CN112440131A

CN112440131A - Drilling method based on stable deep hole drilling equipment

Info

Publication number: CN112440131A
Application number: CN201910832731.5A
Authority: CN
Inventors: 钟爱华
Original assignee: Zhangjiagang Ouwei Automation Research And Development Co ltd
Current assignee: Zhangjiagang Ouwei Automation Research And Development Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2021-03-05

Abstract

The invention discloses a drilling method based on stable deep hole drilling equipment, which comprises a frame; the drilling device comprises a clamp fixing device, a stable drilling device, an integral lifting device and a multi-shaft transmission device; the multi-shaft transmission device includes: the meshing transmission mechanism is connected with the friction transmission mechanism through a first transmission shaft. The fixture fixing device fixes the positions of workpieces with different diameters and lengths front, back, left and right, and adjusts the positions of the workpieces needing drilling to the positions corresponding to the stable drilling device; the multi-shaft transmission device stably transmits the rotating force to the stable drilling device through the friction transmission mechanism and the meshing transmission mechanism; the stable drilling device and the workpiece are fixed and accurate in position, and power is stably transmitted, so that drilling equipment can stably drill holes, and the perpendicularity of the drilled holes is guaranteed.

Description

Drilling method based on stable deep hole drilling equipment

Technical Field

The invention relates to the field of machining and drilling, in particular to a drilling method based on stable deep hole drilling equipment.

Background

Drilling machining of workpieces in the production process is a common machining procedure, drilling equipment in the prior art is various, and radial drilling on the inner wall of the workpiece for tubular workpieces with longer length and larger pipe diameter is always a machining difficulty in the field. The spindle box of the drilling equipment in the prior art is arranged on the stand column, the drill bit is driven to drill by the driving mode of the ball screw, and when the drilling equipment is used for drilling large-scale tubular workpieces, the relative position of the drilling equipment and the workpieces cannot be kept stable, so that the perpendicularity of the drilled holes cannot be guaranteed. Therefore, it is a technical problem to be solved urgently to provide a deep hole drilling equipment which can stably drill holes to ensure the verticality of the drilled holes.

Disclosure of Invention

The invention aims to provide stable deep hole drilling equipment to solve the technical problem that in the prior art, drilling is unstable and perpendicularity cannot be guaranteed.

The invention also aims to provide a drilling method for stabilizing the deep hole drilling equipment so as to ensure the stability and the perpendicularity of the drilled hole.

In order to achieve one of the purposes, the invention adopts the following technical scheme:

a stable deep hole drilling device comprises a frame; the fixture fixing device is arranged on the rack and used for fixing the workpiece; the stable drilling device is arranged right above the clamp fixing device; multiaxis transmission, multiaxis transmission set up in stable drilling equipment one side, and multiaxis transmission and stable drilling equipment are connected perpendicularly, and multiaxis transmission includes: the meshing transmission mechanism is vertically connected with the stable drilling device; the friction transmission mechanism and the meshing transmission mechanism are arranged in parallel; the meshing transmission mechanism is connected with the friction transmission mechanism through the first transmission shaft; the integral lifting device is connected with the friction transmission mechanism.

Preferably, the friction drive mechanism includes: the first motor is horizontally arranged; the small belt wheel is fixedly connected with the output end of the first motor; the large belt wheel is arranged right above the small belt wheel and is vertically connected with the first transmission shaft; the large belt wheel is connected with the small belt wheel through the V-shaped belt.

Preferably, the meshing transmission mechanism includes: the limiting bearing is vertically connected with the first transmission shaft; the pinion is vertically connected with the first transmission shaft and arranged in the middle of the limiting bearing; the large gear is arranged right below the small gear and is meshed with the small gear; and one end of the second transmission shaft is vertically connected with the large gear, and the other end of the second transmission shaft is connected with the clamp fixing device.

Preferably, the stable drilling device comprises: one end of the horizontal power mechanism is connected with the meshing transmission mechanism; the upper end of the vertical drilling mechanism is in meshed connection with the other end of the horizontal power mechanism.

More preferably, the horizontal power mechanism comprises: one end of the third transmission shaft is connected with the meshing mechanism in a matching way; the first conical tooth is vertically connected with the other end of the third transmission shaft, and the first conical tooth is meshed with the vertical drilling mechanism; and the bearing sleeve, the third transmission shaft and the first conical tooth are vertically connected through the bearing sleeve.

More preferably, the horizontal power mechanism further comprises: the fixed sleeve is arranged on the outer side of the third transmission shaft and is in threaded connection with the meshing mechanism; the limiting sleeve is arranged on the inner side of the fixed sleeve and the outer side of the third transmission shaft, and one end of the limiting sleeve is provided with a bend extending outwards; and the limiting sleeve is connected with the third transmission shaft through the deep groove ball bearing.

More preferably, the vertical drilling mechanism comprises: the fourth transmission shaft is arranged at the center of the vertical drilling mechanism and is vertical to the fixture fixing device; the outer shaft is arranged on the outer side of the fourth transmission shaft, and an inverted cone-shaped opening is formed in the center of the upper end of the outer shaft; the fastener is conical, the lower end of the fastener is in threaded connection with the upper end of the fourth transmission shaft, and the outer side of the fastener is attached to the inner side of the outer shaft at the inverted cone-shaped opening; and the second conical teeth are horizontally arranged on the outer side of the middle part of the outer shaft and meshed with the horizontal power mechanism.

More preferably, the vertical drilling mechanism further comprises: the end piece is fixedly connected with the lower end of the fourth transmission shaft, and a rotating handle is arranged on the side wall of the end piece; the cutter, cutter and end piece lower extreme threaded connection, twist grip is used for controlling the centre gripping of end piece lower extreme to the cutter and releases.

Preferably, the jig fixing device includes: the diameter adjusting block is arranged right below the stable drilling device, a U-shaped hole is formed in the middle of the diameter adjusting block, and a threaded hole is formed in the diameter adjusting block; the length adjusting blocks are arranged on two sides of the diameter adjusting block and are vertically connected, and adjusting nuts are arranged on the length adjusting blocks; the Y-direction adjusting mechanism is arranged below the diameter adjusting block and is vertically connected with the diameter adjusting block, and the Y-direction adjusting mechanism and the length adjusting block are arranged in parallel; the X-direction adjusting mechanism is arranged right below the Y-direction adjusting mechanism and is arranged in parallel with the diameter adjusting block;

preferably, the integral lifting device comprises: a base; the second motor is arranged on the outer side of the base; the speed reducer is arranged at the lower end of the base, and the second motor and the speed reducer are integrated; the screw rod is arranged above the base and is vertically connected with the base; the speed reducer is fixedly connected with the lower end of the screw rod through the coupler; the upper end of the screw rod is fixedly connected with the base through the bearing block; the ball sliding table is arranged on the screw rod and is connected with the friction transmission mechanism; and the guide rail is arranged in the ball sliding table and outside the middle part of the screw rod.

Preferably, the frame is made of steel casting, and cement is arranged at the position of the hollow shell of the frame.

Preferably, the drilling apparatus employs a PLC control system.

In order to achieve the second purpose, the application adopts the following technical scheme:

a drilling method based on stable deep hole drilling equipment comprises the following steps:

fixing: placing a workpiece in a U-shaped hole in the middle of a diameter adjusting block, and adjusting the distance between the diameter adjusting blocks to clamp the workpiece front and back; the adjusting nut on the length adjusting block is matched and connected with the threaded hole on the diameter adjusting block, so that the distance between the length adjusting blocks is equal to the length of the workpiece, and the workpiece is clamped leftwards and rightwards; the position of the workpiece is adjusted through the X-direction adjusting mechanism and the Y-direction adjusting mechanism, so that the cutter is positioned right above the position of the workpiece needing drilling;

transmission: the first motor works, the small belt wheel rotates at a high speed under the action of friction force, the small gear is driven to rotate at a high speed through the first transmission shaft, and the large gear meshed with the small gear is driven to rotate at a high speed to enable the second transmission shaft to rotate at a high speed; the third transmission shaft rotates at a high speed under the action of the second transmission shaft to drive the first conical teeth to rotate at a high speed in the vertical direction, so that the third transmission shaft is forced to be meshed with the first conical teeth to rotate the second conical teeth at a high speed, and the rotating force in the vertical direction is transmitted to the horizontal direction, so that the fourth transmission shaft and the cutter rotate at a high speed in the horizontal direction;

drilling: the second motor works, the screw rod is rotated through the speed reducer, the ball sliding table is driven to be matched with the guide rail to move downwards, the stable drilling device is made to move downwards, the cutter rotates downwards at a high speed, and a workpiece is drilled.

Has the advantages that:

the beneficial effects are that: the multi-shaft transmission device comprises a friction transmission mechanism and an engagement transmission mechanism, wherein the friction transmission mechanism comprises a small belt wheel and a large belt wheel which are connected through a V-shaped belt, the small belt wheel is connected with a first motor, the large belt wheel and the small belt wheel are in friction transmission through the V-shaped belt, and the V-shaped belt slips when the friction is too large, so that the motor is protected. The V-arrangement area skids when the lathe card bed to can't produce the influence to the motion of little band pulley, prevent that the motor from burning out, standby bed reconversion back motor function as usual, thereby guarantee drilling equipment's stability and punch.

The beneficial effects are that: this application meshing transmission includes intermeshing's gear wheel, pinion, through setting up pinion and friction drive mechanism coaxial coupling, the pinion drives the gear wheel transmission, makes the high speed that comes from the transmission of friction drive mechanism reduce in big gear department speed, but does not reduce from the transmission power that friction drive mechanism transmitted and comes to realize the steady rotation of second transmission shaft, with power transmission to stabilizing drilling equipment, realize stably punching.

The beneficial effects are three: this application is through setting up the toper fastener, the back taper opening of fastener and outer epaxial end is closely laminated, fastener lower extreme and fourth transmission shaft threaded connection, under screw thread and conical cooperation, the connection of fastener and fourth transmission shaft is more firm, the laminating of fastener and outer axle is more inseparable, thereby firmly fix the position of fourth transmission shaft, the cutter that makes through end piece and fourth transmission shaft connection keeps the rigidity when high-speed rotation, keep perpendicularly with the work piece all the time, thereby guarantee the straightness that hangs down of drilling.

The fixture fixing device is arranged, the diameter adjusting block is fixed according to the diameter of the workpiece, and the length adjusting block is fixed according to the length of the workpiece, so that the workpiece is fixed stably; the X-direction adjusting mechanism and the Y-direction adjusting mechanism adjust the position of the workpiece in all directions, so that the position of the workpiece needing to be punched corresponds to the stable drilling device, and the workpiece is always kept relatively vertical in the punching process, thereby ensuring the punching verticality.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front view of a stabilized deep hole drilling apparatus of the present invention.

Fig. 2 is a top view of a stabilized deep hole drilling apparatus of the present invention.

Fig. 3 is a side view of a stabilized deep hole drilling apparatus of the present application.

Fig. 4 is a front sectional view of the multi-shaft transmission of the present application.

Fig. 5 is a front view of the multi-shaft transmission of the present application.

FIG. 6 is a front cross-sectional view of the stabilized drilling apparatus of the present application.

FIG. 7 is a top view of the stabilized drilling apparatus of the present application.

FIG. 8 is a side cross-sectional view of the stabilized drilling apparatus of the present application.

Figure 9 is a front cross-sectional view of the clip securing apparatus of the present application.

Figure 10 is a top view of the clip securing apparatus of the present application.

Fig. 11 is a front view of the lifting device as a whole according to the present application.

Fig. 12 is a side cross-sectional view of the integrated lift device of the present application.

In the attached drawings

1. Frame 2, multi-shaft transmission device 3 and stable drilling device

4. Fixture fixing device 5, integral lifting device 6 and second motor

7. Base 8, ball sliding table 9 and coupling

10. Guide rail 11, screw rod 12 and speed reducer

13. Bearing seat 14, first motor 15 and small belt pulley

16. V-belt 17, large belt wheel 18, first transmission shaft

19. Case 20, second transmission shaft 21 and large gear

22. Pinion 23, limit bearing 24, fixed sleeve

25. Third transmission shaft 26, deep groove ball bearing 27 and limiting sleeve

28. Bearing sleeve 29, first conical tooth 30 and fastener

31. Second conical tooth 32, fourth transmission shaft 33 and end piece

34. Cutter 35, length adjusting block 36, diameter adjusting block

37. X-direction adjusting mechanism 38, Y-direction adjusting mechanism 39, and workpiece

40. Fixed base 41, outer shaft

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

As shown in fig. 1-3, a stable deep hole drilling apparatus includes a frame 1; the fixture fixing device 4 is arranged on the rack 1, and the fixture fixing device 4 is used for fixing the workpiece 39; the stable drilling device 3 is arranged right above the clamp fixing device 4, and the stable drilling device 3 is used for stably drilling; multiaxis transmission 2, multiaxis transmission 2 set up in 3 one sides of stable drilling equipment, and multiaxis transmission 2 is connected with stable drilling equipment 3 is perpendicular, and multiaxis transmission 2 is used for steadily transmitting the revolving force, and multiaxis transmission 2 includes: the meshing transmission mechanism is vertically connected with the stable drilling device 3; the friction transmission mechanism and the meshing transmission mechanism are arranged in parallel; the first transmission shaft 18, the engagement transmission mechanism is connected with the friction transmission mechanism through the first transmission shaft 18; the integral lifting device 5 is connected with the friction transmission mechanism 5. The frame 1 is a steel casting, cement is arranged at the empty shell position of the frame 1, and the frame 1 is used for improving the stability of drilling equipment; the drilling equipment adopts a PLC control system.

In the present invention, the jig fixing device 4 fixes the positions of the workpieces 39 of different diameters and different lengths in front, rear, left, and right directions, and adjusts the positions of the workpieces 39 requiring drilling to the positions corresponding to the stable drilling device 3. The multi-shaft transmission device 2 stably transmits the rotating force to the stable drilling device 3 through the friction transmission mechanism and the meshing transmission mechanism, the friction transmission mechanism utilizes friction force for transmission, the influence on the friction transmission mechanism is small when the meshing transmission mechanism breaks down, and the friction transmission mechanism where the power source is located can be guaranteed to keep stable transmission. The stable drilling device 3 is connected with the meshing transmission mechanism, the position is fixed, and the transmission is stable. The stable drilling device 3 and the workpiece 39 are fixed and accurate in position, and power is stably transmitted, so that the drilling equipment can stably drill holes, and the perpendicularity of the drilled holes is guaranteed. According to the invention, the rack 1 is made of steel casting, and cement is arranged at the empty shell position of the rack 1, so that the weight of the rack 1 is increased, the integral stability of the rack 1 is kept, and the drilling equipment can stably drill holes.

As shown in fig. 4 and 5, the friction drive mechanism includes: the first motor 14, the first motor 14 sets up horizontally; the small belt wheel 15, the small belt wheel 15 and the output end of the first motor 14 are fixedly connected; the large belt wheel 17 is arranged right above the small belt wheel 15, and the large belt wheel 17 is vertically connected with the left end of the first transmission shaft 18; the V-belt 16 and the large pulley 17 are connected by the V-belt 16 and the small pulley 15. The meshing transmission mechanism includes: the limiting bearing 23 is vertically connected with the first transmission shaft 18; the pinion 22, the pinion 22 is vertically connected with the right end of the first transmission shaft 18, and the pinion 22 is arranged in the middle of the limit bearing 23; the large gear 21 is arranged right below the small gear 22, and the large gear 21 is meshed with the small gear 22; and the left end of the second transmission shaft 20 is vertically connected with the large gear 21 through a pin key, and the right end of the second transmission shaft 20 is connected with the fixture fixing device 4. The multi-shaft transmission device 2 is further provided with a casing 19, the first motor 14 is located on the outer side of the left end of the casing 19, the small belt wheel 15, the large belt wheel 17, the small gear 22 and the large gear 21 are all arranged in the casing 19, the right end of the casing 19 is connected with the second transmission shaft 20 through a bearing, and the rear end of the casing 19 is connected with the integral lifting device 5.

When the electric power transmission device works, the first motor 14 drives the small belt wheel 15 to rotate at a high speed, the large belt wheel 17 is driven to rotate at a high speed through the friction force of the V-shaped belt 16, the small gear 22 coaxial with the large belt wheel 17 rotates at a high speed and drives the large gear 21 to rotate, and the rotating speed of the large gear 21 is low because the diameter of the large gear 21 is larger than that of the small gear 22, but the rotating force transmitted from the small gear 22 is not reduced, so that the large gear 21 drives the second transmission shaft 20 to rotate stably. Meanwhile, as the small belt wheel 15 and the large belt wheel 17 are in friction transmission, when the machine tool is clamped, the rotation speed of the large belt wheel 17 cannot influence the rotation of the small belt wheel 15 and the first motor 14, so that the first motor 14 is prevented from being burnt out, and when the machine tool is restored to the original state, the multi-shaft transmission device 2 restores to stable transmission, so that the drilling equipment stably works.

As shown in fig. 6 to 8, the stable drilling apparatus 3 includes: one end of the horizontal power mechanism is connected with the horizontal power mechanism; the upper end of the vertical drilling mechanism is in meshed connection with the other end of the horizontal power mechanism. The horizontal power mechanism comprises: the left end of the third transmission shaft 25 is connected with the second transmission shaft 20 in a plum spline and over fit mode, the second transmission shaft 20 stably transmits the rotating force to the third transmission shaft 25, and the damage to the third transmission shaft 25 is reduced; the left end of the first conical tooth 29 is vertically connected with the right end of the third transmission shaft 25, and the right end of the first conical tooth 29 is meshed with the vertical drilling mechanism; the bearing sleeve 28, the third transmission shaft 25 and the first conical tooth 29 are vertically connected through the bearing sleeve 28; the fixed sleeve 24 is arranged on the outer side of the third transmission shaft 25, the fixed sleeve 24 is in threaded connection with the second transmission shaft 20, the fixed sleeve 24 is used for tightly connecting the multi-shaft transmission device 2 and the stable drilling device 3 in a matched manner, so that the stable drilling device 3 and the multi-shaft transmission device 2 can move up and down together; the limiting sleeve 27 is arranged on the inner side of the fixed sleeve 24 and the outer side of the third transmission shaft 25, one end of the limiting sleeve 27 is provided with a bend extending outwards, the bent part is attached to the inner wall of the fixed sleeve 24, and the position of the limiting sleeve 27 is fixed; the deep groove ball bearing 26 and the limiting sleeve 27 are connected with the third transmission shaft 25 through the deep groove ball bearing 26, the position of the third transmission shaft 25 is fixed through the limiting sleeve 27, the third transmission shaft 25 can rotate stably, and the third transmission shaft and the vertical drilling mechanism are meshed to keep tight and stable, so that stable connection and stable transmission of the transmission shafts are achieved.

As shown in fig. 6 to 8, the vertical drilling mechanism includes: a fourth transmission shaft 32, wherein the fourth transmission shaft 32 is arranged at the central part of the vertical drilling mechanism, and the fourth transmission shaft 32 is vertical to the fixture fixing device 4; the outer shaft 41, the outer shaft 41 is set up in the fourth drive shaft 32 outside, the upper end central position of the outer shaft 41 has openings of back taper; the fastener 30 is conical, the lower end of the fastener 30 is in threaded connection with the upper end of the fourth transmission shaft 32, and the outer side of the fastener 30 is attached to the inner side of the outer shaft 41 at the inverted cone-shaped opening; the second conical teeth 31 are horizontally arranged on the outer side of the middle part of the outer shaft 41, and the second conical teeth 31 are meshed with the first conical teeth 29; the lower ends of the end piece 33, the end piece 33 and the fourth transmission shaft 32 are fixedly connected, and a rotating handle is arranged on the side wall of the end piece 33; the lower ends of the cutter 34, the cutter 34 and the end piece 33 are in threaded connection, and a rotary handle is used for controlling the clamping and releasing of the lower end of the end piece 33 to the cutter 34.

When the transmission mechanism works, the third transmission shaft 25 connected with the second transmission shaft 20 rotates at a high speed, and under the action of the fixed sleeve 24 and the limiting sleeve 27, the third transmission shaft 25 rotates stably to drive the first conical teeth 29 to rotate vertically in the vertical direction; the second conical teeth 31 engaged with the first conical teeth 29 horizontally rotate, and drive the fourth transmission shaft 32 and the cutter 34 to horizontally rotate. The upper end of the fourth transmission shaft 32 is in threaded connection with the fastener 30, the fastener 30 is in conical fit with the inverted cone-shaped opening at the upper end of the outer shaft 41, so that the fourth transmission shaft 32 is combined with the fixing part and the outer shaft 41 more tightly in the rotating process, the position of the fourth transmission shaft 32 is fixed, and the fourth transmission shaft 32 and the cutter 34 are always kept vertical. On the basis of stable transmission of the multi-shaft transmission device 2, the position of the cutter 34 is kept unchanged and stably rotates, so that the perpendicularity of drilling is improved. By arranging the end piece 33 and the rotating handle, the rotating handle controls the end piece 33 to clamp and release the cutter 34, so that the cutter 34 can be detached and replaced, and the drilling equipment can machine workpieces 39 with different drilling requirements.

As shown in fig. 9 and 10, the jig fixing device 4 includes: the diameter adjusting block 36 is arranged right below the cutter 34, a U-shaped hole is formed in the middle of the diameter adjusting block 36, and a threaded hole is formed in the diameter adjusting block 36; the length adjusting block 35 is arranged on two sides of the diameter adjusting block 36, the length adjusting block 35 is vertically connected with the diameter adjusting block 36, and an adjusting nut is arranged on the length adjusting block 35; a Y-direction adjusting mechanism 38, the Y-direction adjusting mechanism 38 being disposed below the diameter adjusting block 36, the Y-direction adjusting mechanism 38 being vertically connected to the diameter adjusting block 36, the Y-direction adjusting mechanism 38 being disposed in parallel with the length adjusting block 35; an X-direction adjusting mechanism 37, the X-direction adjusting mechanism 37 being provided directly below the Y-direction adjusting mechanism 38, the X-direction adjusting mechanism 37 being provided in parallel with the diameter adjusting block 36, and a fixing table 40 being provided directly below the X-direction adjusting mechanism 37.

In operation, the diameter adjusting block 36 is fixed according to the diameter of the workpiece 39, and the length adjusting block 35 is fixed according to the length of the workpiece 39, so that the workpiece 39 is fixed and stable; the X-direction adjusting mechanism 37 and the Y-direction adjusting mechanism 38 adjust the position of the workpiece 39 in the front, back, left and right directions, so that the position of the workpiece 39 needing to be punched corresponds to the stable drilling device 3, and the workpiece is always kept relatively vertical in the punching process, thereby ensuring the punching perpendicularity.

As shown in fig. 11 and 12, the integral lift device 5 includes: a base 7; the second motor 6, the second motor 6 is set up in the outside of the base 7; the speed reducer 12, the speed reducer 12 is set up in the underpart of the base 7, the second electrical machinery 6 and speed reducer 12 are an organic whole; the screw rod 11 is arranged above the base 7, and the screw rod 11 is vertically connected with the base 7; the coupler 9 and the speed reducer 12 are fixedly connected with the lower end of the screw rod 11 through the coupler 9; the upper end of the screw rod 11 is fixedly connected with the base 7 through the bearing block 13; the ball sliding table 8 is arranged on the screw rod 11, and the ball sliding table 8 is connected with the shell 19; and the guide rail 10 is arranged in the ball sliding table 8 and outside the middle part of the screw rod 11.

During operation, the second motor 6 rotates to drive the speed reducer 12 and the screw rod 11 to rotate, and the ball sliding table 8 matched with the screw rod 11 moves up and down under the rotation of the screw rod 11, so that the multi-shaft transmission device 2 connected with the ball sliding table 8 is driven to move up and down, the stable drilling device 3 is driven to move up and down, and finally the up-and-down drilling of the cutter 34 is realized.

fixing: placing the workpiece 39 in a U-shaped hole in the middle of the diameter adjusting block 36, and adjusting the distance between the diameter adjusting blocks 36 to clamp the workpiece 39 back and forth; the adjusting nut on the length adjusting block 35 is matched and connected with the threaded hole on the diameter adjusting block 36, so that the distance between the length adjusting blocks 35 is equal to the length of the workpiece 39, and the workpiece 39 is clamped left and right; the position of the workpiece 39 is adjusted by the X-direction adjusting mechanism 37 and the Y-direction adjusting mechanism 38, so that the cutter 34 is positioned right above the position of the workpiece 39 needing to be drilled;

transmission: the first motor 14 works, the small belt wheel 15 rotates at a high speed, the large belt wheel 17 rotates at a high speed under the action of friction force, the first transmission shaft 18 drives the small gear 22 to rotate at a high speed, and the large gear 21 meshed with the small gear 22 is driven to rotate at a high speed, so that the second transmission shaft 20 rotates at a high speed; the third transmission shaft 25 rotates at a high speed under the action of the second transmission shaft 20 to drive the first conical teeth 29 to rotate at a high speed in the vertical direction, so that the third transmission shaft is forced to be meshed with the first conical teeth 29 to rotate the horizontal second conical teeth 31 at a high speed, the vertical rotating force is transmitted to the horizontal direction, and the fourth transmission shaft 32 and the cutter 34 rotate at a high speed in the horizontal direction;

drilling: the second motor 6 works, the screw rod 11 is rotated through the speed reducer 12, the ball sliding table 8 is driven to be matched with the guide rail 10 to move downwards, the stable drilling device 3 is made to move downwards, the cutter 34 rotates downwards at a high speed, and a workpiece 39 is drilled.

Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.

Claims

1. A drilling method based on stable deep hole drilling equipment is characterized by comprising the following steps: