Full-automatic center shaft numerical control drilling and tapping machine

Abstract

The utility model relates to the technical field of center shaft machining equipment, and discloses a full-automatic center shaft numerical control drilling and tapping machine which comprises a machine body and a feeding part, the feeding part is arranged on the feeding side of the machine body and used for continuously supplying materials to the machine body, and the feeding part comprises a first adjusting part capable of supplying materials according to center shafts of different lengths; the feeding device effectively solves the problems that a feeding device on a full-automatic center shaft numerical control drilling and tapping machine can only process center shafts of specific specifications and shapes, corresponding supporting plates and transmission mechanisms need to be replaced for center shafts of different sizes or shapes, and the using complexity and cost of the device are increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of axle machining equipment, especially relates to a full -automatic axle numerical control drilling tapping machine. BACKGROUND

[0002] In the bicycle manufacturing industry, axle as the key component connecting the wheel and frame, its machining precision and efficiency directly affect the performance and production cost of the whole vehicle. In the traditional bicycle axle machining process, the feeding mode of the axle is in the form of a bottom groove supporting plate. Specifically, this feeding mode relies on manual or mechanical device to place the axle in the groove of the supporting plate one by one, and then pushes the supporting plate and the axle on it forward through mechanical transmission or automatic mechanism until the predetermined machining position is reached. Although this method realizes automatic production to some extent, there are still some shortcomings.

[0003] Firstly, the design of the bottom groove supporting plate limits the flexibility and accuracy of the axle feeding. Since the axle must be placed accurately in the groove of the supporting plate, any deviation may cause poor feeding or machining error, thereby increasing the scrap rate and production cost. In addition, the design and maintenance cost of the supporting plate and its transmission mechanism are relatively high, which is not conducive to improving production efficiency.

[0004] Secondly, the traditional feeding mode has limitations in automation. Although some automated equipment can assist in the placement and pushing process of the axle, these devices can only handle axles of specific specifications and shapes. For axles of different sizes or shapes, the corresponding supporting plate and transmission mechanism need to be replaced, increasing the complexity and cost of equipment use. INVENTION CONTENTS

[0005] The utility model aims at solving the problem that the feeding equipment on the full -automatic axle numerical control drilling tapping machine mentioned in the above background technology can only handle axles of specific specifications and shapes, and for axles of different sizes or shapes, the corresponding supporting plate and transmission mechanism need to be replaced, increasing the complexity and cost of equipment use.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A full -automatic axle numerical control drilling tapping machine, including machine body, feeding piece and moving piece, the moving piece is arranged on the machine body to grasp and move the position of the machining axle, the feeding piece is arranged on one side of the machine body to continuously feed the machine body, the feeding piece includes an adjusting piece one that can feed axles of different lengths.

[0008] Preferably, the moving part comprises a fixed frame, a linear moving device one is arranged on the fixed frame, a linear moving device two is arranged on the moving unit of the linear moving device one, the linear moving device one is a horizontal device, the linear moving device two is a vertical device, a moving rod one is arranged on the moving unit of the linear moving device two, a moving rod two is arranged at the lower end of the moving rod one, a plurality of clamping jaws for grabbing the center shaft are equidistantly arranged on the moving rod two, a fixing part is further arranged on the fixed frame, the fixing part comprises a driving device, a plurality of positioning tables for placing and processing the center shaft are arranged in the machine body, a plurality of driving devices are arranged, and the plurality of driving devices are respectively corresponding to the plurality of positioning tables, a pressing frame plate is arranged on the output shaft of the driving device, and a pressing block for pressing and fixing the center shaft on the positioning table is arranged below the pressing frame plate.

[0009] Preferably, the feeding part comprises a feeding box body, a fixed frame plate is arranged on the feeding box body, two supporting plates are arranged on the feeding box body, a baffle is arranged on the fixed frame plate, one of the supporting plates is provided with a bottom plate one, and positioning plates are arranged on the inner sides of the two supporting plates; the positioning plates are arranged towards the baffle direction, a feeding part for pushing the center shaft to the equipment direction is arranged on the feeding box body, and a pushing part for sending the center shaft at the position of the bottom plate one to the position of the feeding part is arranged on the baffle; the feeding part comprises the feeding box body, the fixed frame plate, the supporting plate, the baffle, the positioning plate and other components, which work cooperatively to ensure the stability and accuracy of the center shaft during the feeding process, and in particular, the design of the bottom plate one and the positioning plate provides reliable support and positioning for the center shaft.

[0010] Preferably, two limiting plates are arranged on the inner side of the end of the supporting plate away from the bottom plate one, a bottom plate two is arranged on the lower limiting plate, the limiting plates are arranged obliquely towards the pushing part, a limiting channel for the center shaft to pass through is formed between the two limiting plates, the obliquely arranged limiting plates and the bottom plate two, and the limiting channel formed therebetween not only guide the orderly sliding of the center shaft, but also adapt to center shafts of different diameters by adjusting the angle of the limiting plates, to ensure the smoothness and stability of the feeding process.

[0011] Preferably, the pushing part comprises a fixed plate, a lifting device one is arranged on the fixed plate, a pushing plate is arranged on the output shaft of the lifting device one, the fixed plate is arranged on the feeding box body, a through hole is arranged on the feeding box body, the pushing plate is arranged in the through hole, and the pushing plate is arranged at the low end of the obliquely arranged bottom plate one; the pushing part realizes accurate pushing of the center shaft through the cooperation of the lifting device one and the pushing plate.

[0012] Preferably, the feeding device comprises a lifting device II, the output end of the lifting device II is provided with a feeding plate, the lifting device II is arranged on the fixed frame plate, and the feeding plate is located at the low end of the inclined bottom plate II.

[0013] Preferably, the two support plates are movably arranged on the feeding box, the fixed frame plate is provided with adjusting members I for adjusting the positions of the support plates, the two adjusting members I are arranged on the two sides of the fixed frame plate respectively, the two adjusting members I are connected with the two support plates respectively, and the distance between the two support plates can be adjusted flexibly through the adjustment of the adjusting members I, so that the middle shafts with different lengths can be adapted.

[0014] Preferably, the limiting plate is provided with an adjusting rod, one end of the limiting plate away from the adjusting rod is rotatably connected with the support plate, the two sides of the fixed frame plate are provided with adjusting members II for adjusting the angle of the limiting plate, the two limiting plates on the two support plates are connected with the two adjusting members II respectively, and the middle shafts with different diameters can be adapted through the adjustment of the angle of the limiting plate by the adjusting members II, so that the middle shafts can stably slide on the limiting plate.

[0015] Preferably, the support plate is movably arranged on the feeding box through the adjusting member I, the adjusting member I comprises a ball screw I, the ball screw I is provided with a ball nut, the support plate is connected with the ball nut, and the ball screw I is provided with a rotating plate I at the outward end.

[0016] Preferably, the adjusting member II comprises a ball screw II, the ball screw II is rotatably arranged on the support plate, the ball screw II is provided with a ball nut, the ball nut of the ball screw II is sleeved with a moving plate, the moving plate is provided with a moving frame plate, the moving frame plate is provided with two movable holes, the support plate is provided with two adjusting holes corresponding to the adjusting rods, the adjusting rods on the two limiting plates pass through the two adjusting holes and are located in the two movable holes, the ball screw II is provided with a rotating plate II at the upper end, and the rotating plate II is provided with a handle II.

[0017] Preferably, a sliding rail assembly is arranged between the support plate and the feeding box, the support plate is arranged on the feeding box through the sliding rail assembly, and the fixed plate is arranged on the fixed plate through the sliding rail assembly. The introduction of the sliding rail assembly improves the stability and accuracy of the movement of the support plate and the pushing plate.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses the cooperation of linear moving equipment one and linear moving equipment two is realized to the automatic grabbing, moving and placing of the center axis, and the processing efficiency is greatly improved, and the center axis is grabbed and moves through the clamping jaw, and the center axis of different specifications and shapes can be grabbed, and the complexity and cost of equipment use are reduced.

[0020] And through the cooperation of the feeding piece formed by the integrated lifting device, the pushing piece and the feeding piece, the continuous and automatic feeding of the center axis is realized through the cooperation with the moving piece, manual intervention is reduced, production efficiency is improved, the setting of the adjusting piece one and the adjusting piece two makes the user can adjust the position of the supporting plate and the angle of the limiting plate through simple operation, thereby adapting to the center axis of different lengths and diameters, can satisfy the center axis feeding demand of various diameter specifications, and the versatility of the equipment is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the ordinary skilled in the art.

[0022] Figure 1 It is the whole structure schematic view of the utility model;

[0023] Figure 2 It is the moving piece and the feeding piece structure view of the utility model;

[0024] Figure 3 It is the moving piece structure view of the utility model;

[0025] Figure 4 It is the feeding piece structure view of the utility model;

[0026] Figure 5 It is the feeding piece part sectional view of the utility model;

[0027] Figure 6 It is the feeding piece part explosion view of the utility model;

[0028] Figure 7 It is the pushing piece structure view of the utility model;

[0029] Figure 8 It is the feeding piece structure view of the utility model;

[0030] Figure 9 It is the adjusting piece one structure view of the utility model;

[0031] Figure 10 The adjusting part two structural view of the utility model;

[0032] Figure 11 The adjusting part two structural explosion view of the utility model.

[0033] Figure number explanation: 1, machine body;11, moving part;111, fixed frame;112, linear moving device one;113, linear moving device two;114, moving rod one;115, moving rod two;116, clamping jaw;117, driving device;118, pressing frame plate;119, pressing block;

[0034] 2, feeding part;21, feeding box body;211, fixed frame plate;22, support plate;221, adjusting hole;23, positioning plate;24, bottom plate one;25, adjusting part one;251, ball screw one;252, turning plate one;253, crank one;26, pushing part;261, fixed plate;262, lifting device one;263, pushing plate;27, baffle;28, bottom plate two;29, limiting plate;291, adjusting rod;210, adjusting part two;2101, ball screw two;2102, moving plate;2103, moving frame plate;2104, movable hole;2105, turning plate two;21056, crank two;212, feeding part;2121, lifting device two;2122, feeding plate. DETAILED DESCRIPTION

[0035] The utility model is further described in detail below in combination with the drawings.

[0036] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other embodiments, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0037] Those skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the simplified description of the utility model for the convenience of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0038] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number. Embodiments

[0039] Please refer to Figures 1-11 A full-automatic center shaft numerical control drilling machine, comprising a machine body 1, a feeding part 2 and a moving part 11, the moving part 11 is arranged on the machine body 1 to grab and move the position of the machining center shaft, the feeding part 2 is arranged on one side of the machine body 1 to continuously feed the machine body 1, and the feeding part 2 comprises an adjusting part one 25 capable of feeding center shafts of different lengths.

[0040] The moving part 11 comprises a fixed frame 111, a linear moving device one 112 is arranged on the fixed frame 111, a linear moving device two 113 is arranged on the moving unit of the linear moving device one 112, the linear moving device one 112 is a horizontal device, the linear moving device two 113 is a vertical device, a moving rod one 114 is arranged on the moving unit of the linear moving device two 113, a moving rod two 115 is arranged at the lower end of the moving rod one 114, a plurality of clamping jaws 116 for grabbing the center shaft are equidistantly arranged on the moving rod two 115, a fixed part is further arranged on the fixed frame 111, the fixed part comprises a driving device 117, a plurality of positioning tables for placing and machining the center shaft are arranged in the machine body 1, the driving device 117 is provided with a plurality of driving devices 117, the plurality of driving devices 117 are respectively corresponding to the plurality of positioning tables, a pressing frame plate 118 is arranged on the output shaft of the driving device 117, a pressing block 119 for pressing and fixing the center shaft on the positioning table is arranged below the pressing frame plate 118, the linear moving device one 112 and the linear moving device two 113 can be linear motors when in use, the clamping jaws 116 can be linearly moved downward and horizontally moved transversely through the linear moving device one 112 and the linear moving device two 113, the center shafts needing to be drilled and tapped on the feeding part 2 can be placed on the positioning block for machining, the center shafts can be sequentially and orderly moved, and the machined center shafts can be discharged from one side of the feeding part 2, the driving device 117 can be a pneumatic cylinder or an electric telescopic rod when in use, to drive the pressing frame plate 118 to linearly move up and down.

[0041] The feeding piece 2 comprises a feeding box 21, the feeding box 21 is provided with a fixed frame plate 211, the feeding box 21 is provided with two supporting plates 22, the fixed frame plate 211 is provided with a baffle 27, one of the supporting plates 22 is provided with a bottom plate 24, the inner sides of the two supporting plates 22 are provided with positioning plates 23, the positioning plates 23 are towards the baffle 27, the feeding box 21 is provided with a feeding piece 212 for pushing the middle shaft to the equipment direction, the baffle 27 is provided with a pushing piece 26 for sending the middle shaft at the position of the bottom plate 24 to the position of the feeding piece 212, the feeding piece 2 comprises the feeding box 21, the fixed frame plate 211, the supporting plate 22, the baffle 27, the positioning plate 23 and other components, these components work together to ensure the stability and accuracy of the middle shaft during the feeding process, especially the design of the bottom plate 24 and the positioning plate 23 provides reliable support and positioning for the middle shaft.

[0042] The inner side of the end of the supporting plate 22 away from the bottom plate 24 is inclined and provided with two limiting plates 29, the lower limiting plate 29 is provided with a bottom plate 28, the limiting plates 29 are inclined and arranged towards the pushing piece 26, a limiting passage for the middle shaft to pass through is formed between the two limiting plates 29, the inclined limiting plates 29 and the bottom plate 28 and the limiting passage formed therebetween not only guide the orderly sliding of the middle shaft, but also can adapt to middle shafts of different diameters by adjusting the angle of the limiting plates 29, ensuring smooth and stable feeding process.

[0043] The pushing piece 26 comprises a fixed plate 261, the fixed plate 261 is provided with lifting equipment 262, the output shaft of the lifting equipment 262 is provided with a pushing plate 263, the fixed plate 261 is arranged on the feeding box 21, the feeding box 21 is provided with a through hole, the pushing plate 263 is located in the through hole, the pushing plate 263 is located at the low end of the inclined bottom plate 24, the pushing piece 26 realizes accurate pushing of the middle shaft through the cooperation of the lifting equipment 262 and the pushing plate 263.

[0044] The feeding piece 212 comprises lifting equipment 2121, the output end of the lifting equipment 2121 is provided with a feeding plate 2122, the lifting equipment 2121 is arranged on the fixed frame plate 211, the feeding plate 2122 is located at the low end of the inclined bottom plate 28, the feeding piece 212 realizes continuous feeding of the middle shaft through the cooperation of the lifting equipment 2121 and the feeding plate 2122.

[0045] The two supporting plates 22 are movably arranged on the feeding box 21, the fixed frame plate 211 is provided with adjusting pieces 25 for adjusting the position of the supporting plates 22, the adjusting pieces 25 are provided with two, the two adjusting pieces 25 are respectively arranged on the two sides of the fixed frame plate 211, the two adjusting pieces 25 are respectively connected with the two supporting plates 22, the distance between the two supporting plates 22 can be flexibly adjusted through the adjustment of the position of the supporting plates 22 by the adjusting pieces 25, so as to adapt to middle shafts of different lengths.

[0046] The limiting plate 29 is provided with an adjusting rod 291, and the end of the limiting plate 29 away from the adjusting rod 291 is rotationally connected with the supporting plate 22. The two sides of the fixed frame plate 211 are provided with adjusting members two 210 for adjusting the angle of the limiting plate 29. The two limiting plates 29 on the two supporting plates 22 are respectively connected with the two adjusting members two 210. Through the adjustment of the angle of the limiting plate 29 by the adjusting member two 210, different diameters of the central shaft can be adapted to, and it is ensured that the central shaft can stably slide on the limiting plate 29.

[0047] The supporting plate 22 is movably arranged on the feeding box body 21 through the adjusting member one 25. The adjusting member one 25 comprises a ball screw one 251. The ball screw one 251 is provided with a ball nut. The supporting plate 22 is connected with the ball nut. The outer end of the ball screw one 251 is provided with a rotating plate one 252. The rotating plate one 252 is provided with a handle one 253. Through the handle one 253, the rotation of the ball screw one 251 by the user is facilitated. The ball screw one 251 is rotationally arranged on the fixed frame plate 211.

[0048] The adjusting member two 210 comprises a ball screw two 2101. The ball screw two 2101 is rotationally arranged on the supporting plate 22. The ball screw two 2101 is provided with a ball nut. The ball nut of the ball screw two 2101 is sleeved with a moving plate 2102. The moving plate 2102 is provided with a moving frame plate 2103. The moving frame plate 2103 is provided with two movable holes 2104. The supporting plate 22 is provided with two adjusting holes 221 corresponding to the adjusting rod 291. The adjusting rods 291 on the two limiting plates 29 respectively pass through the two adjusting holes 221 and are located in the two movable holes 2104. The upper end of the ball screw two 2101 is provided with a rotating plate two 2105. The rotating plate two 2105 is provided with a handle two 21056. Through the handle two 21056, the rotation of the ball screw two 2101 by the user is facilitated. The supporting plate 22 is provided with a protruding plate for mounting the ball screw two 2101. The ball screw two 2101 is rotationally mounted through a bearing.

[0049] The supporting plate 22 and the feeding box body 21 are provided with a sliding rail assembly. The supporting plate 22 is arranged on the feeding box body 21 through the sliding rail assembly. The fixed plate 261 and the pushing plate 263 are provided with a sliding rail assembly therebetween. The fixed plate 261 is arranged on the fixed plate 261 through the sliding rail assembly. The introduction of the sliding rail assembly improves the stability and accuracy of the movement of the supporting plate 22 and the pushing plate 263.

[0050] In use, the central shafts located at the bottom plate 24 of the feeding box 21 are arranged in a row at an incline. One of the central shafts is positioned above the pusher plate 263. During feeding, the lifting device 262 is activated, pushing the pusher plate 263 upward. The pusher plate 263 pushes the central shaft above upward, causing it to pass the limiting channel between the two limiting plates 29 on the baffle 27. The central shaft pushed up by the pusher plate 263 rolls into the limiting channel and rolls towards the feeding plate 2122 via the inclined limiting plate 29, thus completing the feeding towards the feeding component 212. When feeding the central shaft in the direction of the processing equipment, the lifting device 2121 is started, pushing the feeding plate 2122 downward. When the pushing plate 263 moves downward, the central shaft in the limit channel rolls towards the feeding component 212 and is above the feeding plate 2122. Then the lifting device 2121 is started to move upward. The moving feeding plate 2122 pushes the central shaft above upward, so that the central shaft above the feeding plate 2122 can be pushed upward, thereby continuously feeding the machine body 1 so that the gripping device on the machine body 1 can grip the central shaft fed by the feeding component 2, ensuring that the machine body 1 can continuously perform automatic feeding.

[0051] When different lengths of central shafts need to be fed, the crank handle 253 can be turned. The crank handle 253 drives the rotating plate 252 to rotate, and the rotating plate 252 drives the ball screw 251 to rotate. When the ball screw 251 rotates, the ball nut on the ball screw 251 moves laterally linearly, thereby driving the support plate 22 to move linearly. When the support plate 22 moves linearly, the distance between the two support plates 22 can be adjusted, so that the equipment can feed central shafts of different lengths.

[0052] Turning the crank handle 21056 causes the rotating plate 2105 to rotate, which in turn causes the ball screw 2101 to rotate. When the ball screw 2101 rotates, the ball nut on the ball screw 2101 can move linearly. When the ball nut on the ball screw 2101 moves, it causes the moving plate 2102 to move. The moving frame plate 2103 moves the moving plate 2102 together. When the moving frame plate 2103 moves, it drives the adjusting rod 291 through the movable hole 2104 to move. When the adjusting rod 291 moves up and down, it rotates around the point where it is rotatably connected to the support plate 22, which can simultaneously adjust the angle of the two limiting plates 29 on the support plate 22. This allows the limiting plates 29 to be adjusted to different inclinations according to the size of the central shaft, ensuring that the central shaft can slide stably and orderly on the limiting plates 29.

[0053] The moving piece 11 drives the linear moving device two 113 to move horizontally through the linear moving device one 112, and then drives the moving rod one 114, the moving rod two 115 and the clamping jaw 116 to move horizontally, drives the moving rod one 114 and the moving rod two 115 to move vertically through the linear moving device two 113, and then drives the plurality of clamping jaws 116 to move vertically synchronously, drives the plurality of clamping jaws 116 to move vertically through the linear moving device one 112, so that the clamping jaw 116 can grab the shaft, moves the corresponding clamping jaw 116 above the feeding plate 2122, clamps the shaft fed by the feeding plate 2122 on the feeding piece 2, and sends the shaft to the positioning table in the machine body 1, after the shaft is placed on the positioning table, the driving device 117 drives the pressing frame plate 118 to move downward, the pressing frame plate 118 presses and positions the shaft on the positioning table below through the pressing block 119, avoids the shaft from moving during drilling and tapping, and ensures the stability during drilling and tapping, and the plurality of clamping jaws 116 can feed the shafts on the plurality of positioning tables progressively, so that the drilling and tapping machine can process the shafts in sequence according to the processing sequence.

[0054] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A fully automatic center axis numerical control drilling and tapping machine, characterized in that, The machine body (1) comprises drilling and tapping of the center shaft; The moving part (11) is arranged on the machine body (1) to grab and move the center shaft; The feeding part (2) is arranged on one side of the machine body (1) to continuously feed the moving part (11), and the feeding part (2) comprises an adjusting part (25) capable of feeding center shafts of different lengths.

2. The fully automatic center-drilling machine according to claim 1, wherein: The moving part (11) comprises a fixed frame (111), a linear moving device (112) is arranged on the fixed frame (111), a linear moving device (113) is arranged on the moving unit of the linear moving device (112), the linear moving device (112) is a horizontal device, the linear moving device (113) is a vertical device, a moving rod (114) is arranged on the moving unit of the linear moving device (113), a moving rod (115) is arranged at the lower end of the moving rod (114), a plurality of clamping jaws (116) for grabbing the center shaft are arranged at equal intervals on the moving rod (115), a fixing part is further arranged on the fixed frame (111), the fixing part comprises a driving device (117), a plurality of positioning tables for placing and processing the center shaft are arranged in the machine body (1), a plurality of driving devices (117) are arranged, and the plurality of driving devices (117) correspond to the plurality of positioning tables, respectively, a pressing frame plate (118) is arranged on the output shaft of the driving device (117), and a pressing block (119) for pressing and fixing the center shaft on the positioning table is arranged below the pressing frame plate (118).

3. The fully automatic center-drilling machine according to claim 1, wherein: The feeding part (2) comprises a feeding box (21), a fixed frame plate (211) is arranged on the feeding box (21), two supporting plates (22) are arranged on the feeding box (21), a baffle (27) is arranged on the fixed frame plate (211), one of the supporting plates (22) is provided with a bottom plate (24), and positioning plates (23) are arranged on the inner sides of the two supporting plates (22). The positioning plates (23) face the direction of the baffle (27), the feeding box (21) is provided with a feeding part (212) for pushing the center shaft to the equipment direction for feeding, and the baffle (27) is provided with a pushing part (26) for sending the center shaft at the position of the bottom plate (24) to the position of the feeding part (212).

4. The fully automatic center-drilling machine according to claim 3, wherein: The inner side of one end of the supporting plate (22) away from the bottom plate (24) is inclined to be provided with two limiting plates (29), the lower limiting plate (29) is provided with a bottom plate (28), and the limiting plates (29) are inclined to face the pushing part (26). The limiting channel for the center shaft is formed between the two limiting plates (29).

5. The fully automatic center-drilling machine according to claim 4, wherein: The pusher (26) comprises a fixed plate (261) provided with lifting equipment I (262), and an output shaft of the lifting equipment I (262) is provided with a pushing plate (263); the fixed plate (261) is arranged on the feeding box (21), the feeding box (21) is provided with a through hole, the pushing plate (263) is arranged in the through hole, and the pushing plate (263) is arranged at the low end of the inclined bottom plate I (24).

6. The fully automatic center-drilling machine according to claim 5, wherein: The feeding device (212) comprises lifting equipment II (2121), and an output end of the lifting equipment II (2121) is provided with a feeding plate (2122); the lifting equipment II (2121) is arranged on the fixed frame plate (211), and the feeding plate (2122) is arranged at the low end of the inclined bottom plate II (28).

7. The fully automatic center drilling and tapping machine according to claim 6, characterized in that: The two support plates (22) are movably arranged on the feeding box (21), the fixed frame plate (211) is provided with adjusting members I (25) for adjusting the positions of the support plates (22), the two adjusting members I (25) are arranged on the two sides of the fixed frame plate (211) respectively, and the two adjusting members I (25) are connected with the two support plates (22) respectively.

8. The fully automatic center-drilling machine according to claim 7, characterized in that: The limiting plate (29) is provided with an adjusting rod (291), one end of the limiting plate (29) away from the adjusting rod (291) is rotatably connected with the support plate (22), and the two sides of the fixed frame plate (211) are provided with adjusting members II (210) for adjusting the angles of the limiting plates (29); the two limiting plates (29) on the two support plates (22) are connected with the two adjusting members II (210) respectively.

9. The fully automatic center drilling and tapping machine according to claim 8, characterized in that: The support plate (22) is movably arranged on the feeding box (21) through the adjusting member I (25), the adjusting member I (25) comprises a ball screw I (251), the ball screw I (251) is provided with a ball nut, the support plate (22) is connected with the ball nut, and an outward end of the ball screw I (251) is provided with a rotating plate I (252); the rotating plate I (252) is provided with a handle I (253).

10. The fully automatic center-drilling machine according to claim 9, wherein: The adjusting member II (210) comprises a ball screw II (2101), the ball screw II (2101) is rotatably arranged on the support plate (22), the ball screw II (2101) is provided with a ball nut, the ball nut of the ball screw II (2101) is sleeved with a moving plate (2102), the moving plate (2102) is provided with a moving frame plate (2103), the moving frame plate (2103) is provided with two movable holes (2104), the support plate (22) is provided with two adjusting holes (221) corresponding to the adjusting rods (291), the adjusting rods (291) on the two limiting plates (29) pass through the two adjusting holes (221) and are arranged in the two movable holes (2104) respectively, and an upper end of the ball screw II (2101) is provided with a rotating plate II (2105); the rotating plate II (2105) is provided with a handle II (21056).

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