Hook tip chamfering device for commutator processing

Abstract

The utility model relates to the technical field of commutator processing, in particular to a hook tip chamfering device for commutator processing, which is characterized in that a commutator to be processed is conveyed through a conveying line and moved to a support table manually or through a mechanical arm, and then a driving motor is started to drive a first gear to rotate; the first gear drives the outer gear ring and the rotating ring to rotate and drives the three inclined push blocks to rotate, so that the three inclined push blocks simultaneously push the three sliding blocks to move inwards so as to clamp the commutator to the center position of the supporting table, a positioning ring is arranged at the center position of the supporting table, and a limiting hole matched with the commutator is formed in the positioning ring. According to the commutator chamfering device, the commutator falls into the limiting hole after the rod positioning ring is rotated to a specified angle through the driver, then the pressing ring is driven to press downwards through the pressing air cylinder above to generate pressing force on the commutator, the multiple pressing blocks conduct chamfering on the hook tip of the commutator, positioning of the commutator is more convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of commutator processing, in particular to a hook tip chamfering device used for commutator processing. Background Art

[0002] The commutator is a key component in a DC motor. It consists of multiple commutator segments, which are insulated with mica sheets and connected to each other by hooks to form a ring structure. Hook tip chamfering refers to the edge trimming process at the tip of the commutator hook structure to form a certain inclined surface instead of a sharp right angle. Chamfering can reduce the wear of the commutator when it contacts the brush, especially for large motors or motors that require frequent forward and reverse rotation. It can significantly extend the service life of the brushes and commutator, because sharp angles can easily aggravate the physical wear of the brushes, while chamfering can make the contact smoother.

[0003] The existing chamfering method requires manual positioning of the commutator and then chamfering using a stamping device, which has low work efficiency. Utility Model Content

[0004] The utility model aims to provide a hook tip chamfering device for commutator processing, which aims to automatically position and chamfer the commutator, thereby improving work efficiency.

[0005] To achieve the above-mentioned purpose, the hook tip chamfering device for commutator processing adopted by the utility model includes a supporting assembly, a positioning assembly and a chamfering assembly, the supporting assembly includes a base, a supporting frame, a conveyor line and a supporting table, the supporting frame is fixedly connected to the base and is located on the top of the base, the supporting table is arranged on the supporting frame, and the conveyor line is arranged on one side of the supporting frame; the positioning assembly includes three sliding blocks, a rotating ring, three inclined push blocks, an outer gear ring, a first gear, a driving motor, a positioning ring and a driver, the three sliding blocks are slidably connected to the supporting table and are located on the supporting table, the rotating ring is rotatably connected to the supporting table, the three sliding blocks are located in the rotating ring, and the three The oblique push block is fixedly connected to the rotating ring and is respectively located on one side of the three sliding blocks, the outer gear ring is fixedly connected to the rotating ring, the first gear is meshed with the outer gear ring, the driving motor is fixedly connected to the first gear, the positioning ring is rotatably arranged at the center of the support platform, and the driver is used to drive the positioning ring to rotate; the chamfering assembly includes a connecting rod, a base plate, a plurality of pressure blocks, a pressure ring and a downward pressure cylinder, the connecting rod is fixedly connected to the positioning ring and is located at the bottom of the positioning ring, the base plate is fixed to the bottom of the connecting rod, a plurality of pressure blocks are fixed to the base plate, the pressure ring is slidably arranged on the top of the pressure block, and the output end of the downward pressure cylinder is connected to the pressure ring.

[0006] Wherein, the support assembly further includes a rotating motor, a supporting disk and a manipulator, the rotating motor is arranged on one side of the supporting platform, the supporting disk is fixed on the output end of the rotating motor, and the manipulator is connected to the supporting disk.

[0007] Wherein, the positioning assembly further includes three return springs, and the return springs are arranged between the sliding block and the supporting platform.

[0008] Wherein, the positioning assembly also includes a limit block, which is fixedly connected to the support platform and is located on one side of the oblique push block.

[0009] Wherein, the driver includes a second motor, a second gear ring and a second gear, the second gear ring is fixed at the bottom of the positioning ring, the second gear is meshed with the second gear ring, and the output end of the second motor is connected to the second gear.

[0010] Wherein, the chamfering assembly further comprises a support plate and a push-out cylinder, the support plate is slidably arranged at the center of the base plate, and the output end of the push-out cylinder is fixedly connected to the support plate.

[0011] The hook tip chamfering device for commutator processing of the utility model can provide stable support for the support frame through the base, convey the commutator to be processed through the conveyor line and move it to the support platform manually or by a mechanical arm, and then start the driving motor to drive the first gear to rotate, and the first gear drives the outer gear ring and the rotating ring to rotate, which can drive the three oblique push blocks to rotate, so that the three oblique push blocks can simultaneously push the three sliding blocks to move inward to clamp the commutator to the center position of the support platform, a positioning ring is arranged at the center position of the support platform, and a limiting hole matching the commutator is opened on the positioning ring, so that after the positioning ring is positioned to a specified angle by the driver rotating rod, the commutator can fall into the limiting hole, and then the pressing ring is driven to press down by the upper downward pressure cylinder to generate downward pressure on the commutator, so that multiple pressing blocks chamfer the hook tip of the commutator, and the connecting rod is used to ensure that the positions of the pressing blocks and the limiting holes correspond, thereby making the positioning of the commutator more convenient and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is the right side structural diagram of the utility model.

[0015] Figure 3 It is a cross-sectional structural diagram of the utility model.

[0016] Figure 4 It is the second structural diagram of the utility model.

[0017] Support assembly 101, positioning assembly 102, chamfering assembly 103, base 104, support frame 105, conveyor line 106, support table 107, sliding block 108, rotating ring 109, oblique push block 110, outer gear ring 111, first gear 112, drive motor 113, positioning ring 114, driver 115, connecting rod 116, bottom plate 117, pressure block 118, pressure ring 119, downward pressure cylinder 120, rotating motor 121, support plate 122, manipulator 123, return spring 124, limit block 125, support plate 128, push-out cylinder 129, second motor 130, second gear ring 131, second gear 132. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] See also Figure 1 ˉ Figure 4The utility model provides a hook tip chamfering device for commutator processing, including a supporting assembly 101, a positioning assembly 102 and a chamfering assembly 103, wherein the supporting assembly 101 includes a base 104, a supporting frame 105, a conveying line 106 and a supporting platform 107, wherein the supporting frame 105 is fixedly connected to the base 104 and is located on the top of the base 104, the supporting platform 107 is arranged on the supporting frame 105, and the conveying line 106 is arranged on one side of the supporting frame 105; the positioning assembly 102 includes three sliding blocks 108, a rotating ring 109, three inclined push blocks 110, an outer gear ring 111, a first gear 112, a driving motor 113, a positioning ring 114 and a driver 115, wherein the three sliding blocks 108 are slidably connected to the supporting platform 107 and are located on the supporting platform 107, the rotating ring 109 is rotatably connected to the supporting platform 107, the three sliding blocks 108 are located in the rotating ring 109, and the three The oblique push block 110 is fixedly connected to the rotating ring 109 and is respectively located on one side of the three sliding blocks 108. The outer gear ring 111 is fixedly connected to the rotating ring 109. The first gear 112 is meshed with the outer gear ring 111. The driving motor 113 is fixedly connected to the first gear 112. The positioning ring 114 is rotatably set at the center of the support platform 107. The driver 115 is used to drive the positioning ring 114 to rotate; the chamfering assembly 103 includes a connecting rod 116, a base plate 117, a plurality of pressure blocks 118, a pressure ring 119 and a downward pressure cylinder 120. The connecting rod 116 is fixedly connected to the positioning ring 114 and is located at the bottom of the positioning ring 114. The base plate 117 is fixed to the bottom of the connecting rod 116. The plurality of pressure blocks 118 are fixed on the base plate 117. The pressure ring 119 is slidably set on the top of the pressure block 118. The output end of the downward pressure cylinder 120 is connected to the pressure ring 119.

[0020] In this embodiment, the base 104 can provide stable support for the support frame 105, and the commutator to be processed is transported by the conveyor line 106 and moved to the support table 107 manually or by a robotic arm, and then the drive motor 113 is started to drive the first gear 112 to rotate, and the first gear 112 drives the outer gear ring 111 and the rotating ring 109 to rotate, which can drive the three oblique push blocks 110 to rotate, so that the three oblique push blocks 110 can simultaneously push the three sliding blocks 108 to move inward to clamp the commutator to the support table 1 07 center position, a positioning ring 114 is arranged at the center position of the support platform 107, and a limiting hole matching the commutator is opened on the positioning ring 114, so that after the positioning ring 114 is rotated to a specified angle by the driver 115, the commutator can fall into the limiting hole, and then the pressing ring 119 is driven by the downward pressure cylinder 120 above to press down on the commutator to generate downward pressure, so that multiple pressure blocks 118 chamfer the hook tip of the commutator, and the connecting rod 116 is used to ensure that the position of the pressure block 118 and the limiting hole corresponds, thereby making the positioning of the commutator more convenient and improving work efficiency.

[0021] The support assembly 101 further includes a rotating motor 121, a supporting disc 122 and a manipulator 123. The rotating motor 121 is arranged on one side of the supporting platform 107. The supporting disc 122 is fixed on the output end of the rotating motor 121. The manipulator 123 is connected to the supporting disc 122. The manipulator 123 is arranged on the supporting disc 122, so that after the manipulator 123 grabs the commutator, the supporting disc 122 is driven to rotate by the rotating motor 121 to place the commutator on the supporting platform 107, so that the processing is more convenient.

[0022] The positioning assembly 102 further includes three return springs 124, which are arranged between the sliding block 108 and the support platform 107. The return springs 124 can drive the sliding block 108 to return after the inclined push block 110 returns to its original position, so as to facilitate the next processing.

[0023] The positioning assembly 102 further includes a limit block 125, which is fixedly connected to the support platform 107 and is located on one side of the oblique push block 110. The limit block 125 is used to limit the initial position of the oblique push block 110, so that the reset is more accurate.

[0024] The driver 115 includes a second motor 130, a second gear ring 131 and a second gear 132. The second gear ring 131 is fixed to the bottom of the positioning ring 114. The second gear 132 is meshed with the second gear ring 131. The output end of the second motor 130 is connected to the second gear 132. Starting the second motor 130 can drive the second gear 132 to rotate, thereby driving the second gear ring 131 and the positioning ring 114 to rotate to adjust the position.

[0025] The chamfering assembly 103 further includes a support plate 128 and a push-out cylinder 129. The support plate 128 is slidably disposed at the center of the bottom plate 117, and the output end of the push-out cylinder 129 is fixedly connected to the support plate 128. After the hook tip chamfering is completed, the push-out cylinder 129 can be activated to drive the support plate 128 to move upward, thereby pushing out the commutator.

[0026] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A hook tip chamfering device for commutator processing, characterized in that: It includes a supporting assembly, a positioning assembly and a chamfering assembly, wherein the supporting assembly includes a base, a supporting frame, a conveying line and a supporting platform, wherein the supporting frame is fixedly connected to the base and is located on the top of the base, the supporting platform is arranged on the supporting frame, and the conveying line is arranged on one side of the supporting frame; the positioning assembly includes three sliding blocks, a rotating ring, three oblique push blocks, an outer gear ring, a first gear, a driving motor, a positioning ring and a driver, the three sliding blocks are slidably connected to the supporting platform and are located on the supporting platform, the rotating ring is rotatably connected to the supporting platform, the three sliding blocks are located in the rotating ring, and the three oblique push blocks are fixedly connected to the rotating ring. And are respectively located on one side of the three sliding blocks, the outer gear ring is fixedly connected to the rotating ring, the first gear is meshed with the outer gear ring, the driving motor is fixedly connected to the first gear, the positioning ring is rotatably set at the center of the support platform, and the driver is used to drive the positioning ring to rotate; the chamfering assembly includes a connecting rod, a base plate, a plurality of pressure blocks, a pressure ring and a downward pressure cylinder, the connecting rod is fixedly connected to the positioning ring and is located at the bottom of the positioning ring, the base plate is fixed to the bottom of the connecting rod, and a plurality of pressure blocks are fixed to the base plate, the pressure ring is slidably set on the top of the pressure block, and the output end of the downward pressure cylinder is connected to the pressure ring.

2. The hook tip chamfering device for commutator processing according to claim 1, characterized in that: The support assembly further comprises a rotating motor, a supporting plate and a manipulator, wherein the rotating motor is arranged on one side of the supporting platform, the supporting plate is fixed on the output end of the rotating motor, and the manipulator is connected to the supporting plate.

3. The hook tip chamfering device for commutator processing according to claim 2, characterized in that: The positioning assembly also includes three return springs, and the return springs are arranged between the sliding block and the supporting platform.

4. The hook tip chamfering device for commutator processing according to claim 3, characterized in that: The positioning assembly also includes a limit block, which is fixedly connected to the support platform and is located on one side of the oblique push block.

5. The hook tip chamfering device for commutator processing according to claim 4, characterized in that: The driver comprises a second motor, a second gear ring and a second gear, wherein the second gear ring is fixed at the bottom of the positioning ring, the second gear is meshed with the second gear ring, and the output end of the second motor is connected with the second gear.

6. The hook tip chamfering device for commutator processing according to claim 5, characterized in that: The chamfering assembly also includes a support plate and a push-out cylinder. The support plate is slidably arranged at the center of the bottom plate, and the output end of the push-out cylinder is fixedly connected to the support plate.

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