Feeding system and feeding method

Abstract

The invention relates to the technical field of part production, in particular to a feeding system and a feeding method. The feeding system comprises a shaft blank, a second feeding assembly and a jacking assembly. The second feeding end of the second feeding assembly is higher than the second discharging end of the second feeding assembly. The jacking assembly comprises a jacking head and a decontamination unit; the decontamination unit comprises an inclined plate and a decontamination part; in the first direction, the distance between the side, away from the second discharging end, of the inclined plate and the second discharging end is gradually increased from bottom to top. The working state of the feeding system comprises that the jacking head conveys the shaft blank to the second feeding end from bottom to top; in the shaft blank conveying process, the shaft blank rotates around the central axis of the shaft blank under the combined action of the jacking head and the inclined plate, and the set area of the shaft blank rolls relative to the decontamination part; therefore, the problem of abnormal feeding caused by foreign matters on the surface of the shaft blank is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of parts production, and in particular to a feeding system and a feeding method. Background Art

[0002] In automated feeding systems for shaft workpieces (such as shaft blanks), an inclined raceway structure is commonly used to achieve directional transport of the shaft blanks. The workpiece rolls along the inclined track using the shaft blank's own gravity. Its core components include a guide ramp at a specific angle, a limiter side plate, and an end-positioning mechanism. The guide ramp provides a continuous rolling path, the limiter side plate constrains the lateral displacement of the workpiece, and the end-positioning mechanism ensures that the workpiece enters the processing station in the desired posture. This design utilizes physical inertia to achieve continuous feeding, boasting a simple structure and high transmission efficiency. It can maintain a stable motion trajectory and feed rate during the transport of shaft blanks without surface defects.

[0003] However, when foreign matter such as oil, debris, or machining residue adheres to the arc surface of the shaft blank, it creates a sudden change in local frictional resistance at the contact area between the shaft blank and the inclined surface. This causes a difference in linear velocity at both ends of the shaft's length: the end with greater resistance experiences rolling hysteresis, while the end with less resistance maintains its original speed. This speed difference induces axial torque, causing the workpiece to deflect unexpectedly, which can lead to jamming or skew, and thus abnormal feeding. Summary of the Invention

[0004] In order to solve the problem of abnormal feeding caused by foreign matter on the surface of the axle embryo, the present invention provides a feeding system and a feeding method.

[0005] In a first aspect, the present invention provides a feeding system, comprising:

[0006] Axial embryo;

[0007] a second feeding assembly, wherein the second feeding end of the second feeding assembly is higher than the second discharging end of the second feeding assembly;

[0008] The lifting assembly includes a lifting head and a decontamination unit; the decontamination unit includes an inclined plate and a decontamination portion; the distance between the inclined plate and the second discharge end in a first direction gradually increases from bottom to top away from the second discharge end;

[0009] The working state of the feeding system includes the lifting head conveying the shaft embryo from bottom to top to the second feeding end; during the conveying process of the shaft embryo, the shaft embryo rotates around the central axis of the shaft embryo under the joint action of the lifting head and the inclined plate, and the set area of ​​the shaft embryo rolls relative to the decontamination part; wherein, the set area includes the area where the shaft embryo abuts against the second feeding component in the second feeding component.

[0010] In some embodiments, R<A<3R; wherein R is the radius of the shaft embryo, and A is the dimension of the set size area along the first direction away from the second discharge end when the shaft embryo moves from the top surface of the lifting head to the second feed end; the set size area includes the part where the projection area of ​​the lifting head and the inclined plate in the second direction do not overlap.

[0011] In some embodiments, the height of the top surface of the inclined plate gradually decreases in the first direction.

[0012] In some embodiments, the working state also includes the process in which the lifting head transports the shaft embryo from bottom to top to the second feeding end, and the outer peripheral surface of the shaft embryo continues to abut against the decontamination part and the inclined plate at the same time.

[0013] In some embodiments, the second feeding assembly includes a second fixed unit and a second movable unit; the second fixed unit includes a second fixed seat, a second fixed plate, and a second fixed guide rail; the second fixed plate and the second fixed guide rail are respectively connected to the second fixed seat; the second movable unit includes a second movable seat, a second movable plate, and a second movable guide rail; the second movable plate and the second movable guide rail are respectively connected to the second movable seat; the second fixed plate, the second fixed guide rail, the second movable guide rail, and the second fixed plate are arranged in sequence along the second direction;

[0014] The set area also includes areas where the shaft embryo abuts against the second fixed guide rail and the second movable guide rail in the second feeding assembly.

[0015] In some embodiments, the second fixed guide rail and the second movable guide rail are spaced apart along the second direction; and the distance between the second fixed guide rail and the second movable guide rail along the second direction is different at at least two locations.

[0016] In some embodiments, the second feeding assembly also includes a second driving unit; the second driving unit includes a second slide rail, a second slider, and a second driver; the second slider is connected to the second movable seat; the second slide rail is slidably connected to the second slider; the second driver is drivingly connected to the second slider; the second driver drives the second slider to drive the second movable seat to move toward or away from the second fixed unit.

[0017] In some embodiments, the feeding system further comprises a first feeding assembly; a first feeding end of the first feeding assembly is higher than a first discharging end of the first feeding assembly; the first feeding assembly is arranged on a side of the lifting head away from the first feeding assembly; the first feeding assembly is used to store the axle blank;

[0018] The working state also includes the shaft embryo moving to the top surface of the lifting head through the first feeding end and the first discharging end in sequence, and then the lifting head transports the shaft embryo to the second feeding end from bottom to top.

[0019] In some embodiments, the first feeding assembly includes a first fixed unit and a first movable unit; the first fixed unit includes a first fixed seat, a first fixed plate, and a first fixed guide rail; the first fixed plate and the first fixed guide rail are respectively connected to the first fixed seat; the first movable unit includes a first movable seat, a first movable plate, and a first movable guide rail; the first movable plate and the first movable guide rail are respectively connected to the first movable seat; the first fixed plate, the first fixed guide rail, the first movable guide rail, and the first fixed plate are sequentially arranged along the second direction; the decontamination portion and the projection of the first fixed guide rail in the first direction at least partially overlap;

[0020] The set area also includes areas where the shaft embryo abuts against the first fixed guide rail and the first movable guide rail in the first feeding assembly.

[0021] In a second aspect, this embodiment discloses a feeding method, which is applied to any feeding system described in the first aspect, and includes:

[0022] Based on the feeding instruction trigger, the shaft blank is moved to the top surface of the lifting head;

[0023] Based on the movement of the shaft embryo to the top surface of the lifting head, the lifting head moves up;

[0024] Based on the upward movement of the lifting head until the shaft embryo moves from the lifting head to the second feeding end, the lifting head stops moving or moves downward.

[0025] In order to solve the problem of abnormal feeding caused by foreign matter on the surface of the axle embryo, the present invention has the following advantages:

[0026] The shaft blank is transported from bottom to top by a lifting head to the second feed end of the second feeding assembly. During the conveying process, the shaft blank is rotated around its central axis by the combined action of the lifting head and the inclined plate, while the set area of ​​the shaft blank and the decontamination unit are kept rolling relative to each other. This structure enables the shaft blank to continuously rotate during the ascent, forcing the surface of the shaft blank to produce rolling friction contact with the decontamination unit. Through the action of rolling friction, the decontamination unit can effectively remove foreign matter such as oil, debris, and other foreign matter adhering to the circular surface of the shaft blank (especially the set area), thereby eliminating the difference in rolling speed at both ends of the shaft blank along its length caused by foreign matter. This process ultimately solves the problem of the shaft blank being stuck or skewed due to foreign matter when rolling on the inclined surface of the second feeding assembly, ensuring that the shaft blank enters the processing station smoothly along the predetermined trajectory and avoiding abnormal interruptions in feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of a feeding system according to an embodiment is shown;

[0028] Figure 2 A schematic diagram of a feeding system from a first perspective according to an embodiment is shown;

[0029] Figure 3 A schematic diagram of a feeding system according to an embodiment from a second perspective is shown;

[0030] Figure 4 A schematic diagram of a feeding system from a third perspective according to an embodiment is shown;

[0031] Figure 5 A schematic cross-sectional view of a feeding system according to an embodiment is shown;

[0032] Figure 6 A schematic cross-sectional view from a second perspective of a feeding system according to an embodiment is shown.

[0033] Figure markings: 10 first feeding assembly; 11 first fixed unit; 111 first fixed seat; 112 first fixed plate; 113 first fixed guide rail; 12 first movable unit; 121 first movable seat; 122 first movable plate; 123 first movable guide rail; 13 first driving unit; 131 first slide rail; 132 first slider; 133 first driver; 20 second feeding assembly; 21 second fixed unit; 211 second fixed seat; 212 second fixed plate; 213 second fixed guide rail; 22 second movable unit; 221 second movable seat; 222 second movable plate; 223 second movable guide rail; 30 lifting assembly; 31 third driver; 32 lifting head; 33 decontamination unit; 331 inclined plate; 332 decontamination part; 40 third feeding assembly; 41 base unit; 42 guide unit; 43 fourth driver; 50 base assembly; 60 shaft blank. DETAILED DESCRIPTION

[0034] 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 implement the present disclosure, rather than to imply any limitation on the scope of the present disclosure.

[0035] As used herein, the term "including" 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 "based, at least in part, 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." Terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "vertical," "horizontal," "transverse," and "longitudinal" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily intended to better describe the present application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationships. For example, the term "on" may, in certain circumstances, be used to indicate a dependency or connection relationship. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances. Furthermore, the terms "installed," "disposed," "provided with," "connected," and "connected" are to 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, an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, 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 specified, "plurality" means two or more.

[0036] In the feeding system, when the axle blank 60 is transported through the second feeding assembly 20, the second inlet end of the second feeding assembly 20 is higher than the second outlet end, forming an inclined transmission path. The axle blank 60 rolls along the inclined surface under the force of gravity. However, the arcuate surface of the axle blank 60 is susceptible to foreign matter. During the conveying and rotation process, foreign matter on the arcuate surface can disrupt the force balance at both ends of the axle blank 60 during rolling. This can cause the rolling speeds of the two ends to become out of sync, leading to the axle blank 60 becoming stuck or skewed, ultimately causing feeding anomalies.

[0037] Example 1:

[0038] This embodiment discloses a feeding system, such as Figure 1 As shown, the feeding system includes an axle blank 60 , a second feeding assembly 20 and a lifting assembly 30 .

[0039] The second feeding end of the second feeding component 20 is higher than the second discharging end of the second feeding component 20. One end of the length direction of the space surrounded by the second feeding component 20 is the second feeding end, and the other end is the second discharging end. The second feeding end is higher than the second discharging end. The second feeding end is higher than the first discharging end. This allows the shaft embryo 60 to automatically roll along the second feeding component 20 using gravity, thereby achieving continuous transportation of the shaft embryo 60. The axial dimension of the shaft embryo 60 is smaller than the space surrounded by the second feeding component 20 along the second direction (the second direction can be the width direction of the second feeding component 20, i.e., Figure 2 The dimensions (as shown from bottom to top) enable the shaft embryo 60 to be placed in the space enclosed by the second feeding assembly 20.

[0040] The lifting assembly 30 includes a lifting head 32 and a decontamination unit 33. Figure 6 As shown, the decontamination unit 33 includes an inclined plate 331 and a decontamination portion 332. The inclined plate 331 and the decontamination portion 332 are respectively arranged on the side of the second feeding assembly 20 close to the second feeding end. In the first direction, the distance between the inclined plate 331 and the second discharging end away from the second discharging end gradually increases from bottom to top. The first direction is the direction from the second feeding end to the second discharging end (i.e., Figure 2 Left to right direction shown).

[0041] Further, if Figure 3 As shown, the jacking assembly 30 further includes a third driver 31 , which drives the jacking assembly 30 to move.

[0042] The working state of the feeding system includes the lifting head 32 conveying the shaft embryo 60 from bottom to top to the second feed end in the vertical direction. The top surface of the lifting head 32 close to the feed end is higher than or flush with the bottom surface of the second feed end. Or the top surface of the lifting head 32 close to the second feed end is lower than the bottom surface of the second feed end, and the vertical distance between the top surface of the lifting head 32 close to the second feed end and the bottom surface of the second feed end is less than 1 / 3 of the radius of the shaft embryo 60, thereby ensuring that the shaft embryo 60 can roll from the lifting head 32 to the second feed end. During the conveying process of the shaft embryo 60, the shaft embryo 60 rotates around the central axis of the shaft embryo 60 under the joint action of the lifting head 32 and the inclined plate 331, and the set area of ​​the shaft embryo 60 rolls relative to the decontamination part 332. Among them, the set area includes the area where the shaft embryo 60 abuts against the second feeding component 20 in the second feeding component 20. An inclined conveying path is constructed through the second feeding component 20, the lifting head 32 of the lifting component 30 provides conveying power, and the inclined plate 331 provides spatial guidance, so that the shaft embryo 60 rotates around the central axis during transportation, and the set area rolls relative to the decontamination part 332, so that the decontamination part 332 can clean the stains on the surface of the shaft embryo 60, thereby solving the problems of sticking, skewing and abnormal feeding of the shaft embryo 60 when rolling from the second feed end to the second discharge end due to stains.

[0043] The feeding system further includes a third feeding assembly 40, which includes a base unit 41, a guide unit 42, and a fourth driver 43. One end of the guide unit 42 abuts the second discharge end. The guide unit 42 is connected to the base unit 41, and the fourth driver 43 is drivingly connected to the guide unit 42, driving the shaft blank 60 to move on the guide unit 42. The second feeding assembly 20 is connected to the base assembly 50. The lifting assembly 30 is connected to the base assembly 50. The third feeding assembly 40 is connected to the base assembly 50.

[0044] Preferably, R<A<3R. R is the radius of the shaft embryo 60, and A is the dimension of the set size area along the first direction away from the second discharge end when the shaft embryo 60 moves from the top surface of the jacking head 32 to the second feed end. The set size area includes the portion where the projection area of ​​the jacking head 32 and the inclined plate 331 in the second direction do not overlap. By limiting this size range, the spatial position of the shaft embryo 60 on the jacking head 32 is constrained, so that the shaft embryo 60 can stay stably on the jacking head 32, and only one shaft embryo 60 can be accommodated at a time, thereby avoiding that multiple shaft embryos 60 squeeze each other and hinder the relative rolling between the shaft embryo 60 and the decontamination part 332.

[0045] Preferably, the height of the top surface of the inclined plate 331 gradually decreases in the first direction. This change in the height of the top surface of the inclined plate 331 in the first direction maintains the positional relationship between the shaft embryo 60 and the lifting head 32 during transportation, preventing the shaft embryo 60 from falling from the lifting head 32. It also ensures that the shaft embryo 60 maintains contact with the decontamination unit 33, providing structural support for the decontamination process.

[0046] Furthermore, the working state also includes the process in which the outer peripheral surface of the shaft embryo 60 continuously and simultaneously contacts the decontamination section 332 and the inclined plate 331 while the lifting head 32 is conveying the shaft embryo 60 from bottom to top to the second feed end. That is, the stroke of the lifting head 32 is the same as the length of the decontamination section 332 and the inclined plate 331. The top ends of the decontamination section 332 and the inclined plate 331 are respectively flush with the second feed end. This allows the outer peripheral surface of the shaft embryo 60 to continuously contact the decontamination section 332 and the inclined plate 331 during the process of conveying the shaft embryo 60 from bottom to top by the lifting head 32, allowing the decontamination section 332 to clean the shaft embryo 60 throughout the entire conveying process, thereby improving the stain cleaning effect.

[0047] Furthermore, the second feeding assembly 20 includes a second fixed unit 21 and a second movable unit 22. The second fixed unit 21 includes a second fixed seat 211, a second fixed plate 212, and a second fixed guide rail 213. The second fixed plate 212 and the second fixed guide rail 213 are respectively connected to the second fixed seat 211, so that the second fixed plate 212 and the second fixed guide rail 213 are firmly mounted on the second fixed seat 211. The second movable unit 22 includes a second movable seat 221, a second movable plate 222, and a second movable guide rail 223. The second movable plate 222 and the second movable guide rail 223 are respectively connected to the second movable seat 221. The second fixed plate 212, the second fixed guide rail 213, the second movable guide rail 223, and the second fixed plate 212 are arranged in sequence along the second direction to form a channel for the shaft embryo 60 to roll. The shaft embryo 60 is guided to roll stably along a predetermined trajectory by the lateral limiting function of the second fixed plate 212, the second fixed guide rail 213, the second movable guide rail 223, and the second fixed plate 212. The space enclosed by the second fixed plate 212, the second fixed guide rail 213, the second movable guide rail 223, and the second fixed plate 212 has a second feed end at one end in the longitudinal direction and a second discharge end at the other end. The second feed end can be the end of the top surface of the second fixed guide rail 213 and the second movable guide rail 223 that is closer to the inclined plate 331, and the second discharge end can be the end of the top surface of the second fixed guide rail 213 and the second movable guide rail 223 that is farther from the inclined plate 331.

[0048] Preferably, the second fixed guide rail 213 and the second movable guide rail 223 are spaced apart along the second direction, providing rolling space for the axle embryo 60 in the second direction. The spacing between the second fixed guide rail 213 and the second movable guide rail 223 along the second direction differs at at least two locations. By providing this difference in spacing between the second fixed guide rail 213 and the second movable guide rail 223, the contact position between the axle embryo 60 and the rail varies during rolling, preventing foreign matter remaining on the surface of the axle embryo 60 from repeatedly contacting the rail with each rolling rotation and reducing the risk of jamming.

[0049] Furthermore, the second feeding assembly 20 also includes a second driving unit. The second driving unit includes a second slide rail, a second slider, and a second driver. The second slider is connected to the second movable seat 221. The second slide rail is slidably connected to the second slider. The second driver is drivingly connected to the second slider. The second driver drives the second slider to drive the second movable seat 221 to move toward or away from the second fixed unit 21. By driving the second slider to move the second movable seat 221 through the second driver, the spacing between the second fixed guide rail 213 and the second movable guide rail 223 can be adjusted, thereby adaptively adjusting according to the length of the shaft embryo 60, thereby improving the adaptability of the second feeding assembly 20 to shaft embryos 60 of different lengths.

[0050] Furthermore, the first feeding assembly 10 further includes a first driving unit 13. Figure 4As shown, the first driving unit 13 includes a first slide rail 131, a first slider 132, and a first driver 133. The first slider 132 is connected to the first movable seat 121. The first slide rail 131 is slidably connected to the first slider 132. The first driver 133 is drivingly connected to the first slider 132. The first driver 133 drives the first slider 132 to drive the first movable seat 121 to move toward or away from the first fixed unit 11. By driving the first slider 132 to move the first movable seat 121 through the first driver 133, the distance between the first fixed guide rail 113 and the first movable guide rail 123 can be adjusted, thereby adaptively adjusting according to the length of the shaft embryo 60, thereby improving the adaptability of the first feeding component 10 to shaft embryos 60 of different lengths.

[0051] Furthermore, if Figure 5 As shown, the feeding system also includes a first feed assembly 10, which provides a dedicated storage and conveying structure for the axle blanks 60. The first feed end of the first feed assembly 10 is higher than the first discharge end of the first feed assembly 10. This height setting utilizes gravity to enable the axle blanks 60 to move from the first feed end to the first discharge end under their own weight. The first feed assembly 10 is located on the side of the lifting head 32 away from the first feed assembly 10. The first feed assembly 10 is used to store the axle blanks 60.

[0052] The working state also includes the axle blanks 60 moving sequentially through the first feed end and the first discharge end to the top surface of the lifting head 32. The lifting head 32 then transports the axle blanks 60 from bottom to top to the second feed end. The tilting structure and storage function of the first feeding assembly 10, combined with the design of the movement path of the axle blanks 60, ensures a continuous supply of axle blanks 60, providing a stable feed input for the lifting assembly 30.

[0053] Furthermore, if Figure 2 As shown, the first feeding assembly 10 includes a first fixed unit 11 and a first movable unit 12. Figure 5 As shown, the first fixed unit 11 includes a first fixed seat 111, a first fixed plate 112, and a first fixed guide rail 113. The first fixed plate 112 and the first fixed guide rail 113 are respectively connected to the first fixed seat 111, and are used to limit and support one side of the shaft embryo 60. The first movable unit 12 includes a first movable seat 121, a first movable plate 122, and a first movable guide rail 123. The first movable plate 122 and the first movable guide rail 123 are respectively connected to the first movable seat 121. The first fixed plate 112, the first fixed guide rail 113, the first movable guide rail 123, and the first fixed plate 112 are arranged in sequence along the second direction to ensure that the shaft embryo 60 will not fall off from the side during transportation, thereby ensuring the stability of the transportation path. The decontamination portion 332 at least partially overlaps with the projection of the first fixed guide rail 113 in the first direction.

[0054] The set area also includes the areas where the shaft embryo 60 abuts against the first fixed guide rail 113 and the first movable guide rail 123 in the first feeding assembly 10, ensuring reliable abutment between the shaft embryo 60 and the guide rail, providing structural guarantee for the stable transportation and preliminary decontamination of the shaft embryo 60.

[0055] Example 2:

[0056] This embodiment discloses a feeding method, which is applicable to any feeding system in the first embodiment. The feeding method includes steps S10 to S30, each of which is described in detail as follows:

[0057] In step S10, based on the triggering of the feeding instruction, the shaft embryo 60 is moved to the top surface of the lifting head 32 to ensure that the shaft embryo 60 can be moved to the top surface of the lifting head 32 in time as required, so as to prepare for the subsequent lifting operation.

[0058] In step S20 , based on the shaft embryo 60 moving to the top surface of the lifting head 32 , the lifting head 32 moves upward, so that the lifting head 32 can drive the shaft embryo 60 to move upward.

[0059] In step S30, based on the lifting head 32 moving upward to the shaft embryo 60 and moving from the lifting head 32 to the second feeding end, the lifting head 32 stops moving or moves downward to avoid the lifting head 32 continuing to move upward and causing unnecessary push or interference on the shaft embryo 60, while making room for the next lifting operation, ensuring that the feeding process is carried out in an orderly cycle.

[0060] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present disclosure, and that in actual applications, various changes may be made thereto in form and detail without departing from the scope of the present disclosure.

Claims

1. A feeding system, characterized in that: The feeding system comprises: Axial embryo; a second feeding assembly, wherein the second feeding end of the second feeding assembly is higher than the second discharging end of the second feeding assembly; The lifting assembly includes a lifting head and a decontamination unit; the decontamination unit includes an inclined plate and a decontamination portion; the distance between the inclined plate and the second discharge end in a first direction gradually increases from bottom to top away from the second discharge end; The working state of the feeding system includes the lifting head conveying the shaft embryo from bottom to top to the second feeding end; during the conveying process of the shaft embryo, the shaft embryo rotates around the central axis of the shaft embryo under the joint action of the lifting head and the inclined plate, and the set area of ​​the shaft embryo rolls relative to the decontamination part; wherein, the set area includes the area where the shaft embryo abuts against the second feeding component in the second feeding component.

2. The feeding system according to claim 1, characterized in that: R<A<3R; wherein, R is the radius of the shaft embryo, and A is the dimension of the set size area along the first direction away from the second discharge end when the shaft embryo moves from the top surface of the lifting head to the second feed end; the set size area includes the part where the projection area of ​​the lifting head and the inclined plate in the second direction do not overlap.

3. The feeding system according to claim 1, characterized in that: The height of the top surface of the inclined plate gradually decreases in the first direction.

4. The feeding system according to claim 1, characterized in that: The working state also includes that during the process in which the lifting head transports the shaft embryo from bottom to top to the second feeding end, the outer peripheral surface of the shaft embryo continues to abut against the decontamination part and the inclined plate at the same time.

5. The feeding system according to claim 1, characterized in that: The second feeding assembly includes a second fixed unit and a second movable unit; the second fixed unit includes a second fixed seat, a second fixed plate, and a second fixed guide rail; the second fixed plate and the second fixed guide rail are respectively connected to the second fixed seat; the second movable unit includes a second movable seat, a second movable plate, and a second movable guide rail; the second movable plate and the second movable guide rail are respectively connected to the second movable seat; the second fixed plate, the second fixed guide rail, the second movable guide rail, and the second fixed plate are arranged in sequence along the second direction; The set area also includes areas where the shaft embryo abuts against the second fixed guide rail and the second movable guide rail in the second feeding assembly.

6. The feeding system according to claim 5, characterized in that: The second fixed guide rail and the second movable guide rail are spaced apart along the second direction; and the distance between the second fixed guide rail and the second movable guide rail along the second direction is different at at least two locations.

7. The feeding system according to claim 5, characterized in that: The second feeding assembly also includes a second driving unit; the second driving unit includes a second slide rail, a second slider, and a second driver; the second slider is connected to the second movable seat; the second slide rail is slidably connected to the second slider; the second driver is drivingly connected to the second slider; the second driver drives the second slider to drive the second movable seat to move toward or away from the second fixed unit.

8. The feeding system according to claim 1, characterized in that: The feeding system further includes a first feeding assembly; a first feeding end of the first feeding assembly is higher than a first discharging end of the first feeding assembly; the first feeding assembly is arranged on a side of the lifting head away from the first feeding assembly; the first feeding assembly is used to store the axle blank; The working state also includes the shaft embryo moving to the top surface of the lifting head through the first feeding end and the first discharging end in sequence, and then the lifting head transports the shaft embryo to the second feeding end from bottom to top.

9. The feeding system according to claim 8, characterized in that: The first feeding assembly includes a first fixed unit and a first movable unit; the first fixed unit includes a first fixed seat, a first fixed plate, and a first fixed guide rail; the first fixed plate and the first fixed guide rail are respectively connected to the first fixed seat; the first movable unit includes a first movable seat, a first movable plate, and a first movable guide rail; the first movable plate and the first movable guide rail are respectively connected to the first movable seat; the first fixed plate, the first fixed guide rail, the first movable guide rail, and the first fixed plate are sequentially arranged along the second direction; the decontamination portion and the projection of the first fixed guide rail in the first direction at least partially overlap; The set area also includes areas where the shaft embryo abuts against the first fixed guide rail and the first movable guide rail in the first feeding assembly.

10. A feeding method, characterized in that: The feeding method is applied to a feeding system as described in claims 1 to 9, and the feeding method comprises: Based on the feeding instruction trigger, the shaft blank is moved to the top surface of the lifting head; Based on the movement of the shaft embryo to the top surface of the lifting head, the lifting head moves up; Based on the upward movement of the lifting head until the shaft embryo moves from the lifting head to the second feeding end, the lifting head stops moving or moves downward.

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