A pole piece machining method

Abstract

The application relates to the technical field of pole shoes, and relates to a pole shoe machining method, which comprises the following steps: S1, manufacturing a blank of a part A; the part A has a head end, a tail end and a flange plate; S2, head end machining; the outer circle and the end face of the head end of the part A are turned by a lathe; S3, tail end machining; the outer circle and the end face of the tail end of the part A are turned by the lathe; S4, welding; parts B and C are coaxially arranged with the head end of the part A and are brazed together to form a pole shoe blank; S5, pole shoe blank machining; the outer circle and the inner hole of the head of the pole shoe blank are turned; S6, pole shoe forming machining; the head of the pole shoe blank is clamped on the lathe, then the outer circle and the inner hole of the tail of the pole shoe blank are machined, and then the tail of the pole shoe blank is cut off, and the cut-off tail is used as the part C. The application has the advantages that after the length of the tail end is increased, the tail end can be machined, the tail end is machined into an assembly part of another pole shoe, and material waste can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pole shoe, in particular to a pole shoe processing method. BACKGROUND

[0002] In the prior art, the tail end is used for clamping during pole shoe processing, the clamping surface is short, the quality is unstable during processing, and the tail end needs to be removed after processing. Such processing method will cause waste of the removed material, resulting in increase of production cost. SUMMARY

[0003] The present application aims to overcome the shortcomings of the prior art and provide a pole shoe processing method.

[0004] The purpose of the present application is achieved by the following technical scheme: a pole shoe processing method, comprising the following steps:

[0005] S1, making a blank of a part A; the part A has a head end, a tail end and a flange plate, wherein the two sides of the flange plate are the head end and the tail end;

[0006] S2, head end processing; the tail end of the part A is clamped on a lathe, and the outer circle and end face of the head end of the part A are turned by the lathe;

[0007] S3, tail end processing; after the head end processing of the part A is completed, the part A is taken down and the head end is clamped on the lathe, and the outer circle and end face of the tail end of the part A are turned by the lathe;

[0008] S4, welding; the part B and the part C are coaxially arranged with the head end of the part A and are brazed together to form a pole shoe blank;

[0009] S5, pole shoe blank processing; the tail part of the pole shoe blank is clamped on the lathe, and then the outer circle and inner hole of the head part of the pole shoe blank are turned;

[0010] S6, pole shoe forming processing; the head part of the pole shoe blank is clamped on the lathe, and then the outer circle and inner hole of the tail part of the pole shoe blank are processed, and then the tail part of the pole shoe blank is cut off, and the cut-off tail part serves as the part C.

[0011] Specifically, the head end of the part A is provided with a positioning shaft at one end away from the flange plate, the outer diameter of the positioning shaft is smaller than the outer diameter of the head end of the part A, and the positioning shaft and the head end of the part A are transitioned through a slope.

[0012] Specifically, the part B and the part C are installed on the positioning shaft in interference fit in the S4, and the part B is located between the head end of the part A and the part C.

[0013] Specifically, the part B is an annular part, one end of which is provided with a tapered hole matched with the slope transition between the positioning shaft and the head end of the part A.

[0014] Specifically, the tail end length of the part A is 19.5-21mm.

[0015] Specifically, the length of the part C is 16.1mm.

[0016] Specifically, the end face of the flange plate is positioned in S2, and the end face of the flange plate on the head end side of the part A is turned.

[0017] Specifically, the end face of the flange plate is positioned in S3, and the end face of the flange plate on the tail end side of the part A is turned.

[0018] Specifically, the positioning shaft is cut off when the inner hole of the head of the pole shoe blank is machined in S5.

[0019] The application has the following advantages:

[0020] The application increases the length of the tail end of the part A blank, facilitates clamping, is stable in clamping, and is more stable in product machining process. After the length of the tail end is increased, the tail end can be machined to be an assembly part of another pole shoe, and material waste can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the part A of the application;

[0022] Figure 2 It is a sectional structural schematic diagram of the part A of the application;

[0023] Figure 3 It is a sectional structural schematic diagram of the part B of the application;

[0024] Figure 4 It is a sectional structural schematic diagram of the part C of the application;

[0025] Figure 5 It is a structural schematic diagram of the pole shoe blank of the application;

[0026] Figure 6 It is a sectional structural schematic diagram of the pole shoe blank of the application;

[0027] Figure 7 It is a sectional structural schematic diagram of the pole shoe blank of the application;

[0028] Figure 8 It is a structural schematic diagram of the pole shoe of the application.

[0029] In the figure: 1-part A, 11-tail end, 12-flange plate, 13-head end, 14-positioning shaft, 2-part B, 3-part C, 4-pole shoe blank, 41-tail, 42-head. DETAILED DESCRIPTION

[0030] For the purposes of the present application, the technical solutions and advantages will be clearer. The present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application, i.e., the described examples are only a part of the examples of the present application, but not all the examples. The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the detailed description of the embodiments of the present application provided below in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without making creative efforts fall within the scope of protection of the present application.

[0032] It should be noted that the relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or further includes elements inherent in such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0033] The present application will be further described below in combination with the drawings, but the scope of protection of the present application is not limited to the following description.

[0034] As shown in the drawings, a pole shoe processing method comprises the following steps: Figures 1-8

[0035] S1, a blank of a part A1 is made; the part A1 has a head end 13, a tail end 11 and a flange plate 12, wherein the flange plate 12 has the head end 13 and the tail end 11 on both sides;

[0036] S2, head end processing; the tail end 11 of the part A1 is clamped on a lathe, and the outer circle and end face of the head end 13 of the part A1 are turned by the lathe;

[0037] ​S3, tail end processing; after the head end 13 of the part A1 is processed, the part A1 is taken down and clamped on the lathe, and the outer circle and end face of the tail end 11 of the part A1 are turned by the lathe;

[0038] S4, welding; the parts B2 and C3 are coaxially arranged with the head end 13 of the part A1 and are brazed together to form the pole shoe blank 4;

[0039] S5, pole shoe blank processing; the tail part 41 of the pole shoe blank 4 is clamped on the lathe, and then the outer circle and inner hole of the head part 42 of the pole shoe blank 4 are turned;

[0040] S6, pole shoe forming processing; the head part 42 of the pole shoe blank 4 is clamped on the lathe, and then the outer circle and inner hole of the tail part 41 of the pole shoe blank 4 are processed, and then the tail part 41 of the pole shoe blank 4 is cut off, and the cut-off tail part 41 serves as the part C3. In this embodiment, the total length of the part A1 blank is 45 mm, the length of the tail end 11 of the part A1 blank is 19.3 mm, the outer diameter of the flange plate 12 is 26 mm, the outer diameter of the tail end of the part A1 blank is 15.5 mm, compared with the traditional pole shoe processing, the length of the tail end 11 of the part A1 blank in this embodiment is increased by about 10 mm, which increases the clamping length during processing, and the product processing process is more stable. When processing the head end 13 of the part A1, the diameter of the head end 13 is processed to 14.8 mm, and the length is 14.71 mm. When processing the tail end 11 of the part A1, the diameter of the tail end 11 is processed to 15 mm, and the length is 19.5 mm. The outer diameter of the flange plate 12 is 25 mm, the length of the flange plate 12 is 2.7 mm, the length of the part B is 2.66 mm, the outer diameter is 14.3 mm, and the inner diameter is 10 mm. The part B2 is processed once to complete all the sizes, and only the chamfering and deburring of the cut surface are processed. The length of the part C3 is 16.1 mm. After the part B2 and the part C3 are coaxially arranged with the head end 13 of the part A1 and are welded together, the pole shoe blank 4 is formed, and then the pole shoe blank 4 is processed. The outer circle and inner hole of the head part 42 are processed, the diameter of the head part 42 is processed to 14 mm, and the inner diameter is processed to 10.6 mm. The head part 42 of the pole shoe blank 4 is the part formed by welding the part B2 and the part C3 with the head end 13 of the part A1. Then the tail part 41 of the pole shoe blank 4 is processed, and the outer diameter of the tail part 41 is processed to 14.8 mm. Then the tail part 41 of the pole shoe blank 4 is cut off as the part C3. The cut-off part C3 is used as an assembly part of another pole shoe blank 4. In this way, material waste can be reduced, the processing technology can be optimized, and production efficiency can be improved.

[0041] Further, the head end 13 of the part A1 is provided with a positioning shaft 14 at one end away from the flange plate 12, the outer diameter of the positioning shaft 14 is smaller than the outer diameter of the head end 13 of the part A1, the positioning shaft 14 and the head end 13 of the part A1 are connected through a bevel, the part B2 and the part C3 in the S4 are installed on the positioning shaft 14 in interference fit, the part B2 is located between the head end 13 of the part A1 and the part C3, the part B2 is an annular part, one end of which is provided with a tapered hole matched with the bevel of the head end 13 of the part A1 and the positioning shaft 14. In this embodiment, the positioning shaft 14 is provided at the head end 13 of the part A1 for installing the part B2 and the part C3, the total length of the positioning shaft 14 and the head end 13 is 21.2 mm, the outer diameter is 10 mm, the inner hole of the part C3 is a stepped hole, the inner diameter of the large diameter section is 10 mm, and a chamfer is provided at the end of the large diameter section, the chamfer is 1.5*45°, the angle of the bevel is 44°, when assembled, the part B2 and the part C3 are sleeved on the positioning shaft 14, the tapered hole of the part B2 is matched with the bevel, and the part C3 is installed on the positioning shaft 14 in interference fit, so as to fix the part C3 and the part B2 on the part A1, facilitating welding.

[0042] Further, the length of the tail end 11 of the part A1 is 19.5-21 mm. Compared with the traditional structure in this embodiment, the length is increased by 10 mm, which improves the stability of clamping and reduces the waste of materials. The tail end 11 of the part A1 can be cut off as the part C3 of another pole shoe blank 4.

[0043] Further, the length of the part C3 is 16.1 mm.

[0044] Further, in the S2, the end face of the flange plate 12 is positioned, and the end face of the flange plate 12 located on one side of the head end 13 of the part A1 is turned.

[0045] Further, in the S3, the end face of the flange plate 12 is positioned, and the end face of the flange plate 12 located on one side of the tail end 11 of the part A1 is turned.

[0046] Further, in the S5, the positioning shaft 14 is cut off when machining the inner hole of the head 42 of the pole shoe blank 4. In this embodiment, the positioning shaft 14 mainly serves to install the part B2 and the part C3 to fix them on the part A1, and it needs to be turned off when machining the inner hole after welding is completed.

[0047] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application, or modify equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical scheme of the present application, without departing from the technical scheme of the present application, all belong to the protection scope of the technical scheme of the present application.

Claims

1. A method of pole piece machining, characterized by: It comprises the following steps: S1, making the blank of part A (1); the part A (1) has a head end (13), a tail end (11) and a flange (12), wherein the flange (12) has the head end (13) and the tail end (11) on both sides; S2, head end machining; the tail end (11) of the part A (1) is clamped on the lathe, and the outer circle and end face of the head end (13) of the part A (1) are turned by the lathe; S3, tail end machining; after the head end (13) of the part A (1) is machined, the part A (1) is taken down and the head end (13) is clamped on the lathe, and the outer circle and end face of the tail end (11) of the part A (1) are turned by the lathe; S4, welding; the part B (2) and the part C (3) are coaxially arranged with the head end (13) of the part A (1) and are brazed together to form the pole shoe blank (4); S5, pole shoe blank machining; the tail part (41) of the pole shoe blank (4) is clamped on the lathe, and then the outer circle and inner hole of the head part (42) of the pole shoe blank (4) are turned; S6, pole shoe forming machining; the head part (42) of the pole shoe blank (4) is clamped on the lathe, and then the outer circle and inner hole of the tail part (41) of the pole shoe blank (4) are machined, and then the tail part (41) of the pole shoe blank (4) is cut off, and the cut-off tail part (41) is used as the part C (3).

2. A pole piece machining method according to claim 1, characterized in that: The head end (13) of the part A (1) is provided with a positioning shaft (14) at one end away from the flange (12), the outer diameter of the positioning shaft (14) is smaller than the outer diameter of the head end (13) of the part A (1), and the positioning shaft (14) is transitioned to the head end (13) of the part A (1) through a slope.

3. A pole piece machining method according to claim 2, characterized in that: The part C (3) is installed on the positioning shaft (14) in interference fit in S4, and the part B (2) is located between the head end (13) of the part A (1) and the part C (3).

4. The pole piece machining method of claim 2, wherein: The part B (2) is an annular part, one end of which is provided with a tapered hole matched with the slope transition between the positioning shaft (14) and the head end (13) of the part A (1).

5. The pole piece machining method of claim 1, wherein: The length of the tail end (11) of the part A (1) is 19.5-21mm.

6. The pole piece machining method of claim 1 wherein: The length of the part C (3) is 16.1mm.

7. The pole piece machining method of claim 1 wherein: In S2, the end face of the flange (12) is positioned, and the end face of the flange (12) located on one side of the head end (13) of the part A (1) is turned.

8. The pole piece machining method of claim 1 wherein: In S3, the end face of the flange (12) is positioned, and the end face of the flange (12) located on one side of the tail end (11) of the part A (1) is turned.

9. The pole piece machining method of claim 1 wherein: In S5, the positioning shaft (14) is cut off when machining the inner hole of the head part (42) of the pole shoe blank (4).

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