the support block 17 are close to each other, At the same time, the motor 26 is adjusted to rotate and drive the screw 25 to rotate. The screw 25 drives the slider 24 to slide downward in the mounting frame 23. The slider 24 uses the pressure rod 18 to squeeze the mounting plate 21, thereby driving the riveting cylinder 11 fixed on the mounting plate 21 to rotate downward, and then adjusting the output angle of the riveting cylinder 11 until the riveting cylinder 11 is adjusted to drive the riveting block 12 to vertically rest on the riveting point on the outside of the end cover. Then, the operation of the riveting cylinder 11 is used to drive the riveting block 12 to perform the riveting operation, which can adapt to the riveting operation on the curved surface.
[0028] It is worth noting that Figure 4 As shown, the end of the pressure rod 18 close to the slider 24 is higher, and the end close to the mounting plate 21 is lower, so that the reaction force received by the riveting cylinder 11 during the riveting operation can be applied to the pressure rod 18 as much as possible, making the riveting operation more stable.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or may also include elements inherent to such process, method, article or device.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A riveting device for a brushless motor housing, characterized in that: include: A base (1), a support frame (2) and a riveting assembly (3), wherein a rotating positioning seat (4) is fixed on the base (1), the support frame (2) is fixed on the base (1), a top plate (5) is fixed on the top of the support frame (2), a power box (6) is fixed on the top plate (5), an end cover limit block (7) driven by the power box (6) is provided at the bottom of the top plate (5), the riveting assembly (3) is arranged on the base (1), the riveting assembly (3) comprises a telescopic frame (8), an adjustment assembly (9), a driving assembly (10) and a riveting cylinder (11), the driving assembly (10) is arranged on the base (1), the telescopic frame (8) is arranged on the driving assembly (10), the adjustment assembly (9) is provided above the telescopic frame (8), the riveting cylinder (11) is arranged on the outside of the adjustment assembly (9), and a riveting pressure block (12) is fixed at the output end of the riveting cylinder (11).
2. The riveting device for a brushless motor housing according to claim 1, characterized in that: The driving assembly (10) comprises a driving motor (13), a fixing frame (14) is fixed at the bottom of the base (1), a forward and reverse screw rod (15) is rotatably arranged in the fixing frame (14), the driving motor (13) is fixed on the outside of the fixing frame (14), one end of the forward and reverse screw rod (15) is rotatably connected to the inside of the fixing frame (14), and the other end passes through the fixing frame (14) and is fixed to the output end of the driving motor (13), sliding holes (16) are symmetrically arranged on the base (1), and a support block (17) is slidably arranged in the sliding hole (16), and two support blocks (17) are symmetrically distributed on the outside of the rotating positioning seat (4), two ends of the forward and reverse screw rod (15) are respectively threadedly connected to the two support blocks (17), the bottom of the support block (17) is slidably connected to the fixing frame (14), and the telescopic frame (8) is fixed on the top of the support block (17).
3. The riveting device for a brushless motor housing according to claim 2, characterized in that: The adjustment assembly (9) comprises a pressure rod (18), a fixing plate (19) is fixed on the top of the telescopic frame (8), a storage frame (20) is fixed on the fixing plate (19), a mounting plate (21) is rotatably arranged inside the storage frame (20), the riveting cylinder (11) is fixed on the outside of the mounting plate (21), an electric hydraulic cylinder (22) is arranged inside the telescopic frame (8), the bottom of the electric hydraulic cylinder (22) is fixed to the support block (17), the output end of the electric hydraulic cylinder (22) is fixed to the bottom of the fixing plate (19), and the top of the fixing plate (19) is away from the storage frame (20) A mounting frame (23) is fixed on one side of the fixing plate (19), a slider (24) is slidably provided in the mounting frame (23), a screw (25) is rotatably provided in the mounting frame (23), an adjusting motor (26) is fixed on the bottom of the fixing plate (19), an output end of the adjusting motor (26) is fixed to the screw (25), the screw (25) is threadedly connected to the slider (24), an auxiliary frame (27) is fixed on the outside of the slider (24), one end of the pressure rod (18) is rotatably connected to the auxiliary frame (27), and the other end is rotatably connected to a side of the mounting plate (21) away from the riveting cylinder (11).
4. The riveting device for a brushless motor housing according to claim 1, characterized in that: Support feet (28) are symmetrically fixed to the bottom of the base (1).
5. The riveting device for a brushless motor housing according to claim 2, characterized in that: A limit plate (29) is symmetrically fixed inside the fixed frame (14), the limit plate (29) is located outside the sliding hole (16), the limit plate (29) is fixed to the bottom of the base (1), and the forward and reverse screw rods (15) are rotatably connected to the limit plate (29).
6. The riveting device for a brushless motor housing according to claim 3, characterized in that: The end of the pressure rod (18) close to the slider (24) is higher, while the end close to the mounting plate (21) is lower.
7. The riveting device for a brushless motor housing according to claim 1, characterized in that: A rotor shaft limiting groove (30) is provided in the rotation positioning seat (4).
Citation Information
Patent Citations
Riveting tool for motor casing and end cover
CN209021090U
Cited By
A riveting device for a micro motor end cover
CN224879143U