CN213827106U

CN213827106U - Multi-station drilling machine

Info

Publication number: CN213827106U
Application number: CN202022986709.7U
Authority: CN
Inventors: 蔡国华; 赵明星
Original assignee: Shaoxing Run'an Electrical Co ltd
Current assignee: Shaoxing Run'an Electrical Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-30
Anticipated expiration: 2030-12-11

Abstract

The application relates to a multi-station drilling machine which comprises a rack, wherein a rotating table is rotatably arranged on the rack, a first driving assembly is arranged on the rack, and the first driving assembly is connected with the rotating table and drives the rotating table to rotate; the rotating table is provided with a clamping assembly, and the clamping assembly is used for mounting a workpiece on the rotating table; the drilling device comprises a plurality of lifting mechanisms and drill bits, the lifting mechanisms are mounted on the frame and surround the rotating table, the drill bits are rotatably mounted on the frame and connected with the lifting mechanisms, and the drill bits can process workpieces alternately. The application has the advantages that the time consumed by reinstallation of the workpiece is reduced, and therefore the machining efficiency of the drilling machine is improved.

Description

Multi-station drilling machine

Technical Field

The application relates to the technical field of drilling machine equipment, in particular to a multi-station drilling machine.

Background

At present, a drilling machine refers to a machine tool which mainly uses a drill bit to machine a hole on a workpiece, generally, the drill bit rotates into main motion, the drill bit moves axially into feed motion, the drilling machine is simple in structure, and machining precision is relatively low.

In the prior art, a drilling machine generally comprises a workbench and a drill bit which are arranged on a rack, wherein the drill bit is rotatably arranged on the rack and positioned above the workbench, when a workpiece is machined, the workpiece is fixed on the workbench, and the drill bit above the workbench is driven to rotate and perform axial feeding movement downwards, so that the drill bit drills the workpiece.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the work piece is fixed on the workstation, when the different positions of work piece need be processed, need take off the work piece and install fixedly again, the in-process of work piece reinstallation needs to consume more time to the machining efficiency of drilling machine has been reduced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the time that the work piece was spent again in the installation, improve the machining efficiency of drilling machine, this application provides a multi-station drilling machine.

The application provides a multistation drilling machine adopts following technical scheme:

a multi-station drilling machine comprises a rack, wherein a rotating table is rotatably arranged on the rack, a first driving assembly is arranged on the rack, and the first driving assembly is connected with the rotating table and drives the rotating table to rotate; the rotating table is provided with a clamping assembly, and the clamping assembly is used for mounting a workpiece on the rotating table; the drilling device comprises a plurality of lifting mechanisms and drill bits, the lifting mechanisms are mounted on the frame and surround the rotating table, the drill bits are rotatably mounted on the frame and connected with the lifting mechanisms, and the drill bits can alternately process workpieces.

Through adopting above-mentioned technical scheme, the drill bit on the preceding engine frame rotates, through centre gripping subassembly with work piece fixed mounting on the revolving stage, first drive assembly drive revolving stage rotates, the revolving stage drives centre gripping subassembly and work piece and rotates simultaneously, the work piece is at the rotation in-process, pass through the below of all drill bits one by one along the direction of rotation, when the work piece is located the below of drill bit, elevating system drive drill bit vertically slides, make all drill bits alternative process the work piece, need not install the work piece again in the course of working, the time that the work piece was installed again and is consumed has been reduced, thereby the machining efficiency of drilling machine has been improved.

Preferably, elevating system includes dead lever, second drive assembly and lift cylinder, and is a plurality of the dead lever is vertical to be installed in the frame and encircle the revolving stage, the vertical downward installation of lift cylinder is in on the dead lever and be located the top of revolving stage, second drive assembly installs on the lift cylinder, the drill bit rotates to be installed on the piston rod of lift cylinder and with second drive assembly is connected, second drive assembly drives the drill bit rotates.

Through adopting above-mentioned technical scheme, second drive assembly drive drill bit rotates, and lift cylinder redrives the vertical slip of drill bit and is close to the work piece to make the drill bit can process the work piece.

Preferably, the second drive assembly includes second motor, first synchronizing wheel, second synchronizing wheel, hold-in range and dwang, the upper end of lift cylinder body is provided with the supporting shoe, the second motor is installed on the supporting shoe, first synchronizing wheel coaxial arrangement be in on the output shaft of second motor, the vertical rotation of dwang is installed on the supporting shoe and with the vertical connection that slides of supporting shoe, the lower extreme of dwang is vertical to be passed the lift cylinder and with drill bit coaxial coupling, the dwang with lift cylinder circumferential direction and axial fixity are connected, the second synchronizing wheel horizontal rotation install on the supporting shoe and with the coaxial connection that slides in upper end of dwang, the hold-in range cover is established first synchronizing wheel with on the second synchronizing wheel.

By adopting the technical scheme, the second motor drives the first synchronous wheel to rotate, the first synchronous wheel drives the synchronous belt to rotate, the synchronous belt drives the second synchronous wheel to rotate, the second synchronous wheel drives the rotating rod to rotate, and the rotating rod drives the drill bit to rotate, so that the drill bit can drill a workpiece; when the lifting cylinder drives the drill bit to vertically slide, the drill bit drives the rotating rod to vertically slide, and the second synchronizing wheel is vertically connected with the rotating rod in a sliding manner, so that the second synchronizing wheel does not displace along with the movement of the rotating rod due to the fact that the second synchronizing wheel and the rotating rod are vertically connected in a sliding manner and the rotating rod is vertically displaced.

Preferably, be provided with the regulating part on the cylinder body of lift cylinder, the regulating part includes bracing piece, a plurality of adjusting bolt and two regulating blocks, it is curved groove that slides to set up the tank bottom on the regulating block, the both ends in groove that slides link up the regulating block, the diameter of groove tank bottom that slides with the diameter of fixed rod is the same, two the regulating block is all installed on the fixed rod, two the regulating block can be pieced together and through a plurality of adjusting bolt connects, the one end horizontal installation of bracing piece is in one of them on the regulating block, the lift cylinder is installed the bracing piece is kept away from the one end of regulating block.

Through adopting above-mentioned technical scheme, two regulating blocks are installed on the dead lever through a plurality of adjusting bolt, make two regulating blocks position on the dead lever can vertical regulation, drive bracing piece vertical movement during the vertical regulation of regulating block, and the bracing piece drives lift cylinder and drill bit vertical regulation simultaneously to can be according to the initial height of the stroke of lift cylinder and the length adjustment drill bit.

Preferably, the centre gripping subassembly is provided with a plurality ofly, the quantity of centre gripping subassembly is greater than the quantity of drill bit, the centre gripping subassembly is including installation piece, locating part and mounting, and is a plurality of installation piece circumference interval is installed rotate the bench, the upper surface of installation piece is seted up and is pegged graft complex recess with the work piece, the locating part is installed on the installation piece and with the work piece install in the recess, the mounting is installed on the installation piece and be connected with the work piece, the mounting can restrict the rotation of work piece on the installation piece.

By adopting the technical scheme, the workpiece is placed in the groove on the mounting block, the workpiece is fixed on the mounting block through the limiting piece, so that the vertical movement and the horizontal movement of the workpiece are limited, the rotation of the workpiece can be limited through the connection of the fixing piece and the workpiece, and the workpiece can be kept in a stable state during processing; the plurality of mounting blocks on the rotating table can mount a plurality of workpieces at the same time, so that the plurality of workpieces can be processed at the same time; the number of the mounting blocks is larger than that of the drill bits, so that the workpiece can be mounted, processed and dismounted on the rotating table at the same time, and the processing efficiency of the workpiece is improved.

Preferably, the locating part includes spacing bolt and limiting plate, first bar breach has been seted up on the lateral wall of limiting plate, the width of first bar breach with the screw rod diameter of spacing bolt is the same, limiting plate horizontal installation be in on the installation piece, the installation piece with the limiting plate is with the work piece centre gripping in the middle of, the one end of spacing bolt passes first bar breach and work piece and screw thread are installed the tank bottom of recess, the nut of spacing bolt compresses tightly on the limiting plate.

By adopting the technical scheme, the limiting bolt penetrates through the first strip-shaped notch and the workpiece and then is installed at the bottom of the groove in a threaded manner, so that the workpiece is fixed on the installation block; when the workpiece is disassembled, the limiting bolt is unscrewed, the limiting plate can slide, the limiting plate slides along the length direction of the first strip-shaped notch to leave the workpiece, the workpiece can be taken out of the groove, the limiting bolt does not need to be completely taken down, and therefore the workpiece can be conveniently assembled and disassembled on the assembling block.

Preferably, the fixing piece comprises a fixing block and a fixing bolt, the fixing block is installed on the installation block, the fixing bolt is installed on the fixing block in a horizontal threaded mode, and the fixing bolt penetrates through the fixing block and abuts against the side wall of the workpiece tightly.

Through adopting above-mentioned technical scheme, spacing bolt is installed the back on the installation piece with the work piece, rotates fixing bolt and supports tightly on the work piece to restricted the rotation of work piece, the drill bit is when carrying out drilling to the work piece, and fixing bolt can make the work piece keep fixed.

Preferably, the first driving assembly comprises a first motor, a worm and a worm wheel, the worm wheel is rotatably mounted on the rack and coaxially connected with the rotating table, the first motor is mounted on the rack, the worm is coaxially mounted on an output shaft of the first motor, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, first motor drive worm intermittent type rotates, and worm drive worm wheel intermittent type rotates, and the worm wheel drives the revolving stage and rotates to make installation piece and the work piece on the revolving stage rotate.

Preferably, the side wall of the rotating table is provided with a baffle, the height of the baffle is greater than that of the rotating table, a plurality of vertical through holes are formed in the rotating table in a circumferential spaced mode, a liquid containing groove is formed in the upper end face of the rack, the vertical projection of the rotating table is located in the liquid containing groove, a collecting frame and a connecting pipe are arranged on the rack, one end of the connecting pipe is located at the upper end of the collecting frame, and the other end of the connecting pipe is installed on the rack and communicated with the side wall of the liquid containing groove.

Through adopting above-mentioned technical scheme, when the drilling machine processes the work piece, need use a large amount of cutting fluids to cool down the work piece, the cutting fluid drops on the rotation bench after cooling down to the work piece, the lateral wall outflow rotation platform of rotation platform can't be followed to the cutting fluid under the effect of blockking of baffle, the cutting fluid flows to the flourishing cistern of below from the through-hole on the rotation platform in, the cutting fluid in flourishing cistern flows to in collecting the frame through the connecting tube, thereby can collect the cutting fluid, repeatedly usable after filtering, thereby the waste of cutting fluid has been reduced, and the production cost is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the plurality of drilling devices and the plurality of clamping devices, the time consumed by reinstallation of the workpiece is reduced, and therefore the machining efficiency of the drilling machine is improved.

2. Through the setting of adjusting part, can be according to the stroke of lift cylinder and the length adjustment drill bit's of drill bit initial height.

3. Through the setting of baffle, connecting pipe and collecting box, can collect the cutting fluid to reduce the waste of cutting fluid, reduced manufacturing cost.

Drawings

FIG. 1 is a schematic perspective view of a multi-station drilling machine according to an embodiment of the present disclosure;

FIG. 2 is a schematic partial perspective view of a first drive assembly and a rotating table of the multi-station drill press according to the present disclosure;

FIG. 3 is a schematic partially exploded view of a clamping assembly of the multi-station drill press according to an embodiment of the present disclosure;

FIG. 4 is a schematic partially exploded view of a drilling assembly of the multi-station drill press according to an embodiment of the present disclosure;

fig. 5 is a partial perspective view of a second driving assembly of the multi-station drill press according to the embodiment of the present invention, with a supporting block cut away to show the internal structure.

Reference numerals: 100. a base; 120. a frame; 121. a liquid containing groove; 130. a collection frame; 140. a connecting pipe; 150. rotating the column; 160. a rotating table; 161. a baffle plate; 162. a through hole; 170. a workpiece; 200. a first drive assembly; 210. a first motor; 220. a worm; 230. a worm gear; 300. a clamping assembly; 310. a limiting member; 311. a limit bolt; 312. a limiting plate; 313. a first bar-shaped notch; 320. a fixing member; 321. fixing the bolt; 322. a fixed block; 330. mounting blocks; 331. a groove; 400. a drilling device; 410. a drill bit; 500. a lifting mechanism; 510. fixing the rod; 520. a lifting cylinder; 530. a second drive assembly; 531. a second motor; 532. a first synchronizing wheel; 533. a second synchronizing wheel; 534. a synchronous belt; 535. rotating the rod; 536. a rotating bearing; 540. an adjustment member; 541. a support bar; 542. adjusting the bolt; 543. an adjusting block; 544. a sliding groove; 545. an adjusting ring; 546. adjusting the screw rod; 547. mounting grooves; 600. a support block; 610. a cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, a multi-station drilling machine, including fixed frame 120 that sets up on base 100, frame 120 is the rectangle, and liquid containing groove 121 that is the rectangle is seted up to the up end of frame 120, is provided with collection frame 130 that is the rectangle on base 100, collects frame 130 and is located one side of frame 120, is fixed on the lateral wall of frame 120 to be provided with connecting pipe 140, and the one end of connecting pipe 140 and the groove lateral wall intercommunication in liquid containing groove 121, and the other end of connecting pipe 140 is located the top of collecting frame 130.

Referring to fig. 1, a cylindrical rotating column 150 is rotatably arranged at the bottom of the liquid containing tank 121, a cylindrical rotating table 160 is coaxially and fixedly arranged at the upper end of the rotating column 150, a vertical projection of the rotating table 160 is located in the liquid containing tank 121, a circular baffle 161 is integrally arranged on the side wall of the rotating table 160, the inner diameter of the baffle 161 is the same as the diameter of the rotating table 160, the height of the baffle 161 is greater than that of the rotating table 160, and four through holes 162 which vertically penetrate through the rotating table 160 are circumferentially arranged on the rotating table 160 at intervals.

Referring to fig. 1 and 2, a first driving assembly 200 is disposed at the bottom of the liquid containing tank 121, the first driving assembly 200 is located below the rotating table 160, the first driving assembly 200 includes a first motor 210, a worm 220 and a worm wheel 230, the worm wheel 230 is coaxially and fixedly installed at the lower end of the rotating column 150, the first motor 210 is horizontally and fixedly installed at the bottom of the liquid containing tank 121, the worm 220 is coaxially and fixedly installed at the output shaft of the first motor 210, and the worm 220 and the worm wheel 230 are engaged with each other.

Referring to fig. 1 and 3, four clamping assemblies 300 are disposed on the upper surface of the rotating table 160, each clamping assembly 300 includes a limiting member 310, a fixing member 320 and a cylindrical mounting block 330, the four mounting blocks 330 are circumferentially spaced and fixedly mounted on the upper surface of the rotating table 160, an axis of each mounting block 330 is vertical, and a groove 331 which is in plug-in fit with the workpiece 170 is formed in the upper surface of each mounting block 330.

Referring to fig. 3, the limiting member 310 includes a limiting bolt 311 and a cylindrical limiting plate 312, a first bar-shaped notch 313 is formed in a side wall of the limiting plate 312, a length direction of the first bar-shaped notch 313 passes through a rotation center of the limiting plate 312, a width of the first bar-shaped notch 313 is the same as a screw diameter of the limiting bolt 311, after the workpiece 170 is mounted on the mounting block 330, the limiting plate 312 is horizontally pressed on the workpiece 170, so that the workpiece 170 is clamped between the mounting block 330 and the limiting plate 312, one end of the limiting bolt 311 passes through the first bar-shaped notch 313 and the workpiece 170 and is threadedly mounted at a bottom of the groove 331, and a nut of the limiting bolt 311 is pressed on an upper surface of the limiting plate 312.

The fixing member 320 includes a fixing bolt 321 and a rectangular fixing block 322, the fixing block 322 is fixedly mounted on the upper surface of the mounting block 330, a horizontal threaded hole is formed in the mounting block 330, the length direction of the threaded hole passes through the axis of the mounting block 330, the fixing bolt 321 is threadedly mounted on the fixing block 322, and one end of the fixing bolt 321 passes through the fixing block 322 and abuts against the side wall of the workpiece 170.

Referring to fig. 1 and 4, three drilling devices 400 are disposed on the frame 120, the drilling devices 400 include a lifting mechanism 500 and drill bits 410, and the three drill bits 410 are different.

The lifting mechanism 500 comprises a fixing rod 510, a second driving assembly 530 and a lifting cylinder 520, wherein the three fixing rods 510 are vertically and fixedly installed on the base 100 and respectively close to three side walls of the rack 120 far away from the collecting frame 130.

Referring to fig. 3, the fixing rod 510 is provided with the adjusting piece 540, the adjusting piece 540 includes a cylindrical supporting rod 541, three adjusting bolts 542 and two adjusting blocks 543, a sliding groove 544 with an arc-shaped groove bottom is formed in the side wall of one end of each adjusting block 543, two ends of each sliding groove 544 vertically penetrate through the adjusting blocks 543, the diameter of the groove bottom of each sliding groove 544 is the same as that of the fixing rod 510, the sliding grooves 544 on the two adjusting blocks 543 can be spliced into a circular ring, and the two adjusting blocks 543 are vertically slidably mounted on the fixing rod 510 and fixedly connected together through the three adjusting bolts 542.

The fixing rod 510 is fixedly provided with an annular adjusting ring 545, the adjusting ring 545 is vertically threaded with an adjusting screw 546, and the upper end of the adjusting screw 546 penetrates out of the adjusting ring 545 and abuts against the adjusting block 543.

Referring to fig. 1 and 3, the side walls of the two adjusting blocks 543 far away from one end of the fixing rod 510 are respectively provided with an installation groove 547 with an arc-shaped groove bottom, the diameter of the groove bottom of the installation groove 547 is the same as that of the supporting rod 541, one end of the installation groove 547 far away from the sliding groove 544 penetrates through the adjusting blocks 543, and the two installation grooves 547 can be spliced into a circular slot; one end horizontal installation of bracing piece 541 is in the circular slot that two mounting grooves 547 formed and rather than one of them regulating block 543 fixed connection, and lift cylinder 520 is vertical downwards and its cylinder body fixed mounting is in the bracing piece 541 keep away from the one end of regulating block 543, and lift cylinder 520 is located the top of revolving stage 160, and drill bit 410 rotates and installs on the piston rod of lift cylinder 520.

Referring to fig. 4 and 5, the lifting cylinder 520 is provided with a strip-shaped supporting block 600, one end of the supporting block 600 is fixedly connected with the upper surface of the lifting cylinder 520, the length direction of the supporting block 600 is parallel to the length direction of the supporting rod 541, and a rectangular cavity 610 is formed in the supporting block 600.

The second driving assembly 530 comprises a second motor 531, a first synchronous wheel 532, a second synchronous wheel 533, a synchronous belt 534 and a rotating rod 535, the second motor 531 is fixedly installed at one end of the supporting block 600 far away from the lifting cylinder 520, the second motor 531 is positioned below the supporting block 600, an output shaft of the second motor 531 penetrates into the cavity 610, and the first synchronous wheel 532 is coaxially and fixedly installed on an output shaft of the second motor 531 penetrating into the cavity 610; the rotating rod 535 vertically penetrates through the cylinder body and the piston rod of the lifting cylinder 520, the lower end of the rotating rod 535 is coaxially provided with a rotating bearing 536, the inner ring of the rotating bearing 536 is coaxially and fixedly connected with the rotating rod 535, and the outer ring of the rotating bearing 536 is coaxially and fixedly connected with the lower end surface of the piston rod, so that the rotating rod 535 is rotatably connected with the lifting cylinder 520; in the upper end of dwang 535 penetrated cavity 610, the coaxial fixed mounting of second synchronizing wheel 533 penetrated the one end of cavity 610 at dwang 535, and the hold-in range 534 cover is established on first synchronizing wheel 532 and second synchronizing wheel 533, and the lower extreme of dwang 535 vertically worn out lift cylinder 520 and with drill bit 410 coaxial coupling.

The implementation principle of the multi-station drilling machine in the embodiment of the application is as follows:

when the multi-station drilling machine is used for machining the workpiece 170, a tool is firstly installed on one of the installation blocks 330 which is not arranged below the drill 410, the workpiece 170 is placed in the groove 331, the limiting plate 312 is pressed on the workpiece 170, one end of the limiting bolt 311 penetrates through the first strip-shaped notch 313 and the workpiece 170 and is installed at the bottom of the groove 331 in a threaded mode, the nut of the limiting bolt 311 is pressed on the upper surface of the limiting plate 312, and therefore the workpiece 170 is pressed on the installation blocks 330 and movement and rotation of the workpiece 170 are limited.

The first motor 210 drives the worm 220 to intermittently rotate, the worm 220 drives the worm wheel 230 to intermittently rotate, the worm wheel 230 drives the rotating table 160 to rotate, and the rotating table 160 drives the mounting block 330 and the workpiece 170 to rotate; the workpiece 170 is then continuously mounted on the mounting block 330 not under the drill bit 410.

The work piece 170 rotates according to the rotation direction of the rotating table 160, when the drill bit 410 rotates below, the second motor 531 drives the first synchronous wheel 532 to rotate, the first synchronous wheel 532 drives the synchronous belt 534 to rotate, the synchronous belt 534 drives the second synchronous wheel 533 to rotate, the second synchronous wheel 533 drives the rotating rod 535 to rotate, the rotating rod 535 drives the drill bit 410 to rotate, the lifting cylinder 520 drives the drill bit 410 to vertically slide and close to the work piece 170, and therefore the drill bit 410 can drill the work piece 170. After the first drill 410 is finished, the drill 410 is driven by the lifting cylinder 520 to leave the workpiece 170, and the rotating table 160 drives the workpiece 170 to continue to rotate to the position below the next drill 410 for drilling, so as to finish different drilling processes.

During the machining of the workpiece 170, the temperature of the drill 410 and the workpiece 170 needs to be continuously reduced by cutting fluid to flush away cutting debris, the used cutting fluid falls onto the rotary table 160, falls into the liquid containing tank 121 below the rotary table 160 through the through hole 162 on the rotary table 160, and flows into the collecting frame 130 through the connecting pipe 140 in the liquid containing tank 121, so that the cutting fluid is collected.

When the drill bit 410 is replaced, the length of the drill bit 410 is changed, the three adjusting bolts 542 on the adjusting block 543 are loosened, the adjusting block 543 can slide on the fixing rod 510, the adjusting screw 546 on the adjusting ring 545 is rotated, the adjusting screw 546 pushes the adjusting block 543 to vertically slide, the adjusting block 543 drives the supporting rod 541 to vertically slide, the supporting rod 541 drives the lifting cylinder 520 to vertically slide, the lifting cylinder 520 drives the drill bit 410 to vertically slide, and therefore the initial height of the drill bit 410 is adjusted.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multi-station drilling machine comprises a machine frame (120), and is characterized in that: the rack (120) is rotatably provided with a rotating table (160), the rack (120) is provided with a first driving assembly (200), and the first driving assembly (200) is connected with the rotating table (160) and drives the rotating table (160) to rotate; a clamping assembly (300) is arranged on the rotating table (160), and a workpiece (170) is mounted on the rotating table (160) through the clamping assembly (300); the drilling device is characterized in that a plurality of drilling devices (400) are arranged on the rack (120), each drilling device (400) comprises a lifting mechanism (500) and a drill bit (410), the lifting mechanisms (500) are installed on the rack (120) and surround the rotating table (160), the drill bits (410) are rotatably installed on the rack (120) and connected with the lifting mechanisms (500), and the drill bits (410) can alternately process workpieces (170).

2. The multi-station drilling machine according to claim 1, wherein: the lifting mechanism (500) comprises a fixing rod (510), a second driving assembly (530) and a lifting cylinder (520), the fixing rod (510) is vertically installed on the rack (120) and surrounds the rotating table (160), the lifting cylinder (520) is vertically installed downwards on the fixing rod (510) and located above the rotating table (160), the second driving assembly (530) is installed on the lifting cylinder (520), the drill bit (410) is rotatably installed on a piston rod of the lifting cylinder (520) and connected with the second driving assembly (530), and the second driving assembly (530) drives the drill bit (410) to rotate.

3. A multi-station drill press as claimed in claim 2, wherein: the second driving component (530) comprises a second motor (531), a first synchronous wheel (532), a second synchronous wheel (533), a synchronous belt (534) and a rotating rod (535), the upper end of the cylinder body of the lifting cylinder (520) is provided with a supporting block (600), the second motor (531) is installed on the supporting block (600), the first synchronous wheel (532) is coaxially installed on the output shaft of the second motor (531), the rotating rod (535) is vertically and rotatably installed on the supporting block (600) and vertically connected with the supporting block (600) in a sliding manner, the lower end of the rotating rod (535) vertically penetrates through the lifting cylinder (520) and is coaxially connected with the drill bit (410), the rotating rod (535) is circumferentially and axially and fixedly connected with the lifting cylinder (520), the second synchronous wheel (533) is horizontally and rotatably installed on the supporting block (600) and is coaxially connected with the upper end of the rotating rod (535) in a sliding manner, the synchronous belt (534) is sleeved on the first synchronous wheel (532) and the second synchronous wheel (533).

4. A multi-station drill press as claimed in claim 2, wherein: be provided with regulating part (540) on the cylinder body of lift cylinder (520), regulating part (540) are including bracing piece (541), a plurality of adjusting bolt (542) and two regulating block (543), set up tank bottom on regulating block (543) and be curved sliding groove (544), sliding groove (544)'s both ends are link up regulating block (543), sliding groove (544) tank bottom's diameter with the diameter of dead lever (510) is the same, two regulating block (543) are all installed on dead lever (510), two regulating block (543) can be pieced together and through a plurality of adjusting bolt (542) connect, one end horizontal installation of bracing piece (541) is in one of them on regulating block (543), install lift cylinder (520) the one end of regulating block (543) is kept away from in bracing piece (541).

5. The multi-station drilling machine according to claim 1, wherein: the clamping assembly (300) is provided with a plurality of, the quantity of clamping assembly (300) is greater than the quantity of drill bit (410), clamping assembly (300) is including installation piece (330), locating part (310) and mounting (320), and is a plurality of installation piece (330) circumference interval is installed on swivel block (160), the upper surface of installation piece (330) is seted up and is pegged graft complex recess (331) with work piece (170), locating part (310) are installed on installation piece (330) and with work piece (170) install in recess (331), mounting (320) are installed on installation piece (330) and be connected with work piece (170), rotation of work piece (170) on installation piece (330) can be restricted to mounting (320).

6. The multi-station drilling machine according to claim 5, wherein: the limiting part (310) comprises a limiting bolt (311) and a limiting plate (312), a first strip-shaped notch (313) is formed in the side wall of the limiting plate (312), the width of the first strip-shaped notch (313) is the same as the diameter of a screw of the limiting bolt (311), the limiting plate (312) is horizontally installed on the installation block (330), the workpiece (170) is clamped in the middle of the installation block (330) and the limiting plate (312), one end of the limiting bolt (311) penetrates through the first strip-shaped notch (313) and the workpiece (170) and is installed on the groove bottom of the groove (331) in a threaded mode, and a nut of the limiting bolt (311) is pressed on the limiting plate (312).

7. The multi-station drilling machine according to claim 5, wherein: the fixing piece (320) comprises a fixing block (322) and a fixing bolt (321), the fixing block (322) is installed on the installation block (330), the fixing bolt (321) is installed on the fixing block (322) in a horizontal threaded mode, and the fixing bolt (321) penetrates through the fixing block (322) and abuts against the side wall of the workpiece (170).

8. The multi-station drilling machine according to claim 1, wherein: the first driving assembly (200) comprises a first motor (210), a worm (220) and a worm wheel (230), the worm wheel (230) is rotatably installed on the rack (120) and is coaxially connected with the rotating table (160), the first motor (210) is installed on the rack (120), the worm (220) is coaxially installed on an output shaft of the first motor (210), and the worm (220) and the worm wheel (230) are meshed with each other.

9. The multi-station drilling machine according to claim 1, wherein: the side wall of the rotating table (160) is provided with a baffle (161), the height of the baffle (161) is larger than that of the rotating table (160), a plurality of vertical through holes (162) are formed in the rotating table (160) at intervals in the circumferential direction, a liquid containing groove (121) is formed in the upper end face of the rack (120), the vertical projection of the rotating table (160) is located in the liquid containing groove (121), a collecting frame (130) and a connecting pipe (140) are arranged on the rack (120), one end of the connecting pipe (140) is located at the upper end of the collecting frame (130), and the other end of the connecting pipe (140) is installed on the rack (120) and communicated with the groove side wall of the liquid containing groove (121).