CN114714154B

CN114714154B - Drilling and grinding equipment for precision machinery manufacturing

Info

Publication number: CN114714154B
Application number: CN202210476170.1A
Authority: CN
Inventors: 谢旭庆
Original assignee: Nantong Yulan Mechanical Equipment Co ltd
Current assignee: Nantong Yulan Mechanical Equipment Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-03-14
Anticipated expiration: 2042-04-29
Also published as: CN114714154A

Abstract

The invention discloses drilling and grinding equipment for manufacturing a precision machine, which comprises a U-shaped frame and an installation block, wherein the upper end and the lower end of the installation block are respectively and fixedly connected with a drill bit and a grinding head, a cooling circulation mechanism is installed on the installation block and comprises a first groove arranged in the installation block, the inner wall of the first groove is provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with a sliding block, the side wall of the sliding block is fixedly connected with a fixed plate, the upper end of the fixed plate is fixedly connected with a water pump, the side walls of the drill bit and the grinding head are respectively and fixedly connected with a first cooling pipe and a second cooling pipe, and the water pump is respectively communicated with the first cooling pipe and the second cooling pipe through the first pipe and the second pipe. The cooling circulation mechanism can cool the drill bit and the polishing head, avoids the over-high temperature, enables the drill bit and the polishing head to be easily damaged, prolongs the service life of the drill bit and the polishing head, cools the cooling liquid, enables the cooling liquid to be recycled, and avoids resource waste.

Description

Drilling and grinding equipment for precision machinery manufacturing

Technical Field

The invention relates to the technical field of drilling and grinding equipment, in particular to drilling and grinding equipment for manufacturing precision machinery.

Background

Along with the development of society, the social productivity is stronger and more, and the equipment that needs in each trade is more and more accurate, so the demand of precision machinery is also more and more in the social development process at present, and precision machinery need often carry out drilling and grinding hole in the manufacturing process, therefore needs to use drilling and grinding equipment.

Present brill grinds equipment is in the use, and drill bit and head of polishing are when punching and grinding the hole to precision machinery, head of polishing and drill bit can and precision machinery between produce violent friction, and then make the temperature of head of polishing and drill bit rise fast for head of polishing and drill bit have higher temperature, and too high temperature can make head of polishing and drill bit change wearing and tearing, and then reduce the life of head of polishing and drill bit.

Based on this, we propose a drilling and grinding device for precision machine manufacturing.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides drilling and grinding equipment for precision machine manufacturing.

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

the utility model provides a precision machinery makes with boring grinding equipment, includes U type frame and installation piece, installation piece upper end and lower extreme difference fixedly connected with drill bit and polishing head, install cooling circulation mechanism on the installation piece, cooling circulation mechanism is including seting up the first groove in the installation piece, the spout has been seted up to first inslot wall, spout inner wall sliding connection has the slider, slider lateral wall fixedly connected with fixed plate, fixed plate upper end fixedly connected with water pump, drill bit and polishing head lateral wall difference fixedly connected with first cooling tube and second cooling tube, the water pump communicates with first cooling tube and second cooling tube respectively through first pipe and second pipe, the second groove has been seted up in the installation piece, first cooling tube and second cooling tube communicate with the second groove through third pipe and fourth pipe respectively, the third groove has been seted up in the installation piece, third inslot wall fixedly connected with thermistor, thermistor lateral wall fixedly connected with spiral pipe, the second groove communicates with the spiral pipe through fifth pipe, the fourth groove has been seted up in the installation piece, fourth groove inner wall fixedly connected with handles the pipe, the pipe adopts the processing pipe, the processing pipe is made through the second pipe and the heat-conducting strip, the processing pipe inner wall is through the fourth pipe and the heat-conducting strip.

Further, the cooling circulation mechanism further comprises a plurality of fifth grooves formed in the inner wall of the fourth groove, the fifth grooves are formed in the inner wall of the fourth groove, the permanent magnet is connected to the inner wall of the fifth groove in a sliding mode, the electromagnet is connected to the inner wall of the fifth groove in a fixed mode, the two first springs are fixedly connected to the inner wall of the fifth groove in a symmetrical mode, the other ends of the first springs are fixedly connected with the permanent magnet, and the thermistor, the semiconductor refrigeration piece and the electromagnet are connected with an external power supply in series through wires.

Furthermore, the inner walls of the first pipe and the second pipe are provided with electromagnetic valves, and the inner walls of the third pipe and the fourth pipe are provided with one-way valves.

Further, install filtering mechanism on the installation piece, filtering mechanism is including seting up the sixth groove in the installation piece, the sixth groove is through seventh pipe and fourth groove intercommunication, the check valve is installed to the seventh inside pipe wall, sixth inslot wall fixedly connected with filter screen, the sixth groove is through eighth pipe and first groove intercommunication, the check valve is installed to the eighth inside pipe wall, two seventh grooves have been seted up to sixth inslot wall symmetry, two the equal sealing sliding connection of seventh inslot wall has the sliding plug, the sliding plug is close to the lateral wall fixedly connected with horizontal pole of filter screen, horizontal pole other end fixedly connected with strikes the piece, seventh inslot wall fixedly connected with second spring, the second spring other end and sliding plug fixed connection, two eighth grooves have been seted up to sixth inslot wall symmetry, two the equal fixedly connected with ninth pipe of eighth inslot wall, the solenoid valve is installed to the ninth inside pipe.

Further, U type frame upper end fixedly connected with motor, the motor output runs through top and fixedly connected with mounting bracket in the U type frame, the mounting bracket inner wall rotates and is connected with the pivot, the mounting bracket inner wall inlays and is equipped with the conducting block, pivot lateral wall fixedly connected with and conducting block complex busbar, the solenoid valve of first pipe and the installation of second inside pipe wall all with conducting block electric connection.

Furthermore, the inner wall of the sliding groove is fixedly connected with a conductive spring, the upper end of the conductive spring is fixedly connected with the lower end of the fixing plate, and the conductive spring is electrically connected with the conductive block.

Further, pivot one end runs through the mounting bracket lateral wall and fixedly connected with changes the hand, it has the threaded rod to change hand lateral wall threaded connection, two and threaded rod complex thread grooves have been seted up to the mounting bracket lateral wall symmetry.

The invention has the following beneficial effects:

1. by arranging the cooling circulation mechanism, the drill bit and the polishing head can be cooled, the over-high temperature is avoided, the drill bit and the polishing head are easy to damage, the service lives of the drill bit and the polishing head are prolonged, the cooling liquid can be cooled, the cooling liquid can be recycled, and the resource waste is avoided;

2. through the arrangement of the thermistor, the semiconductor refrigerating sheet and the processing pipe, the thermistor can change the current according to the temperature of the cooling liquid, so that the refrigerating efficiency of the semiconductor refrigerating sheet is controlled, the semiconductor refrigerating sheet is more intelligent, and meanwhile, the waste of electric energy is avoided;

3. by arranging the processing pipe, the fifth groove, the permanent magnet, the electromagnet and the first spring, the higher the temperature of the cooling liquid is, the larger the magnetism of the electromagnet is, the larger the extrusion degree of the permanent magnet to the processing pipe is, the larger the extension degree and the bending degree of the processing pipe are, the thinner the thickness of the pipe wall of the processing pipe is, the higher the heat dissipation rate is, the larger the bending degree is, the stroke of the cooling liquid in the processing pipe can be increased, the flowing time is increased, and the dissipated heat is more, and the cooling liquid is cooled in the processing pipe, so that the cooling liquid is heated to be cold, the inner wall of the processing pipe is easy to generate scale, the permanent magnet extrudes the processing pipe to deform and extend the processing pipe, the scale on the inner wall of the processing pipe can be enabled to fall off, and the phenomenon that the processing pipe is blocked due to excessive scale accumulation is avoided;

4. through setting up filtering mechanism, can filter the incrustation scale and get rid of in the coolant liquid, avoid the incrustation scale along with coolant liquid circulation flow, cause the jam of pipeline.

Drawings

FIG. 1 is a schematic structural diagram of a drilling and grinding apparatus for precision machine manufacturing according to the present invention;

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

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

FIG. 4 is an enlarged view of the structure at C in FIG. 2;

fig. 5 is an enlarged schematic view of the structure at D in fig. 2.

In the figure: 1U-shaped frame, 2 mounting blocks, 3 drill bits, 4 polishing heads, 5 first grooves, 6 sliding grooves, 7 sliding blocks, 8 fixing plates, 9 water pumps, 10 first cooling pipes, 11 second cooling pipes, 12 first pipes, 13 second pipes, 14 second grooves, 141 third pipes, 142 fourth pipes, 15 third grooves, 16 thermistors, 17 spiral pipes, 18 fifth pipes, 19 fourth grooves, 20 processing pipes, 21 sixth pipes, 22 semiconductor refrigerating sheets, 23 fifth grooves, 24 permanent magnets, 25 electromagnets, 26 first springs, 27 sixth grooves, 28 seventh pipes, 29 filter screens, 30 eighth pipes, 31 seventh grooves, 32 sliding plugs, 33 cross bars, 34 knocking blocks, 35 second springs, 36 eighth grooves, 37 ninth pipes, 38 motors, 39 mounting frames, 40 rotating shafts, 41 conductive blocks, 42 conductive strips, 43 conductive springs, 44 rotating hands, 45 threaded rods and 46 threaded grooves.

Detailed Description

Referring to fig. 1-5, a drilling and grinding device for precision machine manufacturing comprises a U-shaped frame 1 and a mounting block 2, wherein the upper end and the lower end of the mounting block 2 are fixedly connected with a drill bit 3 and a grinding head 4 respectively, the mounting block 2 is provided with a cooling circulation mechanism, the cooling circulation mechanism comprises a first groove 5 arranged in the mounting block 2, the inner wall of the first groove 5 is provided with a chute 6, the inner wall of the chute 6 is connected with a slide block 7 in a sliding manner, the side wall of the slide block 7 is fixedly connected with a fixing plate 8, the upper end of the fixing plate 8 is fixedly connected with a water pump 9, the side walls of the drill bit 3 and the grinding head 4 are respectively and fixedly connected with a first cooling pipe 10 and a second cooling pipe 11, the water pump 9 is respectively communicated with the first cooling pipe 10 and the second cooling pipe 11 through a first pipe 12 and a second pipe 13, the first cooling pipe 10 and the second cooling pipe 11 are both in a spiral shape, it is required to be explained that the water pump 9 is provided with a three-way pipe, the first pipe 12 and the second pipe 13 are respectively fixedly connected with two outlets in the three-way pipe, the first pipe 12 and the second pipe 13 are both made of flexible pipes, a second groove 14 is arranged in the mounting block 2, the first cooling pipe 10 and the second cooling pipe 11 are respectively communicated with the second groove 14 through a third pipe 141 and a fourth pipe 142, a third groove 15 is arranged in the mounting block 2, the inner wall of the third groove 15 is fixedly connected with a thermistor 16, it is required to be noted that the thermistor 16 is a negative temperature coefficient thermistor, the higher the temperature is, the smaller the resistance is, the side wall of the thermistor 16 is fixedly connected with a spiral pipe 17, the second groove 14 is communicated with the spiral pipe 17 through a fifth pipe 18, a fourth groove 19 is arranged in the mounting block 2, the inner wall of the fourth groove 19 is fixedly connected with a processing pipe 20, the processing pipe 20 is made of heat-conducting silicon rubber, the spiral pipe 17 is communicated with the processing pipe 20 through the sixth pipe 21, and the inner wall of the fourth groove 19 is fixedly connected with a semiconductor refrigeration piece 22, the semiconductor refrigeration sheet 22 is charged with current, and can absorb heat and emit heat at two ends of the couple respectively, so that the purpose of refrigeration can be achieved, and the refrigeration device is the prior art.

The cooling circulation mechanism further comprises a plurality of fifth grooves 23 formed in the inner wall of the fourth groove 19, the fifth grooves 23 are arranged in a staggered mode, the inner walls of the fifth grooves 23 are all slidably connected with permanent magnets 24, the inner walls of the fifth grooves 23 are all fixedly connected with electromagnets 25, the inner walls of the fifth grooves 23 are symmetrically and fixedly connected with two first springs 26, the other ends of the two first springs 26 are all fixedly connected with the permanent magnets 24, and the thermistor 16, the semiconductor refrigerating sheet 22 and the electromagnets 25 are connected with an external power supply in series through wires.

It should be noted that, because the processing tube 20 is made of heat-conducting silicone rubber, it has better heat-conducting property and extensibility, when the temperature of the cooling liquid is higher, the resistance of the thermistor 16 will be lower, the current in the circuit will be larger, the magnetism of the electromagnet 25 will be larger, and thus the extension length of the permanent magnet 24 will be longer, the extrusion degree to the processing tube 20 will be larger, the extension degree and bending degree of the processing tube 20 will be larger, the larger the extension degree of the processing tube 20 is, the thinner the thickness of the tube wall thereof will be, and further the heat dissipation rate will be higher, the larger the bending degree will be, the stroke of the cooling liquid in the processing tube 20 can be increased, the flowing time will be increased, the dissipated heat will be more, and because the cooling liquid is cooled in the processing tube 20, the cooling liquid is heated to cold again, so that scale is easily generated on the inner wall of the processing tube 20, and the permanent magnet 24 extrudes the processing tube 20 to deform it, so that scale on the inner wall of the processing tube 20 can be extended, and scale can be prevented from falling off, and the scale is accumulated too much, and the blocking of the processing tube 20 is avoided.

The electromagnetic valves are installed on the inner walls of the first pipe 12 and the second pipe 13, the check valves are installed on the inner walls of the third pipe 141 and the fourth pipe 142, it should be noted that the electromagnetic valve installed on the inner wall of the first pipe 12 is turned on when being powered on and turned off, the electromagnetic valve installed on the inner wall of the second pipe 13 is turned on when being powered on and turned off, the check valve installed on the inner wall of the third pipe 141 only allows the cooling liquid in the first cooling pipe 10 to enter the second groove 14, and the check valve installed on the inner wall of the fourth pipe 142 only allows the cooling liquid in the second cooling pipe 11 to enter the second groove 14.

Install filtering mechanism on installation piece 2, filtering mechanism is including seting up the sixth groove 27 in installation piece 2, sixth groove 27 is through seventh pipe 28 and fourth groove 19 intercommunication, the check valve is installed to seventh pipe 28 inner wall, the check valve of seventh pipe 28 inner wall installation only allows coolant liquid and the incrustation scale entering sixth groove 27 in handling pipe 20, sixth groove 27 inner wall fixedly connected with filter screen 29, filter screen 29 possesses certain elasticity, sixth groove 27 is through eighth pipe 30 and first groove 5 intercommunication, the check valve is installed to eighth pipe 30 inner wall, the check valve of eighth pipe 30 inner wall installation only allows the coolant liquid in sixth groove 27 to get into first groove 5, two seventh grooves 31 have been seted up to sixth groove 27 inner wall symmetry, two seventh groove 31 inner walls all sealed sliding connection has sliding plug 32, sliding plug 32 is close to the lateral wall fixedly connected with horizontal pole 33 of filter screen 29, horizontal pole 33 other end fixedly connected with strikes piece 34, seventh groove 31 inner wall fixedly connected with second spring 35, the second spring 35 other end and sliding plug 32 fixed connection, two eighth groove inner wall fixedly connected with sliding plug 36 have been seted up, ninth groove 36 all installed to ninth pipe inner wall 37.

It should be noted that, the inner wall of the seventh groove 31 is provided with a through hole, and when the sliding plug 32 slides in the inner wall of the seventh groove 31 in a sealing manner, the through hole can balance the pressure change in the seventh groove 31, so as to ensure that the sliding plug 32 can slide normally.

Fixedly connected with motor 38 in 1 upper end of U type frame, motor 38 output run through in 1 top of U type frame and fixedly connected with mounting bracket 39, and mounting bracket 39 inner wall is rotated and is connected with pivot 40, and mounting bracket 39 inner wall inlays and is equipped with conducting block 41, pivot 40 lateral wall fixedly connected with and conducting block 41 complex busbar 42, the solenoid valve of first pipe 12 and the installation of second pipe 13 inner wall all with conducting block 41 electric connection.

The inner wall of the sliding groove 6 is fixedly connected with a conductive spring 43, the upper end of the conductive spring 43 is fixedly connected with the lower end of the fixed plate 8, the conductive spring 43 is electrically connected with the conductive block 41, when drilling is performed, the conductive strip 42 on the rotating shaft 40 can be in contact with the conductive block 41, the conductive spring 43 can be electrified and contracted, the sliding block 7 is driven to slide downwards on the inner wall of the sliding groove 6, the water pump 9 is further driven to move towards the bottom in the first groove 5, the water pump 9 can be located at the position of the lower end of the first groove 5, the water pump 9 can basically and completely pump out cooling liquid in the first groove 5, when polishing is performed, the mounting block 2 can rotate 180 degrees to generate inversion, the conductive strip 42 on the rotating shaft 40 can be separated from the conductive block 41, the conductive spring 43 is powered off and extends to drive the sliding block 7 to slide upwards on the inner wall of the sliding groove 6, and the mounting block 2 is inverted at the moment, the sliding block 7 can still push the water pump 9 to the position of the lower end of the first groove 5 when sliding block upwards, and the water pump 9 can basically and completely pump out cooling liquid in the first groove 5, and the situation that the water pump 9 can not continue to pump liquid when the cooling liquid in the first groove 5 is lowered to a certain height is avoided.

40 one end of pivot runs through mounting bracket 39 lateral wall and fixedly connected with and changes hand 44, it has threaded rod 45 to change hand 44 lateral wall threaded connection, mounting bracket 39 lateral wall symmetry seted up two with threaded rod 45 complex thread groove 46, through turning over to threaded rod 45 to the thread groove 46 in, the turned position of pivot 40 is injectd, avoid drilling or the in-process of polishing, pivot 40 rotates, drive drill bit 3 or 4 rotations of the head of polishing, make its position take place the skew, thereby can't drill or polish.

In the invention, the rotary handle 44 is rotated 180 degrees to drive the rotary shaft 40 to rotate 180 degrees, so that the positions of the drill bit 3 and the polishing head 4 can be exchanged, the precision machine is drilled or polished, then the threaded rod 45 is rotated into the corresponding threaded groove 46, and the rotating position of the rotary shaft 40 is fixed, thereby fixing the positions of the drill bit 3 and the polishing head 4;

when drilling is carried out, the conductive bar 42 on the rotating shaft 40 is in contact with the conductive block 41, the current loop is switched on, the electromagnetic valve arranged on the inner wall of the first pipe 12 is switched on, the electromagnetic valve arranged on the inner wall of the second pipe 13 is switched on and off, and the conductive spring 43 is also switched on and contracts to drive the slider 7 to slide downwards on the inner wall of the sliding groove 6 and further drive the fixing plate 8 to move downwards to drive the water pump 9 to move towards the bottom in the first groove 5, so that the water pump 9 can be positioned at the position of the lower end of the first groove 5, the water pump 9 can basically and completely pump out the cooling liquid in the first groove 5, when polishing is carried out, the mounting block 2 rotates 180 degrees to generate inversion, the conductive bar 42 on the rotating shaft 40 is separated from the conductive block 41, the current loop is switched off, the electromagnetic valve arranged on the inner wall of the first pipe 12 is switched off and switched off, the electromagnetic valve arranged on the inner wall of the second pipe 13 is switched on when switched off, and the conductive spring 43 is extended when switched off, the sliding block 7 is driven to slide upwards on the inner wall of the sliding groove 6, and the mounting block 2 inverts at this time, so that the slider 7 can still push the water pump 9 to the position of the lower end of the first groove 5, so that the cooling liquid in the water pump 9 can be pumped out and the first groove 5 and the cooling liquid can not be pumped out at a certain height when the first groove 5;

the mounting frame 39 is driven to rotate through the rotation of the driving motor 38, the mounting block 2 is further driven to rotate, the drill bit 3 and the polishing head 4 are driven to rotate, so that holes are drilled and polished on the precision machinery, the water pump 9 needs to be started no matter the holes are drilled or polished, the water pump 9 can pump cooling liquid in the first groove 5 into the first cooling pipe 10 or the second cooling pipe 11 through the first pipe 12 or the second pipe 13 respectively to cool the drill bit 3 or the polishing head 4, the loss of the drill bit 3 or the polishing head 4 is reduced, and the service lives of the drill bit 3 and the polishing head 4 are prolonged;

the coolant in the first cooling pipe 10 or the second cooling pipe 11 is then introduced into the second tank 14 through the third pipe 141 and the fourth pipe 142, the coolant in the second tank 14 will then pass through the fifth pipe 18 into the coil 17, where it is supplied with heat from the drill bit 3 or the sanding head 4, where it will have a certain temperature, and the higher the working strength of the drill 3 or the sanding head 4, the more heat is generated per unit time, the higher the temperature of the cooling fluid, when the cooling liquid passes through the spiral pipe 17, the thermistor 16 senses the temperature of the cooling liquid, and the higher the temperature of the cooling liquid is, the lower the resistance of the thermistor 16 is, and then the larger the current in the circuit formed by the thermistor 16, the semiconductor chilling plate 22, the electromagnet 25 and the external power supply, the coolant in the spiral pipe 17 enters the processing pipe 20 through the sixth pipe 21, the semiconductor chilling plate 22 cools the coolant in the processing pipe 20, the higher the temperature of the cooling liquid is, the higher the current in the circuit is, the larger the current led into the semiconductor chilling plate 22 is, so that the better the chilling effect of the semiconductor chilling plate 22 is, the higher the cooling efficiency of the cooling liquid, and in addition, the higher the current in the circuit, the stronger the magnetism of the electromagnet 25, the longer the permanent magnet 24 is made to protrude from the fifth groove 23, the greater the degree of pressing the process tube 20, the greater the degree of bending of the process tube 20, the longer the flow time of the cooling liquid in the process tube 20, the larger the contact area of the cooling liquid with the process tube 20, meanwhile, the tube wall of the processing tube 20 becomes thinner due to the extrusion and stretching of the processing tube 20, so that the heat dissipation efficiency is better, and the cooling effect of the cooling liquid is further improved;

when the cooling liquid is cooled in the processing pipe 20, the process is changed from hot to cold, scale is easily generated on the inner wall of the processing pipe 20, the processing pipe 20 is extruded by the electromagnet 25, so that the processing pipe 20 is stretched and deformed, the scale adhered on the inner wall of the processing pipe 20 can be fallen off, and the cooling liquid enters the sixth groove 27 through the seventh pipe 28 and is filtered by the filter screen 29, the scale can be filtered, and the cooling liquid can flow back to the first groove 5 through the eighth pipe 30, so that the cooling liquid can be recycled, and the waste of resources is avoided;

when the cooling liquid flows from left to right in the sixth groove 27, the sliding plug 32 slides towards the inner side of the seventh groove 31 under the action of the pressure of the cooling liquid and the centrifugal force, the sliding plug 32 drives the knocking block 34 to be far away from the filter screen 29 through the cross rod 33, when drilling or polishing is finished, the water pump 9 stops pumping, the motor 38 also stops rotating, further no cooling liquid flows in the sixth groove 27, the centrifugal force disappears, the sliding plug 32 slides towards the outer side of the seventh groove 31 quickly under the action of the second spring 35, the sliding plug 32 drives the knocking block 34 to move towards the filter screen 29 quickly through the cross rod 33, the knocking block 34 knocks the filter screen 29, the filter screen 29 vibrates, scale adhered to the surface of the filter screen 29 falls into the eighth groove 36, the scale adhered to the surface of the filter screen 29 is prevented from blocking meshes of the filter screen 29, the filtering performance of the filter screen 29 is reduced, finally, the electromagnetic valve installed on the inner wall of the ninth pipe 37 is electrified to be opened, and the scale in the eighth groove 36 is discharged out of the eighth groove 36, so that scale is cleaned.

Claims

1. The drilling and grinding equipment for manufacturing the precision machinery comprises a U-shaped frame (1) and an installation block (2), and is characterized in that the upper end and the lower end of the installation block (2) are respectively and fixedly connected with a drill bit (3) and a grinding head (4), the installation block (2) is provided with a cooling circulation mechanism, the cooling circulation mechanism comprises a first groove (5) formed in the installation block (2), the inner wall of the first groove (5) is provided with a sliding groove (6), the inner wall of the sliding groove (6) is slidably connected with a sliding block (7), the side wall of the sliding block (7) is fixedly connected with a fixing plate (8), the upper end of the fixing plate (8) is fixedly connected with a water pump (9), the side walls of the drill bit (3) and the grinding head (4) are respectively and fixedly connected with a first cooling pipe (10) and a second cooling pipe (11), the water pump (9) is respectively communicated with the first cooling pipe (10) and the second cooling pipe (11) through a first pipe (12) and a second pipe (13), the installation block (2) is internally provided with a second cooling pipe (10), the inner wall of the fourth cooling pipe (141) and a third cooling pipe (15) and a third groove (16) and a third groove (142) and a third groove (16) and a third groove (142) are respectively communicated with a third groove (16), the side wall of the thermistor (16) is fixedly connected with a spiral tube (17), the second groove (14) is communicated with the spiral tube (17) through a fifth tube (18), a fourth groove (19) is formed in the mounting block (2), the inner wall of the fourth groove (19) is fixedly connected with a processing tube (20), the processing tube (20) is made of heat-conducting silicon rubber, the spiral tube (17) is communicated with the processing tube (20) through a sixth tube (21), and the inner wall of the fourth groove (19) is fixedly connected with a semiconductor refrigerating sheet (22);

cooling circulation mechanism is still including offering a plurality of fifth groove (23) at fourth groove (19) inner wall, a plurality of the equal sliding connection in fifth groove (23) inner wall has permanent magnet (24), and is a plurality of the equal fixedly connected with electro-magnet (25) of fifth groove (23) inner wall, two first spring (26), two of fifth groove (23) inner wall symmetry fixedly connected with first spring (26) other end all with permanent magnet (24) fixed connection, thermistor (16), semiconductor refrigeration piece (22) and electro-magnet (25) are established ties with external power source through the wire.

2. The drilling and grinding device for manufacturing the precision machine according to claim 1, wherein electromagnetic valves are installed on the inner walls of the first pipe (12) and the second pipe (13), and one-way valves are installed on the inner walls of the third pipe (141) and the fourth pipe (142).

3. The drilling and grinding apparatus for precision machine manufacturing according to claim 2, the mounting block (2) is provided with a filtering mechanism which comprises a sixth groove (27) arranged in the mounting block (2), the sixth tank (27) is communicated with the fourth tank (19) through a seventh pipe (28), the inner wall of the seventh pipe (28) is provided with a one-way valve, the inner wall of the sixth groove (27) is fixedly connected with a filter screen (29), the sixth tank (27) is in communication with the first tank (5) through an eighth pipe (30), the inner wall of the eighth pipe (30) is provided with a one-way valve, the inner wall of the sixth groove (27) is symmetrically provided with two seventh grooves (31), the inner walls of the two seventh grooves (31) are hermetically and slidably connected with sliding plugs (32), the side wall of the sliding plug (32) close to the filter screen (29) is fixedly connected with a cross bar (33), the other end of the cross bar (33) is fixedly connected with a knocking block (34), the inner wall of the seventh groove (31) is fixedly connected with a second spring (35), the other end of the second spring (35) is fixedly connected with the sliding plug (32), two eighth grooves (36) have been seted up to sixth groove (27) inner wall symmetry, two equal fixedly connected with ninth pipe (37) of eighth groove (36) inner wall, the solenoid valve is installed to ninth pipe (37) inner wall.

4. The drilling and grinding device for the precision machine manufacturing of claim 3, wherein the motor (38) is fixedly connected to the upper end of the U-shaped frame (1), the output end of the motor (38) penetrates through the top of the U-shaped frame (1) and is fixedly connected with the mounting frame (39), the inner wall of the mounting frame (39) is rotatably connected with the rotating shaft (40), the inner wall of the mounting frame (39) is embedded with the conductive block (41), the side wall of the rotating shaft (40) is fixedly connected with the conductive strip (42) matched with the conductive block (41), and the electromagnetic valves installed on the inner walls of the first pipe (12) and the second pipe (13) are electrically connected with the conductive block (41).

5. The drilling and grinding device for manufacturing the precision machine according to claim 4, wherein a conductive spring (43) is fixedly connected to the inner wall of the sliding chute (6), the upper end of the conductive spring (43) is fixedly connected with the lower end of the fixing plate (8), and the conductive spring (43) is electrically connected with the conductive block (41).

6. The drilling and grinding device for the precision machine manufacturing according to claim 5, wherein one end of the rotating shaft (40) penetrates through the side wall of the mounting frame (39) and is fixedly connected with a rotating hand (44), the side wall of the rotating hand (44) is in threaded connection with a threaded rod (45), and two threaded grooves (46) matched with the threaded rod (45) are symmetrically formed in the side wall of the mounting frame (39).