Magnetic suspension linear motor and hair cutting equipment

Abstract

The utility model discloses a magnetic suspension linear motor and hair cutting equipment, including a first elastic sheet assembly, a magnet fixing plate and a magnetic conductive sheet, one end of the first elastic sheet assembly is inserted into the magnet fixing plate, the magnetic conductive sheet is placed in from the side surface of the magnet fixing plate, the first elastic sheet assembly includes a clamping head and a first elastic sheet, the clamping head is formed at one end of the first elastic sheet, and the first elastic sheet is formed at the other end of the first elastic sheet. The clamping head is arranged in the magnet fixing plate, the clamping head comprises clamping parts, the clamping parts are at least two first convex blocks on one side, close to the magnetic conductive sheet, of the clamping head, and the end part of the magnetic conductive sheet is arranged in an area between the at least two first convex blocks to be pre-tightened. By arranging the clamping head in the magnet fixing plate, when the magnetic conductive sheet is laterally placed into the magnet fixing plate, the clamping head clamps and fixes the two ends of the magnetic conductive sheet, and the magnet fixing plate and the magnetic conductive sheet are inserted and positioned in cooperation with the fixing piece, so that the magnet fixing plate and the magnetic conductive sheet are mutually clamped and fixed in a matched mode. Mortise and tenon joint fixation is achieved among the magnet fixing plate, the clamping head and the magnetic conductive sheet in a mutual clamping and locking mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of linear motor especially relates to a magnetic suspension linear motor and hair cutting equipment. BACKGROUND

[0002] The magnetic suspension linear motor usually includes stator and mover, the mover is supported through the elastic sheet arranged at the both sides of the stator, the mover interacts with the electromagnet based on the coil winding on the stator through the permanent magnet on it, lets two moving parts in the mover output reciprocating linear motion.

[0003] The moving part in the magnetic suspension linear motor needs to bear the permanent magnet and the magnetic conductor, usually the magnetic conductor is fixed by being pasted or screw fastening on the moving part, in the face of the high frequency vibration working condition in the magnetic suspension linear motor, simple pasting fixation or screw fastening is easy to cause paste failure or screw loosening, and the magnetic conductor fixing mode is not stable. SUMMARY

[0004] The utility model provides a kind of magnetic suspension linear motor and hair cutting equipment, to solve the problem of unstable magnetic suspension linear motor in the magnetic conductor fixing mode.

[0005] According to the embodiment of the present application, a kind of magnetic suspension linear motor is provided, including reciprocating first movement part and second movement part, the first movement part includes first elastic sheet assembly, magnet fixed plate and magnetic sheet, the first elastic sheet assembly one end is inserted into the magnet fixed plate, the magnetic sheet is placed into the magnet fixed plate from the side of the magnet fixed plate;The first elastic sheet assembly includes clamping head and first elastic sheet, the clamping head is formed in the first elastic sheet one end, and the clamping head is built into the magnet fixed plate;The clamping head includes clamping portion, and the clamping portion is at least two first lugs of the clamping head on the side close to the magnetic sheet, when the magnetic sheet is placed into the magnet fixed plate, the end of the magnetic sheet is placed into the area between the at least two first lugs and pre-tightened;The magnet fixed plate and the magnetic sheet are also inserted with fixing piece.

[0006] Preferably, the clamping head also includes abutting portion, the abutting portion is the second lug of the side of the clamping head, when the clamping head is placed into the preset position from the bottom of the magnet fixed plate, the second lug is abutted on the magnet fixed plate.

[0007] Preferably, it also includes second elastic sheet assembly, and the two ends of the second elastic sheet assembly are connected with the first movement part and the second movement part respectively.

[0008] Preferably, the second elastic sheet assembly comprises a second elastic sheet and positioning portions arranged at two ends of the second elastic sheet, the positioning portions are arranged in and partially exposed from the magnet fixing plate; the positioning portions comprise a fixing cap and a plug, the fixing cap is formed at the end of the second elastic sheet, the fixing cap is arranged in from the bottom of the magnet fixing plate and exposed from the other side of the magnet fixing plate; the plug passes through the fixing cap and the second elastic sheet in the area exposed by the fixing cap; the magnet fixing plate is provided with a limiting groove at the position corresponding to the plug, and the plug is arranged in the limiting groove.

[0009] Preferably, the side surface of the fixing cap is provided with a third protruding block, when the fixing cap is arranged in the preset position in the magnet fixing plate, the third protruding block abuts against the magnet fixing plate.

[0010] Preferably, the bottom of the magnet conducting sheet is provided with a magnet, and the bottom of the magnet fixing plate is provided with a notch, when the magnet conducting sheet is arranged in the magnet fixing plate, the magnet enters from the direction of the notch, and the two ends of the magnet abut against the edge of the notch.

[0011] Preferably, the output assembly is further arranged on the side of the magnet fixing plate away from the magnet conducting sheet; the output assembly comprises a connecting plate and an output shaft, one side of the connecting plate is arranged on the magnet fixing plate, and the other side of the connecting plate is connected with the output shaft.

[0012] Preferably, the connecting plate is fixed to the magnet fixing plate based on a screw, and the screw passes through the connecting plate, the magnet fixing plate and the magnet conducting sheet in sequence.

[0013] Preferably, the fixing member is integrally formed with the connecting plate.

[0014] The utility model further provides a hair shearing equipment, including above-mentioned magnetic suspension linear motor.

[0015] Compared with the prior art, the magnetic suspension linear motor and the hair shearing equipment have the following beneficial effects:

[0016] By setting the clamping joint in the magnet fixing plate, when the magnetic conducting sheet is placed in the magnet fixing plate laterally, the clamping joint clamps and fixes the two ends of the magnetic conducting sheet, and the fixing piece is inserted and positioned to fix the magnet fixing plate and the magnetic conducting sheet in the freedom degree of lateral placement, the three are matched and clamped and fixed with each other, the mortise and tenon fixing is realized by the mutual clamping and locking between the magnet fixing plate, the clamping joint and the magnetic conducting sheet, all the freedom degrees of the magnet fixing plate, the clamping joint and the magnetic conducting sheet are locked, and gluing and screw tightening fixing are not needed, especially the freedom degrees in the movement directions of the first movement part and the second movement part are completely fixed by the clamping and locking mode, the problems of easy fatigue failure of single gluing or screw fixing are avoided, and the fixing stability of the magnetic conducting body is improved. Meanwhile, the assembly process is also reduced, the assembly of the first movement part and the second movement part is simplified to simple splicing and locking, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 is a structural schematic view of a magnetic suspension linear motor provided by the first embodiment of the present application.

[0019] Figure 2 is an exploded structural schematic view of a magnetic suspension linear motor provided by the first embodiment of the present application.

[0020] Figure 3 is a structural schematic view of an output assembly in a magnetic suspension linear motor provided by the first embodiment of the present application.

[0021] Figure 4 is an exploded structural schematic view of a first movement part and a second movement part in a magnetic suspension linear motor provided by the first embodiment of the present application.

[0022] Figure 5 is a structural schematic view of a first movement part and a second movement part in a magnetic suspension linear motor provided by the first embodiment of the present application.

[0023] Label explanation:

[0024] 1, first elastic sheet assembly; 11, clamping joint; 111, first protruding block; 112, second protruding block; 12, first elastic sheet;

[0025] 2, magnet fixing plate; 21, limiting groove; 22, notch;

[0026] 3, magnetic conducting sheet;

[0027] 4. The fixing member;

[0028] 5. The second elastic sheet assembly; 51, the second elastic sheet; 52, the positioning part; 521, the fixing cap; 522, the latch; 523, the third protrusion;

[0029] 6. The magnet;

[0030] 100, the first moving part; 200, the second moving part; 300, the base; 400, the output assembly; 401, the connecting plate; 402, the output shaft; 500, the screw. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] It should also be understood that the terms used in this specification of the present application are only for the purpose of describing particular embodiments and are not intended to limit the present application. As used in the specification of the present application and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0033] It should be further understood that the term "and / or" used in the specification of the present application and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0034] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first embodiment of the present application discloses a magnetic suspension linear motor, comprising a reciprocating first moving part 100, a second moving part 200 and a base 300, the first moving part 100 and the second moving part 200 are positioned on the base 300, the first moving part 100 and the second moving part 200 are respectively located on the base 300 to do alternating reciprocating linear motion to output outwardly. In this embodiment, the first moving part 100 and the second moving part 200 are the same structure, only the structure of the first moving part 100 is described.

[0035] The first moving part 100 comprises a first elastic sheet assembly 1, a magnet fixed plate 2 and a magnetic conducting sheet 3, one end of the first elastic sheet assembly 1 is inserted into the magnet fixed plate 2, and the magnetic conducting sheet 3 is placed into the magnet fixed plate 2 from the side of the magnet fixed plate 2.

[0036] It can be understood that in the embodiment, the first elastic sheet assembly 1 is arranged on opposite sides of the magnet fixed plate 2, so as to support the first moving part 100 by two ends. Since the technical solution of supporting by two ends is prior art in the magnetic suspension linear motor, only the structure of the first elastic sheet assembly 1 on one side and the connecting structure of the first elastic sheet assembly 1 and the magnet fixed plate 2 are described in detail, and the same structure on the other side is not described repeatedly.

[0037] The first elastic sheet assembly 1 comprises a clamping head 11 and a first elastic sheet 12, and the clamping head 11 is arranged in the magnet fixed plate 2. The clamping head 11 is formed on one end of the first elastic sheet 12, and the other end of the first elastic sheet 12 is connected with the base 300, that is, the first elastic sheet 12 supports the magnet fixed plate 2.

[0038] Please refer to Figure 2 and Figure 4 , the clamping head 11 comprises a clamping part, and the clamping part is at least two first protrusions 111 on the side of the clamping head 11 close to the magnetic conducting sheet 3. When the magnetic conducting sheet 3 is placed into the magnet fixed plate 2, the end of the magnetic conducting sheet 3 is pre-tightened in the area between the at least two first protrusions 111.

[0039] It can be understood that the at least two first protrusions 111 means that at least two first protrusions 111 are arranged to clamp and position the end of the magnetic conducting sheet 3, and three first protrusions 111 can also be arranged, for example, two first protrusions 111 are arranged on the top surface of the magnetic conducting sheet 3, and one first protrusion 111 is arranged on the bottom surface of the magnetic conducting sheet 3, as long as at least two first protrusions 111 are arranged on the two surfaces of the end of the magnetic conducting sheet 3 to clamp and position the end of the magnetic conducting sheet 3, and the number of the first protrusions 111 is not limited.

[0040] It can be understood that in the embodiment, the clamping head 11 and the base 300 are respectively formed on the two ends of the first elastic sheet.

[0041] The magnet fixed plate 2 and the magnetic conducting sheet 3 are also inserted with a fixing part 4 (as shown in Figure 3 ), so as to lock the magnetic conducting sheet 3 in the magnet fixed plate 2 in the direction of being placed from the side.

[0042] It can be understood that the fixing part 4 can be a bolt, a rivet or a pin, which is used to penetrate the magnet fixed plate 2 and the magnetic conducting sheet 3 at the same time, so as to limit the freedom degree of the magnetic conducting sheet 3 in the direction of being placed from the side of the magnet fixed plate 2.

[0043] It can be understood that the two ends of the magnetic conducting sheet 3 inserted into the magnet fixing plate 2 are simultaneously clamped by the first protrusion 111. In addition to improving the fixing stability of the magnetic conducting sheet 3, the magnetic conducting sheet 3 also limits the clamping joint 11, so that the clamping joint 11 is also simultaneously locked in the magnet fixing plate 2. Finally, the side surface of the magnetic conducting sheet 3 is inserted into the direction of the fixing part 4 to lock the freedom degree, so as to realize the mortise and tenon fixing by the mutual clamping locking between the magnet fixing plate 2, the clamping joint 11 and the magnetic conducting sheet 3, and lock all the freedom degrees of the magnet fixing plate 2, the clamping joint 11 and the magnetic conducting sheet 3.

[0044] Please continue to combine Figure 2 and Figure 3 The clamping joint 11 further comprises a resisting part, which is a second protrusion 112 on the side surface of the clamping joint 11. When the clamping joint 11 is inserted into the magnet fixing plate 2 from the bottom to a preset position, the second protrusion 112 is resisted on the magnet fixing plate 2.

[0045] It can be understood that the magnet fixing plate 2 is provided with a corresponding step at the position corresponding to the second protrusion 112, which is used for resisting the second protrusion 112.

[0046] It can be understood that the clamping joint 11 is resisted on the magnet fixing plate 2 by the second protrusion 112, so that the clamping joint 11 itself can be used as a stress point for bearing the magnet fixing plate 2, thereby reducing the force acting on the magnetic conducting sheet 3.

[0047] Please continue to combine Figure 2 and Figure 3 The first moving part 100 further comprises an output assembly 400, which is positioned on the side of the magnet fixing plate 2 away from the magnetic conducting sheet 3. The output assembly 400 is used for connecting the first moving part 100 and the second moving part 200 and outputting linear reciprocating motion outwardly.

[0048] The output assembly 400 comprises a connecting plate 401 and an output shaft 402. One side of the connecting plate 401 is positioned on the magnet fixing plate 2, and the other side is connected to the output shaft 402.

[0049] The connecting plate 401 is fixed to the magnet fixing plate 2 based on a screw 500. The screw 500 passes through the connecting plate 401, the magnet fixing plate 2 and the magnetic conducting sheet 3 in sequence. Therefore, the fixing stability of the magnetic conducting sheet 3 in the magnet fixing plate 2 can be further positioned based on the screw 500 for fixing the connecting plate 401.

[0050] Alternatively, in some other embodiments, the fixing part 4 is a cylindrical protrusion, which is integrally formed with the connecting plate 401. That is, when the output assembly 400 is installed, the magnetic conducting sheet 3 and the magnet fixing plate 2 can be simultaneously inserted and locked to reduce the assembly process.

[0051] Please continue to combine Figure 1 And Figure 4 The second spring piece assembly 5 is connected to the first moving part 100 and the second moving part 200 at both ends, and is used to assist the first spring piece assembly 1, increase the movement rigidity of the first moving part 100 and the second moving part 200, control the amplitude of the left and right swing of the first moving part 100 and the second moving part 200, and the swing amplitude is within the control range when the load is frequently added.

[0052] As Figure 4 The second spring piece assembly 5 includes a second spring piece 51 and a positioning part 52 arranged at both ends of the second spring piece 51. The positioning part 52 is inserted into and partially exposed from the magnet fixed plate 2, and the positioning part 52 is used to position the ends of the second spring piece 51 on the magnet fixed plate 2 in the first moving part 100 and the second moving part 200.

[0053] The positioning part 52 includes a fixed cap 521 and a latch 522. The fixed cap 521 is formed at the end of the second spring piece 51, and the fixed cap 521 is inserted from the bottom of the magnet fixed plate 2 and exposed on the other side of the magnet fixed plate 2. The latch 522 passes through the fixed cap 521 and the second spring piece 51 in the area exposed by the fixed cap 521, and the magnet fixed plate 2 is provided with a limiting groove 21 at the position corresponding to the latch 522. When the latch 522 is placed in the limiting groove 21, the fixed cap 521 is locked on the magnet fixed plate 2 through the locking of the latch 522, and the limiting of both ends of the second spring piece 51 is realized.

[0054] The side surface of the fixed cap 521 is provided with a third protruding block 523. When the fixed cap 521 is inserted into the magnet fixed plate 2 at a predetermined position, the third protruding block 523 abuts against the magnet fixed plate 2, and the positioning part 52 is completely limited in the vertical direction.

[0055] Please continue to combine Figure 4 And Figure 5 The bottom of the magnet guide sheet 3 is positioned with a magnet 6, and the bottom of the magnet fixed plate 2 is provided with a notch 22. When the magnet guide sheet 3 is inserted into the magnet fixed plate 2, the magnet 6 enters from the direction of the notch 22, and the two ends of the magnet 6 abut against the edge of the notch 22, so that the user can conveniently insert the magnet guide sheet 3.

[0056] The second embodiment of the utility model further provides a hair cutting device, which adopts the magnetic suspension linear motor provided in the first embodiment. In the embodiment, the hair cutting device can be used on electric devices such as electric hair clippers and electric shavers to trim and cut hair such as hair and beard.

[0057] Compared with the prior art, the magnetic suspension linear motor and the hair shearing device have the following beneficial effects:

[0058] By setting the clamping joint in the magnet fixing plate, when the magnetic conducting sheet is placed laterally into the magnet fixing plate, the clamping joint clamps and fixes the two ends of the magnetic conducting sheet, and the freedom of the magnet fixing plate and the magnetic conducting sheet in the lateral placement is positioned by the insertion of the fixing part, the three are clamped and fixed with each other, the magnet fixing plate, the clamping joint and the magnetic conducting sheet are fixed by the mutual clamping and locking mode, all the freedoms of the magnet fixing plate, the clamping joint and the magnetic conducting sheet are locked, and there is no need to perform gluing and screw tightening fixing, especially the freedom in the movement direction of the first movement part and the second movement part is completely fixed by the clamping and locking mode, the problem of easy fatigue failure of single gluing or screw fixing is avoided, and the fixing stability of the magnetic conducting body is improved. Meanwhile, the assembly process is reduced, the assembly of the first movement part and the second movement part is simplified to simple splicing and locking, and the assembly efficiency is improved.

[0059] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of claims.

Claims

1. A magnetic levitation linear motor, characterized by: The first motion part and the second motion part include reciprocating motion, the first motion part includes a first elastic sheet assembly, a magnet fixed plate and a magnetic conducting sheet, one end of the first elastic sheet assembly is inserted into the magnet fixed plate, and the magnetic conducting sheet is arranged on the side of the magnet fixed plate; The first elastic sheet assembly includes a clamping head and a first elastic sheet, the clamping head is formed on one end of the first elastic sheet, and the clamping head is arranged in the magnet fixed plate; The clamping head includes a clamping part, the clamping part is at least two first protrusions on the side of the clamping head close to the magnetic conducting sheet, when the magnetic conducting sheet is arranged in the magnet fixed plate, the end of the magnetic conducting sheet is pre-tightened in the area between the at least two first protrusions; The magnet fixed plate and the magnetic conducting sheet are further inserted with a fixing part.

2. The magnetic levitation linear motor as claimed in claim 1, characterized in that: The clamping head further includes an abutting part, the abutting part is a second protrusion on the side of the clamping head, when the clamping head is arranged in the preset position from the bottom of the magnet fixed plate, the second protrusion abuts on the magnet fixed plate.

3. The magnetic levitation linear motor as claimed in claim 1, characterized in that: The second elastic sheet assembly is further included, and two ends of the second elastic sheet assembly are connected with the first motion part and the second motion part respectively.

4. A magnetic levitation linear motor as claimed in claim 3, characterized in that: The second elastic sheet assembly includes a second elastic sheet and a positioning part arranged on both ends of the second elastic sheet, and the positioning part is arranged in and partially exposed from the magnet fixed plate; The positioning part includes a fixed cap and a latch, the fixed cap is formed on the end of the second elastic sheet, and the fixed cap is arranged in and exposed from the other side of the magnet fixed plate from the bottom of the magnet fixed plate; The latch passes through the fixed cap and the second elastic sheet in the area exposed by the fixed cap; The magnet fixed plate is provided with a limiting groove at the position corresponding to the latch, and the latch is arranged in the limiting groove.

5. A magnetic levitation linear motor as claimed in claim 4, characterized in that: The side of the fixed cap is provided with a protruding third protrusion, when the fixed cap is arranged in the preset position in the magnet fixed plate, the third protrusion abuts on the magnet fixed plate.

6. The magnetic levitation linear motor as claimed in claim 1, characterized in that: The bottom of the magnetic conducting sheet is positioned with a magnet; The bottom of the magnet fixed plate is provided with a notch, when the magnetic conducting sheet is arranged in the magnet fixed plate, the magnet enters from the direction of the notch, and the two ends of the magnet abut on the edge of the notch.

7. The magnetic levitation linear motor as claimed in claim 1, characterized in that: The output assembly is further included, and the output assembly is positioned on the side of the magnet fixed plate away from the magnetic conducting sheet; The output assembly includes a connecting plate and an output shaft, one side of the connecting plate is positioned on the magnet fixed plate, and the other side of the connecting plate is connected with the output shaft.

8. A magnetic levitation linear motor as claimed in claim 7, characterized in that: The connecting plate is fixed based on a screw and the magnet fixed plate; The screw passes through the connecting plate, the magnet fixed plate and the magnetic conducting sheet in sequence.

9. The magnetic levitation linear motor as claimed in claim 7, characterized in that: The fixing part is integrally formed with the connecting plate.

10. A hair shearing apparatus characterized by: The magnetic suspension linear motor includes any one of the magnetic suspension linear motors in claims 1-9.

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