A flange fork machining system and method

Abstract

This invention relates to the field of drive shaft technology, and specifically to a flange fork machining system and method. A base plate has a first mounting groove, and a second and third mounting grooves are provided on both sides of the centerline of the first mounting groove. An elastic component includes a base and a clamping member; the base is disposed within the first mounting groove; the clamping member is disposed on the base and extends towards both ends near the second mounting groove. A flange fork includes a flange and two fork bodies disposed on the flange. In a first operating condition, a first fixing component is disposed in the second mounting groove; the clamping member presses the flange onto the first fixing component; the flange is connected to the first fixing component. In a second operating condition, the second fixing component includes a support unit and a fixing unit; the support unit is disposed within the third mounting groove; the clamping member presses the flange into the second mounting groove; the fixing unit passes through the support unit and connects to the fork bodies. This invention solves the problems of inability to adapt to different machining states of the flange fork, difficulty in clamping, and difficulty in guaranteeing machining accuracy.

Description

Technical Field

[0001] This invention relates to the field of drive shaft technology, and more specifically, to a flange fork machining system and method. Background Technology

[0002] As a crucial component of the drive shaft, the flange fork is primarily used to connect the drive shaft to external parts and transmit power. A flange fork typically consists of a flange and two fork bodies. During manufacturing, the end face of the flange is a critical assembly reference surface, requiring machining to ensure flatness. However, adapting to different machining conditions of the flange fork and achieving stable and precise clamping of the flange fork during further machining of the flange end face has become a significant technical challenge.

[0003] Currently, general-purpose fixtures or simple positioning blocks are commonly used for clamping flange end faces. These methods have significant drawbacks: First, the overhanging structure of the fork causes the workpiece's center of gravity to shift, making it prone to elastic deformation under clamping force or vibration under cutting force, severely affecting the flatness of the end face and the accuracy of the holes. Second, when the flange fork is in different states (such as when the end face needs to be milled in the blank state, or when subsequent processes require drilling holes on the already machined end face), there is a lack of a unified and reliable datum conversion scheme. Operators need to repeatedly align the fork, resulting in low efficiency and difficulty in ensuring dimensional consistency between different processes. Therefore, there is an urgent need for a dedicated machining system that can adapt to different machining states of the flange fork, effectively overcome the clamping difficulties caused by its structure, and ensure the machining accuracy of the flange end face. Summary of the Invention

[0004] To address the problems of inability to adapt to different processing conditions of flange forks, difficulty in clamping, and difficulty in guaranteeing processing accuracy, this invention provides a flange fork processing system and method.

[0005] In a first aspect, this embodiment provides a flange fork machining system, including:

[0006] The base assembly includes a base plate; the base plate is provided with a first mounting groove along a first direction, and two second mounting grooves and two third mounting grooves are provided on both sides of the center line of the first mounting groove; wherein the second mounting grooves and the third mounting grooves have the same center line along the second direction;

[0007] The elastic component includes a base and a clamping member; the base is disposed in a first mounting groove; the clamping member is disposed on the base and extends towards both ends near a second mounting groove;

[0008] A flange fork includes an integrally formed flange and two forks symmetrically arranged on the flange; the flange fork machining system includes a first working condition and a second working condition;

[0009] In the first operating condition, a first fixing component is provided in the second mounting slot; the clamping member presses the flange onto the first fixing component along the first direction; the flange is connected to the first fixing component;

[0010] In the second operating condition, the second fixing component is located in the third mounting groove. The second fixing component includes a support unit and a fixing unit. The support unit is located in the third mounting groove. The clamping member presses the flange into the second mounting groove along the first direction. The fixing unit passes through the support unit and is connected to the fork body. The central axis of the fork body coincides with the center line of the second mounting groove and the center line of the third mounting groove along the second direction.

[0011] In some embodiments, the first fixing component includes a positioning plate and a positioning pin; the positioning plate is disposed in a second mounting groove; the positioning pin is disposed on the positioning plate; the flange is provided with a plurality of connection holes along a first direction;

[0012] In the first operating condition, the locating pin passes through the connecting hole along the first direction and connects with the flange.

[0013] In some embodiments, under a first operating condition, the second fixing component is disposed in the third mounting groove. The second fixing component includes a support unit and a fixing unit. The support unit is disposed in the third mounting groove. The fixing unit passes through the support unit and is connected to the fork body. The central axis of the fork body coincides with the center line of the second mounting groove and the third mounting groove along the second direction.

[0014] In some embodiments, the support unit includes a support body and a limiting groove; the support body is disposed in a third mounting groove; the supporting body has a limiting groove along a second direction; the fixing unit includes an integrally formed first fixing shaft and a second fixing shaft; one end of the first fixing shaft is engaged in the limiting groove, and the other end is connected to the second fixing shaft; the end of the second fixing shaft away from the first fixing shaft is engaged in the fork body along the second direction; the central axis of the fixing unit coincides with the central axis of the fork body.

[0015] In some embodiments, the elastic component further includes an elastic unit, which includes a nut, a screw, and an elastic element; the base and the clamping member are provided with a through hole along a first direction, the elastic element is disposed in the through hole, the screw is disposed in the through hole and abuts against the elastic element; the nut is disposed on the clamping member and threadedly connected to the screw.

[0016] In some embodiments, the clamping member has an abutment portion on the side facing the second mounting groove, and the abutment portion abuts against the flange fork.

[0017] In some embodiments, the second mounting groove is provided with an annular first tailing groove; a plurality of second tailing grooves are provided along the circumference of the first tailing groove, and the projection of the second tailing grooves coincides with that of the connecting hole.

[0018] In some embodiments, the base plate is further provided with a reference groove along the first direction, the reference groove being parallel to the center line connecting the two first mounting grooves; the reference groove being parallel to the center line connecting the two third mounting grooves.

[0019] Secondly, this embodiment provides a flange fork machining method, which is applied to any of the flange fork machining systems in the first aspect. The flange fork machining method includes:

[0020] Obtain the first or second state of the flange fork;

[0021] Based on the first state, the clamping member presses the flange fork onto the first fixing assembly along the first direction for fixing;

[0022] Based on the second state, the clamping member presses the flange fork into the second mounting groove along the first direction; one end of the fixing unit passes through the support unit and is connected to the flange fork; the central axis of the flange fork body coincides with the center line of the second mounting groove and the third mounting groove along the second direction.

[0023] In some embodiments, the first state further includes:

[0024] The fixing unit passes through the support unit and is connected to the flange fork along the second direction. The central axis of the fixing unit coincides with the central axis of the fork.

[0025] To address the problems of inability to adapt to different processing conditions of flange forks, difficulty in clamping, and difficulty in guaranteeing processing accuracy, this invention has the following advantages:

[0026] The pre-set first, third, and second mounting slots on the base plate, with precise positional relationships, provide a unified mechanical interface and positioning reference for the workpiece, enabling rapid and deviation-free conversion between different processes and fundamentally avoiding reference conversion errors. Its elastic components provide stable and controllable vertical clamping force to firmly press the flange, significantly overcoming clamping deformation and cutting vibration caused by the fork's overhang structure, thereby ensuring end face flatness, surface quality, and hole position accuracy. At the same time, the definitions of the first and second working conditions can flexibly adapt to different process requirements under different states of the flange fork, greatly enhancing the equipment's flexibility, reducing reliance on special tooling, and possessing significant advantages of high precision, high efficiency, and high reliability. Attached Figure Description

[0027] Figure 1 A schematic diagram of the structure of a flange fork machining system base assembly according to one embodiment is shown;

[0028] Figure 2 A partially exploded view of a flange fork machining system in a first operating condition according to one embodiment is shown;

[0029] Figure 3A schematic diagram of the installation structure of a flange fork processing system in a first working condition according to an embodiment is shown;

[0030] Figure 4 A schematic diagram of the structure of a flange fork machining system in a second working condition according to one embodiment is shown;

[0031] Figure 5 An embodiment of a flange fork machining system is shown. Figure 4 Sectional view in;

[0032] Figure 6 A schematic diagram of the installation of a flange fork machining system in a second working condition according to one embodiment is shown.

[0033] Figure label:

[0034] 10. Base assembly; 11. Base plate; 12. Reference groove; 13. First mounting groove; 14. Second mounting groove; 15. Third mounting groove; 16. First tailing groove; 17. Second tailing groove; 20. First fixing assembly; 21. Positioning plate; 22. Positioning pin; 23. Third tailing groove; 30. Second fixing assembly; 31. Support unit; 311. Support body; 312. Limiting groove; 32. Fixing unit; 321. First fixing shaft; 322. Second fixing shaft; 40. Elastic component; 41. Base; 42. Clamping component; 43. Elastic unit; 431. Nut; 432. Screw; 433. Elastic component; 44. Abutment part; 50. Flange fork; 51. Flange; 52. Fork body; 53. Connecting hole. Detailed Implementation

[0035] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thus implement the present disclosure, and are not intended to imply any limitation on the scope of the disclosure.

[0036] As used herein, the term "comprising" and its variations are to be interpreted as open-ended terms meaning "including but not limited to". The term "based on" is to be interpreted as "at least partially based on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment". The term "another embodiment" is to be interpreted as "at least one other embodiment". The terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments and are not intended to limit the indicated devices, elements, or components to having a specific orientation or being constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientations or positional relationships; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances. In addition, the terms "installed", "set up", "equipped with", "connected", and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. Furthermore, the terms "first," "second," etc., are mainly used to distinguish different devices, elements, or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0037] To address the problems of inability to adapt to different processing conditions of flange forks, difficulty in clamping, and difficulty in guaranteeing processing accuracy, this invention provides a flange fork processing system and method.

[0038] Example 1

[0039] Please refer to Figure 1 and Figure 2 The base assembly 10 and the elastic component 40 are provided. The base assembly 10 includes a base plate 11. The base plate 11 is provided with a first mounting groove 13 along the first direction Y, and two second mounting grooves 14 and two third mounting grooves 15 are provided on both sides of the center line of the first mounting groove 13. The second mounting grooves 14 and the third mounting grooves 15 have the same center line along the second direction X.

[0040] In this embodiment, the base plate 11 is also provided with a reference groove 12 along the first direction Y. The reference groove 12 is parallel to the center line connecting the two first mounting grooves 13; the reference groove 12 is parallel to the center line connecting the two third mounting grooves 15.

[0041] Understandably, the base plate 11 of this invention has a first mounting groove 13, a second mounting groove 14, and a third mounting groove 15 with precise positional relationships, providing a unified mechanical interface for the workpiece. Since the first mounting groove 13, the second mounting groove 14, the third mounting groove 15, and the reference groove 12 are formed by a single milling operation, the reference groove 12 can be used as the positioning reference for the first mounting groove 13, the second mounting groove 14, and the third mounting groove 15. Based on the reference groove 12, the accuracy of their relative positions can be directly observed. A relatively accurate position allows the entire tooling system to be quickly and accurately positioned and installed in the machining center, reducing systematic tool setting errors from the source and providing a fundamental guarantee for high precision in the entire machining process. In related technologies, the end face of the base plate is usually used as the positioning reference. However, the base plate is usually a blank, and its end face may have bumps or knocks, resulting in poor end face flatness. Therefore, the grooves formed by each single milling operation are prone to positional deviations, leading to poor machining accuracy of the subsequent flange fork 50.

[0042] Further, please refer to Figure 4 The elastic component 40 includes a base 41 and a clamping member 42. The base 41 is disposed in the first mounting groove 13 and is used to support the clamping member 42. The clamping member 42 is disposed on the base 41 and extends to both ends near the second mounting groove 14. In this embodiment, the clamping member 42 is a cuboid, and both ends of the clamping member 42 are used to fix the flange fork 50. The specific shape of the clamping member 42 is subject to the actual application.

[0043] In this embodiment, the elastic component 40 further includes an elastic unit 43, which includes a nut 431, a screw 432, and an elastic element 433. The base 41 and the clamping member 42 are provided with a through hole along the first direction Y. The elastic element 433 is detachably disposed in the through hole, and the screw 432 is disposed in the through hole and abuts against the elastic element 433. The nut 431 is disposed on the clamping member 42 and threadedly connected to the screw 432. The nut is used to adjust the height of the clamping member 42 affected by the elastic element 433.

[0044] Understandably, the height of the clamping member 42 in the first direction Y is adjusted based on the elastic unit 43. That is, the elastic height of the elastic member 433 in the through hole is adjusted by adjusting the cooperation between the nut 431 and the screw 432, so that the clamping member 42 can fix the flange fork 50 along the first direction Y. Furthermore, the elastic member 433 can compensate for the micro-unevenness of the arc surface of the flange fork 50, making the clamping force distribution more uniform. It can not only clamp the workpiece, but also effectively prevent the deformation of the thin-walled flange 51 caused by excessive or uneven clamping force.

[0045] In this example, please refer to Figure 3 The upper surface of the flange fork 50 is arc-shaped, and the clamping member 42 is provided with an abutment part 44 on the side facing the second mounting groove 14. The abutment part 44 abuts against the flange fork 50, further ensuring the stability and reliability of the clamping member 42 and the flange fork 50.

[0046] Furthermore, the flange fork machining system of the present invention is used to machine the end face of the flange fork 50. The flange fork 50 includes an integrally formed flange 51 and two fork bodies 52 symmetrically arranged on the flange 51. That is, the flange fork machining system of the present invention is used to machine the end face on the flange 51. The two fork bodies 52 include fork body holes, which can mate with the fixing unit 32 described later, and the central axes of the two fork body holes coincide.

[0047] Furthermore, based on different processes of the machining center, the flange fork 50 has different states, and the flange fork 50 in different states performs machining on the end face of the flange 51 under different working conditions. The flange fork machining system includes a first working condition and a second working condition.

[0048] Specifically, in the first operating condition, the second mounting groove 14 is provided with a first fixing component 20; the clamping member 42 presses the flange 51 onto the first fixing component 20 along the first direction Y, and the first fixing component 20 is detachably disposed in the second mounting groove 14; the flange 51 is connected to the first fixing component 20.

[0049] Specifically, the first fixing component 20 includes a positioning plate 21 and a positioning pin 22; the positioning plate 21 is disposed in the second mounting groove 14; the positioning pin 22 is disposed on the positioning plate 21; the flange 51 is provided with a plurality of connecting holes 53 along the first direction Y; under the first working condition, the positioning pin 22 passes through the connecting holes 53 along the first direction Y and is connected to the flange 51.

[0050] For example, there can be two locating pins 22 and two connecting holes 53, with the two numbers matching. The locating pins 22 pass through the connecting holes 53 and connect the first fixing component 20 and the flange 51, fixing the flange fork 50 to the base plate 11, eliminating the degree of freedom of movement and rotation of the flange fork 50 in the horizontal plane. The number of locating pins 22 and connecting holes 53 is not specifically limited in this embodiment, but is subject to actual application.

[0051] Specifically, the positioning plate 21 may be provided with a third tailing groove 23, which is annular and used to collect tailings during the processing to avoid tailings from accumulating or rubbing and damaging the workpiece. The specific application shall prevail.

[0052] Furthermore, in the first working condition, the second fixing component 30 is disposed within the third mounting groove 15. The second fixing component 30 includes a support unit 31 and a fixing unit 32. The support unit 31 is disposed within the third mounting groove 15; the fixing unit 32 passes through the support unit 31 and is connected to the fork body 52; the central axis of the fork body 52 coincides with the center line of the second mounting groove 14 and the third mounting groove 15 along the second direction X. This enhances the overall rigidity and stability of the flange fork 50 during the machining process. By constraining the workpiece from three directions—the clamping force of the elastic component 40 on the flange fork 50 along the first direction Y, the locking of the support unit 31 along the second direction X, and the fixing of the flange fork 50 by the first fixing component 20—the vibration and deformation that may occur due to the overhanging structure of the fork body 52 under the action of cutting force can be effectively suppressed, ensuring the machining quality of the flange 51 end face.

[0053] Specifically, the support unit 31 includes a support body 311 and a limiting groove 312; the support body 311 is disposed in the third mounting groove 15; the supporting body 311 has a limiting groove 312 along the second direction X; the fixing unit 32 includes an integrally formed first fixing shaft 321 and a second fixing shaft 322; one end of the first fixing shaft 321 is engaged in the limiting groove 312, and the other end is connected to the second fixing shaft 322; the end of the second fixing shaft 322 away from the first fixing shaft 321 is engaged in the fork body 52 along the second direction X; the central axis of the fixing unit 32 coincides with the central axis of the fork body 52. ​​Axial positioning is achieved based on the first fixing shaft 321 and the second fixing shaft 322, and the coincidence of their central axes with the central axis of the fork body 52 ensures the accuracy of positioning, providing a precise process reference for the subsequent processing of the fork body 52 itself.

[0054] Furthermore, the second fixed shaft 322 has a truncated cone structure. The second fixed shaft 322 has a taper at the end near the flange 51, that is, the diameter of the end near the flange 51 is smaller than the diameter of the other end. Its taper is adapted to different diameters of the fork body hole, ensuring that the second fixed shaft 322 will not wobble in the fork body hole and thus affect the stability of the flange fork 50.

[0055] In this embodiment, please refer to Figures 4-6 In the second operating condition, a second fixing component 30 is provided in the third mounting groove 15. The second fixing component 30 includes a support unit 31 and a fixing unit 32. The support unit 31 is located in the third mounting groove 15. The clamping member 42 presses the flange 51 into the second mounting groove 14 along the first direction Y. The fixing unit 32 passes through the support unit 31 and is connected to the fork body 52. ​​The central axis of the fork body 52 coincides with the center line of the second mounting groove 14 and the third mounting groove 15 along the second direction X.

[0056] Understandably, based on the different processes of the machining center, the flange 51 does not have a connection hole 53, and the end face of the flange 51 needs to be machined first. Therefore, the second fixing component 30 is used to fix the flange fork 50 to the base plate 11.

[0057] In this embodiment, the second mounting groove 14 is provided with an annular first tail material groove 16; a plurality of second tail material grooves 17 are provided along the circumference of the first tail material groove 16, and the projection of the second tail material grooves 17 coincides with that of the connecting hole 53.

[0058] For example, the size of the second tailing groove 17 can be the same as the size of the connecting hole 53, and the projection of the second tailing groove 17 and the connecting hole 53 coincides, ensuring that the tailing material can fall from the connecting hole 53 into the second tailing groove 17, effectively collecting the chips and coolant generated during milling or drilling, preventing them from accumulating on the positioning surface, positioning pin 22 or under the workpiece, thereby avoiding the problem of decreased positioning accuracy and workpiece misinstallation caused by chip interference, ensuring the stability of processing quality and reducing the workload of cleaning and maintenance.

[0059] Example 2

[0060] This embodiment provides a flange fork machining method, including the following steps S10-S30:

[0061] S10, obtain the first or second state of the flange fork 50;

[0062] S20, based on the first state, the clamping member 42 presses the flange fork 50 onto the first fixing component 20 along the first direction Y for fixing;

[0063] S30, based on the second state, the clamping member 42 presses the flange fork 50 into the second mounting groove 14 along the first direction Y; one end of the fixing unit 32 passes through the support unit 31 and is connected to the flange fork 50; the central axis of the fork body 52 of the flange fork 50 coincides with the center line of the second mounting groove 14 and the third mounting groove 15 along the second direction X.

[0064] Step S20 further includes: the fixing unit 32 passes through the support unit 31 and is connected to the flange fork 50 along the second direction X, and the central axis of the fixing unit 32 coincides with the central axis of the fork body 52.

[0065] Understandably, when machining the flange fork 50 as a whole, the bottom surface of the flange fork 50 is first rough-machined, then the end face of the flange 51 is machined using the bottom surface of the flange fork 50 as a reference surface, then the bottom surface of the flange fork 50 is finish-machined using the end face of the flange 51 as a reference surface, then the connecting hole 53 of the flange 51 is machined using the bottom surface of the flange fork 50 as a reference surface, and finally the fork body 52 is machined using the connecting hole 53 and the bottom surface of the flange fork 50 as reference surfaces. Based on the above-mentioned layer-by-layer machining process, it is necessary to ensure that the bottom surface of the flange fork 50 is stable so that the end face of the flange 51 machined will have relatively high accuracy, which in turn ensures that the accuracy of other structures machined subsequently is also high. Based on the fixation of the first fixing component 20, the clamping component 42, and the second fixing component 30, the accuracy of the end face machining of the flange fork 50 is high.

[0066] Those skilled in the art will understand that the above embodiments are specific examples of implementing this disclosure, and in practical applications, various changes can be made in form and detail without departing from the scope of this disclosure.

Claims

1. A flange fork processing system, characterized in that, include: A base assembly includes a base plate; the base plate is provided with a first mounting groove along a first direction, and two second mounting grooves and two third mounting grooves are provided on both sides of the center line of the first mounting groove; wherein the second mounting grooves and the third mounting grooves have the same center line along a second direction; An elastic component includes a base and a clamping member; the base is disposed within a first mounting groove; the clamping member is disposed on the base and extends towards both ends of the second mounting groove; A flange fork includes an integrally formed flange and two forks symmetrically disposed on the flange; the flange fork machining system includes a first working condition and a second working condition; In the first operating condition, a first fixing component is provided in the second mounting groove; the clamping member presses the flange onto the first fixing component along the first direction; the flange is connected to the first fixing component; In the second operating condition, the second fixing component is disposed in the third mounting groove. The second fixing component includes a support unit and a fixing unit. The support unit is disposed in the third mounting groove. The clamping member presses the flange into the second mounting groove along the first direction. The fixing unit passes through the support unit and is connected to the fork body. The central axis of the fork body coincides with the center line of the second mounting groove and the center line of the third mounting groove along the second direction.

2. The flange fork processing system according to claim 1, characterized in that, The first fixing component includes a positioning plate and a positioning pin; the positioning plate is disposed in the second mounting groove; the positioning pin is disposed on the positioning plate; the flange is provided with a plurality of connecting holes along the first direction; Under the first operating condition, the positioning pin passes through the connecting hole along the first direction and connects with the flange.

3. The flange fork processing system according to claim 2, characterized in that, In the first working condition, the second fixing component is disposed in the third mounting groove. The second fixing component includes a support unit and a fixing unit. The support unit is disposed in the third mounting groove. The fixing unit passes through the support unit and is connected to the fork body. The central axis of the fork body coincides with the center line of the second mounting groove and the center line of the third mounting groove along the second direction.

4. The flange fork processing system according to claim 3, characterized in that, The support unit includes a support body and a limiting groove; the support body is disposed in the third mounting groove; the limiting groove is formed on the support body along the second direction; the fixing unit includes an integrally formed first fixing shaft and a second fixing shaft; one end of the first fixing shaft is engaged in the limiting groove, and the other end is connected to the second fixing shaft; the end of the second fixing shaft away from the first fixing shaft is engaged in the fork body along the second direction; the central axis of the fixing unit coincides with the central axis of the fork body.

5. A flange fork processing system according to claim 1, characterized in that, The elastic component further includes an elastic unit, which includes a nut, a screw, and an elastic element; the base and the clamping member are provided with through holes along the first direction, the elastic element is disposed in the through holes, the screw is disposed in the through holes and abuts against the elastic element; the nut is disposed on the clamping member and is threadedly connected to the screw.

6. A flange fork processing system according to claim 5, characterized in that, The clamping member has an abutment portion on the side facing the second mounting groove, and the abutment portion abuts against the flange fork.

7. A flange fork processing system according to claim 2, characterized in that, The second mounting groove is provided with an annular first tail material groove; a plurality of second tail material grooves are provided along the circumference of the first tail material groove, and the projection of the second tail material grooves coincides with that of the connecting hole.

8. A flange fork processing system according to claim 1, characterized in that, The base plate is also provided with a reference groove along the first direction; the reference groove is parallel to the center line connecting the two third mounting grooves.

9. A method for machining a flange fork, characterized in that, The flange fork machining method is applied to any of the flange fork machining systems described in claims 1-8, and the flange fork machining method includes: Obtain the first or second state of the flange fork; Based on the first state, the clamping member presses the flange fork onto the first fixing component along the first direction for fixing; Based on the second state, the clamping member presses the flange fork into the second mounting groove along the first direction; one end of the fixing unit passes through the support unit and is connected to the flange fork; the central axis of the flange fork body coincides with the center line of the second mounting groove and the third mounting groove along the second direction.

10. A flange fork processing method according to claim 9, characterized in that, Based on the first state, it also includes: The fixing unit passes through the support unit and is connected to the flange fork along the second direction, and the central axis of the fixing unit coincides with the central axis of the fork body.

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