CN113664241B

CN113664241B - Automatic drilling device and using method

Info

Publication number: CN113664241B
Application number: CN202110994148.1A
Authority: CN
Inventors: 陈锋
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-05-10
Anticipated expiration: 2041-08-27
Also published as: CN113664241A

Abstract

The invention discloses an automatic drilling device, which comprises a base, wherein a first box body is fixedly installed at the top of the base, partition plates are fixedly installed on the inner walls of the front end and the rear end of the first box body, a first rotating shaft is arranged in the first box body, an accelerator and a speed reducer are respectively and fixedly installed at the left end and the right end of the first rotating shaft, a second rotating shaft which penetrates through the partition plates and is rotatably connected with the inner wall of the left end of the first box body is installed at the left end of the accelerator, a rotating drum is arranged on the right side of the speed reducer, a first limiting disc and a second limiting disc are installed at the left end and the right end of the rotating drum, and a third rotating shaft which is fixedly installed with the first limiting disc is installed at the right end of the speed reducer. The rotary drilling machine is simple in structure and easy and convenient to operate, the rotation angle and the displacement distance of the shaft body can be adjusted when the shaft body is drilled, so that the drill bit can drill holes which are spirally distributed at equal intervals on the surface of the shaft body, the machining efficiency is greatly improved, the machining cost is reduced, and the rotary drilling machine is simple, efficient, convenient and quick.

Description

Automatic drilling device and using method

Technical Field

The invention relates to the technical field of machine manufacturing, in particular to an automatic drilling device and a using method thereof.

Background

At present, a drilling machine refers to a machine tool that mainly uses a drill to machine a hole in a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed, a cutter does rotary motion, the existing drilling machine can only carry out single drilling, if holes which are spirally and equidistantly distributed are drilled on the surface of a shaft body, a multi-shaft linkage machining center is required, the machining cost is high by adopting the machining center, mass production cannot be carried out, and the efficiency is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an automatic drilling device which can adjust the rotation angle and the displacement distance of a shaft body when drilling the shaft body, so that a drill bit can drill holes which are spirally distributed at equal intervals on the surface of the shaft body, the machining efficiency is greatly improved, and the machining cost is reduced.

The invention adopts the technical scheme for solving the technical problems that: the automatic drilling device comprises a base, wherein a first box body is fixedly arranged at the top of the base, partition plates are fixedly arranged on the inner walls of the front end and the rear end of the first box body, a first rotating shaft is arranged in the first box body, an accelerator and a speed reducer are respectively fixedly arranged at the left end and the right end of the first rotating shaft, a second rotating shaft which penetrates through the partition plates and is rotatably connected with the inner wall of the left end of the first box body is arranged at the left end of the accelerator, a rotating drum is arranged at the right end of the speed reducer, a first limiting disc and a second limiting disc are arranged at the left end and the right end of the rotating drum, a third rotating shaft which is fixedly arranged on the right end of the speed reducer is arranged at the right end of the speed reducer, a fourth rotating shaft which is rotatably connected with the inner wall of the right end of the first box body is fixedly arranged on the second limiting disc, a first bevel gear is fixedly arranged on the outer side of the first rotating shaft, a second bevel gear is meshed with a second bevel gear, an input shaft which penetrates through the front end of the first box body is fixedly arranged at the center of the second bevel gear, fixed mounting has the protruding piece of hugging closely the rotary drum outside on the spacing dish of second, rotary drum outside sliding connection has the lifting disk, lifting disk outside fixed mounting has the lifter plate, fixed mounting has the third spring between lifting disk and the first spacing dish, first box top inner wall and bottom inner wall rotate and are connected with the fifth pivot that is located the rotary drum rear, fifth pivot outside fixed connection has the bull stick, the bull stick is kept away from rotary drum one end and is installed sector gear, the bull stick is close to rotary drum one end and rotates and be connected with the sixth pivot, sixth pivot bottom is rotated and is connected with and hugs closely the spacing dish of second and can be promoted by protruding piece's gyro wheel. The structure can be used for carrying out spiral drilling on the workpiece shaft, a machining center is not required, and the cost is greatly reduced.

In order to further improve the structure, a first gear positioned at the left side of the partition plate is fixedly installed at the outer side of the second rotating shaft, a seventh rotating shaft is connected with the inner wall of the left end of the first box body in a rotating manner, a second gear meshed with the first gear is fixedly installed at the outer side of the seventh rotating shaft, a first rack is meshed with the outer side of the sector gear, a first sleeve with the left end communicated with the outside is fixedly installed at the rear end of the first rack, an eighth rotating shaft with the left end passing through the partition plate and then rotatably connected with the inner wall of the left end of the first box body is slidably connected and rotatably connected with the inner wall of the left end of the first box body, a third gear positioned between the partition plate and the inner wall of the left end of the first box body and meshed with the second gear is fixedly installed at the outer side of the first sleeve, a pulling plate is fixedly installed at the outer side of the first sleeve, a first spring surrounding the eighth rotating shaft and the first sleeve are fixedly installed between the pulling plate and the partition plate, and a chute positioned inside of the first sleeve is arranged at the right end of the eighth rotating shaft, the rotary drilling machine is characterized in that the right end of the first sleeve is rotatably connected with a drill rod, the left end of the drill rod extends into the sliding groove and is connected with the sliding groove through a spline in a sliding mode, the right end of the drill rod penetrates through the right end of the first box body, worm teeth located below the rotary rod are arranged on the outer side of the fifth rotating shaft, the front end of the first box body is rotatably connected with a ninth rotating shaft, the rear end of the ninth rotating shaft penetrates through the front end of the first box body, and a worm wheel meshed with the worm teeth is fixedly mounted on the outer side of the ninth rotating shaft. This structure can adjust the work piece axle rotation.

Further perfecting, a second box body positioned at the right side of the first box body is fixedly arranged on the base, a third box body communicated with the interior of the second box body is fixedly arranged in front of the second box body, the inner wall of the third box body is connected with a slide block in a sliding way, the left end and the right end of the third box body are connected with a screw rod which passes through the slide block and is connected with the slide block in a threaded way in a rotating way, one end of the screw rod is provided with a third bevel gear, the inner wall of the third bevel gear is provided with a first inner ratchet, a first ratchet sleeve matched with the first internal ratchet is fixedly arranged on the outer side of the screw rod, a first annular sliding groove is arranged on the inner wall of the left end of the third box body, a first supporting sleeve which extends into the first annular chute and is rotationally connected with the first annular chute is fixedly arranged at the left end of the third bevel gear, the rear end of the ninth rotating shaft penetrates through the front end of the third box body, and an incomplete bevel gear meshed with the third bevel gear is fixedly mounted on the outer side of the ninth rotating shaft.

Further perfection, the inner wall of the second box body is symmetrically and slidably connected with a first clamping plate and a second clamping plate, a clamping channel is arranged on the first clamping plate and the second clamping plate, the inner wall of the clamping channel is rotatably connected with a rotary table, clamping chucks are oppositely arranged on the rotary table, a workpiece shaft is held between the clamping chucks, the axis of the workpiece shaft is aligned with the horizontal direction of the axis of a drill rod, the drill rod passes through the left end of the second box body, a triangular groove is arranged at one end, close to the second box body, of the slide block, a push rod which extends into the triangular groove and pushes against the bevel edge of the triangular groove is fixedly arranged on the second clamping plate, a second sleeve is fixedly arranged at the front end of the rotary table on the first clamping plate, a support plate is fixedly arranged at the right end of the first box body, a transmission rod is connected with the other end in a rotating manner through a spline sliding key, and a fourth gear is arranged outside the transmission rod, the inner wall of the fourth gear is provided with a second inner ratchet, a second pawl sleeve matched with the second inner ratchet is fixedly mounted on the outer side of the transmission rod, a second annular sliding groove surrounding the transmission rod is arranged at the rear end of the supporting plate, a second supporting sleeve extending into the second annular sliding groove and connected with the second annular sliding groove in a sliding mode is fixedly mounted at the front end of the fourth gear, and a second rack which penetrates through the right end of the first box body and is meshed with the fourth gear is fixedly mounted on the lifting plate.

Further perfection, the bottoms of the accelerator and the reducer are respectively and fixedly provided with supporting blocks fixedly connected with the inner wall of the bottom of the first box body.

Further perfection, the outside of the input shaft is fixedly provided with a rotating handle.

Further perfection, the first clamping plate and the inner wall of the rear end of the second box body are fixedly provided with second springs positioned on the left side and the right side of the second sleeve.

The use method of the automatic drilling device comprises the following steps:

firstly, transmission: the input shaft is driven to rotate by rotating the handle, the second bevel gear is driven to rotate by rotating the input shaft, the first bevel gear is driven to rotate by rotating the second bevel gear, the first rotating shaft is driven to rotate by rotating the first bevel gear, and the second rotating shaft and the third rotating shaft are respectively driven to rotate by the accelerator and the reducer after the first rotating shaft rotates;

II, power output: the second rotating shaft rotates to drive the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the third gear to rotate, the third gear rotates to drive the eighth rotating shaft to rotate, and the eighth rotating shaft rotates to drive the drill rod to rotate;

thirdly, punching the workpiece: the third rotating shaft rotates to drive the rotating drum to rotate, the protruding blocks periodically push the roller wheels when the rotating drum rotates, so that the rotating rod is driven to swing leftwards, the rotating rod swings leftwards to drive the lifting disc to move leftwards and drive the fifth rotating shaft to rotate forwards, the lifting disc moves leftwards to drive the second rack to move leftwards, the rotating rod swings leftwards to drive the sector gear to swing rightwards, the sector gear drives the first sleeve to move rightwards through the first rack after swinging rightwards, the first sleeve moves rightwards to drive the drill rod to approach the workpiece shaft to drill the workpiece, when the drill rod is about to approach the workpiece shaft, the second rack is disengaged from the fourth gear, the fifth rotating shaft rotates forwards to drive the worm gear to rotate, the worm gear rotates to drive the ninth rotating shaft to rotate, the ninth rotating shaft rotates to drive the incomplete bevel gear to rotate clockwise, the incomplete bevel gear only can drive the third bevel gear to rotate, the incomplete bevel gear is disengaged from the third bevel gear after driving the third bevel gear to rotate for a certain distance, when the drill rod is about to contact with the workpiece shaft, the incomplete bevel gear is disengaged from the third bevel gear;

fourthly, workpiece adjustment: along with the rotation of the rotary drum, the protruding block is not contacted with the roller, under the action of a first spring, the first sleeve and the first rack are reset, when the protruding block is separated from the workpiece shaft, the second rack is meshed with the fourth gear and drives the fourth gear to rotate, the fourth gear rotates to drive the transmission rod to rotate through the first annular chute and the second pawl sleeve, the transmission rod rotates to drive the second sleeve to rotate, the second sleeve rotates to drive the rotary table to rotate, the rotary table rotates to drive the workpiece shaft to rotate, at the moment, the worm gear rotates reversely and drives the incomplete bevel gear to rotate anticlockwise through the worm gear and the ninth rotating shaft, the incomplete bevel gear rotates anticlockwise to drive the lead screw to rotate through the first inner ratchet and the first pawl sleeve, the lead screw rotates to drive the sliding block to slide, the push rod is pushed through the inclined plane of the triangular groove when the sliding block slides, the push rod drives the second clamping plate to move, and the second clamping plate moves to drive the workpiece shaft to move.

The invention has the beneficial effects that: the rotary drilling machine is simple in structure and easy and convenient to operate, can adjust the rotation angle and the displacement distance of the shaft body when drilling the shaft body, enables the drill bit to drill holes which are distributed spirally and equidistantly on the surface of the shaft body, greatly improves the machining efficiency, reduces the machining cost, and is simple, efficient, convenient and fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is a schematic view of a third bevel gear according to the present invention;

FIG. 6 is a schematic view of a fourth gear of the present invention;

FIG. 7 is a schematic structural view of a bump according to the present invention;

fig. 8 is a schematic structural view of the first gear 31 in the present invention.

Description of reference numerals: a first box body 1, a partition plate 2, a second bevel gear 3, an input shaft 4, a handle 5, a speed reducer 6, a third rotating shaft 7, a first limiting disc 8, a rotary drum 9, a second rack 10, a transmission rod 11, a second sleeve 12, a rotary disc 13, a first clamping plate 14, a clamping channel 15, a clamping chuck 16, a workpiece shaft 17, a second box body 18, a third box body 19, a triangular groove 20, a push rod 21, a slide block 22, a slide groove 23, a first sleeve 24, a second clamping plate 25, a pull plate 26, a third gear 27, an eighth rotating shaft 28, a seventh rotating shaft 29, a second gear 30, a first gear 31, a second rotating shaft 32, an accelerator 33, a first bevel gear 34, a first supporting sleeve 35, a first annular slide groove 36, an incomplete bevel gear 37, a ninth rotating shaft 38, a lead screw 39, a third bevel gear 40, a fifth rotating shaft 41, a worm gear 42, a third spring 43, a second inner ratchet 44, a lifting disc 45, a lifting plate 46, The device comprises a sixth rotating shaft 47, a roller 48, a second limiting disc 49, a fourth rotating shaft 50, a rotating rod 51, a worm gear 52, a fourth gear 53, a supporting plate 54, a second annular sliding groove 55, a second pawl sleeve 56, a drill rod 57, a protruding block 58, a sector gear 59, a base 60, a second spring 61, a first rotating shaft 62, a supporting block 63, a first rack 64, a first spring 65, a first pawl sleeve 66, a first internal ratchet 67 and a second supporting sleeve 68.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

referring to the attached figures 1 to 8: the automatic drilling device in the embodiment comprises a base 60, wherein a first box body 1 is fixedly installed on the top of the base 60, partition plates 2 are fixedly installed on the inner walls of the front end and the rear end of the first box body 1, a first rotating shaft 62 is arranged in the first box body 1, an accelerator 33 and a reducer 6 are respectively and fixedly installed at the left end and the right end of the first rotating shaft 62, a second rotating shaft 32 which penetrates through the partition plates 2 and is rotatably connected with the inner wall of the left end of the first box body 1 is installed at the left end of the accelerator 33, a rotating drum 9 is arranged at the right side of the reducer 6, a first limiting disc 8 and a second limiting disc 49 are installed at the left end and the right end of the rotating drum 9, a third rotating shaft 7 fixedly installed with the first limiting disc 8 is installed at the right end of the reducer 6, a fourth rotating shaft 50 rotatably connected with the inner wall of the right end of the first box body 1 is fixedly installed on the second limiting disc 49, a first bevel gear 34 is fixedly installed at the outer side of the first rotating shaft 62, the front end of the first bevel gear 34 is engaged with a second bevel gear 3, the center of the second bevel gear 3 is fixedly provided with an input shaft 4 which passes through the front end of the first box body 1, the second limiting disc 49 is fixedly provided with a convex block 58 clinging to the outer side of the rotary drum 9, the outer side of the rotary drum 9 is connected with a lifting disc 45 in a sliding way, a lifting plate 46 is fixedly arranged on the outer side of the lifting disc 45, a third spring 43 is fixedly arranged between the lifting disc 45 and the first limiting disc 8, the top inner wall and the bottom inner wall of the first box 1 are rotatably connected with a fifth rotating shaft 41 positioned at the rear part of the rotating drum 9, a rotating rod 51 is fixedly connected with the outer side of the fifth rotating shaft 41, one end of the rotating rod 51 far away from the rotating drum 9 is provided with a sector gear 59, one end of the rotating rod 51 close to the rotating drum 9 is rotatably connected with a sixth rotating shaft 47, and the bottom of the sixth rotating shaft 47 is rotatably connected with a roller 48 which is tightly attached to the second limiting disc 49 and can be pushed by the protruding block 58. The outer side of the second rotating shaft 32 is fixedly provided with a first gear 31 positioned at the left side of the partition board 2, the partition board 2 and the inner wall of the left end of the first box body 1 are rotatably connected with a seventh rotating shaft 29, the outer side of the seventh rotating shaft 29 is fixedly provided with a second gear 30 meshed with the first gear 31, the outer side of the sector gear 59 is meshed with a first rack 64, the rear end of the first rack 64 is fixedly provided with a first sleeve 24 with the left end communicated with the outside, the inner wall of the first sleeve 24 is slidably connected and rotatably connected with an eighth rotating shaft 28 with the left end rotatably connected with the inner wall of the left end of the first box body 1 after passing through the partition board 2, the outer side of the eighth rotating shaft 28 is fixedly provided with a third gear 27 positioned between the partition board 2 and the inner wall of the left end of the first box body 1 and meshed with the second gear 30, the outer side of the first sleeve 24 is fixedly provided with a pulling plate 26, a first spring 65 surrounding the eighth rotating shaft 28 and the first sleeve 24 is fixedly arranged between the pulling plate 26 and the partition board 2, the right end of the eighth rotating shaft 28 is provided with a sliding groove 23 located inside the first sleeve 24, the right end of the first sleeve 24 is rotatably connected with a drill rod 57, the left end of the drill rod 57 extends into the sliding groove 23 and is connected with the sliding groove through a spline in a sliding manner, the right end of the drill rod 57 penetrates through the right end of the first box body 1, the worm gear 42 located below the rotating rod 51 is arranged on the outer side of the fifth rotating shaft 41, the front end of the first box body 1 is rotatably connected with a ninth rotating shaft 38, the rear end of the ninth rotating shaft penetrates through the front end of the first box body 1, and the worm gear 52 meshed with the worm gear 42 is fixedly mounted on the outer side of the ninth rotating shaft 38. A second box body 18 positioned at the right side of the first box body 1 is fixedly arranged on the base 60, a third box body 19 communicated with the inside of the second box body 18 is fixedly arranged in front of the second box body 18, the inner wall of the third box body 19 is connected with a slide block 22 in a sliding way, the left end and the right end of the third box body 19 are connected with a screw rod 39 which passes through the slide block 22 and is connected with the slide block by screw thread in a rotating way, a third bevel gear 40 is arranged at one end of the screw 39, a first internal ratchet 67 is arranged on the inner wall of the third bevel gear 40, a first ratchet sleeve 66 matched with the first internal ratchet 67 is fixedly arranged on the outer side of the screw rod 39, a first annular sliding groove 36 is arranged on the inner wall of the left end of the third box body 19, a first supporting sleeve 35 which extends into the first annular sliding groove 36 and is rotationally connected with the first annular sliding groove is fixedly arranged at the left end of the third bevel gear 40, the rear end of the ninth rotating shaft 38 passes through the front end of the third box 19, and an incomplete bevel gear 37 meshed with a third bevel gear 40 is fixedly mounted on the outer side of the ninth rotating shaft 38. The inner wall of the second box body 18 is symmetrically and slidably connected with a first clamping plate 14 and a second clamping plate 25, a clamping channel 15 is arranged on the first clamping plate 14 and the second clamping plate 25, the inner wall of the clamping channel 15 is rotatably connected with a rotary table 13, a clamping chuck 16 is relatively installed on the rotary table 13, a workpiece shaft 17 is held between the clamping chucks 16, the axis of the workpiece shaft 17 is aligned with the horizontal direction of the axis of a drill rod 57, the drill rod 57 penetrates through the left end of the second box body 18, a triangular groove 20 is arranged at one end, close to one end of the second box body 18, of a slide block 22, a push rod 21 which extends into the triangular groove 20 and supports the inclined edge of the triangular groove 20 is fixedly installed on the second clamping plate 25, a second sleeve 12 is fixedly installed at the front end of the rotary table 13 on the first clamping plate 14, a support plate 54 is fixedly installed at the right end of the first box body 1, the inner wall of the second sleeve 12 is connected with a transmission rod 11 with the other end and the support plate 54 through a spline sliding key, a fourth gear 53 is mounted on the outer side of the transmission rod 11, a second inner ratchet 44 is arranged on the inner wall of the fourth gear 53, a second pawl sleeve 56 matched with the second inner ratchet 44 is fixedly mounted on the outer side of the transmission rod 11, a second annular sliding groove 55 surrounding the transmission rod 11 is arranged at the rear end of the supporting plate 54, a second supporting sleeve 68 extending into the second annular sliding groove 55 and connected with the second annular sliding groove in a sliding manner is fixedly mounted at the front end of the fourth gear 53, and a second rack 10 which penetrates through the right end of the first box body 1 and is meshed with the fourth gear 53 is fixedly mounted on the lifting plate 46. And the bottoms of the accelerator 33 and the speed reducer 6 are respectively and fixedly provided with a supporting block 63 fixedly connected with the inner wall of the bottom of the first box body 1. And a rotating handle 5 is fixedly arranged on the outer side of the input shaft 4. The first clamping plate 14 and the inner wall of the rear end of the second box 18 are fixedly provided with second springs 61 positioned at the left and right sides of the second sleeve 12.

Referring to the attached figures 1 to 8: the use method of the automatic drilling device comprises the following steps:

firstly, transmission: the rotating handle 5 drives the input shaft 4 to rotate, the input shaft 4 rotates to drive the second bevel gear 3 to rotate, the second bevel gear 3 rotates to drive the first bevel gear 34 to rotate, the first bevel gear 34 rotates to drive the first rotating shaft 62 to rotate, and the first rotating shaft 62 rotates to drive the second rotating shaft 32 and the third rotating shaft 7 to rotate through the accelerator 33 and the reducer 6 respectively;

II, power output: the second rotating shaft 32 rotates to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second gear 30 to rotate, the second gear 30 rotates to drive the third gear 27 to rotate, the third gear 27 rotates to drive the eighth rotating shaft 28 to rotate, and the eighth rotating shaft 28 rotates to drive the drill rod 57 to rotate;

thirdly, punching the workpiece: the third rotating shaft 7 rotates to drive the rotating drum 9 to rotate, when the rotating drum 9 rotates, the protruding block 58 periodically pushes the roller 48, so as to drive the rotating rod 51 to swing leftwards, the rotating rod 51 swings leftwards to drive the lifting disc 45 to move leftwards and drive the fifth rotating shaft 41 to rotate forwards, the lifting disc 45 moves leftwards to drive the second rack 10 to move leftwards, the rotating rod 51 swings leftwards to drive the sector gear 59 to swing rightwards, the sector gear 59 swings rightwards to drive the first rack 24 to move rightwards through the first rack 64, the first rack 24 moves rightwards to drive the drill rod 57 to approach the workpiece shaft 17 to drill a workpiece, when the drill rod 57 approaches the workpiece shaft 17, the second rack 10 is disengaged from the fourth gear 53, the fifth rotating shaft 41 rotates forwards to drive the worm gear 42 to rotate to drive the worm wheel 52 to rotate, the worm wheel 52 rotates to drive the ninth rotating shaft 38 to rotate, the ninth rotating shaft 38 rotates to drive the incomplete bevel gear 37 to rotate clockwise, the incomplete bevel gear 37 rotates clockwise only to drive the third bevel gear 40 to rotate, the incomplete bevel gear 37 drives the third bevel gear 40 to rotate for a certain distance and then is disengaged from the third bevel gear 40, and when the drill rod 57 is about to contact the workpiece shaft 17, the incomplete bevel gear 37 is disengaged from the third bevel gear 40;

fourthly, workpiece adjustment: with the rotation of the rotary drum 9, the protruding block 58 does not contact with the roller 48, the first spring 65 is under the spring action, the first sleeve 24 and the first rack 64 are reset, when the workpiece is released from the workpiece shaft 17, the second rack 10 is meshed with the fourth gear 53 and drives the fourth gear to rotate, the fourth gear 53 rotates to drive the transmission rod 11 to rotate through the first annular chute 36 and the second pawl sleeve 56, the transmission rod 11 rotates to drive the second sleeve 12 to rotate, the second sleeve 12 rotates to drive the rotary table 13 to rotate, the rotary table 13 rotates to drive the workpiece shaft 17 to rotate, at this time, the worm gear 42 rotates reversely to drive the incomplete bevel gear 37 to rotate counterclockwise through the worm wheel 52 and the ninth rotating shaft 38, the incomplete bevel gear 37 rotates counterclockwise to drive the lead screw 39 to rotate through the first inner 67 and the first pawl sleeve 66, the lead screw 39 rotates to drive the slider 22 to slide, the ratchet 22 pushes the push rod 21 through the inclined plane of the triangular groove 20 when the slider 22 slides, the push rod 21 drives the second clamping plate 25 to move, the second clamping plate 25 moves to move the workpiece shaft 17.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. An automatic drilling device, including base (60), characterized by: base (60) top fixed mounting has first box (1), both ends inner wall fixed mounting has baffle (2) around first box (1), first box (1) inside is equipped with first pivot (62), both ends difference fixed mounting has accelerator (33) and reduction gear (6) about first pivot (62), second pivot (32) of being connected with first box (1) left end inner wall rotation after passing baffle (2) are installed to accelerator (33) left end, reduction gear (6) right-hand is equipped with rotary drum (9), first spacing dish (8) and second spacing dish (49) are installed at both ends about rotary drum (9), reduction gear (6) are installed and are rotated third pivot (7) of being connected with first spacing dish (8), fixed mounting is gone up with fourth pivot (50) of being connected with first box (1) right-hand member inner wall rotation on second spacing dish (49), a first bevel gear (34) is fixedly mounted on the outer side of the first rotating shaft (62), a second bevel gear (3) is meshed with the front end of the first bevel gear (34), an input shaft (4) penetrating through the front end of the first box body (1) is fixedly mounted at the center of the second bevel gear (3), a protruding block (58) tightly attached to the outer side of the rotating cylinder (9) is fixedly mounted on the second limiting disc (49), a lifting disc (45) is slidably connected to the outer side of the rotating cylinder (9), a lifting plate (46) is fixedly mounted on the outer side of the lifting disc (45), a third spring (43) is fixedly mounted between the lifting disc (45) and the first limiting disc (8), a fifth rotating shaft (41) located behind the rotating cylinder (9) is rotatably connected to the inner wall of the top and the inner wall of the bottom of the first box body (1), a rotating rod (51) is fixedly connected to the outer side of the fifth rotating shaft (41), and a sector gear (59) is mounted at one end, far away from the rotating cylinder (9), of the rotating rod (51), one end of the rotating rod (51) close to the rotating drum (9) is rotatably connected with a sixth rotating shaft (47), the bottom of the sixth rotating shaft (47) is rotatably connected with a roller (48) which is tightly attached to a second limiting disc (49) and can be pushed by a convex block (58), a first gear (31) which is positioned on the left side of the partition plate (2) is fixedly installed on the outer side of the second rotating shaft (32), a seventh rotating shaft (29) is rotatably connected with the inner wall of the left end of the first box body (1), a second gear (30) which is meshed with the first gear (31) is fixedly installed on the outer side of the seventh rotating shaft (29), a first rack (64) is meshed on the outer side of the sector gear (59), a first sleeve (24) with the outside is fixedly installed at the rear end of the first rack (64), and an eighth rotating shaft (28) with the inner wall of the left end of the first box body (1) is rotatably connected with the left end of the first box body (1) after the left end of the partition plate (2) is passed through sliding connection and rotating connection of the inner wall of the first sleeve (24), a third gear (27) which is positioned between the partition plate (2) and the inner wall of the left end of the first box body (1) and is meshed with the second gear (30) is fixedly installed on the outer side of the eighth rotating shaft (28), a pulling plate (26) is fixedly installed on the outer side of the first sleeve (24), a first spring (65) which surrounds the eighth rotating shaft (28) and the first sleeve (24) is fixedly installed between the pulling plate (26) and the partition plate (2), a sliding groove (23) which is positioned inside the first sleeve (24) is arranged at the right end of the eighth rotating shaft (28), a drill rod (57) is rotatably connected to the right end of the first sleeve (24), the left end of the drill rod (57) extends into the sliding groove (23) and is in sliding key connection with the sliding groove through a spline, the right end of the drill rod (57) penetrates through the right end of the first box body (1), and worm teeth (42) which are positioned below the rotating rod (51) are arranged on the outer side of the fifth rotating shaft (41), the front end of the first box body (1) is rotatably connected with a ninth rotating shaft (38) with the rear end penetrating through the front end of the first box body (1), a worm wheel (52) meshed with a worm gear (42) is fixedly installed on the outer side of the ninth rotating shaft (38), a second box body (18) positioned on the right side of the first box body (1) is fixedly installed on the base (60), a third box body (19) communicated with the inside of the second box body (18) is fixedly installed in front of the second box body (18), a sliding block (22) is slidably connected to the inner wall of the third box body (19), a lead screw (39) penetrating through the sliding block (22) and in threaded connection with the lead screw is rotatably connected to the left end and the right end of the third box body (19), a third bevel gear (40) is installed at one end of the lead screw (39), a first inner ratchet (67) is arranged on the inner wall of the third bevel gear (40), a first pawl sleeve (66) matched with the first inner ratchet (67) is fixedly installed on the outer side of the lead screw (39), the inner wall of the left end of the third box body (19) is provided with a first annular sliding groove (36), the left end of the third bevel gear (40) is fixedly provided with a first supporting sleeve (35) which extends into the first annular sliding groove (36) and is rotationally connected with the first annular sliding groove, the rear end of the ninth rotating shaft (38) penetrates through the front end of the third box body (19), the outer side of the ninth rotating shaft (38) is fixedly provided with an incomplete bevel gear (37) which is meshed with the third bevel gear (40), the inner wall of the second box body (18) is symmetrically and slidably connected with a first clamping plate (14) and a second clamping plate (25), the first clamping plate (14) and the second clamping plate (25) are provided with clamping channels (15), the inner wall of each clamping channel (15) is rotationally connected with a rotary table (13), the rotary tables (13) are relatively provided with clamping chucks (16), and workpiece shafts (17) are held between the clamping chucks (16), the utility model discloses a workpiece shaft (17) axis aligns with drilling rod (57) axis horizontal direction, drilling rod (57) pass second box (18) left end, slider (22) are close to second box (18) one end and are equipped with triangular groove (20), fixed mounting has push rod (21) that stretches into triangular groove (20) and support triangular groove (20) hypotenuse on second grip block (25), carousel (13) front end fixed mounting on first grip block (14) has second sleeve (12), first box (1) right-hand member fixed mounting has backup pad (54), second sleeve (12) inner wall is connected with other end and backup pad (54) rotation connection's transfer line (11) through spline sliding key, fourth gear (53) are installed in transfer line (11) outside, fourth gear (53) inner wall is equipped with ratchet (44) in the second, transfer line (11) outside fixed mounting have with second ratchet cover (56) of second internal ratchet (44) complex The utility model discloses a bearing plate, backup pad (54) rear end is equipped with second annular chute (55) around transfer line (11), fourth gear (53) front end fixed mounting stretch into second annular chute (55) and rather than sliding connection's second support sleeve (68), fixed mounting has second rack (10) that pass behind first box (1) right-hand member and mesh with fourth gear (53) on lifter plate (46), the bottom of accelerator (33) and reduction gear (6) fixed mounting respectively have with first box (1) bottom inner wall fixed connection's supporting shoe (63), input shaft (4) outside fixed mounting has turning handle (5), first grip block (14) and second box (18) rear end inner wall fixed mounting have be located second sleeve (12) about the second spring (61) both sides.

2. A method of using the automatic drilling apparatus of claim 1, comprising the steps of:

firstly, transmission: the rotating handle (5) drives the input shaft (4) to rotate, the input shaft (4) rotates to drive the second bevel gear (3) to rotate, the second bevel gear (3) rotates to drive the first bevel gear (34) to rotate, the first bevel gear (34) rotates to drive the first rotating shaft (62) to rotate, and the first rotating shaft (62) rotates to drive the second rotating shaft (32) and the third rotating shaft (7) to rotate through the accelerator (33) and the reducer (6) respectively;

II, power output: the second rotating shaft (32) rotates to drive the first gear (31) to rotate, the first gear (31) rotates to drive the second gear (30) to rotate, the second gear (30) rotates to drive the third gear (27) to rotate, the third gear (27) rotates to drive the eighth rotating shaft (28) to rotate, and the eighth rotating shaft (28) rotates to drive the drill rod (57) to rotate;

thirdly, punching the workpiece: the third rotating shaft (7) rotates to drive the rotating drum (9) to rotate, when the rotating drum (9) rotates, the protruding block (58) periodically pushes the roller (48), so that the rotating rod (51) is driven to swing leftwards, the rotating rod (51) swings leftwards to drive the lifting disc (45) to move leftwards and drive the fifth rotating shaft (41) to rotate forwards, the lifting disc (45) moves leftwards to drive the second rack (10) to move leftwards, the rotating rod (51) swings leftwards to drive the sector gear (59) to swing rightwards, the sector gear (59) swings rightwards and then drives the first sleeve (24) to move rightwards through the first rack (64), the first sleeve (24) moves rightwards to drive the drill rod (57) to approach the workpiece shaft (17) to drill the workpiece, when the drill rod (57) is about to approach the workpiece shaft (17), the second rack (10) is disengaged from the fourth gear (53), the fifth rotating shaft (41) drives the worm gear (42) to rotate to drive the worm wheel (52) to rotate, the worm gear (52) rotates to drive the ninth rotating shaft (38) to rotate, the ninth rotating shaft (38) rotates to drive the incomplete bevel gear (37) to rotate clockwise, the incomplete bevel gear (37) rotates clockwise only to drive the third bevel gear (40) to rotate, the incomplete bevel gear (37) is disengaged from the third bevel gear (40) after driving the third bevel gear (40) to rotate for a certain distance, and when the drill rod (57) is about to contact with the workpiece shaft (17), the incomplete bevel gear (37) is disengaged from the third bevel gear (40);

fourthly, workpiece adjustment: along with the rotation of the rotary drum (9), the convex block (58) is not contacted with the roller (48), under the action of a first spring (65) spring, the first sleeve (24) and the first rack (64) are reset, when the convex block is separated from the workpiece shaft (17), the second rack (10) is meshed with the fourth gear (53) and drives the fourth gear to rotate, the fourth gear (53) rotates to drive the transmission rod (11) to rotate through the first annular chute (36) and the second ratchet sleeve (56), the transmission rod (11) rotates to drive the second sleeve (12) to rotate, the second sleeve (12) rotates to drive the rotary table (13) to rotate, the rotary table (13) rotates to drive the workpiece shaft (17) to rotate, at the moment, the worm teeth (42) reversely rotate to drive the incomplete bevel gear (37) to rotate anticlockwise through the worm wheel (52) and the ninth rotating shaft (38), the incomplete bevel gear (37) rotates anticlockwise and drives the screw rod (39) to rotate through the first inner ratchet (67) and the first ratchet sleeve (66), the lead screw (39) rotates to drive the sliding block (22) to slide, the sliding block (22) pushes the push rod (21) through the inclined plane of the triangular groove (20) when sliding, the push rod (21) drives the second clamping plate (25) to move, and the second clamping plate (25) moves to drive the workpiece shaft (17) to move.