CN111842959A

CN111842959A - Automatic change accurate system hole equipment

Info

Publication number: CN111842959A
Application number: CN202010754064.6A
Authority: CN
Inventors: 李桂丹
Original assignee: Wenzhou Jibin Electronic Technology Co ltd
Current assignee: Wenzhou Jibin Electronic Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-10-30

Abstract

The invention relates to the field of automatic precise hole making, in particular to automatic precise hole making equipment which comprises a box body, wherein a conveying cavity is arranged in the left end wall of the box body, the left opening of the inner end wall of the left side of the box body is provided with a recovering cavity with an upward opening, and a recovering barrel with an upward opening and used for recovering scrap iron is arranged in the recovering cavity; various precision requirements of hole perpendicularity, burrs, position precision and the like are met, the hole quality is better, and the work is more reliable; the lower-layer recycling barrel can recycle scrap iron generated by drilling, so that the working environment is cleaned, and the resource utilization rate is higher; the position of the drill bit can be adjusted, different production requirements are met, and the applicability is wide.

Description

Automatic change accurate system hole equipment

Technical Field

The invention relates to the field of automatic precision hole making, in particular to automatic precision hole making equipment.

Background

The holes comprise through holes, blind holes, stepped holes, threaded holes and the like, most of mechanical connections need to use the holes, the quality of the holes directly relates to the working performance and the service life of the connecting piece, the traditional hole making process needs manual interference, the operation requirement on workers is high, and various problems such as formation defects, low precision, complex steps and the like exist.

Disclosure of Invention

The invention aims to provide automatic precision hole making equipment which can overcome the defects in the prior art, so that the practicability of the equipment is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention discloses automatic precision hole making equipment, which comprises a box body and is characterized in that: a conveying cavity is arranged in the left end wall of the box body, the opening of the conveying cavity is leftward, a recycling cavity with an upward opening is arranged on the right end wall of the conveying cavity, a recycling barrel with an upward opening and used for recycling scrap iron is arranged in the recycling cavity, a conveying shaft fixedly connected with the upper end wall and the lower end wall of the conveying cavity is arranged in the conveying cavity, a conveying device used for conveying workpieces is rotatably arranged on the conveying shaft, the conveying device can convey the workpieces from the outside of the box body to the conveying cavity, a clamping device is slidably arranged on the conveying device, the clamping device can clamp the workpieces after the workpieces are conveyed into the conveying cavity by the conveying device, subsequent processing is facilitated, a drilling cavity is arranged above the right side of the conveying cavity, the opening of the drilling cavity is downward, the left end wall of the drilling cavity is communicated with the right end wall of the conveying cavity, and a, the drilling device is internally and simultaneously provided with the twist drill and/or the countersink drill, the twist drill can move downwards when the conveying device conveys a workpiece to the innermost position of the conveying cavity and punches on the workpiece, the countersink drill can remove burrs generated on the surface of the workpiece by drilling the twist drill to manufacture a high-quality hole, pits or holes with different shapes can be reamed on the surface of the workpiece according to different requirements so as to meet various connection forms, the drilling device is internally and fixedly provided with the bevel gear sleeve for adjusting the position, the bevel gear sleeve is provided with a scale for recording the horizontal positions of the twist drill and the countersink drill, a worker can contrast the scale and manually rotate the bevel gear sleeve, so that the bevel gear sleeve controls the twist drill and the countersink drill to move in the horizontal direction, and the position precision of the hole of the twist drill is ensured, the drilling device lower extreme is equipped with and is fixed in the pin that is used for guaranteeing the straightness that hangs down on the box, the pin can run through during drilling device drilling inside the drilling device guarantees the high straightness requirement that hangs down of fluted drill drilling hole, be equipped with in the drilling chamber roof and be used for driving the pneumatic control device that drilling device removed, pneumatic control device is steerable drilling device reciprocating motion from top to bottom finally realizes automatic accurate system hole on the work piece.

Furthermore, the conveying device comprises a supporting body which is arranged on the conveying shaft in a rotating connection mode, a hollow cavity for placing the clamping device is formed in the supporting body, a supporting frame which is uniformly distributed is fixedly connected to the periphery of the outer side of the supporting body, a baffle is fixedly connected to the outermost side of the supporting frame, a second conveying power bevel gear is fixedly connected to the lower end of the supporting body, a conveying motor is fixedly connected to the inner bottom wall of the conveying cavity, a conveying motor shaft is arranged above the conveying motor in a power connection mode, and a first conveying power bevel gear which is meshed with the second conveying power bevel gear is arranged at the upper end of the conveying motor shaft so as to achieve the conveying function of the conveying device.

Further, clamping device include hollow intracavity be equipped with carry axle fixed connection's cam, hollow chamber with sliding connection's between the transport chamber is equipped with the slide bar, the slide bar is in hollow intracavity with the cam contacts all around, the slide bar is in carry intracavity fixed connection's being equipped with trapezoidal ejector pad, trapezoidal ejector pad left side is equipped with the push pedal, the push pedal with fixed connection's between the trapezoidal ejector pad is equipped with the centre gripping spring, trapezoidal ejector pad with the push pedal can slide on the supporting rack, rotate on the supporting rack and be equipped with anchor clamps, the anchor clamps right-hand member with trapezoidal ejector pad contacts to accomplish the clamping function of this design.

Further, drilling equipment includes the second pneumatic cylinder that drilling chamber roof internal fixation was equipped with, slidable is equipped with the second piston in the second pneumatic cylinder, second piston below fixed connection's be equipped with the perforator connecting rod, the perforator connecting rod lower extreme rotates the bevel gear pipe that is equipped with of connecting, bevel gear pipe top be equipped with perforator connecting rod fixed connection's graduation apparatus, bevel gear pipe below be equipped with the perforator of driller connecting rod rotation connection, the perforator both sides are equipped with about the pin through-hole of driller connecting rod symmetry, be equipped with under the pin through-hole with box fixed connection's pin, the perforator outer wall face downside is equipped with circumference rack, the ascending screw rod chamber that is equipped with of opening in the perforator upper end wall, the rotation connection is equipped with fluted drill screw and counter bore drilling threaded rod on the threaded rod intracavity outer wall surface, the twist drill threaded rod and the counter-boring drill threaded rod are mutually symmetrical about the drill connecting rod, a twist drill bevel gear meshed with the bevel gear pipe is arranged on the inner side of the twist drill threaded rod, a twist drill threaded sleeve is arranged in the threaded rod cavity in a threaded connection mode, a twist drill connecting rod is fixedly connected to the lower end face of the twist drill threaded sleeve, a twist drill motor base is fixedly connected to the lower end of the twist drill connecting rod, a twist drill motor is fixedly connected in the twist drill motor base, a twist drill motor shaft is arranged at the lower end of the twist drill motor in a power connection mode, a twist drill is fixedly connected to the lower end of the twist drill motor shaft, a counter-boring drill threaded rod is arranged in the threaded rod cavity in a threaded connection mode, a counter-boring drill threaded sleeve is arranged in the counter-boring drill threaded sleeve, and a counter-boring drill connecting rod is fixedly connected to the lower end face of the counter-boring drill threaded sleeve, counter boring bores connecting rod lower extreme fixed connection and is equipped with the counter boring and bores the motor cabinet, fixed connection's in the counter boring bores the motor cabinet and is equipped with the counter boring and bores the motor, what counter boring bore motor lower extreme power was connected is equipped with the counter boring and bores the motor shaft, counter boring bores motor shaft lower extreme fixed connection is equipped with the counter boring and bores to accomplish the function of punching of this design.

Further, the pneumatic control device comprises a third rotating shaft which is rotatably arranged at the right side of the drilling cavity, a third straight gear which is meshed with the circumferential rack is arranged at the lower end of the third rotating shaft, a third high-pressure bevel gear which is fixedly connected with the third rotating shaft is arranged above the third straight gear, a third low-pressure bevel gear which is fixedly connected with the third rotating shaft is arranged above the third high-pressure bevel gear, a pneumatic control bevel gear which is meshed with the third low-pressure bevel gear is fixedly connected with the left side of the third low-pressure bevel gear, a pneumatic control motor shaft is fixedly connected with the left side of the pneumatic control bevel gear, a pneumatic control motor base is arranged at the left end of the pneumatic control motor shaft, a pneumatic control motor which is fixedly connected with the pneumatic control motor shaft is fixedly connected in the pneumatic control motor base, a pneumatic control connecting rod which is fixedly connected with the drilling device connecting rod is fixedly connected with the left side of the pneumatic control motor base, a third pneumatic cylinder fixed in the box body is arranged above the third low-pressure bevel gear, a third position switch is fixedly connected to the bottom wall of the left side of a third pneumatic cavity in the third pneumatic cylinder, a third sealing pin is fixedly connected to the bottom wall of the third pneumatic cavity, a third piston is slidably connected to the inner wall of the third pneumatic cavity and is in threaded connection with a threaded portion of a third rotating shaft in the third pneumatic cavity, a fourth air passage is fixedly connected between the bottom wall of the right side of the third pneumatic cavity and the outside, a third air passage is fixedly connected between the top wall of the left side of the third pneumatic cavity and the second pneumatic cavity in the second pneumatic cylinder, a second piston is fixedly connected to the upper end of the drill connecting rod and is slidably connected in the second pneumatic cavity, and a second spring is fixedly connected between the second piston and the bottom wall of the second pneumatic cavity, an air pump is fixedly connected in the end wall of the left side of the drill hole cavity, a first air cylinder is arranged on the left side of the air pump, a first air passage is fixedly connected between the air pump and the right side bottom wall of a first air pressure cavity in the first air cylinder, a first position switch is fixedly connected with the right side top wall of the first air pressure cavity, a first sealing pin is fixedly connected on the bottom wall of the first air pressure cavity, a first piston is slidably connected with the inner wall of the first air pressure cavity on the first sealing pin in a sliding manner, a first connecting rod capable of sliding between the conveying cavities is fixedly connected with the lower end of the first piston, the lower end of the first connecting rod is in contact with four uniformly distributed first position bulges fixedly connected around the upper end of the supporting body, and a second air passage is fixedly connected between the left side top wall of the first air pressure cavity and the second air pressure cavity, air pump below is equipped with the fourth chamber that slides that the opening is right, fourth slides chamber left side end wall internal fixation connection be equipped with fourth position switch, fourth intracavity slidable that slides is equipped with the fourth slide, the fourth slide with fixedly connected with fourth spring between the chamber left side inner wall slides, the fourth slide the chamber with gliding fourth connecting rod that is connected with from top to bottom between the drilling chamber, the fourth connecting rod is in the fourth slides the intracavity be equipped with can gliding fourth slider on the fourth slide, fourth connecting rod right side with the protruding left end of second position that is equipped with of fixed connection contacts on the drilling ware left side terminal surface to accomplish the atmospheric pressure control function of this design.

The invention has the beneficial effects that: the automatic precise hole making equipment can automatically make holes on the workpiece without manual intervention, and is efficient, convenient and fast; various precision requirements of hole perpendicularity, burrs, position precision and the like are met, the hole quality is better, and the work is more reliable; the lower-layer recycling barrel can recycle scrap iron generated by drilling, so that the working environment is cleaned, and the resource utilization rate is higher; the position of the drill bit can be adjusted, different production requirements are met, and the applicability is wide.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic diagram of the overall structure of an automated precision drilling apparatus according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" in FIG. 1;

FIG. 4 is an enlarged view of the structure at "C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 3;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 6, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to automatic precision hole making equipment which is mainly applied to precision hole making, and the invention is further explained by combining the attached drawings of the invention.

The invention relates to automatic precision hole making equipment which comprises a box body 10, wherein a conveying cavity 46 is arranged in the left side end wall of the box body 10, an upward opening recovery cavity 29 is arranged on the bottom wall of the right side of the conveying cavity 46, a recovery barrel 30 with an upward opening is arranged in the recovery cavity 29 and used for recovering scrap iron, a conveying shaft 24 fixedly connected with the upper end wall and the lower end wall of the conveying cavity 46 is arranged in the conveying cavity 46, a conveying device 101 used for conveying workpieces is rotatably arranged on the conveying shaft 24, the conveying device 101 can convey the workpieces into the conveying cavity 46 from the outside of the box body 10, a clamping device 102 is slidably arranged on the conveying device 101, after the conveying device 101 conveys the workpieces into the conveying cavity 46, the clamping device 102 can clamp the workpieces to facilitate subsequent processing, a hole drilling cavity 90 is arranged in the upper side of the right side of the conveying cavity 46 and with a downward opening, the bottom wall of the left side of the drilling cavity 90 is communicated with the top wall of the right side of the conveying cavity 46, a drilling device 103 is arranged in the drilling cavity 90 and can move up and down, a twist drill 75 and/or a countersink drill 80 are arranged in the drilling device 103 at the same time, the twist drill 75 can move down when the conveying device 101 conveys a workpiece to the innermost position of the conveying cavity 46 and punch a hole on the workpiece, the countersink drill 80 can remove burrs generated by punching of the twist drill 75 on the surface of the workpiece after the twist drill 75 finishes punching to manufacture a high-quality hole, pits or holes with different shapes can be reamed on the surface of the workpiece according to different requirements so as to meet various connection forms, a bevel gear sleeve 65 used for adjusting the position is arranged in the drilling device 103, a scale 64 used for recording the horizontal positions of the twist drill 75 and the countersink drill 80 is arranged above the bevel gear sleeve 65, the workman can contrast graduation apparatus 64 and manual rotation bevel gear cover 65 makes bevel gear cover 65 control twist drill 75 with countersink drill 80 moves on the horizontal direction, guarantees the position accuracy that twist drill 75 bored the hole, drilling equipment 103 lower extreme is equipped with and is fixed in be used for guaranteeing the straightness's of hanging down pin 32 on the box 10, pin 32 can run through during drilling equipment 103 drilling inside drilling equipment 103, the assurance the height straightness requirement that twist drill 75 bored the hole, be equipped with in the drill hole 90 roof and be used for driving air pressure control device 104 that drilling equipment 103 removed, air pressure control device 104 is steerable drilling equipment 103 up-and-down reciprocating motion finally realizes automatic accurate system hole on the work piece.

Advantageously, the conveying device 101 comprises a supporting body 22 rotatably connected to the conveying shaft 24, a hollow cavity 47 for accommodating the clamping device 102 is formed in the supporting body 22, 4 uniformly distributed supporting frames 49 are fixedly connected to the periphery of the outer side of the supporting body 22, a baffle 51 is fixedly connected to the outermost side of each supporting frame 49, a second conveying power bevel gear 25 is fixedly connected to the lower end of the supporting body 22, a conveying motor 27 is fixedly connected to the inner side of the bottom wall of the conveying cavity 46, a conveying motor shaft 28 is connected to the upper side of the conveying motor 27 in a power connection mode, and a first conveying power bevel gear 26 meshed with the second conveying power bevel gear 25 is arranged at the upper end of the conveying motor shaft 28 to achieve the conveying function of the design.

Advantageously, the clamping device 102 includes a cam 48 fixedly connected to the conveying shaft 24 and disposed in the hollow cavity 47, a slide rod 21 is disposed in the hollow cavity 47 and slidably connected to the conveying cavity 46, the slide rod 21 is in contact with the cam 48 at the periphery in the hollow cavity 47, a trapezoidal push block 20 is disposed in the conveying cavity 46 and fixedly connected to the slide rod 21, a push plate 52 is disposed at the left side of the trapezoidal push block 20, a clamping spring 53 is disposed in the fixed connection between the push plate 52 and the trapezoidal push block 20, the trapezoidal push block 20 and the push plate 52 are slidable on the supporting frame 49, a clamp 50 is disposed on the supporting frame 49 and rotatably connected to the supporting frame 49, and the right end of the clamp 50 is in contact with the trapezoidal push block 20, so as to implement the clamping function of the present design.

Advantageously, the drilling device 103 comprises a second pneumatic cylinder 85 fixedly arranged in the top wall of the drilling cavity 90, a second piston 86 slidably arranged in the second pneumatic cylinder 85, a drill connecting rod 42 fixedly connected below the second piston 86, a bevel gear sleeve 65 rotatably connected to the lower end of the drill connecting rod 42, the scale 64 fixedly connected to the drill connecting rod 42 and arranged above the bevel gear sleeve 65, a drill 33 rotatably connected to the drill connecting rod 42 and arranged below the bevel gear sleeve 65, pin through holes 70 symmetrical to the drill connecting rod 42 and arranged on both sides of the drill 33, a pin 32 fixedly connected to the box 10 and arranged below the pin through holes 70, a circumferential rack 81 arranged on the lower side of the outer wall surface of the drill 33, a threaded rod cavity 69 arranged in the upper end wall of the drill 33 and opening upwards, the utility model discloses a twist drill, including screw rod 69, screw rod chamber 69 interior outer wall surface go up the rotation connection be equipped with twist drill screw rod 61 and counter bit threaded rod 68, the twist drill screw rod 61 of telling with counter bit threaded rod 68 about drill connecting rod 42 symmetry each other, twist drill screw rod 61 inboard be equipped with the twist drill bevel gear 63 that bevel gear cover 65 engaged with, counter bit threaded rod 68 inboard be equipped with bevel gear cover 65 engaged with counter bit bevel gear 66, twist drill screw rod 61 is in screw rod chamber 69 internal thread connection be equipped with twist drill thread cover 62, fixed connection be equipped with twist drill connecting rod 71 on the terminal surface under twist drill thread cover 62, twist drill connecting rod 71 lower extreme fixed connection be equipped with twist drill motor seat 72, fixed connection be equipped with twist drill motor 73 in the twist drill motor seat 72, what twist drill motor 73 lower extreme power was connected is equipped with twist drill motor shaft 74, twist drill motor shaft 74 lower extreme fixed connection is equipped with twist drill 75, counter boring drill threaded rod 68 is in 69 threaded rod chamber internal thread connection be equipped with counter boring drill thread bush 67, fixed connection be equipped with counter boring drill connecting rod 76 on the terminal surface under the counter boring drill thread bush 67, counter boring drill connecting rod 76 lower extreme fixed connection be equipped with counter boring drill motor cabinet 77, fixed connection be equipped with counter boring drill motor 78 in the counter boring drill motor cabinet 77, the power connection be equipped with counter boring drill motor shaft 79 of counter boring drill motor 78 lower extreme, counter boring drill motor shaft 79 lower extreme fixed connection be equipped with counter boring drill 80 to accomplish the function of punching of this design.

Beneficially, the pneumatic control device 104 includes a third rotating shaft 31 rotatably disposed at the right side of the drilling cavity 90, a third straight gear 34 engaged with the circumferential rack 81 is disposed at the lower end of the third rotating shaft 31, a third high-pressure bevel gear 35 fixedly connected with the third rotating shaft 31 is disposed above the third straight gear 34, a third low-pressure bevel gear 40 fixedly connected with the third rotating shaft 31 is disposed above the third high-pressure bevel gear 35, a pneumatic control bevel gear 39 engaged with the third low-pressure bevel gear 40 is fixedly connected at the left side of the third low-pressure bevel gear 40, a pneumatic control motor shaft 38 is fixedly connected at the left side of the pneumatic control bevel gear 39, a pneumatic control motor base 41 is disposed at the left end of the pneumatic control motor shaft 38, a pneumatic control motor 37 fixedly connected with the pneumatic control motor shaft 38 is disposed in the pneumatic control motor base 41, the left side of the pneumatic control motor seat 41 is fixedly connected with a pneumatic control connecting rod 36 fixedly connected with the drill connecting rod 42, a third pneumatic cylinder 44 fixedly connected with the upper portion of the third low-pressure bevel gear 40 is arranged on the left side of the third pneumatic bevel gear 10, a third position switch 84 is fixedly connected with the bottom wall of the left side of a third pneumatic cavity 45 in the third pneumatic bevel gear 44, a third sealing pin 82 is fixedly connected with the bottom wall of the third pneumatic cavity 45, a third piston 83 slidably connected with the inner wall of the third pneumatic cavity 45 is slidably connected with the third sealing pin 82, the third piston 83 is in threaded connection with a threaded portion of the third rotating shaft 31 in the third pneumatic cavity 45, a fourth air passage 43 is fixedly connected between the bottom wall of the right side of the third pneumatic cavity 45 and the outside, a third air passage 89 is fixedly connected between the top wall of the left side of the third pneumatic cavity 45 and a second pneumatic cavity 87 in the second pneumatic bevel gear 85, a second piston 86 fixedly connected with the upper end of the drill connecting rod 42 is arranged in the second air pressure cavity 87 in a sliding connection manner, a second spring 88 is fixedly connected between the second piston 86 and the bottom wall of the second air pressure cavity 87, an air pump 12 is fixedly connected in the left side end wall of the drill cavity 90, a first air pressure cylinder 13 is arranged at the left side of the air pump 12, a first air channel 18 is fixedly connected between the air pump 12 and the right side bottom wall of a first air pressure cavity 15 in the first air pressure cylinder 13, a first position switch 14 is fixedly connected with the right side top wall of the first air pressure cavity 15, a first sealing pin 17 is fixedly connected on the bottom wall of the first air pressure cavity 15, a first piston 16 in a sliding connection manner is arranged on the first sealing pin 17, a first connecting rod 19 capable of sliding between the conveying cavities 46 is fixedly connected at the lower end of the first piston 16, the lower end of the first connecting rod 19 is in contact with four first position protrusions 23 which are uniformly distributed and fixedly connected with the periphery of the upper end of the supporting body 22, a second air channel 11 is fixedly connected between the left top wall of the first air pressure cavity 15 and the second air pressure cavity 87, a fourth sliding cavity 55 with a right opening is arranged below the air pump 12, a fourth position switch 57 is fixedly connected in the left end wall of the fourth sliding cavity 55, a fourth sliding plate 54 is slidably arranged in the fourth sliding cavity 55, a fourth spring 58 is fixedly connected between the fourth sliding plate 54 and the left inner wall of the fourth sliding cavity 55, a fourth connecting rod 59 is slidably connected between the fourth sliding cavity 55 and the drilling cavity 90, a fourth sliding block 56 which can slide on the fourth sliding plate 54 is arranged in the fourth sliding cavity 55, and a second position protrusion 60 which is fixedly connected on the right side of the fourth connecting rod 59 and the left end face of the drilling device 33 The ends are contacted with each other to complete the air pressure control function of the design.

The following detailed description of the steps of an automated precision drilling apparatus is provided with reference to fig. 1 to 6: initially, the workpiece is positioned on the supporting frame 49 on the left side, the clamping spring 53 is in a slightly compressed state, the push plate 52 slightly clamps the workpiece, the push block 20 is positioned inside the supporting frame 49, the clamp 50 is in an open state, the first connecting rod 19 does not contact the first position protrusion 23, the first piston 16 is positioned at the lower end of the first pneumatic chamber 15, the first piston 16 is not in contact with the first position switch 14, the first sealing pin 17 penetrates into the first piston 16, the air flow in the first pneumatic chamber 15 is in a closed state, the second spring 88 is in a compressed state, the second piston 86 is positioned at the upper end of the second pneumatic chamber 87, the air flow in the second pneumatic chamber 87 is in a circulating state, the drill 33 is positioned at the uppermost position, the pneumatic control bevel gear 39 is engaged with the third low-pressure bevel gear 40, the third piston 83 is located at the lower end of the third pneumatic chamber 45, the third piston 83 contacts with the third position switch 84, the third sealing pin 82 extends into the third piston 83, the airflow in the third pneumatic chamber 45 is in a closed state, the pneumatic control bevel gear 39 is meshed with the third low-pressure bevel gear 40, the circumferential rack 81 is meshed with the third straight gear 34, the right side of the fourth connecting rod 59 contacts with the left end of the second position protrusion 60, the fourth slider 56 drives the fourth sliding plate 54 to contact with the fourth position switch 57, the fourth spring 58 is in a compressed state, and the fourth position switch 57 controls the transmission power motor 27 to be turned on.

The conveying power motor 27 is started to drive the conveying motor shaft 28 to rotate, the conveying motor shaft 28 drives the first conveying power bevel gear 26 to rotate, the second conveying power bevel gear 25 is driven to rotate, the second conveying power bevel gear 25 drives the supporting body 22 to rotate, the supporting body 22 drives the supporting frame 49 to rotate inwards, the supporting body 22 drives the inner end of the sliding rod 21 to contact with the convex part of the cam 48, the cam 48 pushes the sliding rod 21 to slide outwards on the supporting frame 49, the sliding rod 21 drives the push block 20 to slide outwards, the push block 20 drives the clamp 50 to rotate, the push block 20 slides outwards to increase the spring force of the clamping spring 53, the clamping spring 53 drives the push plate 52 to gradually press the workpiece, and when the supporting body 22 rotates to the innermost position, the push block 20 slides to the outermost side, the push block 20 drives the clamp 50 to clamp the workpiece in the front-back direction, the clamp 50 is in a tight fit state, the spring force of the clamping spring 53 is the largest, the clamping spring 53 is in a highly compressed state, and the clamping spring 53 drives the push plate 52 to clamp the workpiece in the left-right direction.

Meanwhile, the supporting body 22 drives the first position protrusion 23 to rotate to the lower end of the first connecting rod 19, the first position protrusion 23 drives the first connecting rod 19 to slide to the top end, the first connecting rod 19 drives the first piston 16 to slide upwards to the top end of the first air pressure cavity 15, the first piston 16 is separated from the first sealing pin 17, the air flow in the first air pressure cavity 18 is in a circulating state, the first piston 16 is in contact with the first position switch 14, the first position switch 14 controls the conveying power motor 27 to be closed, and the first position switch 14 controls the air pump 12, the air pressure control motor 37, the twist drill motor 73 and the countersink drill motor 78 to be opened.

When the air pump 12 is started, high-pressure air passes through the first air passage 18 and the first air pressure chamber 15, the second air passage 11 reaches the second air pressure chamber 87, the air pressure in the second air pressure chamber 87 increases to drive the second piston 86 to slide to the lower end of the second air pressure chamber 87, the second piston 86 drives the drill connecting rod 42 to move downwards to the lower end, the second spring 88 is in a highly compressed state, the drill connecting rod 42 drives the drill 33 to move downwards to the lowest end, the right end of the fourth connecting rod 59 is not in contact with the second position protrusion 60, the fourth spring 58 drives the fourth sliding plate 54 to move rightwards, the fourth position switch 57 is not in contact with the fourth sliding plate 54, the fourth sliding plate 54 drives the fourth sliding block 56 to move rightwards to be in contact with the right end wall of the fourth sliding chamber 55, the fourth slider 56 drives the fourth connecting rod 59 to move rightmost, at this moment, the right end of the fourth connecting rod 59 is located above the second position protrusion 60, the drill 33 drives the pin through hole 70 to move downwards and contact with the pin 32, the drill 33 drives the twist drill thread bush 62 to move downwards, the twist drill thread bush 62 drives the twist drill connecting rod 71 to move downwards, the twist drill connecting rod 71 drives the twist drill motor base 72 to move downwards, the twist drill motor base 72 drives the twist drill motor 73 to move downwards, the twist drill motor 73 drives the twist drill motor shaft 74 to move downwards, the twist drill motor shaft 74 drives the twist drill 75 to move downwards, and the twist drill 75 punches on a workpiece on the supporting frame 47.

When the drill connecting rod 42 moves downwards to the lowest end, the drill connecting rod 42 drives the air pressure control connecting rod 36 to move downwards to the lowest end, the air pressure control connecting rod 36 drives the air pressure control motor base 41 to move downwards to the lowest end, the air pressure control motor base 41 drives the air pressure control motor 37 to move downwards to the lowest end, the air pressure control motor 37 drives the air pressure control motor shaft 38 to move downwards to the lowest end, the air pressure control motor shaft 38 drives the air pressure control bevel gear 39 to move downwards to the lowest end and to be meshed with the third high-pressure bevel gear 35, the air pressure control bevel gear 39 drives the third high-pressure bevel gear 35 to rotate, the third high-pressure bevel gear drives the third rotating shaft 31 to rotate, the third rotating shaft 31 drives the third piston 83 to move upwards to the upper end of the third air pressure cavity 45, and the third piston 83 is not in contact with the third position switch 84, the third position switch 84 controls the air pump 12 to stop, the third piston 83 is separated from the third sealing pin 82, the air flow in the third air pressure chamber 45 is in a circulating state, resulting in the pressure in the second air pressure chamber 87 to decrease, the second spring 88 drives the second piston 86 to ascend to an initial position, the second piston 86 drives the drill connecting rod 42 to move upward to the uppermost end, the drill connecting rod 42 drives the drill 33 to move upward to the uppermost end, the drill 33 drives the circumferential rack 81 to move upward to be engaged with the third straight gear 34, the drill 33 drives the second position protrusion 60 to move upward to the uppermost end, the second position protrusion 60 drives the fourth connecting rod 59 to move upward to the uppermost end, the fourth connecting rod 59 drives the fourth sliding block 56 to move upward to the uppermost end, and meanwhile, the drill connecting rod 42 drives the air pressure control connecting rod 36 to move upward to the uppermost end, the pneumatic control connecting rod 36 drives the pneumatic control motor base 41 to move upwards to the top, the pneumatic control motor base 41 drives the pneumatic control motor 37 to move upwards to the top, the pneumatic control motor 37 drives the pneumatic control motor shaft 38 to move upwards to the top, the pneumatic control motor shaft 38 drives the pneumatic control bevel gear 39 to move upwards to the top and to be meshed with the third low-voltage bevel gear 40, the pneumatic control bevel gear 39 drives the third low-voltage bevel gear 40 to rotate, the third low-voltage bevel gear drives the third rotating shaft 31 to rotate in the opposite direction, the third rotating shaft 31 drives the third straight gear 34 to rotate, the third straight gear 34 drives the circumferential rack 81 to rotate, the circumferential rack 81 drives the perforator 33 to rotate, the perforator 33 drives the second position switch 60 to rotate when rotating to a certain angle, the second position switch 60 is no longer in contact with the fourth link 59, the fourth link 59 is in contact with the left end wall of the drill 33, the fourth connecting rod 59 moves downwards due to the action of gravity, the fourth connecting rod 59 drives the fourth sliding block 56 to move downwards to the lowest end, simultaneously, the perforator 33 drives the twist drill threaded rod 61 with the countersink drill threaded rod 68 rotates, drives the twist drill thread bush 62 with the countersink drill thread bush 67 rotates, drives the twist drill connecting rod 71 with the countersink drill connecting rod 76 rotates, drives the twist drill motor mount 72 with the countersink drill motor mount 77 rotates, drives the twist drill motor 73 with the countersink drill motor 78 rotates, drives the twist drill motor shaft 74 with the countersink drill motor shaft 79 rotates, drives the twist drill 75 with the countersink drill 80 rotates, and is the time the twist drill 75 with the countersink drill 80 trades the position.

Meanwhile, the third rotating shaft 31 rotates to drive the third piston 83 to slide downwards, the third piston 83 is in contact with the third sealing pin 82, the air flow in the third sealing cavity 45 is not circulated, when the third piston 83 slides downwards to the lowest end of the third air pressure cavity 45, the drill 33 just rotates 180 degrees to drive the twist drill 75 and the countersink drill 80 to exchange positions, the third piston 83 is in contact with the third position switch 84, the third position switch 84 controls the air pump 12 to be opened, the air pressure in the second sealing cavity 45 is increased, the second piston 86 slides to the lower end of the second air pressure cavity 87, the second piston 86 drives the drill connecting rod 42 to move downwards to the lower end, the second spring 88 is in a highly compressed state, the drill connecting rod 42 drives the drill 33 to move downwards to the lowest end, the fourth connecting rod 59 right-hand member with the wall no longer contacts on the left side of the perforator 33, the perforator 33 drives the counter boring drill thread bush 67 moves down, the counter boring drill thread bush 67 drives the counter boring drill connecting rod 76 moves down, the counter boring drill connecting rod 76 drives the counter boring drill motor base 77 moves down, the counter boring drill motor base 77 drives the counter boring drill motor 78 moves down, the counter boring drill motor 78 drives the counter boring drill motor shaft 79 moves down, the counter boring drill motor shaft 79 drives the counter boring drill 80 moves down, the counter boring drill 80 is in the counter boring on the work piece on the supporting rack 47.

When the drill connecting rod 42 moves downwards to the lowest end, the drill connecting rod 42 drives the air pressure control connecting rod 36 to move downwards to the lowest end, the air pressure control connecting rod 36 drives the air pressure control motor base 41 to move downwards to the lowest end, the air pressure control motor base 41 drives the air pressure control motor 37 to move downwards to the lowest end, the air pressure control motor 37 drives the air pressure control motor shaft 38 to move downwards to the lowest end, the air pressure control motor shaft 38 drives the air pressure control bevel gear 39 to move downwards to the lowest end and to be meshed with the third high-pressure bevel gear 35, the air pressure control bevel gear 39 drives the third high-pressure bevel gear 35 to rotate, the third high-pressure bevel gear 35 drives the third rotating shaft 31 to rotate, the third rotating shaft 31 drives the third piston 83 to move upwards to the upper end of the third air pressure cavity 45, and the third piston 83 is not in contact with the third position switch 84, the third position switch 84 controls the air pump 12 to stop, the third piston 83 is separated from the third sealing pin 82, the air flow in the third air pressure chamber 45 is in a circulating state, so that the air pressure in the second air pressure chamber 87 is reduced, the second spring 88 drives the second piston 86 to ascend to an initial position, the second piston 86 drives the drill connecting rod 42 to move upwards to the uppermost end, the drill connecting rod 42 drives the drill 33 to move upwards to the uppermost end, the drill 33 drives the twist drill 75 and the countersink drill 80 to move upwards to the uppermost end, the drill 33 drives the circumferential rack 81 to move upwards to be meshed with the third straight gear 34, the right end of the fourth connecting rod 59 is in contact with the end wall on the left side of the drill 33, the drill connecting rod 42 drives the air pressure control connecting rod 36 to move upwards to the uppermost end, the pneumatic control connecting rod 36 drives the pneumatic control motor base 41 to move upwards to the top, the pneumatic control motor base 41 drives the pneumatic control motor 37 to move upwards to the top, the pneumatic control motor 37 drives the pneumatic control motor shaft 38 to move upwards to the top, the pneumatic control motor shaft 38 drives the pneumatic control bevel gear 39 to move upwards to the top and to be meshed with the third low-pressure bevel gear 40, the pneumatic control bevel gear 39 drives the third low-pressure bevel gear 40 to rotate, the third low-pressure bevel gear 40 drives the third rotating shaft 31 to rotate in the opposite direction, the third rotating shaft 31 drives the third straight gear 34 to rotate, the third straight gear 34 drives the reamer 33 to rotate, the reamer 33 drives the twist drill threaded rod 61 and the hole drill threaded rod 68 to rotate, drives the twist drill threaded sleeve 62 and the hole drill threaded sleeve 67 to rotate, drive fluted drill connecting rod 71 with countersink drill connecting rod 76 rotates, drives fluted drill motor cabinet 72 with countersink drill motor cabinet 77 rotates, drives fluted drill motor 73 with countersink drill motor 78 rotates, drives fluted drill motor shaft 74 with countersink drill motor shaft 79 rotates, drives fluted drill 75 with countersink drill 80 rotates, makes fluted drill 75 with countersink drill 80 trades the position.

Meanwhile, the third rotating shaft 31 rotates to drive the third piston 83 to slide downwards, the third piston 83 contacts with the third seal pin 82, the airflow in the third seal cavity 45 is not circulated, the drill 33 drives the second position switch 60 to rotate, when the third piston 83 slides downwards to the lowest end of the third pneumatic cavity 45, the right end of the fourth connecting rod contacts with the second position switch 60, the second position switch 60 drives the fourth connecting rod 59 to slide leftwards, when the third piston 83 slides downwards to the lowest end of the third pneumatic cavity 45, the third piston 83 contacts with the third position switch 84, the drill 33 rotates just 180 degrees, the twist drill 75 and the hole drill 80 are driven to interchange positions, the fourth sliding rod 59 slides to the leftmost end, the fourth sliding rod 59 drives the fourth sliding block 56 to move to the leftmost end, and the fourth sliding block 56 drives the fourth sliding plate 54 to slide to the leftmost end, the fourth sliding plate 54 contacts with the fourth position switch 57 to control the power transmission motor 27 to be started, and the first position switch 14 controls the air pump 12, the air pressure control motor 37, the twist drill motor 73 and the spot facing drill motor 78 to be stopped to complete the precise hole making of a workpiece.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides an automatic change precision system hole equipment, includes the box, its characterized in that: a conveying cavity is arranged in the left end wall of the box body, the opening of the conveying cavity is leftward, a recycling cavity with an upward opening is arranged on the right end wall of the conveying cavity, a recycling barrel with an upward opening and used for recycling scrap iron is arranged in the recycling cavity, a conveying shaft fixedly connected with the upper end wall and the lower end wall of the conveying cavity is arranged in the conveying cavity, a conveying device used for conveying workpieces is rotatably arranged on the conveying shaft, the conveying device can convey the workpieces from the outside of the box body to the conveying cavity, a clamping device is slidably arranged on the conveying device, the clamping device can clamp the workpieces after the workpieces are conveyed into the conveying cavity by the conveying device, subsequent processing is facilitated, a drilling cavity is arranged above the right side of the conveying cavity, the opening of the drilling cavity is downward, the left end wall of the drilling cavity is communicated with the right end wall of the conveying cavity, and a, the drilling device is internally and simultaneously provided with the twist drill and/or the countersink drill, the twist drill can move downwards when the conveying device conveys a workpiece to the innermost position of the conveying cavity and punches on the workpiece, the countersink drill can remove burrs generated on the surface of the workpiece by drilling the twist drill to manufacture a high-quality hole, pits or holes with different shapes can be reamed on the surface of the workpiece according to different requirements so as to meet various connection forms, the drilling device is internally and fixedly provided with the bevel gear sleeve for adjusting the position, the bevel gear sleeve is provided with a scale for recording the horizontal positions of the twist drill and the countersink drill, a worker can contrast the scale and manually rotate the bevel gear sleeve, so that the bevel gear sleeve controls the twist drill and the countersink drill to move in the horizontal direction, and the position precision of the hole of the twist drill is ensured, the drilling device lower extreme is equipped with and is fixed in the pin that is used for guaranteeing the straightness that hangs down on the box, the pin can run through during drilling device drilling inside the drilling device guarantees the high straightness requirement that hangs down of fluted drill drilling hole, be equipped with in the drilling chamber roof and be used for driving the pneumatic control device that drilling device removed, pneumatic control device is steerable drilling device reciprocating motion from top to bottom finally realizes automatic accurate system hole on the work piece.

2. An automated precision drilling apparatus as claimed in claim 1, wherein: the conveying device comprises a supporting body which is arranged on the conveying shaft in a rotating connection mode, a hollow cavity for placing the clamping device is formed in the supporting body, a supporting frame which is uniformly distributed is fixedly connected to the periphery of the outer side of the supporting body, a baffle is fixedly connected to the outermost side of the supporting frame, a second conveying power bevel gear is fixedly connected to the lower end of the supporting body, a conveying motor is fixedly connected to the inner side of the bottom wall of the conveying cavity, a conveying motor shaft is arranged above the conveying motor in a power connection mode, and a first conveying power bevel gear meshed with the second conveying power bevel gear is arranged at the upper end of the conveying motor shaft to achieve the conveying function of the conveying device.

3. An automated precision drilling apparatus as claimed in claim 1, wherein: clamping device include hollow intracavity be equipped with carry axle fixed connection's cam, hollow chamber with carry sliding connection between the chamber to be equipped with the slide bar, the slide bar is in hollow intracavity with the cam contacts all around, the slide bar is in carry intracavity fixed connection's trapezoidal ejector pad that is equipped with, trapezoidal ejector pad left side is equipped with the push pedal, the push pedal with fixed connection is equipped with the centre gripping spring between the trapezoidal ejector pad, trapezoidal ejector pad with the push pedal can slide on the supporting rack, rotate on the supporting rack and be connected be equipped with anchor clamps, the anchor clamps right-hand member with trapezoidal ejector pad contacts to accomplish the clamping function of this design.

4. An automated precision drilling apparatus as claimed in claim 1, wherein: the drilling device comprises a second pneumatic cylinder fixedly arranged in the top wall of the drilling cavity, a second piston is arranged in the second pneumatic cylinder in a sliding manner, a drill connecting rod is arranged below the second piston and fixedly connected with the lower end of the drill connecting rod, a bevel gear pipe is arranged at the lower end of the drill connecting rod in a rotating manner, a scale gauge fixedly connected with the drill connecting rod is arranged above the bevel gear pipe, a drill connected with the drill connecting rod in a rotating manner is arranged below the bevel gear pipe, pin through holes symmetrical to the drill connecting rod are arranged on two sides of the drill, a pin fixedly connected with the box body is arranged under the pin through holes, a circumferential rack is arranged on the lower side of the outer wall surface of the drill, a threaded rod cavity is formed in the upper end wall of the drill, and a twist drill threaded rod and a threaded rod hole drill are arranged on the inner wall surface and the outer wall surface of the threaded rod cavity in a rotating manner, the twist drill threaded rod and the counter-boring drill threaded rod are mutually symmetrical about the drill connecting rod, a twist drill bevel gear meshed with the bevel gear pipe is arranged on the inner side of the twist drill threaded rod, a twist drill threaded sleeve is arranged in the threaded rod cavity in a threaded connection mode, a twist drill connecting rod is fixedly connected to the lower end face of the twist drill threaded sleeve, a twist drill motor base is fixedly connected to the lower end of the twist drill connecting rod, a twist drill motor is fixedly connected in the twist drill motor base, a twist drill motor shaft is arranged at the lower end of the twist drill motor in a power connection mode, a twist drill is fixedly connected to the lower end of the twist drill motor shaft, a counter-boring drill threaded rod is arranged in the threaded rod cavity in a threaded connection mode, a counter-boring drill threaded sleeve is arranged in the counter-boring drill threaded sleeve, and a counter-boring drill connecting rod is fixedly connected to the lower end face of the counter-boring drill threaded sleeve, counter boring bores connecting rod lower extreme fixed connection and is equipped with the counter boring and bores the motor cabinet, fixed connection's in the counter boring bores the motor cabinet and is equipped with the counter boring and bores the motor, what counter boring bore motor lower extreme power was connected is equipped with the counter boring and bores the motor shaft, counter boring bores motor shaft lower extreme fixed connection is equipped with the counter boring and bores to accomplish the function of punching of this design.

5. An automated precision drilling apparatus as claimed in claim 4, wherein: the pneumatic control device comprises a third rotating shaft which is rotatably arranged at the right side of the drilling cavity, a third straight gear which is meshed with the circumferential rack is arranged at the lower end of the third rotating shaft, a third high-pressure bevel gear which is fixedly connected with the third rotating shaft is arranged above the third straight gear, a third low-pressure bevel gear which is fixedly connected with the third rotating shaft is arranged above the third high-pressure bevel gear, a pneumatic control bevel gear which is meshed with the third low-pressure bevel gear is fixedly connected with the left side of the third low-pressure bevel gear, a pneumatic control motor shaft is fixedly connected with the left side of the pneumatic control bevel gear, a pneumatic control motor seat is arranged at the left end of the pneumatic control motor shaft, a pneumatic control motor which is fixedly connected with the pneumatic control motor shaft is fixedly connected in the pneumatic control motor seat, and a pneumatic control connecting rod which is fixedly connected with the drilling device connecting rod is fixedly connected with the left side of the pneumatic control motor seat, a third pneumatic cylinder fixed in the box body is arranged above the third low-pressure bevel gear, a third position switch is fixedly connected to the bottom wall of the left side of a third pneumatic cavity in the third pneumatic cylinder, a third sealing pin is fixedly connected to the bottom wall of the third pneumatic cavity, a third piston is slidably connected to the inner wall of the third pneumatic cavity and is in threaded connection with a threaded portion of a third rotating shaft in the third pneumatic cavity, a fourth air passage is fixedly connected between the bottom wall of the right side of the third pneumatic cavity and the outside, a third air passage is fixedly connected between the top wall of the left side of the third pneumatic cavity and the second pneumatic cavity in the second pneumatic cylinder, a second piston is fixedly connected to the upper end of the drill connecting rod and is slidably connected in the second pneumatic cavity, and a second spring is fixedly connected between the second piston and the bottom wall of the second pneumatic cavity, an air pump is fixedly connected in the end wall of the left side of the drill hole cavity, a first air cylinder is arranged on the left side of the air pump, a first air passage is fixedly connected between the air pump and the right side bottom wall of a first air pressure cavity in the first air cylinder, a first position switch is fixedly connected with the right side top wall of the first air pressure cavity, a first sealing pin is fixedly connected on the bottom wall of the first air pressure cavity, a first piston is slidably connected with the inner wall of the first air pressure cavity on the first sealing pin in a sliding manner, a first connecting rod capable of sliding between the conveying cavities is fixedly connected with the lower end of the first piston, the lower end of the first connecting rod is in contact with four uniformly distributed first position bulges fixedly connected around the upper end of the supporting body, and a second air passage is fixedly connected between the left side top wall of the first air pressure cavity and the second air pressure cavity, air pump below is equipped with the fourth chamber that slides that the opening is right, fourth slides chamber left side end wall internal fixation connection be equipped with fourth position switch, fourth intracavity slidable that slides is equipped with the fourth slide, the fourth slide with fixedly connected with fourth spring between the chamber left side inner wall slides, the fourth slide the chamber with gliding fourth connecting rod that is connected with from top to bottom between the drilling chamber, the fourth connecting rod is in the fourth slides the intracavity be equipped with can gliding fourth slider on the fourth slide, fourth connecting rod right side with the protruding left end of second position that is equipped with of fixed connection contacts on the drilling ware left side terminal surface to accomplish the atmospheric pressure control function of this design.