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CN-121984290-A - Axial paper inserting machine

CN121984290ACN 121984290 ACN121984290 ACN 121984290ACN-121984290-A

Abstract

The invention relates to the technical field of motor paper insertion, and particularly discloses an axial paper insertion machine.A first lifting mechanism of a paper pressing assembly drives a first pressing block to press part of insulating paper into a V-shaped forming groove along the vertical direction, so that two side edges of the insulating paper in the width direction form V-shaped bending; the paper feeding assembly is used for providing insulating paper for the paper pressing assembly, the paper cutting tool is located at the downstream of the first pressing block and used for cutting the insulating paper, the paper inserting assembly is located at the downstream of the paper cutting assembly, the second forming die is provided with a forming hole in the vertical direction, the indexing assembly is located below the paper inserting assembly, the rotary table can rotate around the axis of the rotary table, the axis of the rotary table is parallel to the vertical direction, the tool is mounted on the rotary table and comprises a plurality of slots, and the second lifting mechanism drives the second pressing block to fold the insulating paper through the forming hole and then insert the insulating paper into the slots. Thus, the assembly machine is more suitable for the production assembly of an axial motor so as to facilitate the subsequent pressing-in of the wire set.

Inventors

  • WANG XIANFENG

Assignees

  • 邦迪智能科技(上海)股份有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (10)

  1. 1. An axial paper insertion machine, comprising: the paper pressing assembly (1) comprises a first forming die (11), a first pressing block (12) and a first lifting mechanism (13), wherein the first forming die (11) comprises two V-shaped forming grooves which are arranged in parallel, and the first lifting mechanism (13) drives the first pressing block (12) to press part of the insulating paper (100) into the V-shaped forming grooves along the vertical direction (Z), so that two side edges of the insulating paper (100) in the width direction form V-shaped bends (101); A paper feeding assembly (2) located upstream of the paper pressing assembly (1) for supplying the insulating paper (100) to the paper pressing assembly (1); a paper cutting assembly (3) comprising a paper cutting tool located downstream of the first press block (12) for cutting the insulating paper (100); The paper inserting assembly (4) is positioned at the downstream of the paper cutting assembly (3) and comprises a second lifting mechanism (41), a second pressing block (42) and a second forming die (43) which are sequentially arranged from top to bottom, and the second forming die (43) is provided with a forming hole along the vertical direction (Z); The indexing assembly (5) is positioned below the paper inserting assembly (4), the indexing assembly (5) comprises a rotary table (51) and a tool (52), the rotary table (51) can rotate around the axis of the rotary table (51), the axis of the rotary table (51) is parallel to the vertical direction (Z), the tool (52) is installed on the rotary table (51), the tool (52) comprises a plurality of supporting pieces, the supporting pieces are uniformly distributed around the axis of the rotary table (51), a slot is formed between two adjacent supporting pieces, and the second lifting mechanism (41) drives the second pressing block (42) to fold the insulating paper (100) to pass through the forming hole and then insert the insulating paper into the slot.
  2. 2. The axial paper inserting machine according to claim 1, wherein the paper feeding assembly (2) comprises a guide (21), a driving wheel (22) and a third lifting mechanism (23), the driving wheel (22) is located above the guide (21), the third lifting mechanism (23) drives the driving wheel (22) to move relative to the guide (21) along the vertical direction (Z), the driving wheel (22) rotates around the self axis, and the insulating paper (100) is clamped between the circular arc surfaces of the guide (21) and the driving wheel (22).
  3. 3. The axial paper inserting machine according to claim 2, wherein the guide member (21) is of a hollow cylindrical structure, a first avoiding opening is formed in the top wall of the guide member (21), the insulating paper (100) is arranged in the guide member (21) in a penetrating manner, and the driving wheel (22) is in contact with the insulating paper (100) through the first avoiding opening.
  4. 4. An axial paper inserting machine according to claim 3, characterized in that the top wall of the guide member (21) is also provided with a second relief opening; The paper feeding assembly (2) further comprises an indentation wheel (24), the indentation wheel (24) is located above the guide piece (21), a plurality of protrusions are arranged on the curved surface of the indentation wheel (24) along the axial direction of the indentation wheel (24), the protrusions are in contact with the insulating paper (100) through the second avoidance openings, so that folds (102) are formed in the insulating paper (100), and the insulating paper (100) is bent along the folds (102) in the V-shaped forming groove.
  5. 5. The axial paper inserting machine according to claim 1, characterized in that the indexing assembly (5) further comprises a first sliding table (54) and a first guide rail (53), the first sliding table (54) is slidably connected with the first guide rail (53), the first sliding table (54) is movable along the vertical direction (Z) relative to the second forming die (43), and the turntable (51) is mounted on the first sliding table (54).
  6. 6. The axial paper inserting machine according to claim 5, further comprising a transfer assembly, wherein the transfer assembly comprises a second sliding table and a second guide rail (61), the second sliding table is slidably connected with the second guide rail (61), the second sliding table can move relative to the indexing assembly (5) along a second horizontal direction (Y), a U-shaped groove is formed in one side of the second sliding table, facing the indexing assembly (5), of the second horizontal direction (Y), the turntable (51) can be partially inserted into the U-shaped groove, and the tool (52) can be placed on the end face of the U-shaped groove in the vertical direction (Z) along the vertical direction (Z); the second horizontal direction (Y) is perpendicular to the first horizontal direction (X), and the paper feeding assembly (2) transports the insulating paper (100) along the first horizontal direction (X).
  7. 7. The axial paper inserting machine according to claim 1, further comprising a correction assembly (7) mounted below the second forming die (43), wherein the correction assembly (7) comprises a telescopic mechanism (71) and a pushing plate (72), a fixed end of the telescopic mechanism (71) is relatively fixed with the second forming die (43), the pushing plate (72) is mounted at a telescopic end of the telescopic mechanism (71), and the pushing plate (72) can push the insulating paper (100) to the center of the tool (52).
  8. 8. The axial paper inserting machine according to claim 1, further comprising an unreeling assembly (8) located upstream of the paper feeding assembly (2), wherein the unreeling assembly (8) comprises a box (81) and a paper feeding tray (82), the paper feeding tray (82) is rotatably installed in the box (81), and a first end of the insulating paper (100) is wound on the paper feeding tray (82) around an axis of the paper feeding tray (82), and the other end of the insulating paper is transported through the paper feeding assembly (2).
  9. 9. The axial paper inserting machine according to claim 8, wherein the unreeling assembly (8) further comprises a tensioning wheel (83), a sliding groove is formed in the box body (81), the tensioning wheel (83) is slidably inserted in the sliding groove, the second end of the insulating paper (100) is wound on a part of the arc surface of the tensioning wheel (83) and then extends out of the box body (81) to be in contact with the paper feeding assembly (2), and the first end and the second end are opposite ends of the insulating paper (100) in the length direction.
  10. 10. The axial paper inserting machine according to claim 8, characterized in that the box (81) is a constant temperature and humidity box.

Description

Axial paper inserting machine Technical Field The invention relates to the technical field of motor paper insertion, in particular to an axial paper insertion machine. Background The stator of an electric machine is the core component of the electric machine, and before embedding the coils, the slots of the core must be reliably insulated to prevent electrical breakdown between the windings and the core. Currently, common stator insulation processes mainly include powder coating (such as paint dropping) and inserting insulation paper. The powder coating process forms an insulating coating on the surface of the stator by means of electrostatic spraying or a fluidized bed. However, the method has the problems of high energy consumption, low material utilization rate, high waste gas treatment cost, difficulty in uniform control of the coating thickness and the like, is inconvenient for subsequent reworking, and has the environmental protection property and economical efficiency to be improved. In contrast, the automatic paper inserting machine is adopted to insert the preformed insulating paper into the stator slot, so that the dry type physical insulation mode has the remarkable advantages of clean process, high material utilization rate, high production efficiency, convenience in automatic integration and the like, and becomes an important development direction for replacing the traditional coating process. Along with the development of motor technology to high power density and light weight, the axial flux motor has a flattened structure and excellent torque density, and has a wide application prospect in the fields of electric automobiles, aerospace, robots and the like. However, the production process of axial motors by various manufacturers in the market at present is still in a diversified development stage, and the stator structure and the slot type characteristics of the axial motors are obviously different from those of the traditional radial motors, so that the special automatic paper inserting equipment for the axial motors is still immature. For this reason, an axial paper inserting machine is needed to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide an axial paper inserting machine so as to complete a paper inserting process of an axial motor. In one aspect, the present invention provides an axial paper insertion machine comprising: the paper pressing assembly comprises a first forming die, a first pressing block and a first lifting mechanism, wherein the first forming die comprises two V-shaped forming grooves which are arranged in parallel, and the first lifting mechanism drives the first pressing block to press part of the insulating paper into the V-shaped forming grooves along the vertical direction, so that the edges of two sides of the insulating paper in the width direction form V-shaped bends; a paper feeding assembly located upstream of the paper pressing assembly for supplying the insulating paper to the paper pressing assembly; The paper cutting assembly comprises a paper cutting cutter, wherein the paper cutting cutter is positioned at the downstream of the first pressing block and is used for cutting the insulating paper; The paper inserting assembly is positioned at the downstream of the paper cutting assembly and comprises a second lifting mechanism, a second pressing block and a second forming die which are sequentially arranged from top to bottom, and the second forming die is provided with a forming hole along the vertical direction; The indexing assembly is positioned below the paper inserting assembly, the indexing assembly comprises a rotary table and a tool, the rotary table can rotate around the axis of the rotary table, the axis of the rotary table is parallel to the vertical direction, the tool is installed on the rotary table, the tool comprises a plurality of supporting pieces, the supporting pieces are uniformly distributed around the axis of the rotary table, a slot is formed between two adjacent supporting pieces, and the second lifting mechanism drives the second pressing block to fold the insulating paper through the forming hole and then insert the insulating paper into the slot. As a preferable mode of the axial paper inserting machine, the paper feeding unit includes a guide, a driving wheel, and a third lifting mechanism, the driving wheel is located above the guide, the third lifting mechanism drives the driving wheel to move along the vertical direction relative to the guide, the driving wheel rotates around its axis, and the insulation paper is sandwiched between the guide and the circular arc surface of the driving wheel. As a preferable mode of the axial paper inserting machine, the guide member has a hollow cylindrical structure, a first avoiding opening is provided in a top wall of the guide member, the insulating paper is inserted into the guide member, and the driving wheel is in contact with the insulating pa