CN113500226B

CN113500226B - Bidirectional drilling equipment for machining

Info

Publication number: CN113500226B
Application number: CN202111054098.5A
Authority: CN
Inventors: 季栋梁
Original assignee: Nantong Lixing Machinery Manufacturing Co ltd
Current assignee: Nantong Lixing Machinery Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-19
Anticipated expiration: 2041-09-09
Also published as: CN113500226A

Abstract

The invention discloses bidirectional drilling equipment for machining, which comprises a box body, wherein a drilling chamber is arranged in the box body, rotating rods are rotatably connected to the inner walls of the left side and the right side of the drilling chamber, sleeves are sleeved on the two rotating rods, transverse grooves are formed in the two rotating rods, guide blocks are arranged in the two transverse grooves, the two guide blocks are connected with the inner walls of the corresponding transverse grooves in a sliding mode, one ends, far away from the corresponding rotating rods, of the two guide blocks are fixedly connected with the inner walls of the corresponding sleeves, opposite ends of the two sleeves are fixedly connected with drill bits, thread layers are arranged on the two rotating rods, and moving blocks are connected to the thread layers of the two rotating rods in a threaded mode. This equipment can carry out two-way drilling to panel, and to panel drilling's speed with higher speed, two drill bits can not contact each other when guaranteeing part drilling quality to the life of extension drill bit, and carry out the dust fall when drilling and fall the processing of making an uproar, thereby avoid staff's operational environment to receive the influence.

Description

Bidirectional drilling equipment for machining

Technical Field

The invention relates to the technical field of machining equipment, in particular to bidirectional drilling equipment for machining.

Background

In order to facilitate the subsequent fixing of a plurality of parts by bolts in the machining process of the parts, drilling treatment is often required to be carried out on the surfaces of the parts, however, the existing drilling equipment still has the following problems:

current drilling equipment is at the drilling in-process, only one-way drilling can be carried out, but one-way drilling's speed is slower, work efficiency is lower, when carrying out two-way punching to the part, because the relative movement of two drill bits can lead to boring the back at panel, the contact appears in two drill bits, thereby lead to carrying out the looks mutual friction between two drill bits, lead to drill bit life to reduce, simultaneously because the setting of width under the drill bit, make the size that can't guarantee hole on the work piece when carrying out two-way drilling meet the requirements, therefore, how this problem of reasonable solution is that we need consider.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides bidirectional drilling equipment for machining, which can be used for bidirectionally drilling a plate, accelerating the speed of drilling the plate, ensuring the drilling quality of a part and preventing two drill bits from being contacted with each other, thereby prolonging the service life of the drill bits, and performing dust-settling and noise-reducing treatment during drilling so as to avoid the influence on the working environment of workers.

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

the bidirectional drilling equipment for machining comprises a box body, wherein a drilling chamber is arranged in the box body, rotating rods are rotatably connected to the inner walls of the left side and the right side of the drilling chamber, sleeves are sleeved on the two rotating rods, transverse grooves are formed in the two rotating rods, guide blocks are arranged in the transverse grooves, the guide blocks are slidably connected with the inner walls of the corresponding transverse grooves, one ends, far away from the corresponding rotating rods, of the guide blocks are fixedly connected with the inner walls of the corresponding sleeves, opposite ends of the two sleeves are fixedly connected with drill bits, thread layers are arranged on the two rotating rods, moving blocks are connected to the thread layers of the two rotating rods in a threaded mode, the two moving blocks) are located on one sides, far away from the drill bits, of the corresponding sleeves, two abutting rods are symmetrically arranged at one ends, near the sleeves, of the two moving blocks, and one ends, far away from the corresponding moving blocks, of the abutting rods and one ends, far away from the drill bits, of the sleeves are in a contact state.

Preferably, the inner walls of the left side and the right side of the drilling chamber are provided with first mounting blocks, the upper ends of the two first mounting blocks are provided with guide grooves, the lower ends of the two moving blocks extend into the corresponding guide grooves, and the moving blocks are connected with the inner walls of the corresponding guide grooves in a sliding mode.

Preferably, a touch delay switch matched with the moving block is arranged on the inner wall of the right side of the guide groove and located on the left side, a rectangular cavity is formed in the sleeve, an electromagnet is installed on the inner wall of the left side of the rectangular cavity, a magnetic block is arranged in the rectangular cavity and is in sliding connection with the inner wall of the rectangular cavity, the adjacent surface of the magnetic block and the electromagnet is elastically connected through a reset spring, the left end of the drill bit is located on the left side, extends into the rectangular cavity and is fixedly connected with the right side of the magnetic block, two limiting blocks are symmetrically arranged at the inner bottom and the inner top of the rectangular cavity and located between the electromagnet and the magnetic block.

Preferably, be equipped with horizontal chamber in the box, horizontal chamber is located the top of drilling room, horizontal intracavity has placed double-shaft motor, two the equal fixedly connected with horizontal pole of two output shaft ends of double-shaft motor, two the one end that double-shaft motor was kept away from to the horizontal pole rotates with the left and right sides inner wall in horizontal chamber respectively and is connected, two through the transmission structure transmission between bull stick and the horizontal pole that corresponds.

Preferably, two electric telescopic rods are symmetrically arranged at the inner bottom and the inner top of the drilling chamber, and the telescopic ends of the two electric telescopic rods are fixedly connected with fixing plates.

Preferably, a water storage cavity is arranged in the box body and located at the lower end of the drilling chamber, and the bottom space of the drilling chamber is communicated with the top space of the water storage cavity through a plurality of short pipes.

Preferably, horizontal intracavity symmetry is equipped with two fixed blocks, two the horizontal pole all runs through the fixed block and rotates with the fixed block to be connected, two all be equipped with the screw thread layer on the horizontal pole, two screw thread layer threaded connection on the horizontal pole has the sliding block, the sliding block is with the common fixedly connected with folding gasbag of looks proximal surface that corresponds the fixed block, two folding gasbag passes through feed liquor pipe intercommunication with the bottom space in water storage chamber, the symmetry is equipped with two shower nozzles, two on the left and right sides inner wall of drilling room folding gasbag and the drain pipe intercommunication that passes through of corresponding shower nozzle, all be equipped with the check valve on feed liquor pipe and the drain pipe.

Preferably, the internal symmetry of box is equipped with two and erects the chamber, two erect the chamber and be located the left and right sides in horizontal chamber respectively, two the one end that biax motor was kept away from to the horizontal pole all extends to the perpendicular intracavity that corresponds, two the horizontal pole is located the outer wall fixedly connected with magnetic stripe that corresponds and erects the intracavity, two second installation pieces, two are installed to the symmetry on the left and right sides inner wall of drilling room the equal fixedly connected with in upper end of second installation piece and the vibrating spring that corresponds shower nozzle matched with, two vibrating spring keeps away from the one end that corresponds second installation piece and the interior top fixed connection of drilling room.

The invention has the following beneficial effects:

1. compared with the prior art, the arrangement of the electromagnet ensures that the two drill bits move in the same direction when the two drill bits are in contact with each other, thereby ensuring the drilling quality of a workpiece and avoiding the contact of the two drill bits, thereby prolonging the service life of the two drill bits;

2. compared with the prior art, when drilling is carried out, the two folding air bags are alternately expanded and contracted, water in the water storage cavity is sucked and then sprayed into the drilling chamber through the spray head, dust falling treatment is carried out, and the influence of dust on the working environment of workers is avoided;

3. compared with the prior art, incessantly vibrate through vibrating spring and break up shower nozzle spun water and form the water smoke to can be better carry out the dust fall effect to the drilling room, and the water smoke in the drilling room can play certain noise reduction effect, thereby make staff's operational environment better.

Drawings

FIG. 1 is a schematic structural diagram of a bidirectional drilling apparatus for machining according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in 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 in FIG. 1;

FIG. 5 is an enlarged view of the structure of FIG. 1 at D;

FIG. 6 is a schematic front perspective view of FIG. 1;

fig. 7 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: the device comprises a box body 1, a drilling chamber 2, a water storage chamber 3, an electric telescopic rod 4, a fixing plate 5, a transverse chamber 6, a double-shaft motor 7, a cross rod 8, a fixing block 9, a sliding block 10, a folding air bag 11, a liquid inlet pipe 12, a liquid outlet pipe 13, a sleeve 14, a transmission structure 15, a rotating rod 16, a drill bit 17, a first mounting block 18, a guide groove 19, a moving block 20, a pushing rod 21, a touch delay switch 22, a rectangular chamber 23, an electromagnet 24, a reset spring 25, a magnetic block 26, a transverse groove 27, a compression spring 28, a guide block 29, a spray head 30, a vertical chamber 31, a magnetic stripe 32, a second mounting block 33 and a vibration spring 34.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

Referring to fig. 1-6, a bidirectional drilling device for machining, comprising a box body 1, a drilling chamber 2 is arranged in the box body 1, a sliding door (as shown in fig. 6) is arranged at the front side of the drilling chamber 2, a pull handle is arranged on the sliding door for opening the sliding door conveniently, two electric telescopic rods 4 are symmetrically arranged at the inner bottom and the inner top of the drilling chamber 2, a control panel and an external power supply can be arranged, the two electric telescopic rods 4 and a double-shaft motor 7 can be controlled by the control panel, a fixed plate 5 is fixedly connected at the telescopic ends of the two electric telescopic rods 4, rotating rods 16 are rotatably connected on the inner walls of the left side and the right side of the drilling chamber 2, sleeves 14 are sleeved on the two rotating rods 16, transverse grooves 27 are arranged on the two rotating rods 16, guide blocks 29 are arranged in the transverse grooves 27, the guide blocks 29 are slidably connected with the inner walls of the corresponding transverse grooves 27, and the guide blocks 29 guide the left and right movement of the sleeves 14, the one end that corresponds bull stick 16 and the inner wall fixed connection that corresponds sleeve 14 are kept away from to two guide blocks 29, the equal fixedly connected with drill bit 17 of the looks remote site of two sleeves 14, all be equipped with the screw thread layer on two bull sticks 16, the screw thread layer of the screw thread layer similar reciprocal lead screw on two bull sticks 16, equal threaded connection has movable block 20 on the screw thread layer of two bull sticks 16, two movable blocks 20 all are located the one side that the drill bit 17 was kept away from to corresponding sleeve 14, two abutting bars 21 are installed to the equal symmetry of one end that two movable blocks 20 are close to sleeve 14, the one end that corresponds movable block 20 was kept away from to a plurality of abutting bars 21 and the one end that the drill bit 17 was kept away from to sleeve 14 are in the contact state.

Wherein, the inner walls of the left and right sides of the drilling chamber 2 are respectively provided with a first mounting block 18, the upper ends of the two first mounting blocks 18 are respectively provided with a guide groove 19, the lower ends of two moving blocks 20 extend into the corresponding guide grooves 19, the moving blocks 20 are connected with the inner walls of the corresponding guide grooves 19 in a sliding way, the inner wall of the right side of the guide groove 19 positioned on the left side is provided with a touch delay switch 22 matched with the moving blocks 20, the touch delay switch 22 is provided with a metal induction sheet outside, a signal is generated after the touch delay switch is contacted with the moving block 20 positioned on the left side to trigger a triode to be conducted, a capacitor is charged, the capacitor forms a voltage to maintain a field effect tube to be conducted, so that the electromagnet 24 is electrified, the sleeve 14 positioned on the left side is internally provided with a rectangular cavity 23, the inner wall of the left side of the rectangular cavity 23 is provided with an electromagnet 24, and the power supply, the touch delay switch 22 and the electromagnet 26 form a closed loop through electric conduction, when the moving block 20 is in contact with the touch delay switch 22, at the moment, the electromagnet 26 is powered on for a period of time, the magnetic block 26 is arranged in the rectangular cavity 23, the magnetic block 26 is rectangular, so that the magnetic block 26 can drive the corresponding drill bit 17 to rotate when the sleeve 14 rotates, the magnetic block 26 is in sliding connection with the inner wall of the rectangular cavity 23, the adjacent surfaces of the magnetic block 26 and the electromagnet 24 are elastically connected through the reset spring 25, the left end of the drill bit 17 located on the left side extends into the rectangular cavity 23 and is fixedly connected with the right side of the magnetic block 26, two limit blocks are symmetrically arranged on the inner bottom and the inner top of the rectangular cavity 23 and located between the electromagnet 24 and the magnetic block 26, and the reset spring 25 is prevented from being compressed when the drill bit 17 located on the left side moves to the right.

Wherein, be equipped with horizontal chamber 6 in the box 1, horizontal chamber 6 is located the top of drilling room 2, double-shaft motor 7 has been placed in horizontal chamber 6, the equal fixedly connected with horizontal pole 8 in two output shaft ends of double-shaft motor 7, the one end that double-shaft motor 7 was kept away from to two horizontal poles 8 rotates with the left and right sides inner wall in horizontal chamber 6 respectively to be connected, be connected through the transmission of transmission structure 15 between two bull sticks 16 and the horizontal pole 8 that corresponds, transmission structure 15 is including setting up the drive wheel on horizontal pole 8 and bull stick 16 respectively, two drive wheels pass through the drive belt and connect.

Wherein, a water storage cavity 3 is arranged in the box body 1, the water storage cavity 3 is positioned at the lower end of the drilling cavity 2, the bottom space of the drilling cavity 2 is communicated with the top space of the water storage cavity 3 through a plurality of short pipes, two fixed blocks 9 are symmetrically arranged in the transverse cavity 6, two cross rods 8 both penetrate through the fixed blocks 9 and are rotatably connected with the fixed blocks 9, thread layers are arranged on the two cross rods 8, thread layers on the two cross rods 8 are in threaded connection with sliding blocks 10, the sliding blocks 10 and the adjacent surfaces corresponding to the fixed blocks 9 are fixedly connected with folding airbags 11 together, the two folding airbags 11 are communicated with the bottom space of the water storage cavity 3 through a liquid inlet pipe 12, two spray heads 30 are symmetrically arranged on the inner walls at the left side and the right side of the drilling cavity 2, the two folding airbags 11 are communicated with the corresponding spray heads 30 through a liquid outlet pipe 13, one-way valves are arranged on the liquid inlet pipe 12 and the liquid outlet pipe 13, water in the water storage cavity 3 unidirectionally enters the folding airbags 11 through the liquid inlet pipe 12, the water in the folding air bag 11 enters the spray head 30 in one way through the liquid outlet pipe 13.

The invention can be illustrated by the following operating modes: opening a sliding door at the front side of the drilling chamber 2, controlling the lengths of two electric telescopic rods 4 through a control panel, clamping a workpiece between two fixing plates 5, enabling the drilling position on the workpiece and two drill bits 17 to be on the same horizontal plane, closing the sliding door at the moment, and starting a double-shaft motor 7;

the double-shaft motor 7 is started to drive the two cross rods 8 to rotate, the two cross rods 8 rotate to drive the corresponding rotating rods 16 to rotate through the two transmission structures 15, and the two rotating rods 16 rotate to enable the two moving blocks 20 to move oppositely and then move back to back;

when the two moving blocks 20 move relatively, the two abutting rods 21 move relatively to abut against the sleeve 14, and the rotating rod 16, the guide block 29 and the inner wall of the sleeve 14 are fixedly connected, so that the two sleeves 14 move towards the direction close to the workpiece in the rotating process, and the two drill bits 17 move relatively while rotating to drill the workpiece on two sides;

in the process of double-sided drilling, when two drill bits 17 are about to contact, at the moment, the two moving blocks 20 move to the limit positions, the moving block 20 located on the left side contacts with the touch delay switch 22, at the moment, the electromagnet 24 is electrified, the two moving blocks 20 start to move back to back due to the thread layers on the two rotating rods 16, the plurality of abutting rods 21 do not abut against the corresponding sleeve 14 any more, at the moment, the two sleeves 14 move back to back due to the elastic action of the compression spring 28, the moving block 20 located on the left side does not contact with the touch delay switch 22 any more, so that the circuit of the electromagnet 24 is automatically disconnected after a period of time, and the electromagnet 24 can be electrified for a period of time;

after the electromagnet 24 is electrified, a repulsive force is exerted on the magnetic block 26, so that the magnetic block 26 drives the corresponding drill bit 17 to move right, and when the two sleeves 14 move back to back, the two drill bits 17 move in the same direction, so that the workpiece is drilled under the condition that the two drill bits 17 are not in contact, and the drilling quality of the workpiece is ensured on the premise that the service lives of the two drill bits 17 are prolonged;

it is worth mentioning that the roughness of the inner wall of the rectangular cavity 23 can be set so that the magnetic block 26 moves the drill 17 faster than the sleeve 14 moves on the rotary rod 16 and slower than twice the sleeve 14 moves on the rotary rod 16, so that the two drills will not contact after the plate is drilled through.

Since the initial positions of the two sliding blocks 10 are shown in the figures, during the rotation of the two transverse rods 8, the two sliding blocks 10 always move in the same direction, taking the left slider 10 as an example, the rotation of the cross bar 8 will drive the slider 10 to move left and right, thereby expanding and contracting the folded air bag 11, expanding the folded air bag 11 to increase the space in the folded air bag 11, reducing the air pressure, under the action of atmospheric pressure, water in the water storage cavity 3 can enter the folding air bag 11 through the liquid inlet pipe 12, when the folding air bag 11 is contracted, the space in the folding air bag 11 is reduced, the air pressure is increased, so that water flow can be sprayed into the drilling chamber 2 through the liquid outlet pipe 13 and the spray head 30, dust generated in the drilling process is absorbed by water flow and then enters the water storage cavity 3 again through the short pipes, thereby carry out the dust fall to in the drilling room 2 and handle, avoid the dust to cause the influence to staff's operational environment.

Compared with the prior art, through the setting of electro-magnet 24, make when two drill bits 17 will contact soon, equidirectional motion is done to two drill bits 17, thereby avoid two drill bits 17 contacts when guaranteeing to work piece drilling quality, prolong the life of two drill bits 17, when simultaneously driling, two folding gasbag 11 alternate expansion shrink, inhale the water back in the water storage chamber 3 and spout to drilling room 2 in through shower nozzle 30, carry out the dust fall and handle, the dust of avoiding drilling room production is blown upward and is influenced staff's physical and mental health in operational environment.

Example 2

Referring to fig. 7, this embodiment is different from embodiment 1 in that, the symmetry is equipped with two perpendicular chambeies 31 in the box 1, two perpendicular chambeies 31 are located the left and right sides of horizontal chamber 6 respectively, the one end that biaxial motor 7 was kept away from to two horizontal poles 8 all extends to corresponding perpendicular intracavity 31, two horizontal poles 8 are located to correspond the outer wall fixedly connected with magnetic stripe 32 of erecting intracavity 31, two second installation pieces 33 are installed to the symmetry on the left and right sides inner wall of drilling room 2, the equal fixedly connected with in upper end of two second installation pieces 33 and correspond shower nozzle 30 matched with vibrating spring 34, two vibrating spring 34 keep away from the one end that corresponds second installation piece 33 and the interior top fixed connection of drilling room 2.

In this embodiment, can drive the magnetic stripe 32 that corresponds along with the incessant rotation of two horizontal poles 8 and rotate, two magnetic stripe 32 rotate can be continuous skip vibrating spring 34, thereby make vibrating spring 34 shake about not stopping, will correspond the back of scattering of shower nozzle 30 spun water, form the water smoke, these water smoke can be diffused in drilling room 2, thereby can be better carry out the dust fall effect to drilling room 2, and the water smoke in drilling room 2 can play certain noise reduction, thereby make staff's operational environment better.

Compared with the prior art, incessantly vibrate through vibrating spring 34 and break up shower nozzle 30 spun water and form water smoke, the water smoke in drilling room 2 can play certain noise reduction effect when carrying out the dust fall to make staff's operational environment be in the state of preferred.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a two-way drilling equipment for machining, includes box (1), its characterized in that: a drilling chamber (2) is arranged in the box body (1), rotating rods (16) are rotatably connected to the inner walls of the left side and the right side of the drilling chamber (2), sleeves (14) are sleeved on the two rotating rods (16), transverse grooves (27) are formed in the two rotating rods (16), guide blocks (29) are arranged in the transverse grooves (27), the guide blocks (29) are slidably connected with the inner walls of the corresponding transverse grooves (27), one ends, far away from the corresponding rotating rods (16), of the guide blocks (29) are fixedly connected with the inner walls of the corresponding sleeves (14), opposite ends of the two sleeves (14) are fixedly connected with drill bits (17), thread layers are arranged on the two rotating rods (16), moving blocks (20) are connected to the thread layers of the two rotating rods (16) in a threaded manner, and the two moving blocks (20) are positioned on one sides, far away from the drill bits (17), of the corresponding sleeves (14), two abutting rods (21) are symmetrically arranged at one end of each of the two moving blocks (20) close to the sleeve (14), and one end, far away from the corresponding moving block (20), of each abutting rod (21) is in a contact state with one end, far away from the drill bit (17), of the sleeve (14).

2. The bidirectional drilling apparatus for machining according to claim 1, wherein: the inner walls of the left side and the right side of the drilling chamber (2) are respectively provided with a first mounting block (18), the upper ends of the two first mounting blocks (18) are respectively provided with a guide groove (19), the lower ends of the two moving blocks (20) extend into the corresponding guide grooves (19), and the moving blocks (20) are connected with the inner walls of the corresponding guide grooves (19) in a sliding mode.

3. The bidirectional drilling apparatus for machining according to claim 2, characterized in that: be located on the left be equipped with on the right side inner wall of guide way (19) with movable block (20) matched with touch time delay switch (22), be located on the left be equipped with rectangle chamber (23) in sleeve (14), install electro-magnet (24) on the left side inner wall of rectangle chamber (23), be equipped with magnetic block (26) in rectangle chamber (23), magnetic block (26) and the inner wall sliding connection in rectangle chamber (23), magnetic block (26) and electro-magnet (24) adjacent surface pass through reset spring (25) elastic connection, be located on the left end of drill bit (17) extend to in rectangle chamber (23) and with the right side fixed connection of magnetic block (26), the interior bottom and the interior top symmetry in rectangle chamber (23) are equipped with two stopper, two the stopper is located between electro-magnet (24) and magnetic block (26).

4. The bidirectional drilling apparatus for machining according to claim 1, wherein: be equipped with horizontal chamber (6) in box (1), horizontal chamber (6) are located the top of drilling room (2), double-shaft motor (7) have been placed in horizontal chamber (6), two equal fixedly connected with horizontal pole (8) in two output shaft ends of double-shaft motor (7), two the one end that double-shaft motor (7) were kept away from in horizontal pole (8) rotates with the left and right sides inner wall in horizontal chamber (6) respectively and is connected, two through transmission structure (15) transmission between bull stick (16) and the horizontal pole (8) that correspond.

5. The bidirectional drilling apparatus for machining according to claim 1, wherein: the inner bottom and the inner top of the drilling chamber (2) are symmetrically provided with two electric telescopic rods (4), and the telescopic ends of the electric telescopic rods (4) are fixedly connected with fixing plates (5).

6. The bidirectional drilling apparatus for machining according to claim 1, wherein: the water storage box is characterized in that a water storage cavity (3) is arranged in the box body (1), the water storage cavity (3) is located at the lower end of the drilling chamber (2), and the bottom space of the drilling chamber (2) is communicated with the top space of the water storage cavity (3) through a plurality of short pipes.

7. The bidirectional drilling apparatus for machining according to claim 4, wherein: the symmetry is equipped with two fixed blocks (9), two in horizontal chamber (6) horizontal pole (8) all run through fixed block (9) and rotate with fixed block (9) and be connected, two all be equipped with the screw thread layer on horizontal pole (8), two screw thread layer threaded connection on horizontal pole (8) has sliding block (10), sliding block (10) and the common fixedly connected with folding gasbag (11) of looks proximal surface that corresponds fixed block (9), two the bottom space of folding gasbag (11) and water storage chamber (3) passes through feed liquor pipe (12) intercommunication, the symmetry is equipped with two shower nozzles (30) on the left and right sides inner wall of drilling room (2), two folding gasbag (11) and the drain pipe (13) intercommunication that passes through that corresponds shower nozzle (30), all be equipped with the check valve on feed liquor pipe (12) and drain pipe (13).

8. The bidirectional drilling apparatus for machining according to claim 4, wherein: box (1) interior symmetry is equipped with two and erects chamber (31), two erect chamber (31) and be located the left and right sides in horizontal chamber (6) respectively, two the one end that biax motor (7) were kept away from in horizontal pole (8) all extends to corresponding perpendicular chamber (31) in, two outer wall fixedly connected with magnetic stripe (32) in corresponding perpendicular chamber (31) are located in horizontal pole (8), two second installation piece (33), two are installed to the symmetry on the left and right sides inner wall of drilling room (2) the equal fixedly connected with in upper end of second installation piece (33) and corresponding shower nozzle (30) matched with vibrating spring (34), two vibrating spring (34) are kept away from the one end that corresponds second installation piece (33) and the interior top fixed connection of drilling room (2).