Drilling equipment for metal casting production and machining

Abstract

The invention discloses drilling equipment for production and processing of metal castings, which comprises a mounting group frame, a casting clamping assembly is mounted on the mounting group frame through a position moving assembly, the position moving assembly is used for moving the position of the casting clamping assembly, and the casting clamping assembly is used for clamping and fixing the metal castings; an angle adjusting assembly is further installed on the installation assembly frame, a drilling assembly is installed on the angle adjusting assembly, the angle adjusting assembly is used for angle adjustment of the drilling assembly relative to the metal casting, and the drilling assembly is used for drilling of the metal assembly. Precise adjustment of the casting in the horizontal direction can be achieved, it is ensured that the position to be drilled is accurately aligned to the position below the drilling assembly, the machining positioning accuracy is improved, the horizontal rotating angle of the drilling assembly is accurately controlled, the drilling requirements of different angles are met, the cooling system is reasonable in design, the drill bit is effectively cooled, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile camshaft detection, and particularly relates to a drilling equipment for metal casting production and machining. BACKGROUND

[0002] In the industrial fields of mechanical manufacturing, automobile parts, aerospace, etc., metal castings, as key basic components, directly affect the performance and reliability of the whole machine. Drilling is one of the core processes in the production process of metal castings, mainly used for realizing the assembly connection, oil passage conduction, weight reduction, etc. of the castings, and has strict requirements on processing efficiency, hole position accuracy and surface quality.

[0003] Traditional metal casting drilling is mostly completed by using a general drilling machine or manually holding a drilling tool, but there are many limitations in actual production, for example, the position and angle adjustment are limited, the moving precision of the workbench of the general equipment is low, and it is difficult to realize accurate positioning of the castings. At the same time, the drilling angle is mostly fixed in the vertical direction, which cannot meet the processing requirements of complex structures such as inclined holes and oblique holes. For castings that need multi-angle drilling, multiple clamping and adjustment are required, which not only is low in efficiency, but also easily causes the processing accuracy to decrease due to repeated positioning errors. At the same time, the cooling and chip removal effect is poor: during drilling, a large amount of heat is generated by the friction between the drill bit and the casting, and if cooling is not timely, the drill bit will be severely worn, the service life will be shortened, and even the workpiece will be deformed due to annealing. The traditional cooling method is mostly external spraying, and the cooling medium is difficult to accurately act on the drilling area, and the chips are easy to accumulate in the hole, causing problems such as drill jamming and scratching, which affect the processing surface quality.

[0004] Therefore, we propose a drilling equipment for metal casting production and machining to solve the above problems. SUMMARY

[0005] The present application aims to solve the problems in the prior art and proposes a drilling equipment for metal casting production and machining.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] A drilling equipment for metal casting production and machining, comprising a mounting group frame, a casting clamping assembly is mounted on the mounting group frame through a position moving assembly, the position moving assembly is used for moving the position of the casting clamping assembly, and the casting clamping assembly is used for clamping and fixing the metal casting.

[0008] An angle adjusting assembly is also mounted on the mounting group frame, a drilling assembly is mounted on the angle adjusting assembly, the angle adjusting assembly is used for adjusting the angle of the drilling assembly relative to the metal casting, and the drilling assembly is used for drilling the metal assembly.

[0009] The position moving assembly comprises an extension assembly frame and a first driving motor, the first driving motor is arranged on the mounting assembly frame, a first threaded rod is arranged on the output shaft of the first driving motor, and the extension assembly frame is arranged on the first threaded rod.

[0010] The extension assembly frame comprises a threaded pushing plate, the threaded pushing plate is arranged on the first threaded rod, a moving plate is arranged on the threaded pushing plate through an extension rod, the moving plate is slidably connected to the mounting assembly frame, and the moving plate is arranged on the side of the threaded pushing plate away from the first driving motor.

[0011] The casting clamping assembly comprises two upper clamping plates arranged symmetrically, the upper clamping plates are fixedly arranged on the position moving assembly, a plurality of transverse connecting columns are arranged between the two upper clamping plates, a fixed truss is arranged between the two parallel transverse connecting columns, a second threaded rod is arranged on the fixed truss, a rotating handle is fixedly connected to the upper end of the second threaded rod, two lower clamping plates are symmetrically arranged on the second threaded rod through a connecting assembly frame, clamping grooves are arranged on the upper clamping plates and the lower clamping plates, and anti-skid lines are arranged on the inner walls of the clamping grooves.

[0012] The connecting assembly comprises two connecting trusses arranged symmetrically, the upper connecting truss is threadedly connected to the second threaded rod, the two connecting trusses are connected through guide columns, and the guide columns pass through the fixed truss.

[0013] The angle adjusting assembly comprises a limiting plate, the limiting plate is fixedly connected to the mounting assembly frame, a second driving motor is arranged on the mounting assembly frame, a rotating base is arranged on the output end of the second driving motor in sequence and passes through the mounting assembly frame and the limiting plate, the rotating base is connected to the limiting plate through a limiting guide assembly, a locking seat is arranged on the rotating base, a locking cylinder is vertically arranged in the locking seat, a rotating shaft is arranged in the locking cylinder through a bearing, a coupling is arranged on the upper end of the rotating shaft, and the drilling assembly is arranged on the lower end of the rotating shaft.

[0014] The limiting plate comprises an arc-shaped scale plate and a limiting guide plate, the limiting guide plate is fixedly connected to the mounting assembly frame, the arc-shaped scale plate is arranged on the side of the limiting guide plate away from the mounting assembly frame, an indicating needle is arranged on the side of the rotating base close to the arc-shaped scale plate, and an angle scale line is arranged on the arc-shaped scale plate.

[0015] In the metal casting production and processing drilling equipment, the limiting guide assembly includes a limiting column, and the limiting column is arranged on the rotating base, an arc-shaped guide hole is formed in the limiting guide plate, the center of the arc-shaped guide hole is located on the axis of the second driving motor output shaft, and the limiting column is located in the arc-shaped guide hole, a limiting disc is arranged on the limiting column, and the limiting disc is arranged on both sides of the limiting guide plate.

[0016] In the metal casting production and processing drilling equipment, the drilling assembly includes a base seat, a drilling execution member is arranged at the lower end of the base seat, a buffer cylinder is arranged in the base seat, the buffer cylinder is communicated with the drilling execution member, a resisting communication member is arranged between the buffer cylinder and the drilling execution member, a material guide pipe is communicated with the side wall of the buffer cylinder, the material guide pipe penetrates through the base seat and extends outward, and a one-way valve is arranged in the material guide pipe.

[0017] In the metal casting production and processing drilling equipment, a chamfer groove one is formed in the lower end of the buffer cylinder, a chamfer groove two is formed in the drilling execution member, and the buffer cylinder and the drilling execution member are communicated through the chamfer groove one and the chamfer groove two.

[0018] The drilling execution member includes a drill clamping ring, a communication cylinder is communicated with the lower end of the drill clamping ring, the chamfer groove two is formed in the upper end of the communication cylinder, the resisting communication member is arranged in the communication cylinder and the buffer cylinder, a drill bit is communicated with the lower end of the communication cylinder, a cooling channel is formed in the drill bit and communicated with the communication cylinder, and a plurality of cooling holes 35 are symmetrically formed in the lower end of the drill bit, and each cooling hole 35 is communicated with the cooling channel.

[0019] Compared with the prior art, the metal casting production and processing drilling equipment has the following beneficial effects:

[0020] 1. The casting is clamped stably and reliably, the upper clamping plate and the lower clamping plate are matched to clamp, the anti-skid lines in the clamping groove enhance the friction, effectively avoid the sliding of the casting during processing, ensure the drilling precision, the position moving assembly can realize the accurate adjustment of the casting in the horizontal direction, ensure that the position to be drilled is accurately aligned below the drilling assembly, and improve the positioning accuracy.

[0021] 2. The angle adjusting assembly can drive the rotating base to rotate through the second driving motor, the horizontal rotation angle of the drilling assembly can be accurately controlled through the angle scale line of the indicating needle and the arc-shaped scale plate, the drilling requirements of different angles can be met, and the application range is wide.

[0022] 3. The drilling execution member adopts the buckle type mounting design of the drill clamping ring and the annular mounting groove, different types of drill bits can be quickly replaced, the operation is convenient, and the equipment maintenance efficiency is improved.

[0023] 4. The cooling system is reasonably designed. The external cooling medium enters through the feed pipe, passes through the buffer cylinder and the connecting cylinder, and enters the cooling channel of the drill bit. It is sprayed out from the inclined cooling hole and acts directly on the drilling area, effectively cooling the drill bit and removing the chips, reducing drill bit wear and extending its service life. At the same time, the one-way valve prevents chips from flowing back and blocking the channel. The connecting part forms a connecting channel when the drilling actuator is installed in place, and achieves a seal when not installed. The ingenious structure ensures the normal operation of the cooling system.

[0024] In summary, this invention enables precise horizontal adjustment of castings, ensuring accurate alignment of the drilling position with the bottom of the drilling assembly, improving machining positioning accuracy, precisely controlling the horizontal rotation angle of the drilling assembly to meet drilling requirements at different angles, and featuring a rationally designed cooling system that effectively cools the drill bit and extends its service life. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a drilling device for metal casting production and processing proposed in this invention;

[0026] Figure 2 This is a schematic diagram of the structure of a drilling equipment for metal casting production and processing proposed in this invention after removing the angle adjustment component and the drilling component;

[0027] Figure 3 This is a schematic diagram of the position moving component and the casting clamping component in a drilling equipment for metal casting production and processing proposed in this invention;

[0028] Figure 4 This is a schematic diagram of the casting clamping assembly in a drilling device for metal casting production and processing proposed in this invention;

[0029] Figure 5 This is a schematic diagram of the angle adjustment component and the drilling component in a drilling equipment for metal casting production and processing proposed in this invention.

[0030] Figure 6 for Figure 5 A structural diagram from another perspective;

[0031] Figure 7 for Figure 6 A structural diagram from another perspective;

[0032] Figure 8 This is a schematic diagram of the drilling assembly in a drilling equipment for metal casting production and processing proposed in this invention;

[0033] Figure 9 This is a schematic diagram of the drilling assembly in a drilling equipment for metal casting production and processing proposed in this invention;

[0034] Figure 10A cross-sectional view of a drilling assembly of a metal casting production and processing drilling equipment according to the present application;

[0035] Figure 11 An enlarged view of the base seat part structure of a metal casting production and processing drilling equipment according to the present application;

[0036] Figure 12 An enlarged view of the drilling implement part structure of a metal casting production and processing drilling equipment according to the present application.

[0037] In the figure: 1, mounting group frame; 2, first drive motor; 3, first threaded rod; 4, indicator pin; 5, moving plate; 6, threaded push plate; 7, lower clamping plate; 8, connecting honing frame; 9, guide column; 10, upper clamping plate; 11, fixed truss; 12, second threaded rod; 13, transverse connecting column; 14, limit plate; 15, rotating base; 16, locking seat; 17, locking cylinder; 18, rotating shaft; 19, arc-shaped guide hole; 20, limit disc; 21, base seat; 22, second drive motor; 23, drilling implement; 24, buffer cylinder; 25, material guide pipe; 26, annular mounting groove; 27, first plug; 28, first movable rod; 29, first return spring; 30, first fixed flower stand; 31, second plug; 32, second return spring; 33, second fixed flower stand; 34, second movable rod; 35, cooling hole. DETAILED DESCRIPTION

[0038] The following examples are for illustrative purposes only and are not intended to limit the scope of the present application.

[0039] EMBODIMENT

[0040] REFERENCE Figures 1-12 A metal casting production and processing drilling equipment, comprising a mounting group frame 1, a casting clamping assembly is mounted on the mounting group frame 1 through a position moving assembly, the position moving assembly is used for moving the position of the casting clamping assembly, the position moving assembly comprises an extension group frame and a first drive motor 2, the first drive motor 2 is arranged on the mounting group frame 1, a first threaded rod 3 is arranged on the output shaft of the first drive motor 2, and the extension group frame is arranged on the first threaded rod 3 in a matched manner, and the casting clamping assembly is arranged on the extension group frame, the extension group frame comprises a threaded push plate 6, the threaded push plate 6 is arranged on the first threaded rod 3 in a matched manner, a moving plate 5 is arranged on the threaded push plate 6 through an extension rod, the moving plate 5 is slidably connected to the mounting group frame 1, and the moving plate 5 is arranged on the side of the threaded push plate 6 away from the first drive motor 2.

[0041] The casting clamping assembly is used for clamping and fixing metal castings, and comprises two upper clamping plates 10 arranged symmetrically and fixed on a position moving assembly, and a plurality of transverse connecting columns 13 connecting the two upper clamping plates 10, wherein a fixed truss 11 is jointly installed between two parallel transverse connecting columns 13, a second threaded rod 12 is installed on the fixed truss 11, a rotating handle is fixedly connected to the upper end of the second threaded rod 12, two lower clamping plates 7 are symmetrically installed on the second threaded rod 12 through a connecting assembly, and clamping grooves are formed in the upper clamping plates 10 and the lower clamping plates 7, and anti-skid lines are arranged on the inner walls of the clamping grooves, the connecting assembly comprises two connecting trusses 8 arranged symmetrically, the connecting truss 8 at the upper end is threadedly connected with the second threaded rod 12, the two connecting trusses 8 are connected through guide columns 9, and the guide columns 9 penetrate through the fixed truss 11.

[0042] An angle adjusting assembly is further installed on the mounting assembly 1, a drilling assembly is installed on the angle adjusting assembly, and the angle adjusting assembly is used for adjusting the angle of the drilling assembly relative to the metal castings, the angle adjusting assembly comprises a limiting plate 14 fixedly connected to the mounting assembly 1, a second driving motor 22 is installed on the mounting assembly 1, an output shaft of the second driving motor 22 penetrates through the mounting assembly 1 and the limiting plate 14 in sequence and is provided with a rotating base 15, the rotating base 15 is connected with the limiting plate 14 through a limiting guide assembly, the rotating base 15 is provided with a locking seat 16, a locking cylinder 17 is vertically installed in the locking seat 16, a rotating shaft 18 is installed in the locking cylinder 17 through a bearing, a coupling is installed at the upper end of the rotating shaft 18, and an external driving device can drive the rotating shaft 18 through the coupling to drive the drilling assembly to rotate at a high speed to realize drilling, the drilling assembly is installed at the lower end of the rotating shaft 18, a splash-proof cover (not shown in the figure) can be arranged on the outer side wall of the lower end of the rotating shaft 18, and the drilling assembly is arranged below the splash-proof cover.

[0043] The limiting plate 14 comprises an arc-shaped scale plate and a limiting guide plate, the limiting guide plate is fixedly connected to the mounting assembly 1, the arc-shaped scale plate is arranged on the side of the limiting guide plate away from the mounting assembly 1, an indicating needle 4 is installed on the side of the rotating base 15 close to the arc-shaped scale plate, and an angle scale line is arranged on the arc-shaped scale plate.

[0044] The limiting guide assembly comprises a limiting column, the limiting column is arranged on the rotating base 15, an arc-shaped guide hole 19 is formed in the limiting guide plate, the center of the arc-shaped guide hole 19 is located on the axis of the output shaft of the second driving motor 22, the limiting column is located in the arc-shaped guide hole 19, and a limiting disc 20 is arranged on the limiting column and abuts against the two sides of the limiting guide plate.

[0045] The drilling assembly is used for drilling of a metal assembly, and comprises a base seat 21, a drilling executor 23 mounted at a lower end of the base seat 21, specifically, an annular mounting groove 26 is formed at a lower end surface of the base seat 21, the drilling executor 23 is clamped in the annular mounting groove 26, a buffer cylinder 24 is arranged in the base seat 21, the buffer cylinder 24 is communicated with the drilling executor 23, a communication resistor is arranged between the buffer cylinder 24 and the drilling executor 23, a material guide pipe 25 is communicated with a side wall of the buffer cylinder 24 and extends outwardly through the base seat 21, a one-way valve is arranged in the material guide pipe 25 to prevent overflow of the cooling medium, when the cooling system is needed to be used, the cooling medium can be filled into the buffer cylinder 24 through the material guide pipe 25, the material guide pipe 25 does not affect the drilling operation when the drilling operation is performed, when the cooling system is not needed to be used, the filling of the cooling medium is not performed, and the normal use of the drilling assembly is not affected;

[0046] A chamfer groove one is formed at a lower end of the buffer cylinder 24, a chamfer groove two is formed at the drilling executor 23, and the buffer cylinder 24 and the drilling executor 23 are communicated through the chamfer groove one and the chamfer groove two;

[0047] The drilling executor 23 comprises a drill clamping ring 2303, the drill clamping ring 2303 is clamped in the annular mounting groove 26 and locked by a locking member, a communication cylinder 2302 is communicated with a lower end of the drill clamping ring 2303, the chamfer groove two is formed at an upper end of the communication cylinder 2302, the communication resistor is arranged in the communication cylinder 2302 and the buffer cylinder 24, a drill bit 2301 is communicated with a lower end of the communication cylinder 2302, a cooling channel is formed in the drill bit 2301 and communicated with the communication cylinder 2302, a plurality of cooling holes 35 are symmetrically formed at the lower end of the drill bit 2301, each of the cooling holes 35 is communicated with the cooling channel, and the cooling holes 35 are obliquely arranged;

[0048] The communication resistor comprises a first plug 27 and a second plug 31, the first plug 27 is fixedly connected with a first movable rod 28, an inner wall of the buffer cylinder 24 is fixedly connected with a first fixed flower stand 30, the first movable rod 28 is inserted in the first fixed flower stand 30, a first return spring 29 is sleeved on the first movable rod 28 and fixedly connected between the first plug 27 and the first fixed flower stand 30; the second plug 31 is fixedly connected with a second movable rod 34, an inner wall of the communication cylinder 2302 is fixedly connected with a second fixed flower stand 33, the second movable rod 34 is inserted in the second fixed flower stand 33, a second return spring 32 is sleeved on the second movable rod 34 and fixedly connected between the second plug 31 and the second fixed flower stand 33, end portions of the first plug 27 and the second plug 31 are chamfered, in a state that the drilling executor 23 is not connected with the base seat 21, the end portion of the first plug 27 is abutted in the chamfer groove one (as shown in FIG. 8), and the end portion of the second plug 31 is abutted in the chamfer groove two (as shown in FIG. 9); Figure 11 ​Figure 12 As shown in the figure, when the drilling implement 23 is installed in the base seat 21, the end face of the first plug 27 abuts against the end face of the second plug 31, a gap is formed between the first plug 27 and the chamfer groove one, and a gap is formed between the second plug 31 and the chamfer groove two.

[0049] The operator places the metal casting between the two lower clamping plates 7, rotates the rotating handle of the second threaded rod 12, drives the upper connecting truss 8 to move axially along the second threaded rod 12, and through the limiting action of the guide column 9, the two connecting trusses 8 synchronously drive the lower clamping plates 7 to move up and down, and cooperate with the upper clamping plate 10 to complete the clamping of the casting. The anti-skid pattern in the clamping groove enhances the friction force to prevent the casting from slipping during machining; then the first drive motor 2 is started to drive the first threaded rod 3 to rotate, and the threaded push plate 6 pushes the moving plate 5 to slide along the mounting group frame 1 through the extension rod, so as to realize the position adjustment of the casting in the horizontal direction and ensure that the position to be drilled is aligned below the drilling assembly.

[0050] When the drilling angle needs to be adjusted, the second drive motor 22 is started, the output shaft drives the rotating base 15 to rotate, the limiting column slides along the arc-shaped guide hole 19 of the limiting guide plate, the indicating needle 4 cooperates with the angle scale line of the arc-shaped scale plate to accurately control the horizontal rotation angle of the drilling assembly, and the limiting disc 20 abuts against the two sides of the limiting guide plate to ensure the stability during rotation. After the angle is determined, the rotating base 15 can be fixed in position through the locking assembly, thereby driving the drilling assembly to realize the adjustment of the drilling direction. The drilling implement 23 is clamped into the annular mounting groove 26 of the base seat 21 through the drill clamping ring 2303 to complete the rapid assembly. After the drilling implement 23 is started, the drill bit 2301 rotates at high speed to prepare for drilling.

[0051] It is worth noting that the external cooling medium enters the buffer cylinder 24 through the material guide pipe 25. When the drilling implement 23 is installed in place, the first plug 27 abuts against the second plug 31 and compresses the first return spring 29 and the second return spring 32, so that the chamfer groove one and the chamfer groove two form a communication channel. The cooling medium enters the cooling channel of the drill bit 2301 through the communication cylinder 2302, and is finally sprayed out of the inclined cooling hole 35 to directly act on the drilling area.

[0052] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes within the technical range disclosed by the present application according to the technical solution and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A drilling apparatus for producing and processing metal castings, comprising a mounting group frame (1), characterized in that: The position moving assembly is arranged on the mounting group frame (1) and is used for moving the position of the casting clamping assembly, and the casting clamping assembly is used for clamping and fixing the metal casting. The angle adjusting assembly is further arranged on the mounting group frame (1), the drilling assembly is arranged on the angle adjusting assembly, and the angle adjusting assembly is used for adjusting the angle of the drilling assembly relative to the metal casting.

2. A drilling apparatus for metal casting production processing according to claim 1, characterized in that: The position moving assembly comprises an extension group frame and a first driving motor (2), the first driving motor (2) is arranged on the mounting group frame (1), a first threaded rod (3) is arranged on the output shaft of the first driving motor (2), the extension group frame is arranged on the first threaded rod (3) in a matched mode, and the casting clamping assembly is arranged on the extension group frame.

3. A drilling apparatus for metal casting production processing according to claim 2, characterized in that: The extension group frame comprises a threaded pushing plate (6), the threaded pushing plate (6) is arranged on the first threaded rod (3) in a matched mode, a moving plate (5) is arranged on the threaded pushing plate (6) through an extension rod, the moving plate (5) is connected to the mounting group frame (1) in a sliding mode, and the moving plate (5) is arranged on the side, away from the first driving motor (2), of the threaded pushing plate (6).

4. The drilling apparatus for producing and processing metal castings according to claim 1, characterized in that: The casting clamping assembly comprises two upper clamping plates (10) arranged in a symmetrical mode, the upper clamping plates (10) are fixedly arranged on the position moving assembly, a plurality of transverse connecting columns (13) are arranged between the two upper clamping plates (10), a fixed truss (11) is arranged between two parallel transverse connecting columns (13), a second threaded rod (12) is arranged on the fixed truss (11), a rotating handle is fixedly connected to the upper end of the second threaded rod (12), two lower clamping plates (7) are arranged on the second threaded rod (12) through a connecting group frame in a symmetrical mode, clamping grooves are arranged on the upper clamping plates (10) and the lower clamping plates (7), and anti-skid lines are arranged on the inner walls of the clamping grooves.

5. A drilling apparatus for metal casting production processing according to claim 4, characterized in that: The connecting assembly comprises two connecting trusses (8) arranged in a symmetrical mode, the connecting trusses (8) at the upper end are threadedly connected to the second threaded rod (12), the connecting trusses (8) are connected through guide columns (9), and the guide columns (9) penetrate through the fixed truss (11).

6. A drilling apparatus for metal casting production processing according to claim 1, characterized in that: The angle adjusting assembly comprises a limiting plate (14), the limiting plate (14) is fixedly connected to the mounting group frame (1), a second driving motor (22) is arranged on the mounting group frame (1), a rotating base (15) is arranged on the output end of the second driving motor (22) in sequence and penetrates through the mounting group frame (1) and the limiting plate (14), the rotating base (15) is connected to the limiting plate (14) through a limiting and guiding assembly, a locking seat (16) is arranged on the rotating base (15), a locking cylinder (17) is arranged in the locking seat (16) in a vertical mode, a rotating shaft (18) is arranged in the locking cylinder (17) through a bearing, a coupling is arranged on the upper end of the rotating shaft (18), and the drilling assembly is arranged on the lower end of the rotating shaft (18).

7. A drilling apparatus for metal casting production processing according to claim 6, characterized in that: The limiting plate (14) comprises an arc-shaped scale plate and a limiting guide plate, the limiting guide plate is fixedly connected with the mounting group frame (1), the arc-shaped scale plate is arranged on the side of the limiting guide plate away from the mounting group frame (1), the rotating base (15) is provided with an indicating needle (4) on the side close to the arc-shaped scale plate, and the arc-shaped scale plate is provided with an angle scale line.

8. A drilling apparatus for metal casting production processing according to claim 7, characterized in that: The limiting guide assembly comprises a limiting column arranged on the rotating base (15), the limiting guide plate is provided with an arc-shaped guide hole (19), the center of the arc-shaped guide hole (19) is located on the axis of the output shaft of the second driving motor (22), and the limiting column is located in the arc-shaped guide hole (19).

9. The drilling apparatus for producing and processing metal castings according to claim 1, characterized in that: The drilling assembly comprises a base disc base (21), the lower end of the base disc base (21) is provided with a drilling executor (23), the base disc base (21) is provided with a buffer cylinder (24), the buffer cylinder (24) is communicated with the drilling executor (23), a resisting communication piece is arranged between the buffer cylinder (24) and the drilling executor (23), the side wall of the buffer cylinder (24) is communicated with a material guide pipe (25), the material guide pipe (25) penetrates through the base disc base (21) and extends outward, and the material guide pipe (25) is provided with a one-way valve.

10. A drilling apparatus for metal casting production processing according to claim 9, characterized in that: The lower end of the buffer cylinder (24) is provided with a chamfer groove one, the drilling executor (23) is provided with a chamfer groove two, and the buffer cylinder (24) and the drilling executor (23) are communicated through the chamfer groove one and the chamfer groove two; The drilling executor (23) comprises a drill clamping ring (2303), the lower end of the drill clamping ring (2303) is communicated with a communication cylinder (2302), the chamfer groove two is arranged at the upper end of the communication cylinder (2302), the resisting communication piece is arranged in the communication cylinder (2302) and the buffer cylinder (24), the lower end of the communication cylinder (2302) is communicated with a drill bit (2301), the drill bit (2301) is provided with a cooling channel, the cooling channel is communicated with the communication cylinder (2302), and the lower end of the drill bit (2301) is symmetrically provided with a plurality of cooling holes (35), and each cooling hole (35) is communicated with the cooling channel.

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