Cutting mechanism for coreless winding coil

Abstract

The utility model discloses a cutting mechanism for a hollow cup winding coil, which comprises a support frame, a connecting block, a cutting cylinder, a fixed sleeve, a sliding sleeve and a cutting column, and the connecting block is vertically and slidably arranged on the support frame; the cutting air cylinder is fixedly installed at the upper end of the supporting frame, and the output end of the cutting air cylinder is fixedly connected with the connecting block. The fixing sleeve is fixedly connected to the lower end of the connecting block and internally provided with a containing cavity and a through hole penetrating through the lower portion of the fixing sleeve. The sliding sleeve is arranged in the containing cavity in a sliding mode, the lower end part of the sliding sleeve extends out of the fixing sleeve, an elastic piece is arranged between the sliding sleeve and the lower end face of the containing cavity of the fixing sleeve in an abutting mode, and the sliding sleeve has the trend of moving upwards under the action of the elastic piece; the cutting column is fixedly connected to the connecting block or the fixing sleeve, the center of the sliding sleeve is provided with a center channel matched with the cutting column in a guiding mode, the cutting column cuts the pins of the winding coil on the cutting air cylinder, the sliding sleeve is used for protecting and guiding the cutting column, and therefore the protection effect can be effectively achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of cutting mechanisms, and in particular to a cutting mechanism for hollow cup winding coils. Background Technology

[0002] The rotor of a hollow cup motor includes a commutator assembly and winding coils. The commutator assembly includes a motor shaft and a commutator. The commutator is fixedly mounted on the outer periphery of the motor shaft, and multiple sets of circumferentially distributed commutator segments are arranged on the end face of the commutator. The outer ring of the winding coil is sleeved on the outer periphery of the commutator, and the leads of the winding coil are correspondingly soldered to the commutator segments. Existing winding coil leads are generally quite long, causing interference between the winding coil leads and the motor shaft of the commutator assembly. This prevents the winding coil from being assembled onto the outer periphery of the commutator assembly, thus requiring the winding coil leads to be cut. Due to the small size of the winding coil, the cutting post of the cutting mechanism is made relatively thin. Therefore, ensuring that the thin cutting post does not bend during the cutting process is a technical problem that needs to be solved. Summary of the Invention

[0003] The purpose of this invention is to provide a cutting mechanism for hollow cup winding coils. The cutting column cuts the leads of the winding coil under the action of the cutting cylinder. The sliding sleeve is used to protect and guide the cutting column, thereby effectively protecting it and preventing the cutting column from bending during the cutting process.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a cutting mechanism for hollow cup winding coils, comprising...

[0005] support frame

[0006] A connecting block is vertically and slidably mounted on the support frame;

[0007] A cutting cylinder is fixedly installed on the upper end of the support frame, and the output end of the cutting cylinder is fixedly connected to the connecting block.

[0008] A fixing sleeve is fixedly connected to the lower end of the connecting block. The fixing sleeve has a cavity and a through hole that penetrates the lower part of the fixing sleeve.

[0009] The sliding sleeve is slidably disposed in the cavity, with the lower end of the sliding sleeve extending out of the fixed sleeve. An elastic element is provided between the lower end face of the cavity of the sliding sleeve and the fixed sleeve, and the sliding sleeve has an upward tendency under the action of the elastic element.

[0010] The cutting column is fixedly connected to the connecting block or the fixing sleeve, and the center of the sliding sleeve is provided with a central channel that cooperates with the guide of the cutting column.

[0011] Further, the cutting mechanism further comprises a positioning column for positioning the winding coil, and the positioning column is provided with a cutting channel with an open upper end, and the aperture of the cutting channel is matched with the outer diameter of the cutting column.

[0012] Further, the upper end surface of the positioning column is provided with a plurality of circumferentially distributed grooves, and the inner side of the grooves is in communication with the cutting channel, and the number of the grooves is matched with the number of the pins of the winding coil.

[0013] Further, the lower end of the support frame is provided with a limiting block, and the connecting block is limited to move downward in stroke by limiting cooperation with the limiting block.

[0014] Further, the lower end of the connecting block is provided with a T-shaped slot with a wide upper end and a narrow lower end, the T-shaped slot is provided with a mounting block, the cutting column is fixedly connected to the mounting block, and the upper end of the fixing sleeve is provided with an opening for the cutting column to extend into.

[0015] Further, the upper end of the fixing sleeve is provided with a connecting ring, and the connecting ring is fixedly installed at the lower end of the connecting block through a fastener.

[0016] Further, the support frame is provided with a vertically arranged sliding rail, and the connecting block is slidably arranged on the sliding rail through a sliding block.

[0017] In summary, the utility model has the following beneficial effects:

[0018] The cutting mechanism of the utility model, the cutting column cuts the pins of the winding coil under the action of the cutting cylinder, the sliding sleeve is used for protecting and guiding the cutting column, thereby effectively playing a protection role, and the bending of the cutting column in the cutting process is avoided, specifically, the lower end surface of the sliding sleeve will first contact the upper end surface of the positioning column in the cutting process, and the sliding sleeve will gradually retract into the cavity of the fixing sleeve under the pressure of the positioning column in the process of continuous pressing, at this time, the cutting column will extend out of the sliding sleeve and cut the pins of the winding coil. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model.

[0020] Figure 2 It is the sectional view of the utility model.

[0021] Figure 3 It is the schematic view of the positioning column of the utility model.

[0022] Figure 4 It is the structure schematic view of the positioning column and the rotating disc of the utility model.

[0023] In the figure: 10, support frame; 11, limiting block; 12, sliding rail; 20, connecting block; 30, cutting cylinder; 40, fixed sleeve; 41, connecting ring; 50, sliding sleeve; 51, central passage; 60, elastic piece; 70, cutting column; 80, positioning column; 81, cutting passage; 82, groove; 90, mounting block; 100, rotating disc. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings below.

[0025] As Figures 1-4 shown, a kind of cutting mechanism for hollow cup winding coil, including support frame 10, connecting block 20, cutting cylinder 30, fixed sleeve 40, sliding sleeve 50, elastic piece 60 and cutting column 70, above constitute the basic structure of the utility model.

[0026] The connecting block 20 is vertically slidably arranged in support frame 10;Cutting cylinder 30 is fixedly installed on the upper end of support frame 10, and the output end of cutting cylinder 30 is fixedly connected with the connecting block 20;Fixed sleeve 40 is fixedly connected to the lower end of connecting block 20, and a cavity and a through hole penetrating through the lower part of fixed sleeve 40 are provided in fixed sleeve 40, the through hole is communicated with the cavity;Sliding sleeve 50 is slidably arranged in the cavity, and the lower end of sliding sleeve 50 extends out of fixed sleeve 40, and elastic piece 60 is arranged between the lower end surface of the cavity of fixed sleeve 40 and sliding sleeve 50, sliding sleeve 50 has a tendency to move upward under the action of elastic piece 60;Cutting column 70 is fixedly connected to connecting block 20 or fixed sleeve 40, and the center of sliding sleeve 50 is provided with central passage 51 which is guided with cutting column 70.

[0027] The cutting mechanism further includes positioning column 80 for positioning winding coil, and the positioning column 80 is provided with a plurality of groups and is circumferentially distributed on rotating disc 100, when processing, the winding coil is placed on the outer periphery of the winding coil, the positioning column 80 is provided with cutting passage 81 with open upper end, the aperture of cutting passage 81 is matched with the outer diameter of cutting column 70, and when cutting, cutting column 70 extends into cutting passage 81 and cuts off the pin located in the area of cutting passage 81.

[0028] The upper end surface of the positioning column 80 is provided with a plurality of circumferentially distributed grooves 82, the inner side of the groove 82 is communicated with the cutting passage 81, the number of most grooves 82 is matched with the number of pins of winding coil, the pins of winding coil are corrected by pin position adjusting mechanism before cutting, so that the pin angle is set, and the pin is pressed into groove 82 by pressing mechanism.

[0029] The lower end of the support frame 10 is provided with limiting block 11, and the lower moving stroke of connecting block 20 and cutting column 70 is limited by limiting block 11 and limiting block 11 limiting cooperation through connecting block 20.

[0030] The lower end of the connecting block 20 is provided with a T-shaped slot which is wide at the top and narrow at the bottom, the mounting block 90 is installed in the T-shaped slot, the cutting column 70 is fixedly connected to the mounting block 90, and the upper end of the fixing sleeve 40 is provided with an opening for the cutting column 70 to extend into.

[0031] The upper end of the fixing sleeve 40 is provided with a connecting ring 41, the connecting ring 41 is fixedly installed at the lower end of the connecting block 20 through fasteners, the lower end of the connecting block 20 is provided with a first assembly hole, the outer periphery of the connecting ring 41 is provided with a second assembly hole matched with the first assembly hole, and the fasteners extend into the first assembly hole and the second assembly hole to fixedly connect the fixing sleeve 40 and the connecting block 20.

[0032] The support frame 10 is provided with a vertical sliding rail 12, the connecting block 20 is slidably arranged on the sliding rail 12 through a sliding block, and the vertical reciprocating movement of the cutting column 70 is smoother and more stable during cutting through the arrangement of the sliding rail 12 and the sliding block.

[0033] In summary, the utility model has the following beneficial effects:

[0034] The cutting mechanism of the utility model, the cutting column 70 cuts the lead of the winding coil under the action of the cutting cylinder 30, the sliding sleeve 50 is used for protecting and guiding the cutting column 70, so that the protection effect can be effectively achieved, and the cutting column 70 is prevented from being bent during the cutting process, specifically, the lower end surface of the sliding sleeve 50 will first contact the upper end surface of the positioning column 80 during the cutting process, and the sliding sleeve 50 will gradually retract into the cavity of the fixing sleeve 40 after being pressed by the positioning column 80 during the continuous pressing process, at this time, the cutting column 70 will extend out of the sliding sleeve 50 and cut the lead of the winding coil.

[0035] The above is only a preferred embodiment of the utility model, so equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application range are included in the utility model patent application range.

Claims

1. A cutting mechanism for a hollow cup winding coil, characterized by: The utility model relates to a cutting mechanism of winding coil, including Support frame (10), Connecting block (20), connecting block (20) is vertically slidably arranged in support frame (10); Cutting cylinder (30), cutting cylinder (30) is fixedly installed on the upper end of support frame (10), and the output end of cutting cylinder (30) is fixedly connected with connecting block (20); Fixed sleeve (40), fixed sleeve (40) is fixedly connected to the lower end of connecting block (20), and the fixed sleeve (40) is provided with a cavity and a through hole penetrating through the lower part of fixed sleeve (40); Sliding sleeve (50), sliding sleeve (50) is slidably arranged in the cavity, and the lower end of sliding sleeve (50) is partially extended from fixed sleeve (40), and the lower end surface between sliding sleeve (50) and fixed sleeve (40) is provided with elastic element (60), and sliding sleeve (50) has the tendency of moving upward under the action of elastic element (60); Cutting column (70), cutting column (70) is fixedly connected to connecting block (20) or fixed sleeve (40), and the center of sliding sleeve (50) is provided with a center channel (51) guided with cutting column (70).

2. A cutting mechanism for a hollow cup winding coil according to claim 1, characterized in that: The cutting mechanism further includes a positioning column (80) for positioning the winding coil, the positioning column (80) is provided with a cutting channel (81) with an open upper end, and the aperture of the cutting channel (81) is matched with the outer diameter of the cutting column (70).

3. A cutting mechanism for a hollow cup winding coil according to claim 2, characterized in that: The upper end surface of the positioning column (80) is provided with a plurality of circumferentially distributed grooves (82), the inner side of the groove (82) is in communication with the cutting channel (81), and the number of most grooves (82) is matched with the number of pins of the winding coil.

4. A cutting mechanism for a hollow cup winding coil according to claim 1, characterized in that: The lower end of the support frame (10) is provided with a limiting block (11), and the limiting block (11) is limitedly matched with the connecting block (20) to limit the downward stroke of the connecting block (20) and the cutting column (70).

5. A cutting mechanism for a hollow cup winding coil as defined in claim 1, wherein: The lower end of the connecting block (20) is provided with a T-shaped slot with a wide upper end and a narrow lower end, the T-shaped slot is provided with a mounting block (90), the cutting column (70) is fixedly connected to the mounting block (90), and the upper end of the fixed sleeve (40) is provided with an opening for the cutting column (70) to extend into.

6. A cutting mechanism for a hollow cup winding coil according to claim 1, wherein: The upper end of the fixed sleeve (40) is provided with a connecting ring (41), and the connecting ring (41) is fixedly installed at the lower end of the connecting block (20) through a fastener.

7. A cutting mechanism for a hollow cup winding coil as defined in claim 1, wherein: The support frame (10) is provided with a vertical sliding rail (12), and the connecting block (20) is slidably arranged on the sliding rail (12) through a sliding block.

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