Motor
By designing a structure containing magnet assembly and coil assembly in a linear motor, the problem of insufficient output force of the existing motor is solved, and a more efficient and reliable output effect is achieved.
Patent Information
- Application Number
- CN202411437565.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-02-14
AI Technical Summary
The output force of existing linear motors is low, which affects the reliability of the structure and usage scenarios.
A motor structure including a frame, a support frame, a magnet assembly and a coil assembly is designed. Through the combination of the magnet steel group and the magnet core in the magnet assembly, a complete magnetic circuit is formed, increasing the output impact force. The coil assembly changes the magnetic poles by controlling the current direction, thereby driving the front and rear movement of the output shaft.
It effectively improves the output effect and reliability of the motor, enhances the stability of the structure and use reliability.
Smart Images

Figure CN119448625A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an electric motor. Background Art
[0002] The motor has a variety of output forms, including driving the output shaft to rotate reciprocally to achieve vibration output, and also including an output method of driving the output shaft to move forward and backward. This motor that adopts the forward and backward motion output method is also called a linear motor. This type of motor usually uses a linear bearing to install the output shaft in the casing, and a magnet or armature is arranged on the output shaft. The armature wrapped with a coil is set in the casing and the current direction of the coil is changed to drive the output shaft to reciprocate. However, the output force of the existing motors of this type is relatively low, which affects the reliability of the structural function and thus affects the use scenario of the motor structure. Summary of the invention
[0003] In view of the deficiencies in the prior art, the present invention provides a motor with a simple structure, a reasonable layout, and effectively increases the output impact force. The axial output effect is more efficient and stable, and has good reliability in use.
[0004] To achieve the above-mentioned purpose, the present invention provides a motor, including a frame, in which an actuator is also arranged, the actuator including a support frame, a magnet assembly and a coil assembly, the support frame is fixedly connected to the frame, a receiving groove is opened on the support frame, the coil assembly includes a coil skeleton and a coil, the coil skeleton is arranged in the receiving groove, a first spring is abutted between the two ends of the coil skeleton and the support frame, the coil skeleton is sleeved outside the magnet assembly and is gap-matched with the magnet assembly, the magnet assembly includes a connecting shaft installed at both ends, a plurality of magnetic steel groups and a magnet core arranged between adjacent magnetic steel groups, each magnetic steel group includes two magnetic steels with opposite poles and a magnet core arranged between the two magnetic steels, the connecting shaft is connected to the support frame through a linear bearing, one of the connecting shafts extends outside the frame to form an output shaft, and a coil is wrapped around the coil skeleton corresponding to the position of each magnet core.
[0005] The beneficial effect of such an arrangement is as follows: such an arrangement, through such a magnet assembly arrangement, through several groups of magnetic steel groups, and the magnetic poles of the magnetic steels in each magnetic steel group are opposite, and are connected through the magnet core, a complete magnetic circuit is formed in the magnet assembly, so that the overall force effect is better and the output effect is effectively improved. The connection between the magnetic steel and the magnet core here is preferably in the form of glue bonding to improve the torsional resistance of the structure. Further, the contact area can be increased by adding card slots and card blocks or increasing glue grooves or welding grooves to ensure the reliability of the structural connection. Further, through the coil assembly, by controlling the direction of the current in the coil, the magnetic pole is changed in a targeted manner, thereby controlling the forward and backward movement of the magnet assembly to drive the output shaft to move forward and backward. This method is simple, easy to implement, and has a stronger output effect.
[0006] As a further configuration of the present invention, the coil frame is further provided with a plurality of coil core sheets along the circumferential direction, and the coil core sheets are provided with induction slots corresponding to the coil positions.
[0007] The beneficial effects of such an arrangement are: such an arrangement further increases the force of the structure, making the overall action output more stable and reliable, and improving the use effect of the structure. At the same time, the structure is simple, and the coil iron core sheet can be surrounded outside the winding to limit the position of the coil winding, thereby improving the stability of the structure. At the same time, the structure is simple and is conducive to production and processing.
[0008] As a further configuration of the present invention, positioning grooves are arranged at intervals on the coil frame, coil grooves are arranged between the positioning grooves, the coil is wrapped in the coil grooves, and a plurality of insertion pieces that are plugged into the positioning grooves are arranged on the coil iron core sheet.
[0009] The beneficial effects of such a setting are: such a setting can effectively position the coil iron core sheet, ensure the stability of the position of the coil iron core sheet, avoid loosening, have a good use effect, and ensure the stability of the coil winding position through the coil groove, thereby improving the reliability of the structure.
[0010] As a further configuration of the present invention, a guide groove is provided on the side wall of the positioning groove corresponding to the insertion piece, and the edge of the insertion piece is plugged into and matched with the guide groove.
[0011] The beneficial effect of such arrangement is that such arrangement ensures the stable position of the coil iron core sheet and avoids loosening during use, and at the same time, the structure is simple, easy to implement, and has a good use effect.
[0012] As a further configuration of the present invention, a notch groove is provided on the coil frame between the positioning groove and the coil groove, and the coil core sheet is snap-fitted with the notch groove.
[0013] The beneficial effect of such arrangement is that such arrangement further improves the convenience of coil iron core sheet positioning, while effectively ensuring the positioning stability of the coil iron core sheet, and at the same time, the structure is simple, easy to implement, and has a good use effect.
[0014] As a further configuration of the present invention, first slots are respectively provided on the coil skeleton and the support frame at positions corresponding to the first spring, and two ends of the first spring are respectively clamped in the corresponding first slots.
[0015] The beneficial effects of such a configuration are as follows: such a configuration can further ensure that the structure can return to its original position when subjected to force vibration through the first spring, and the arrangement of multiple spring structures can reduce the impact of vibration on the frame and effectively cushion the shock, and the first slot structure can facilitate the positioning of the first spring to avoid deviation during use and ensure the stability of the position.
[0016] As a further configuration of the present invention, a second spring is disposed between the support frame and the connecting shaft, and second slots are disposed on the connecting shaft and the support frame at positions corresponding to the second spring, and both ends of the second spring are respectively disposed in the corresponding second slots.
[0017] The beneficial effect of such a setting is as follows: with such a setting, the second spring can further ensure that the structure can return to its original position when subjected to force and vibration, the arrangement of multiple spring structures can reduce the impact of vibration on the frame and effectively cushion the shock, and the second slot structure can facilitate the positioning of the second spring to avoid deviation during use and ensure the stability of the position.
[0018] As a further configuration of the present invention, a third spring is abutted between the frame and the support frame, and third slots are respectively provided on the frame and the support frame at positions corresponding to the third spring, and both ends of the third spring are respectively clamped in the corresponding third slots.
[0019] The beneficial effects of such a configuration are as follows: such a configuration can further ensure that the structure can return to its original position when subjected to force vibration through the third spring, and the arrangement of multiple spring structures can reduce the impact of vibration on the frame, effectively absorbing shock, and the third slot structure can facilitate the positioning of the third spring to avoid deviation during use and ensure the stability of the position.
[0020] As a further configuration of the present invention, a boss is provided on the end face of the support frame, a groove is provided on the frame, the boss is mounted on the groove, a buckle is also provided on the frame, and the buckle is buckled on the groove to limit the support frame from the frame.
[0021] The beneficial effects of such arrangement are: such arrangement facilitates the installation and positioning of the support frame and facilitates modular production, and at the same time, the structure is simple, easy to implement, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 The structure of the embodiment of the present invention is schematically shown;
[0023] Figure 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention;
[0024] Figure 3 It is a structural schematic diagram of a magnet assembly in an embodiment of the present invention;
[0025] Figure 4 A schematic diagram of the structure of a coil skeleton in an embodiment of the present invention;
[0026] Figure 5 A partial enlarged view of the position of the positioning groove on the coil skeleton in the embodiment of the present invention;
[0027] Figure 6 Schematic diagram of the structure of the coil core sheet in an embodiment of the present invention;
[0028] Figure 7 It is a partial enlarged view of the connection position between the buckle and the support frame in the embodiment of the present invention. DETAILED DESCRIPTION
[0029] The present invention provides a motor, such as Figures 1 to 7As shown, it includes a frame 1, in which an actuator is also arranged, and the actuator includes a support frame 2, a magnet assembly and a coil 37 assembly. The support frame 2 is fixedly connected to the frame 1, and a receiving groove is opened on the support frame 2. The coil 37 assembly includes a coil skeleton 3 and a coil 37, and the coil skeleton 3 is arranged in the receiving groove. A first spring 31 is abutted between the two ends of the coil skeleton 3 and the support frame 2. The coil skeleton 3 is sleeved outside the magnet assembly and is gap-matched with the magnet assembly. The magnet assembly includes a connecting shaft 43 installed at both ends, a plurality of magnetic steel groups and a magnet core 42 arranged between adjacent magnetic steel groups, each group of magnetic steel groups includes two magnetic steels 41 with opposite magnetic poles and a magnet core 42 arranged between the two magnetic steels 41, the connecting shaft 43 is connected to the support frame 2 through a linear bearing, and one of the connecting shafts 43 extends outside the frame 1 to form an output shaft 44, and the coil 37 is wrapped around the coil skeleton 3 corresponding to the position of each magnet core 42. The beneficial effect of such a configuration is as follows: such a configuration, through such a magnet assembly configuration, through several groups of magnetic steel groups, and the magnetic poles of the magnetic steel 41 in each magnetic steel group are opposite, and are connected through the magnetic core 42, a complete magnetic circuit is formed in the magnet assembly, so that the overall force effect is better and the output effect is effectively improved. The connection between the magnetic steel 41 and the magnetic core 42 here is preferably in the form of glue bonding to improve the torsional resistance of the structure. Further, the contact area can be increased by adding card slots and card blocks or increasing glue grooves or welding grooves to ensure the reliability of the structural connection. Further, through the coil 37 assembly, by controlling the direction of the current in the coil 37, the magnetic pole is changed in a targeted manner, thereby controlling the forward and backward movement of the magnet assembly to drive the output shaft 44 to move forward and backward. This method is simple, easy to implement, and has a stronger output effect.
[0030] As a further configuration of this embodiment, the coil skeleton 3 is further provided with a plurality of coil core sheets 5 along the circumferential direction, and the coil core sheets 5 are provided with induction slots 51 at positions corresponding to the coils 37. The beneficial effects of such configuration are: such configuration further improves the force of the structure, makes the overall action output more stable and reliable, improves the use effect of the structure, and has a simple structure. Moreover, such coil core sheets 5 can be surrounded outside the winding to limit the position of the winding of the coil 37, improves the use stability of the structure, and has a simple structure, which is conducive to production and processing.
[0031] As a further configuration of this embodiment, the coil skeleton 3 is provided with positioning grooves 33 at intervals, and coil grooves 32 are provided between the positioning grooves 33. The coil 37 is wrapped in the coil grooves 32, and the coil core sheet 5 is provided with a plurality of insertion sheets 52 that are plugged and matched with the positioning grooves 33. The beneficial effects of such configuration are: such configuration effectively positions the coil core sheet 5, ensures the stability of the position of the coil core sheet 5, avoids loosening, has a good use effect, and ensures the stability of the wrapping position of the coil 37 through the coil grooves 32, thereby improving the reliability of the structure.
[0032] As a further configuration of this embodiment, a guide groove 34 is provided on the side wall of the positioning groove 33 corresponding to the insertion piece 52, and the edge of the insertion piece 52 is plugged into and matched with the guide groove 34. The beneficial effect of this configuration is that the position of the coil core sheet 5 is ensured to be stable, and looseness is avoided during use. At the same time, the structure is simple, easy to implement, and has a good use effect.
[0033] As a further configuration of this embodiment, a notch groove 35 is provided between the positioning groove 33 and the coil groove 32 on the coil skeleton 3, and the coil core sheet 5 is engaged with the notch groove 35. The beneficial effect of this configuration is that the convenience of positioning the coil core sheet 5 is further improved, and the positioning stability of the coil core sheet 5 is effectively ensured. At the same time, the structure is simple, which is convenient for implementation and has a good use effect.
[0034] As a further configuration of this embodiment, the coil skeleton 3 and the support frame 2 are respectively provided with first clamping grooves 36 at positions corresponding to the first spring 31, and the two ends of the first spring 31 are respectively clamped in the corresponding first clamping grooves 36. The beneficial effects of such configuration are: such configuration, such configuration, through the first spring 31, it is possible to further ensure that the structure can return to its original position when subjected to force vibration, and through the arrangement of multiple spring structures, the influence of vibration on the frame 1 can be reduced, and shock can be effectively cushioned, and the first clamping groove 36 structure is used to facilitate the positioning of the first spring 31, so as to avoid deviation during use and ensure the stability of the position.
[0035] As a further configuration of this embodiment, a second spring 45 is in contact between the support frame 2 and the connecting shaft 43, and second slots are respectively provided on the connecting shaft 43 and the support frame 2 at positions corresponding to the second spring 45, and both ends of the second spring 45 are respectively clamped in the corresponding second slots. The beneficial effect of such configuration is that, by such configuration, the second spring 45 can further ensure that the structure can return to its original position when subjected to force and vibration, and the arrangement of multiple spring structures can reduce the influence of vibration on the frame 1, effectively cushioning the shock, and the second slot structure can facilitate the positioning of the second spring 45, avoid deviation during use, and ensure the stability of the position.
[0036] As a further configuration of this embodiment, a third spring 46 is provided between the frame 1 and the support frame 2, and third slots are provided on the frame 1 and the support frame 2 at positions corresponding to the third spring 46, and both ends of the third spring 46 are respectively provided in the corresponding third slots. The beneficial effect of such configuration is that, by such configuration, the third spring 46 can further ensure that the structure can return to its original position when subjected to force and vibration, and the arrangement of multiple spring structures can reduce the influence of vibration on the frame 1, effectively cushioning the shock, and the third slot structure can facilitate the positioning of the third spring 46, avoiding deviation during use and ensuring the stability of the position.
[0037] As a further configuration of this embodiment, a boss 21 is provided on the end surface of the support frame 2, a saddle groove is provided on the frame 1, the boss 21 is saddled in the saddle groove, and a buckle 11 is further provided on the frame 1, the buckle 11 is buckled on the saddle groove to limit the support frame 2 from being separated from the frame 1. The beneficial effect of this configuration is that this configuration facilitates the installation and positioning of the support frame 2, facilitates modular production, and has a simple structure, is easy to implement, and has a good use effect.
[0038] The above example is only one preferred specific example of the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are all included in the protection scope of the present invention.
Claims
1. A motor, comprising a frame, wherein an actuator is also arranged in the frame, characterized in that: The actuator includes a support frame, a magnet assembly and a coil assembly. The support frame is fixedly connected to the frame, and a receiving groove is provided on the support frame. The coil assembly includes a coil frame and a coil, and the coil frame is arranged in the receiving groove. A first spring is abutted between the two ends of the coil frame and the support frame. The coil frame is sleeved outside the magnet assembly and is gap-matched with the magnet assembly. The magnet assembly includes a connecting shaft installed at both ends, a plurality of magnetic steel groups and a magnet core arranged between adjacent magnetic steel groups, each magnetic steel group includes two magnetic steels with opposite poles and a magnet core arranged between the two magnetic steels, the connecting shaft is connected to the support frame through a linear bearing, one of the connecting shafts extends outside the frame to form an output shaft, and a coil is wrapped around the coil frame corresponding to each magnet core position.
2. The motor according to claim 1, characterized in that: The coil frame is also provided with a plurality of coil core sheets along the circumferential direction, and the coil core sheets are provided with induction slots corresponding to the coil positions.
3. The motor according to claim 2, characterized in that: Positioning grooves are arranged at intervals on the coil frame, coil grooves are arranged between the positioning grooves, the coil is wrapped in the coil grooves, and a plurality of insertion pieces which are plugged and matched with the positioning grooves are arranged on the coil iron core sheet.
4. The motor according to claim 3, characterized in that: A guide groove is arranged on the side wall of the positioning groove corresponding to the insertion piece, and the edge of the insertion piece is plugged into and matched with the guide groove.
5. The motor according to claim 4, characterized in that: A notch groove is arranged on the coil frame between the positioning groove and the coil groove, and the coil iron core sheet is snap-fitted with the notch groove.
6. The motor according to claim 1, characterized in that: The coil frame and the support frame are respectively provided with first clamping grooves at positions corresponding to the first spring, and two ends of the first spring are respectively clamped in the corresponding first clamping grooves.
7. The motor according to claim 6, characterized in that: A second spring is disposed between the support frame and the connecting shaft. Second clamping grooves are provided on the connecting shaft and the support frame at positions corresponding to the second spring. Two ends of the second spring are clamped in the corresponding second clamping grooves.
8. The motor according to claim 7, characterized in that: A third spring is disposed between the frame and the support frame, and third clamping grooves are respectively arranged on the frame and the support frame at positions corresponding to the third spring, and two ends of the third spring are respectively clamped in the corresponding third clamping grooves.
9. The motor according to claim 1, characterized in that: The support frame end surface is provided with a convex column, the frame is provided with a ledge, the convex column is ledged in the ledge, the frame is further provided with a buckle, the buckle is buckled on the ledge to achieve the support frame from the frame to limit the position.