Brushless motor magnetic steel support assembling device

Through innovative designs of assembling components such as main seat, motor positioning seat and crimp cylinder, the integrated crimping and clamping operation of brushless motor magnetic steel brackets is achieved, which solves the problems of cumbersome assembly process and positioning errors in the traditional assembly process, and improves production efficiency and assembly accuracy.

CN223261430UActive Publication Date: 2025-08-22YUEQING XINYE PLASTIC CO LTD
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Patent Information

Application Number
CN202422501017.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-22
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The assembly process of traditional brushless motor magnet brackets is cumbersome, time-consuming, and not suitable for mass production, and is prone to positioning errors, affecting assembly accuracy and consistency.

Method used

The combined design of assembled main seat, motor positioning seat, crimp cylinder and side drive assembly is adopted to realize the integrated operation of crimp and magnetic steel bracket clamping. Through the crimp cylinder, the crimp drive assembly and side drive assembly are synchronized, reducing manual fixing steps and improving production efficiency and accuracy.

Benefits of technology

The assembly steps are simplified, production efficiency is improved, assembly accuracy and consistency are ensured, and suitable for mass production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a brushless motor magnetic steel support assembling device. The technical problem to be solved by the utility model is to provide a brushless motor magnetic steel support. According to the technical scheme, the automatic assembling device comprises an assembling main base, a motor positioning base, a crimping air cylinder, a crimping driving assembly and a side driving assembly, the assembling main base comprises a main plate, an upper plate and a bottom plate, and the crimping driving assembly comprises a crimping main plate, a pressing column and a wedge-shaped transmission block; the crimping air cylinder is fixed on the upper plate, the output end of the crimping air cylinder is in butt joint with the pressing column, a pressing column stamping part is arranged at the bottom of the pressing column, and a pressing column inner receding groove and a pressing column side opening are formed in the pressing column stamping part. Compared with the prior art, the side driving assembly is driven to perform synchronous clamping during crimping, so that integrated operation of crimping and clamping of the magnetic steel support is realized, the step of fixing the brushless motor after manual placement is reduced, the tedious steps are reduced, the production efficiency is greatly improved, and the side driving assembly is suitable for mass production and assembly.
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Description

Technical Field

[0001] The utility model relates to an assembly device for a brushless motor magnetic steel bracket. Background Art

[0002] A brushless motor is an electric motor that controls the current through an electronic commutator. It has the advantages of high efficiency, low noise, long life, and maintenance-free. Figure 9 As shown, it includes a magnetic steel bracket 61, a rotor (including magnetic steel), a stator winding, an external terminal seat 62 crimped on the top of the magnetic steel bracket 61, and a motor lower seat 63 fixed under the magnetic steel bracket. The external terminal seat 62 includes a terminal seat cover portion 64 docked with the upper end of the magnetic steel bracket 61 and a terminal seat external portion 65 connected to the outside. During the assembly process, we need to crimp the magnetic steel bracket and the external terminal seat together. The traditional assembly device needs to first place the product to be assembled in a fixed mold for fixation and then use a stamping device for stamping. The following problems are found in the actual assembly process: 1 The operation is relatively cumbersome, with many steps, and the process is complicated and time-consuming, which is not suitable for large-scale production and assembly; 2 It is easy to cause positioning errors, affecting assembly accuracy and consistency, and improvements and optimizations are made for this. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the present invention is to provide a brushless motor magnetic steel bracket.

[0004] The technical solution adopted by the brushless motor magnetic steel bracket assembly device of the present invention is characterized in that it includes an assembly main seat, a motor positioning seat arranged on the assembly main seat, a crimping cylinder, a crimping drive assembly, and side drive assemblies arranged at both ends of the motor positioning seat. The assembly main seat includes a main board, an upper plate and a bottom plate arranged on the main board. The crimping drive assembly includes a crimping main board, a pressure column fixed in the middle of the crimping main board and a wedge-shaped transmission block arranged at both ends of the pressure column. The crimping cylinder is fixed on the upper plate and its output end is connected to the pressure column. The bottom of the pressure column is provided with a pressure column stamping part for crimping the terminal seat cover, and the pressure column stamping part is provided with a pressure column inner clearance groove and a pressure column side opening for crimping the external connection part of the terminal seat.

[0005] The motor positioning seat includes a positioning seat plate fixed on the bottom plate and a motor positioning block fixed on the positioning seat plate, wherein the motor positioning block is provided with a lower mounting positioning groove for mounting and positioning the motor lower seat;

[0006] The side driving assembly includes a transmission block and a side locking guide block fixed on the base plate, and a side locking assembly. The side locking assembly includes a side locking driving block, a roller rotatably arranged on the side locking driving block, and a motor clamping block arranged at the front end of the side locking driving block. The motor clamping block is provided with a bracket side limiting groove for clamping the side of the magnetic steel bracket and a terminal seat side limiting groove for clamping the side of the terminal seat cover. A driving port for the up and down transmission of the wedge-shaped transmission block is formed between the transmission block and the roller.

[0007] The side driving assembly also includes a tension spring limiting column and a tension spring fixed on the base plate. A tension spring hook is provided at the rear end of the side locking driving block. One end of the tension spring is fixed on the tension spring limiting column and the other end is fixed on the tension spring hook.

[0008] The side locking guide block is provided with a first guide opening for guiding the side locking driving block and a second guide opening for guiding the motor clamping block.

[0009] The crimping driving assembly further comprises guide rods arranged above both ends of the crimping main board, and the upper plate is provided with guide rod penetration holes corresponding to the guide rods.

[0010] An external auxiliary fixing block is provided at the front end of the side locking drive block, and the motor positioning block is provided with an auxiliary block directional opening corresponding to the external auxiliary fixing block on one side of the lower mounting positioning groove, and the motor positioning block is provided with an internal auxiliary buffer block corresponding to the external auxiliary fixing block on the other side of the lower mounting positioning groove.

[0011] The outer auxiliary fixing block and the inner auxiliary buffer block are both made of rubber.

[0012] The advantages of the brushless motor magnetic steel bracket assembly device of the present invention are: the side driving component is synchronously clamped while crimping, realizing the integrated operation of crimping and magnetic steel bracket clamping, reducing the steps of fixing the brushless motor after manual placement, reducing tedious steps, greatly improving production efficiency, and being suitable for mass production and assembly; the motor clamping block and the external auxiliary fixing block cooperate with each other to realize the precise clamping and positioning of the magnetic steel bracket and the motor lower seat of the external terminal seat, avoiding positioning errors and improving the accuracy and consistency of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0014] Figure 1 This is a structural diagram of the brushless motor magnetic steel bracket assembly device of the utility model;

[0015] Figure 2 This is a structural diagram of the main seat assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the crimping drive assembly of the utility model;

[0017] Figure 4 It is a structural diagram of the pressure column of the utility model;

[0018] Figure 5 This is a structural diagram of the motor positioning seat of the utility model;

[0019] Figure 6 This is a schematic structural diagram of the side drive assembly of the utility model;

[0020] Figure 7 It is a structural diagram of the side locking assembly of the utility model;

[0021] Figure 8 This is a structural diagram of the side locking guide block of the utility model;

[0022] Figure 9 It is a structural diagram of the brushless motor of the present utility model. DETAILED DESCRIPTION

[0023] like Figure 1-8As shown, the brushless motor magnetic steel bracket assembly device involved in the utility model includes an assembly main seat 1, a motor positioning seat 2 arranged on the assembly main seat 1, a crimping cylinder 3, a crimping drive component 4, and side drive components 5 arranged at both ends of the motor positioning seat 2. The assembly main seat 1 includes a main board 8, an upper plate 9 and a bottom plate 10 arranged on the main board 8. The crimping drive component 4 includes a crimping main board 12, a pressure column 13 fixed to the middle of the crimping main board 12 and a wedge-shaped transmission block 14 arranged at both ends of the pressure column 13. The crimping cylinder 3 is fixed on the upper plate 9 and its output end is docked with the pressure column 13. The bottom of the pressure column 13 is provided with a pressure column stamping part 17 for crimping the terminal seat cover part 64, and the pressure column stamping part 17 is provided with a pressure column inner clearance groove 18 and a pressure column side opening 19 for crimping the terminal seat external connection part 65; the motor positioning seat 2 includes a positioning seat base plate 20 fixed on the base plate 10 and a motor positioning block 21 fixed on the positioning seat base plate 20, and the motor positioning block 21 is provided with a lower installation positioning groove 23 for installing and positioning the motor lower seat 63; the side driving assembly 5 includes a transmission block 25 and a side locking guide block 26 fixed on the base plate 10, a side locking assembly 27, the side locking assembly 27 includes a side locking driving block 30, a roller 31 rotatably arranged on the side locking driving block 30 and a motor clamping block 32 arranged at the front end of the side locking driving block 30, the motor clamping block 32 is provided with a bracket side limiting groove 34 for clamping the side of the magnetic steel bracket 61 and a terminal seat side limiting groove 35 for clamping the side of the terminal seat cover 64, a driving port 36 for the up and down transmission of the wedge-shaped transmission block 14 is formed between the transmission block 25 and the roller 31, and after the motor lower seat 63 of the brushless motor is placed in the lower mounting positioning groove 23, the crimping cylinder 3 is controlled to move. The output end of the crimping cylinder 3 drives the crimping drive assembly 4 to crimp downwards. During the crimping, the wedge-shaped transmission block 14 causes the roller 31 to roll, driving the side locking assembly 27 to synchronously clamp the side of the magnetic steel bracket 61 and the side of the terminal seat cover 64 inward, realizing the integrated operation of crimping and magnetic steel bracket clamping, reducing the steps of fixing the brushless motor after manual placement, reducing tedious steps, greatly improving production efficiency, and being suitable for mass production and assembly; the motor clamping block 32 realizes the precise clamping and positioning of the magnetic steel bracket and the motor lower seat of the external terminal seat, avoiding positioning errors and improving the accuracy and consistency of assembly.

[0024] The side driving assembly 5 also includes a tension spring limiting column 28 and a tension spring 29 fixed on the base plate 10. The rear end of the side locking driving block 30 is provided with a tension spring hook 38. One end of the tension spring 29 is fixed on the tension spring limiting column 28 and the other end is fixed on the tension spring hook 38. The clamping and returning are smoother and faster, without the need for manual opening, further improving the efficiency of assembly.

[0025] The side locking guide block 26 is provided with a first guide opening 40 for guiding the side locking driving block 30 and a second guide opening 41 for guiding the motor clamping block 32 , so that the side locking assembly 27 operates more smoothly and reliably with high precision.

[0026] The crimping drive assembly 4 further includes guide rods 15 provided above both ends of the crimping main board 12 , and the upper plate 9 is provided with guide rod penetration holes 43 corresponding to the guide rods 15 , thereby improving the reliability of the action of the pressure column 13 during crimping.

[0027] An external auxiliary fixing block 46 is provided at the front end of the side locking drive block 30, and the motor positioning block 21 is provided with an auxiliary block directional opening 47 corresponding to the external auxiliary fixing block 46 on one side of the lower mounting positioning groove 23, and the motor positioning block 21 is provided with an internal auxiliary buffer block 45 corresponding to the external auxiliary fixing block 46 on the other side of the lower mounting positioning groove 23. When clamping, the motor lower seat 63 is reinforced at the same time, thereby enhancing stability and safety during the assembly process.

[0028] The outer auxiliary fixing block 46 and the inner auxiliary buffer block 45 are both made of rubber, which effectively reduces external damage to the motor lower seat 63 caused by impact and provides better protection.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention are included in the scope of protection of the present invention.

Claims

1. A brushless motor magnetic steel bracket assembly device, characterized by: It comprises an assembly main seat (1), a motor positioning seat (2) arranged on the assembly main seat (1), a crimping cylinder (3), a crimping drive assembly (4), and side drive assemblies (5) arranged at both ends of the motor positioning seat (2); the assembly main seat (1) comprises a main plate (8), an upper plate (9), and a bottom plate (10) arranged on the main plate (8); the crimping drive assembly (4) comprises a crimping main plate (12), a pressure column (13) fixed in the middle of the crimping main plate (12), and a wedge-shaped transmission block (14) arranged at both ends of the pressure column (13); the crimping cylinder (3) is fixed on the upper plate (9) and its output end is docked with the pressure column (13); the bottom of the pressure column (13) is provided with a pressure column stamping portion (17) for crimping the terminal seat cover portion (64); the pressure column stamping portion (17) is provided with a pressure column inner clearance groove (18) and a pressure column side opening (19) for crimping the terminal seat external connection portion (65); The motor positioning seat (2) comprises a positioning seat plate (20) fixed on the base plate (10) and a motor positioning block (21) fixed on the positioning seat plate (20), wherein a lower mounting positioning groove (23) for mounting and positioning the motor lower seat (63) is provided in the motor positioning block (21); The side driving assembly (5) includes a transmission block (25) fixed on the base plate (10), a side locking guide block (26), and a side locking assembly (27). The side locking assembly (27) includes a side locking driving block (30), a roller (31) rotatably arranged on the side locking driving block (30), and a motor clamping block (32) arranged at the front end of the side locking driving block (30). The motor clamping block (32) is provided with a bracket side limiting groove (34) for clamping the side of the magnetic steel bracket (61) and a terminal seat side limiting groove (35) for clamping the side of the terminal seat cover (64). A driving port (36) for the up and down transmission of the wedge-shaped transmission block (14) is formed between the transmission block (25) and the roller (31).

2. The brushless motor magnetic steel bracket assembly device according to claim 1, characterized in that: The side driving assembly (5) further includes a tension spring limiting column (28) and a tension spring (29) fixed on the base plate (10); a tension spring hook (38) is provided at the rear end of the side locking driving block (30); one end of the tension spring (29) is fixed on the tension spring limiting column (28) and the other end is fixed on the tension spring hook (38).

3. The brushless motor magnetic steel bracket assembly device according to claim 1, characterized in that: The side locking guide block (26) is provided with a first guide opening (40) for guiding the side locking driving block (30) and a second guide opening (41) for guiding the motor clamping block (32).

4. The brushless motor magnetic steel bracket assembly device according to claim 1, characterized in that: The crimping drive assembly (4) further includes guide rods (15) disposed above both ends of the crimping main plate (12), and the upper plate (9) is provided with guide rod penetration holes (43) corresponding to the guide rods (15).

5. The brushless motor magnetic steel bracket assembly device according to claim 1, characterized in that: An outer auxiliary fixing block (46) is provided at the front end of the side locking driving block (30); an auxiliary block orientation opening (47) corresponding to the outer auxiliary fixing block (46) is provided on one side of the lower mounting positioning groove (23) of the motor positioning block (21); and an inner auxiliary buffer block (45) corresponding to the outer auxiliary fixing block (46) is provided on the other side of the lower mounting positioning groove (23) of the motor positioning block (21).

6. The brushless motor magnetic steel bracket assembly device according to claim 5, characterized in that: The outer auxiliary fixing block (46) and the inner auxiliary buffer block (45) are both made of rubber.