CN219324834U

CN219324834U - Cutting tool for stator inner cavity machining

Info

Publication number: CN219324834U
Application number: CN202320690387.2U
Authority: CN
Inventors: 慈佳雷; 徐永镇
Original assignee: Tianjin Xiongbang Die Casting Co ltd
Current assignee: Tianjin Xiongbang Die Casting Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-11
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a cutting tool for processing an inner cavity of a stator, which comprises an annular tool rest, a blade and a push plate, wherein the annular tool rest is rotationally connected with a rotating shaft, the periphery of the rotating shaft is fixedly connected with the blade for cutting through a bolt, a driving roller is arranged in the annular tool rest through a bearing, two ends of the rotating shaft are fixedly connected with driving gears through screws, the annular tool rest is provided with the driving gears through the bearings, and a driving belt is sleeved between the driving gears and the driving rollers. The cutting tool for processing the inner cavity of the stator has the advantages of simple and compact structure, low cost, easy operation, more convenient and efficient use and suitability for wide popularization and use.

Description

Cutting tool for stator inner cavity machining

Technical Field

The utility model relates to the technical field of stator processing, in particular to a cutting tool for stator inner cavity processing.

Background

The stator is a stationary part in the motor, and consists of a stator core, a stator winding and a stand, and when the stator is processed, a plurality of iron sheets are required to be stacked, welded and fixed together, and then a circle of strip-shaped grooves are cut in the inner ring.

Currently, existing cutting tools have the following disadvantages when in use: the cutting transposition mechanism is absent, and when the stator iron sheet is subjected to inner cavity cutting action, the using position of the cutting tool needs to be repeatedly adjusted, and only the stator iron sheet can be independently grooved for cutting action, so that the cutting efficiency is low, and the operation is complex. For this purpose, we propose a cutting tool for stator cavity machining.

Disclosure of Invention

The utility model mainly aims to provide a cutting tool for processing a stator inner cavity, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a stator is cutting tool for inner chamber processing, includes annular knife rest, blade and push pedal, annular knife rest internal rotation is connected with the axis of rotation, the periphery of axis of rotation is through the blade that bolt fixedly connected with was used for the cutting, install the driving roller through the bearing in the annular knife rest, the both ends of axis of rotation all are through screw fixedly connected with drive gear, and annular knife rest passes through bearing installation drive gear, the cover is equipped with the drive belt between drive gear and the driving roller.

Further, the outer surface of the annular tool rest is provided with a groove, a push plate is arranged in the groove, a pressure spring is arranged on one side, located on the push plate, of the groove, and the groove is connected with the pressure spring through a clamping groove.

Further, a driving motor is fixedly arranged in the annular tool rest, the driving motor is connected with the driving roller through a driving shaft, and the annular tool rest is connected with the driving motor through a bolt.

Further, a negative pressure groove is formed in the annular tool rest and is communicated with the groove, the surface of the push plate is rotationally connected with balls, and the push plate is connected with the balls through the clamping groove.

Further, one side of the annular knife rest is fixedly connected with a mounting seat, and the annular knife rest is connected with the mounting seat through bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. through annular knife rest, axis of rotation, blade, drive gear and the drive belt that set up, can increase cutting mechanism when carrying out cutting action to stator iron sheet inner chamber, carry out the cutting in a plurality of bar grooves simultaneously, rethread outside fixture rotates, changes cutting tool use angle and carries out continuous cutting action, simple structure is compact, and the operation is more swift high-efficient.

2. Through recess, push pedal, pressure spring and the negative pressure groove that set up, can also carry out the auxiliary limiting treatment with the iron sheet when carrying out the inner chamber cutting action to not unidimensional stator iron sheet, improve its cutting process's stability and accuracy, use more nimble reliably.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a cutting tool for processing an inner cavity of a stator.

Fig. 2 is a schematic cross-sectional view of the annular cutter frame of the cutting tool for processing the inner cavity of the stator.

Fig. 3 is a schematic diagram showing a sectional structure of a push plate of the cutting tool for processing the inner cavity of the stator.

In the figure: 1. an annular tool holder; 2. a rotating shaft; 3. a blade; 4. a transmission gear; 5. a driving roller; 6. a transmission belt; 7. a driving motor; 8. a groove; 9. a push plate; 10. a pressure spring; 11. a negative pressure tank; 12. a ball; 13. and (5) a mounting seat.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and 2, the cutting tool for stator inner cavity machining comprises an annular tool rest 1, a blade 3 and a push plate 9, wherein a rotating shaft 2 is rotationally connected to the annular tool rest 1, the periphery of the rotating shaft 2 is fixedly connected with the blade 3 for cutting through a bolt, a driving roller 5 is installed in the annular tool rest 1 through a bearing, driving gears 4 are fixedly connected to two ends of the rotating shaft 2 through screws, the driving gears 4 are installed on the annular tool rest 1 through the bearing, and a driving belt 6 is sleeved between the driving gears 4 and the driving roller 5.

The outer surface of the annular tool rest 1 is provided with a groove 8, a push plate 9 is arranged in the groove 8, and a pressure spring 10 is arranged on one side, located on the push plate 9, of the groove 8.

In this embodiment, as shown in fig. 2, the groove 8, the push plate 9 and the compression spring 10 can improve the stability of the inner cavity of the stator by using elastic deformation and prevent the deflection while the cutter performs cutting action.

The annular tool rest 1 is internally and fixedly provided with a driving motor 7, and the driving motor 7 is connected with the driving roller 5 through a driving shaft.

In this embodiment, as shown in fig. 2, the driving motor 7 is used to drive the driving roller 5 to rotate.

The annular tool rest 1 is internally provided with a negative pressure groove 11, the negative pressure groove 11 is communicated with the groove 8, and the surface of the push plate 9 is rotationally connected with a ball 12.

In this embodiment, as shown in fig. 2 and 3, the negative pressure groove 11 is connected with an external air pump, so that negative pressure can be formed to retract the push plate 9 for resetting, and the ball 12 is connected with the inner cavity of the stator, so that the influence of friction on the vertical movement of the cutter can be avoided.

Wherein, one side of annular knife rest 1 fixedly connected with mount pad 13.

In this embodiment, as shown in fig. 1, the external clamping mechanism is facilitated to be fixedly connected through the mounting base 13.

During working, an operator fixedly installs and connects the cutting tool with the clamping mechanism through the mounting seat 13, then stretches the annular tool rest 1 into the inner cavity of the stator iron sheet, manually opens the driving motor 7 to drive the driving roller 5 to rotate, drives the transmission gear 4, the rotating shaft 2 and the blade 3 to rotate through the transmission belt 6, cuts the inner cavity of the stator iron sheet, adjusts the cutting position through the clamping mechanism rotating the annular tool rest 1, can replace the traditional cutting mode of a single cutter by utilizing the simultaneous cutting of a plurality of strip-shaped grooves, improves the cutting efficiency, is more convenient and faster to operate, can also pre-open an external air pump before stretching the annular tool rest 1 into the inner cavity of the stator, utilizes negative pressure grooves 11 to suck the push plate 9 into the groove 8, and then utilizes the spring force of the pressure spring 10 to push the push plate 9 to contact with the inner cavity of the stator, thereby improving the stability of the stator iron sheet during cutting, preventing the offset, further improving the cutting effect, and ensuring that the structure is simple and more stable and reliable to use.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Stator inner chamber processing is with cutting tool, including annular knife rest (1), blade (3) and push pedal (9), its characterized in that: the rotary cutting machine is characterized in that the rotary cutting machine is rotationally connected with a rotary shaft (2) in the annular cutter rest (1), a blade (3) used for cutting is fixedly connected to the periphery of the rotary shaft (2) through bolts, a driving roller (5) is installed in the annular cutter rest (1) through a bearing, driving gears (4) are fixedly connected to two ends of the rotary shaft (2) through screws, the driving gears (4) are installed on the annular cutter rest (1) through the bearings, and a driving belt (6) is sleeved between the driving gears (4) and the driving roller (5).

2. The stator bore machining cutter of claim 1, wherein: the outer surface of the annular tool rest (1) is provided with a groove (8), a push plate (9) is arranged in the groove (8), and a pressure spring (10) is arranged on one side, located on the push plate (9), in the groove (8).

3. The stator bore machining cutter of claim 1, wherein: the annular tool rest (1) is internally and fixedly provided with a driving motor (7), and the driving motor (7) is connected with the driving roller (5) through a driving shaft.

4. The stator bore machining cutter of claim 2, wherein: the annular tool rest (1) is internally provided with a negative pressure groove (11), the negative pressure groove (11) is communicated with the groove (8), and the surface of the push plate (9) is rotationally connected with a ball (12).

5. The stator bore machining cutter of claim 1, wherein: one side of the annular tool rest (1) is fixedly connected with a mounting seat (13).