Positioning tool for assembling brushless motor framework

Abstract

The utility model relates to the technical field of motor production, in particular to a positioning tool for assembling a brushless motor framework. The device is reasonable in structural design and mainly comprises a lifting and rotating driving assembly and a positioning and clamping assembly arranged at the upper end of the lifting and rotating driving assembly; the positioning clamping assembly drives a first rotating ring to rotate through a first rotating bearing, then drives an inner clamping jaw to conduct radial displacement along a radial sliding groove where the inner clamping jaw is located, drives a second rotating ring to rotate through a second rotating bearing, and then drives an outer clamping jaw to conduct radial displacement along a radial sliding groove where the outer clamping jaw is located. In this way, the inner edge and the outer edge of the brushless motor framework are clamped at the same time, and the clamping requirements of brushless motor frameworks of different specifications are met; after clamping the brushless motor framework, the positioning and clamping assembly can be driven by the lifting and rotating driving assembly to perform axial lifting action and axial rotating action, so that the pin inserting tool can perform continuous interval pin inserting operation and pin inserting operation at different depths.

Description

Technical Field

[0001] The utility model relates to the technical field of motor production, in particular to a positioning tool for assembling a brushless motor skeleton. Background Art

[0002] Positioning jigs play a vital role in pin assembly on large-scale brushless motor frames, specifically in the following aspects: 1) Precise alignment and fixation: During pin assembly on large-scale brushless motor frames, the positioning jig ensures that the pins are precisely aligned with the predetermined positions on the motor frame. The positioning jig's design allows for precise alignment of the pins with the motor frame sockets, eliminating alignment errors caused by manual operation. The positioning jig not only ensures precise alignment but also provides stable support during pin assembly, helping to reduce wobble and displacement during assembly, thereby improving assembly accuracy and reliability. 2) Protecting components from damage: During pin assembly, the positioning jig effectively protects components such as the large-scale brushless motor frame and pins. Through its rational structural design and material selection, the positioning jig reduces friction and collision during assembly, lowering the risk of component damage. This is crucial for protecting the precision components of brushless motors and improving overall product quality. 3) Improving assembly efficiency and quality: The positioning jig simplifies the pin assembly process, reducing the number of steps and manual intervention. This makes the assembly process faster and more precise, helping to improve overall production efficiency. The use of positioning fixtures can reduce assembly errors caused by human factors and improve assembly accuracy and consistency. This helps to improve the overall performance and reliability of brushless motors, thereby enhancing the market competitiveness of products.

[0003] Traditional positioning fixtures used for brushless motor frame assembly have shortcomings. After positioning and clamping a large brushless motor frame, they cannot drive the large brushless motor frame for circumferential rotation as required, hindering the pin insertion tool's continuous and intermittent pin insertion operations. They also cannot drive the large brushless motor frame for axial displacement as required, hindering the pin insertion tool's ability to insert pins at different depths. Therefore, optimization and improvement are needed. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned problems existing in the traditional technology and provide a positioning tool for assembling a brushless motor frame.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A positioning fixture for assembling a brushless motor frame comprises a lifting and rotating drive assembly and a positioning clamping assembly provided at an upper end thereof; after clamping the brushless motor frame, the positioning clamping assembly can perform axial lifting and axial rotation movements driven by the lifting and rotating drive assembly;

[0007] The positioning and clamping assembly includes a cylindrical shell, a panel is fixed at the opening of the cylindrical shell, and the panel is provided with a plurality of radial sliding grooves along the circumference. A first swivel ring and a second swivel ring located at the periphery thereof are installed inside the cylindrical shell, and a first swivel bearing for driving the first swivel ring to rotate and a second swivel bearing for driving the second swivel ring to rotate are installed on the inner side of the bottom plate of the cylindrical shell. The upper side of the first swivel ring is provided with a plurality of first arc grooves along the circumference, and the first arc grooves and the corresponding radial sliding grooves jointly restrict inner clamping jaws, and the upper side of the second swivel ring is provided with a plurality of second arc grooves along the circumference, and the second arc grooves and the corresponding radial sliding grooves jointly restrict outer clamping jaws.

[0008] Furthermore, in the above-mentioned positioning tooling for assembling the brushless motor frame, the lifting and rotating drive assembly includes a frame, a lifting push rod, a flip motor, a rotary joint, a support shaft, a support plate and a belt transmission member. The lifting push rod and the flip motor are installed on the frame, and the movable end of the lifting push rod is connected to the bottom end of the support shaft via a rotary joint. The top end of the support shaft is installed with a support plate for supporting the cylindrical shell, and the output end of the flip motor is connected to the support shaft through a belt transmission member.

[0009] Furthermore, in the above-mentioned positioning tooling for assembling the brushless motor frame, the cross-section of the support shaft is hexagonal, the belt transmission component is composed of a driving wheel, a driven wheel and a synchronous belt, the driving wheel is installed at the output end of the flip motor, the driven wheel is movably supported by the frame, and a hexagonal through-hole is provided in the driven wheel to cooperate with the support shaft, and the synchronous belt is sleeved on the outside of the driving wheel and the driven wheel.

[0010] Furthermore, in the positioning tool for assembling the brushless motor frame, the outer peripheries of the driving wheel and the driven wheel are provided with anti-skid tooth grooves, and the inner side of the belt body of the synchronous belt is provided with anti-skid protruding teeth that engage with the anti-skid tooth grooves.

[0011] Furthermore, in the positioning tool for assembling the brushless motor frame, the number of the radial sliding grooves, the first arc-shaped grooves and the second arc-shaped grooves is equal.

[0012] Furthermore, in the above-mentioned positioning tooling for assembling the brushless motor frame, the outer side of the inner clamping jaw is provided with a first arc-shaped contact surface for facilitating contact with the inner hole wall of the brushless motor frame, and the inner side of the outer clamping jaw is provided with a second arc-shaped contact surface for facilitating contact with the outer arc wall of the brushless motor frame.

[0013] The beneficial effects of the utility model are:

[0014] The utility model has a reasonable structural design, which is mainly composed of a lifting and rotating drive component and a positioning clamping component arranged at the upper end thereof; the positioning clamping component uses the first rotary bearing to drive the first rotating ring to rotate, and then drives the inner clamping claw to radially displace along the radial slide groove where it is located, and the positioning clamping component uses the second rotary bearing to drive the second rotating ring to rotate, and then drives the outer clamping claw to radially displace along the radial slide groove where it is located, in this way, the inner edge and the outer edge of the brushless motor frame are clamped at the same time, meeting the clamping requirements of brushless motor frames of different specifications; after clamping the brushless motor frame, the positioning clamping component can perform axial lifting and axial rotation movements driven by the lifting and rotating drive component, which is beneficial for the pin insertion tool to perform continuous interval pin insertion operations and pin insertion operations of different depths.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic structural diagram of the utility model as a whole;

[0018] Figure 2 This is a schematic structural diagram of the brushless motor skeleton in the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the lifting and rotating drive assembly in the utility model;

[0020] Figure 4 It is a cross-sectional schematic diagram of the support shaft in the present utility model;

[0021] Figure 5 This is a schematic diagram of the positioning and clamping assembly in the present utility model in use;

[0022] Figure 6 This is a schematic diagram of the top view of the positioning and clamping assembly in the utility model;

[0023] Figure 7 This is a schematic structural diagram of the first rotating ring and the second rotating ring in the utility model;

[0024] Figure 8 It is a schematic diagram of the position of the first slewing bearing and the second slewing bearing in the utility model;

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1-lifting and rotating drive assembly, 101-frame, 102-lifting push rod, 103-flipping motor, 104-rotating joint, 105-support shaft, 106-support plate, 107-belt transmission part, 2-positioning and clamping assembly, 201-cylindrical shell, 202-panel, 203-first swivel, 204-second swivel, 205-first arc groove, 206-second arc groove, 207-radial slide, 208-inner clamp, 209-outer clamp, 210-first slewing bearing, 211-second slewing bearing, 3-brushless motor frame. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1-8 As shown, this embodiment provides a positioning tool for assembling a brushless motor frame, including a lifting and rotating drive component 1 and a positioning clamping component 2 arranged at its upper end; after clamping the brushless motor frame 3, the positioning clamping component 2 can perform axial lifting and axial rotation movements under the drive of the lifting and rotating drive component 1.

[0029] In this embodiment, the lifting and rotating drive assembly 1 includes a frame 101, a lifting push rod 102, a flip motor 103, a rotary joint 104, a support shaft 105, a support plate 106, and a belt transmission member 107. The lifting push rod 102 and the flip motor 103 are mounted on the frame 101. The movable end of the lifting push rod 102 is connected to the bottom end of the support shaft 105 via the rotary joint 104. The top end of the support shaft 105 is mounted with the support plate 106 for supporting the cylindrical housing 201 in the positioning and clamping assembly 2. The output end of the flip motor 103 is connected to the support shaft 105 via the belt transmission member 107.

[0030] In this embodiment, the cross-section of the support shaft 105 is hexagonal, and the belt transmission member 107 consists of a driving wheel, a driven wheel and a synchronous belt. The driving wheel is installed at the output end of the flip motor, and the driven wheel is provided with movable support by the frame. The driven wheel is provided with a hexagonal through-hole that cooperates with the support shaft, and the synchronous belt is sleeved on the outside of the driving wheel and the driven wheel.

[0031] In this embodiment, anti-skid tooth grooves are provided on the outer peripheries of the driving wheel and the driven wheel, and anti-skid protruding teeth that mesh with the anti-skid tooth grooves are distributed on the inner side of the belt body of the synchronous belt.

[0032] In this embodiment, the positioning and clamping assembly 2 includes a cylindrical housing 201. A panel 202 is fixed to the opening of the cylindrical housing 201. The panel 202 is circumferentially defined with multiple radial grooves 207. A first rotating ring 203 and a second rotating ring 204 are mounted within the cylindrical housing 201. A first slewing bearing 210 for rotating the first rotating ring 203 and a second slewing bearing 211 for rotating the second rotating ring 204 are mounted on the inner side of the bottom plate of the cylindrical housing 201. The upper side of the first rotating ring 203 is circumferentially defined with multiple first arcuate grooves 205. The first arcuate grooves 205 and the corresponding radial grooves 207 together constrain inner clamping jaws 208. The upper side of the second rotating ring 204 is circumferentially defined with multiple second arcuate grooves 206. The second arcuate grooves 206 and the corresponding radial grooves 207 together constrain outer clamping jaws 209.

[0033] In this embodiment, the number of the radial sliding grooves 207 , the first arc-shaped grooves 205 and the second arc-shaped grooves 206 are equal.

[0034] In this embodiment, the outer side of the inner jaw 208 is provided with a first arcuate contact surface that facilitates contact with the inner hole wall of the brushless motor frame 3. The inner side of the outer jaw 209 is provided with a second arcuate contact surface that facilitates contact with the outer arc wall of the brushless motor frame 3. Part of the inner jaw 208 is restrained in radial groove 207, while the inner end of the inner jaw 208 is restrained in first arcuate groove 205. Part of the outer jaw 209 is restrained in radial groove 207, while the inner end of the outer jaw 209 is restrained in second arcuate groove 206.

[0035] A specific application of this embodiment is: this tooling mainly consists of a lifting and rotating drive component 1 and a positioning and clamping component 2 provided at the upper end thereof; the positioning and clamping component 2 uses the first rotary bearing 210 to drive the first rotating ring 203 to rotate, thereby driving the inner clamping claw 208 to radially displace along the radial slide groove 207 where it is located, and the positioning and clamping component 2 uses the second rotary bearing 211 to drive the second rotating ring 204 to rotate, thereby driving the outer clamping claw 209 to radially displace along the radial slide groove 207 where it is located, in this way, the inner and outer edges of the brushless motor frame 3 are clamped at the same time to meet the clamping requirements of brushless motor frames 3 of different specifications; after clamping the brushless motor frame 3, the positioning and clamping component 2 can perform axial lifting and axial rotation movements under the drive of the lifting and rotating drive component 1, which is beneficial for the pin insertion tooling to perform continuous interval pin insertion operations and pin insertion operations of different depths.

[0036] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning tool for assembling a brushless motor frame, characterized in that: It includes a lifting and rotating drive assembly and a positioning and clamping assembly provided at the upper end thereof; after clamping the brushless motor frame, the positioning and clamping assembly can perform axial lifting and axial rotation movements driven by the lifting and rotating drive assembly; The positioning and clamping assembly includes a cylindrical shell, a panel is fixed at the opening of the cylindrical shell, and the panel is provided with a plurality of radial sliding grooves along the circumference. A first swivel ring and a second swivel ring located at the periphery thereof are installed inside the cylindrical shell, and a first swivel bearing for driving the first swivel ring to rotate and a second swivel bearing for driving the second swivel ring to rotate are installed on the inner side of the bottom plate of the cylindrical shell. The upper side of the first swivel ring is provided with a plurality of first arc grooves along the circumference, and the first arc grooves and the corresponding radial sliding grooves jointly restrict inner clamping jaws, and the upper side of the second swivel ring is provided with a plurality of second arc grooves along the circumference, and the second arc grooves and the corresponding radial sliding grooves jointly restrict outer clamping jaws.

2. The positioning tool for assembling a brushless motor frame according to claim 1, characterized in that: The lifting and rotating drive assembly includes a frame, a lifting push rod, a flip motor, a rotary joint, a support shaft, a support plate and a belt transmission member. The lifting push rod and the flip motor are installed on the frame. The movable end of the lifting push rod is connected to the bottom end of the support shaft via a rotary joint. The top end of the support shaft is installed with a support plate for supporting a cylindrical shell. The output end of the flip motor is connected to the support shaft through a belt transmission member.

3. The positioning tool for assembling a brushless motor frame according to claim 2, characterized in that: The cross-section of the support shaft is hexagonal, and the belt transmission component consists of a driving wheel, a driven wheel and a synchronous belt. The driving wheel is installed at the output end of the flip motor, and the driven wheel is movably supported by the frame. A hexagonal through-hole that cooperates with the support shaft is opened in the driven wheel, and the synchronous belt is sleeved on the outside of the driving wheel and the driven wheel.

4. The positioning tool for assembling a brushless motor frame according to claim 3, characterized in that: The outer peripheries of the driving wheel and the driven wheel are provided with anti-skid tooth grooves, and the inner side of the belt body of the synchronous belt is provided with anti-skid convex teeth engaged with the anti-skid tooth grooves.

5. The positioning tool for assembling a brushless motor frame according to claim 1, characterized in that: The number of the radial sliding grooves, the first arc-shaped grooves and the second arc-shaped grooves is equal.

6. The positioning tool for assembling a brushless motor frame according to claim 1, characterized in that: The outer side of the inner clamping jaw is provided with a first arcuate contact surface for contacting the inner hole wall of the brushless motor frame, and the inner side of the outer clamping jaw is provided with a second arcuate contact surface for contacting the outer arc wall of the brushless motor frame.

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