CN113857857A

CN113857857A - Numerical control sliding table type drilling and tapping combined machine and machining method thereof

Info

Publication number: CN113857857A
Application number: CN202111057643.6A
Authority: CN
Inventors: 叶文刚; 傅立新; 刘彩霞; 江卫锋; 辉喻明
Original assignee: Anhui Huangshan Bench Drilling Machine Co ltd
Current assignee: Anhui Huangshan Bench Drilling Machine Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-12-31

Abstract

The invention discloses a numerical control sliding table type drilling and tapping combined machine and a processing method thereof, wherein the numerical control sliding table type drilling and tapping combined machine comprises a workbench, a working groove is formed in the upper surface of the workbench, a first rotating rod penetrates through the upper surface and the lower surface of the workbench and is rotatably connected with the workbench, a rotating disc is fixed at the top end of the first rotating rod, and a drilling mechanism and a tapping mechanism are respectively arranged on two sides of the rotating disc; the clamping assembly is arranged to clamp the workpiece to be machined, so that the workpiece to be machined is ensured to be stable in the working process, and the machining precision is improved. Through setting up clamping spring, the pulling presss from both sides tight locating plate downstream, and the cooperation telescopic link drives the second dwang and rotates to drive the connecting rod and rotate round the second dwang, make the annular clamp plate on two connecting plates be close to each other, thereby treat the processing work piece and carry out the clamp operation.

Description

Numerical control sliding table type drilling and tapping combined machine and machining method thereof

Technical Field

The invention relates to the technical field of drilling and tapping combined machines, in particular to a numerical control sliding table type drilling and tapping combined machine and a machining method thereof.

Background

The mechanical sliding table is a main body bed of a combined machine tool, a butt milling machine and other special machine tools. The working principle of the mechanical sliding table is that the sliding plate does longitudinal motion on the lathe bed, and the sliding plate is driven by a lead screw and acts as a gearbox. Multiple running speeds such as speed and the like can be obtained, and the running process is stable.

The screw hole often will be through drilling, multiple processes such as reaming, tapping in the course of working could machine-shaping, and current screw hole processing often is to carry out manufacturing procedure such as drilling, tapping respectively on many drilling machines, and the part need be the clamping repeatedly in the course of working, and so not only greatly reduced work efficiency can seriously influence the machining precision of work piece in addition to influence the yield of work piece, greatly reduced the machining efficiency of work piece simultaneously.

In order to solve the above-mentioned drawbacks, a technical solution is now provided.

Disclosure of Invention

The invention aims to provide a numerical control sliding table type drilling and tapping combined machine and a machining method thereof.

The technical problems to be solved by the invention are as follows:

the existing threaded hole machining is that machining processes such as drilling, tapping and the like are usually carried out on a plurality of drilling machines respectively, parts need to be clamped repeatedly in the machining process, so that the working efficiency is greatly reduced, the machining precision of the workpieces can be seriously influenced, the yield of the workpieces is influenced, and the machining efficiency of the workpieces is greatly reduced.

The purpose of the invention can be realized by the following technical scheme:

a numerical control sliding table type drilling and tapping combined machine comprises a workbench, wherein a working groove is formed in the upper surface of the workbench, a first rotating rod penetrates through the upper surface and the lower surface of the workbench and is rotatably connected with the workbench, a rotating disc is fixed at the top end of the first rotating rod, and a drilling mechanism and a tapping mechanism are respectively arranged on two sides of the rotating disc;

the upper surface of rotating disc is equipped with a plurality of annular evenly distributed's clamping components, and clamping components includes the tight platform of clamp fixed mutually with rotating disc's upper surface, and the upper surface of the tight platform of clamp has seted up and has pressed from both sides tight groove, and the inside of pressing from both sides tight groove is equipped with presss from both sides tight locating plate, and the lower fixed surface that presss from both sides tight locating plate has two symmetrically distributed's clamping spring, and clamping spring's bottom is fixed mutually with the inside bottom that presss from both sides tight groove.

Furthermore, a first driven straight gear is fixed at the bottom end of the first rotating rod, a rotating motor is arranged on one side of the first rotating rod, the top end of the rotating motor is fixed with the lower surface of the workbench, a first driving straight gear is fixed at the output end of the rotating motor, and the first driving straight gear is meshed with the first driven straight gear.

Further, the inside both sides of pressing from both sides tight groove are equipped with the second dwang of symmetric distribution, the both ends of second dwang rotate with the inside front end and the rear end of pressing from both sides tight groove respectively and are connected, the both ends side surface of two second dwangs all is fixed with the telescopic link of symmetric distribution, the one end that the second dwang was kept away from to the telescopic link is connected with the side surface hinged joint who presss from both sides tight locating plate, the both ends of two second dwangs all are fixed with the connecting rod of two symmetric distributions, be equipped with the connecting plate between two connecting rods, the one end hinged joint of second dwang is kept away from respectively with two connecting rods at the both ends of connecting plate, one side that the connecting rod was kept away from to the connecting plate is fixed with the annular clamping plate.

Furthermore, the drilling mechanism comprises a first fixed seat fixed with the upper surface of the working groove, a first supporting plate is fixed at the top of the first fixed seat, a first fixed plate is fixed at one side of the top of the first supporting plate close to the rotating disc, two first sliding rods symmetrically distributed are fixed between the first fixed plate and the first fixed seat, a first drilling motor is fixed at the top of the first fixed plate, a first threaded rod is fixed at the output end of the first drilling motor, the bottom end of the first threaded rod penetrates through the first fixed plate and is rotatably connected with the top of the first fixed seat, a second supporting plate is sleeved on the outer surface of the first threaded rod and is in threaded connection with the first threaded rod, the first sliding rod penetrates through the second supporting plate and is slidably connected with the second supporting plate, and symmetrically distributed second fixed plates are fixed at two ends of the second supporting plate close to one side of the rotating disc, two second slide bars which are symmetrically distributed are fixed between the two second fixing plates, a second drilling motor is fixed on the outer surface of one second fixing plate, a second threaded rod is fixed at the output end of the second drilling motor, the second threaded rod penetrates through the second fixing plates and is rotatably connected with the inner surface of the other second fixing plate, a third supporting plate is sleeved on the outer surface of the second threaded rod and is in threaded connection with the second threaded rod, the second slide bar penetrates through the third supporting plate and is slidably connected with the third supporting plate, a fourth fixing plate is fixed at the bottom end of one side, close to the rotating disc, of the third supporting plate, a third drilling motor is fixed at the top of the fourth fixing plate, a drill bit is fixed at the output end of the third drilling motor, and the drill bit penetrates through the fourth fixing plate and is rotatably connected with the fourth fixing plate.

Further, tapping mechanism includes the second fixing base of fixing mutually with the upper surface of working groove, the upper surface of second fixing base is fixed with the fourth backup pad, one side that the top of fourth backup pad is close to the rotating disc is fixed with the fifth fixed plate, one side sliding connection that the fourth backup pad is close to the rotating disc has the fifth backup pad, the top of fifth fixed plate is fixed with first telescopic cylinder, the output of first telescopic cylinder passes the fifth fixed plate and fixes mutually with the top of fifth backup pad, the one end bottom of fifth backup pad is fixed with the sixth fixed plate, one side of sixth fixed plate is fixed with the second telescopic cylinder, the below of fifth backup pad is equipped with the removal room, the outside top of removal room is fixed with the slider of two symmetric distributions, the top of slider and the bottom sliding connection of fifth backup pad, the output of second telescopic cylinder passes the sixth fixed plate and fixes mutually with the outside lateral wall of removal room.

Further, be fixed with the extension board between the inside both sides wall of removal room, the bottom of extension board is fixed with the tapping motor, and the output of tapping motor passes the extension board and is fixed with second initiative spur gear, and one side of tapping motor is equipped with the axis of rotation, and the top of axis of rotation passes the extension board and is fixed with the driven spur gear of second, and second initiative spur gear and the driven spur gear of second mesh mutually, and the bottom of axis of rotation passes the removal room and is fixed with the screw tap, and the axis of rotation rotates with extension board and removal room respectively and is connected.

Furthermore, an oiling mechanism is arranged at the bottom of the support plate, the oiling mechanism comprises an oiling chamber fixed at the bottom of the support plate, two side walls inside the oiling chamber are slidably connected with sliding plates, lubricating oil is placed at the bottom end inside the oiling chamber, the oiling chamber is sleeved on the outer surface of the rotating shaft, the rotating shaft penetrates through the oiling chamber and the sliding plates and is rotatably connected with the oiling chamber and the sliding plates, a moving rack is fixed at the top of one end of each sliding plate, a third rotating rod penetrates through one side of the oiling chamber, a moving gear is fixed at one end of the third rotating rod, which is positioned inside the oiling chamber, is meshed with the moving rack, a first rotating handle is fixed at one end of the third rotating rod, two annular sealing strips which are symmetrically distributed and are matched with the rotating shaft are arranged at the bottom end inside the oiling chamber, the two annular sealing strips are respectively positioned at two sides of the rotating shaft, and a sliding block is fixed at one end of the annular sealing strip, go up the bottom lateral wall of grease chamber and run through and be equipped with the third threaded rod, the third threaded rod is located the inside one end of grease chamber and is connected with the lateral wall rotation of last grease chamber, the outside one end that the third threaded rod is located grease chamber is fixed with the second and rotates the handle, the surface both sides of third threaded rod are equipped with positive screw thread and contrary screw thread respectively, two sliding blocks cup joint respectively on positive screw thread and contrary screw thread and respectively with positive screw thread and contrary screw thread threaded connection, the one end that annular sealing strip was kept away from to the sliding block and the inside rear end wall sliding connection of last grease chamber.

A machining method of a numerical control sliding table type drilling and tapping combined machine comprises the following steps:

firstly, placing a plurality of workpieces to be machined on clamping positioning plates in a plurality of clamping assemblies, pulling the clamping positioning plates to move downwards under the action of the gravity of the workpieces to be machined and a clamping spring, and driving a second rotating rod to rotate by matching with a telescopic rod so as to drive a connecting rod to rotate around the second rotating rod, so that annular clamping plates on two connecting plates are close to each other, and thus clamping the workpieces to be machined;

secondly, controlling a rotating motor to start through a numerical control operating platform, driving an output end of the rotating motor to drive a first driving straight gear to rotate, matching with a first driven straight gear to drive a rotating disc on a first rotating rod to rotate, so as to drive a workpiece to be processed in a clamping assembly to rotate to a position right below a drilling mechanism, starting a first drilling motor, driving an output end of the first drilling motor to drive a first threaded rod to rotate, matching with a first sliding rod to drive a second supporting plate to move in a vertical direction, starting a second drilling motor, driving an output end of the second drilling motor to drive a second threaded rod to rotate, matching with a second sliding rod to drive a third supporting plate to move in a horizontal direction, so as to enable a drill bit to move to a position, needing to drill, of an upper cover of the workpiece to be processed, and starting a third drilling motor to drive the drill bit to rotate so as to perform drilling operation on the workpiece to be processed;

thirdly, continuing to drive the workpiece to be processed after the drilling operation to rotate to the position right below the tapping mechanism through the rotating disc, starting the first telescopic cylinder, driving the output end of the first telescopic cylinder to push the fifth support plate to slide on the fourth support plate, realizing free movement in the vertical direction, starting the second telescopic cylinder, driving the output end of the second telescopic cylinder to push the moving chamber to freely move in the horizontal direction, enabling the screw tap to move into a hole formed in the workpiece to be processed through the drilling mechanism, starting the tapping motor, driving the output end of the tapping motor to drive the second driving straight gear to rotate, and matching with the second driven straight gear to drive the screw tap on the rotating shaft to rotate to perform tapping operation on the workpiece to be processed;

the fourth step, when needs oil to the screw tap, rotate the second and rotate the handle and drive the third threaded rod and rotate, two sliding blocks of cooperation respectively with the threaded connection of positive screw thread and contrary screw thread, drive two sliding blocks and keep away from each other, rotate first rotation handle simultaneously and drive the removal gear revolve, the cooperation removes the rack and drives the sliding plate downstream, extrudees the lubricating oil in the oil chamber, makes lubricating oil along axis of rotation landing to the screw tap on, the operation of oiling is accomplished.

The invention has the beneficial effects that:

the clamping assembly is arranged to clamp the workpiece to be machined, so that the workpiece to be machined is ensured to be stable in the working process, and the machining precision is improved. Through setting up clamping spring, the pulling presss from both sides tight locating plate downstream, and the cooperation telescopic link drives the second dwang and rotates to drive the connecting rod and rotate round the second dwang, make the annular clamp plate on two connecting plates be close to each other, thereby treat the processing work piece and carry out the clamp operation.

The drill bit can move freely in the vertical direction and the horizontal direction by arranging the drilling mechanism, so that the drill bit can move freely to any position on a workpiece to be processed, the application range of the device is enlarged, and the drilling precision is improved. The first threaded rod is driven to rotate by the aid of the first drilling motor, the first sliding rod is matched with the second supporting plate to drive the second supporting plate to move in the vertical direction, the second threaded rod is driven to rotate by the aid of the second drilling motor, the second sliding rod is matched with the third supporting plate to drive the third supporting plate to move in the horizontal direction, and the third drilling motor drives the drill bit to rotate to drill a workpiece to be machined.

Through setting up tapping mechanism, make the screw tap realize freely moving on vertical and horizontal direction homoenergetic to make the screw tap can accurately move to waiting to process downthehole that obtains through drilling mechanism on the work piece, further realize accurate tapping operation, improve the precision of tapping, improve the processingquality of work piece. Promote the fifth backup pad through first telescopic cylinder and slide in the fourth backup pad, realize the ascending free removal of vertical side, promote through the telescopic cylinder of second and remove the room and freely remove on the horizontal direction, drive the rotation of second initiative straight-teeth gear through the tapping motor, cooperate the driven straight-teeth gear of second to drive the epaxial screw tap rotation of axis of rotation and treat the work piece and carry out the tapping operation.

Through setting up the mechanism that oils, oil to the screw tap, improve the efficiency of tapping, reduce the frictional force of screw tap and work piece simultaneously, increase the life of screw tap, reduce cost. Rotate the handle through the second and drive the third threaded rod and rotate, thereby it is close to each other or keeps away from to drive two sliding blocks, when two sliding blocks are close to each other to completely with the axis of rotation laminating, lubricating oil in the oiling chamber then is stopped oiling in last grease chamber, when two sliding blocks were kept away from each other, rotate first handle and drive the removal gear revolve of rotating simultaneously, the cooperation removes the rack and drives the sliding plate downstream, lubricating oil in the oiling chamber extrudees, make lubricating oil along axis of rotation landing to the screw tap, accomplish the operation of oiling.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

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

FIG. 2 is a schematic view of a portion of the structure of the table of the present invention;

FIG. 3 is a schematic structural view of the clamping assembly of the present invention;

FIG. 4 is a top view of the clamping table of the present invention;

FIG. 5 is a schematic structural view of the drilling mechanism of the present invention;

FIG. 6 is a schematic structural view of the tapping mechanism of the present invention;

FIG. 7 is a schematic view showing the internal structure of the mobile chamber of the present invention;

FIG. 8 is a schematic structural view of an oiling mechanism of the present invention;

fig. 9 is a partial structural plan view of the oiling mechanism of the present invention.

In the figure, 1, a workbench; 101. a working groove; 102. supporting legs; 2. a first rotating lever; 3. a first driven spur gear; 4. rotating the disc; 5. rotating the motor; 6. a first driving spur gear; 7. a clamping assembly; 701. a clamping table; 702. a clamping groove; 703. clamping the positioning plate; 704. a clamping spring; 705. a second rotating lever; 706. a telescopic rod; 707. a connecting rod; 708. a connecting plate; 709. an annular clamping plate; 8. a drilling mechanism; 801. a first fixed seat; 802. a first support plate; 803. a first slide bar; 804. a first drilling motor; 805. a first threaded rod; 806. a second support plate; 807. a second slide bar; 808. a second drilling motor; 809. a second threaded rod; 810. a third support plate; 811. a third drilling motor; 812. a drill bit; 9. a tapping mechanism; 901. a second fixed seat; 902. a fourth support plate; 903. a fifth support plate; 904. a first telescopic cylinder; 905. a second telescopic cylinder; 906. a mobile chamber; 907. a support plate; 908. a tapping motor; 909. a second driving spur gear; 910. a rotating shaft; 911. a second driven spur gear; 912. a screw tap; 10. an oiling mechanism; 1001. an upper oil chamber; 1002. a sliding plate; 1003. moving the rack; 1004. a third rotating rod; 1005. a moving gear; 1006. a first rotating handle; 1007. an annular sealing strip; 1008. a slider; 1009. a third threaded rod; 1010. a second rotating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution:

a numerical control sliding table type drilling and tapping combined machine comprises a workbench 1, a working groove 101 is formed in the upper surface of the workbench 1, four symmetrically distributed supporting legs 102 are fixed at four corners of the lower surface of the workbench 1, a first rotating rod 2 penetrates through the upper surface and the lower surface of the workbench 1, the first rotating rod 2 is rotatably connected with the workbench 1, a first driven straight gear 3 is fixed at the bottom end of the first rotating rod 2, a rotating disc 4 is fixed at the top end of the first rotating rod 2, a rotating motor 5 is arranged at one side of the first rotating rod 2, the top end of the rotating motor 5 is fixed with the lower surface of the workbench 1, a first driving straight gear 6 is fixed at the output end of the rotating motor 5, the first driving straight gear 6 is meshed with the first driven straight gear 3, a first driving straight gear 6 is driven to rotate by a rotating motor 5, and a rotating disc 4 on a first rotating rod 2 is driven to rotate by matching with a first driven straight gear 3.

The upper surface of the rotating disc 4 is provided with a plurality of clamping components 7 which are uniformly distributed in an annular shape, each clamping component 7 comprises a clamping table 701 fixed with the upper surface of the rotating disc 4, the upper surface of the clamping table 701 is provided with a clamping groove 702, a clamping positioning plate 703 is arranged inside the clamping groove 702, the clamping positioning plate 703 is used for placing a workpiece to be processed, the lower surface of the clamping positioning plate 703 is fixed with two clamping springs 704 which are symmetrically distributed, the clamping springs 704 are in a compressed state, the bottom ends of the clamping springs 704 are fixed with the bottom end of the inside of the clamping groove 702, two sides of the inside of the clamping groove 702 are provided with second rotating rods 705 which are symmetrically distributed, two ends of each second rotating rod 705 are respectively rotatably connected with the front end and the rear end inside of the clamping groove 702, two side surfaces of the two ends of each second rotating rod 705 are fixed with symmetrically distributed telescopic rods 706, one end of each telescopic rod 706 away from the second rotating rod 705 is hinged with the side surface of the clamping positioning plate 703, two connecting rods 707 are fixed at two ends of the two second rotating rods 705, the two connecting rods 707 are symmetrically distributed, a connecting plate 708 is arranged between the two connecting rods 707, two ends of the connecting plate 708 are respectively hinged with one ends of the two connecting rods 707 far away from the second rotating rods 705, and an annular clamping plate 709 is fixed at one side of the connecting plate 708 far away from the connecting rods 707. Through setting up clamping spring 704, the pulling presss from both sides tight locating plate 703 downstream, cooperates telescopic link 706 to drive second dwang 705 and rotates to drive connecting rod 707 around second dwang 705 and rotate, make the annular clamping plate 709 on two connecting plates 708 be close to each other, thereby treat that the processing work piece presss from both sides tight operation. Through setting up clamping assembly 7, treat that the processing work piece presss from both sides tightly, guarantee to treat that the processing work piece keeps stable in the course of the work, improve the precision of processing.

A drilling mechanism 8 and a tapping mechanism 9 are respectively arranged on two sides of the rotating disc 4, the drilling mechanism 8 comprises a first fixed seat 801 fixed with the upper surface of the working groove 101, a first supporting plate 802 is fixed on the top of the first fixed seat 801, a first fixed plate is fixed on one side of the top of the first supporting plate 802 close to the rotating disc 4, two first sliding rods 803 which are symmetrically distributed are fixed between the first fixed plate and the first fixed seat 801, a first drilling motor 804 is fixed on the top of the first fixed plate, a first threaded rod 805 is fixed on the output end of the first drilling motor 804, the bottom end of the first threaded rod 805 passes through the first fixed plate and is rotatably connected with the top of the first fixed seat 801, a second supporting plate 806 is sleeved on the outer surface of the first threaded rod 805, the second supporting plate 806 is in threaded connection with the first threaded rod 805, the first sliding rod 803 passes through the second supporting plate 806 and is in sliding connection with the second supporting plate 806, two ends of the second supporting plate 806 are fixed with symmetrically distributed second fixing plates on one side close to the rotating disc 4, two symmetrically distributed second sliding rods 807 are fixed between the two second fixing plates, a second drilling motor 808 is fixed on the outer surface of one second fixing plate, a second threaded rod 809 is fixed at the output end of the second drilling motor 808, the second threaded rod 809 passes through the second fixing plate and is rotatably connected with the inner surface of the other second fixing plate, a third supporting plate 810 is sleeved on the outer surface of the second threaded rod 809, the third supporting plate 810 is in threaded connection with the second threaded rod 809, the second sliding rod 807 passes through the third supporting plate 810 and is in sliding connection with the third supporting plate 810, a fourth fixing plate is fixed at the bottom end of one side of the third supporting plate 810 close to the rotating disc 4, a third drilling motor 811 is fixed at the top of the fourth fixing plate, and a drill 812 is fixed at the output end of the third drilling motor 811, the drill 812 passes through and is rotatably connected to the fourth fixing plate. Drive first threaded rod 805 through setting up first drilling motor 804 and rotate, the cooperation first slide bar 803 drives second backup pad 806 and moves in vertical direction, drive second threaded rod 809 through second drilling motor 808 and rotate, cooperation second slide bar 807 drives third backup pad 810 and moves in the horizontal direction, drive drill bit 812 through third drilling motor 811 and rotate and treat the processing work piece and carry out drilling operation, make drill bit 812 can the homoenergetic realize free movement on vertical direction and the horizontal direction through setting up drilling mechanism 8, thereby make drill bit 812 can remove wantonly to treating the optional position on the processing work piece, thereby increase the application scope of device, improve the precision of drilling.

The tapping mechanism 9 comprises a second fixed seat 901 fixed with the upper surface of the working groove 101, a fourth supporting plate 902 is fixed on the upper surface of the second fixed seat 901, a fifth fixed plate is fixed on one side, close to the rotating disc 4, of the top end of the fourth supporting plate 902, a fifth supporting plate 903 is connected to one side, close to the rotating disc 4, of the fourth supporting plate 902 in a sliding mode, a first telescopic cylinder 904 is fixed to the top of the fifth fixed plate, the output end of the first telescopic cylinder 904 penetrates through the fifth fixed plate and is fixed with the top of the fifth supporting plate 903, a sixth fixed plate is fixed to the bottom of one end of the fifth supporting plate 903, a second telescopic cylinder 905 is fixed to one side of the sixth fixed plate, a moving chamber 906 is arranged below the fifth supporting plate 903, two symmetrically-distributed sliders are fixed to the top end of the moving chamber 906, the top of each slider is connected with the bottom of the fifth supporting plate 903 in a sliding mode, and the output end of the second telescopic cylinder 905 penetrates through the sixth fixed plate and is fixed with one side wall of the outside of the moving chamber 906.

A support plate 907 is fixed between two side walls inside the moving chamber 906, a tapping motor 908 is fixed at the bottom of the support plate 907, the output end of the tapping motor 908 penetrates through the support plate 907 and is fixed with a second driving spur gear 909, a rotating shaft 910 is arranged at one side of the tapping motor 908, the top end of the rotating shaft 910 penetrates through the support plate 907 and is fixed with a second driven spur gear 911, the second driving spur gear 909 is meshed with the second driven spur gear 911, the bottom end of the rotating shaft 910 penetrates through the moving chamber 906 and is fixed with a screw tap 912, and the rotating shaft 910 is respectively connected with the support plate 907 and the moving chamber 906 in a rotating mode. Promote the fifth backup pad 903 through first telescopic cylinder 904 and slide on fourth backup pad 902, realize the ascending free removal of vertical side, promote through second telescopic cylinder 905 and remove room 906 freely on the horizontal direction, it rotates to drive second initiative spur gear 909 through tapping motor 908, cooperation second driven spur gear 911 drives the screw tap 912 rotation on the axis of rotation 910 and treats the work piece and carry out the tapping operation, through setting up tapping mechanism 9, make screw tap 912 can realize free removal on vertical and horizontal direction homoenergetic, thereby make screw tap 912 can accurately move to treating to process downthehole through drilling mechanism 8 obtains on the work piece, further realize accurate tapping operation, the precision of tapping is improved, the processingquality of work piece is improved.

An oiling mechanism 10 is arranged at the bottom of the support plate 907, the oiling mechanism 10 comprises an oiling chamber 1001 fixed with the bottom of the support plate 907, two side walls inside the oiling chamber 1001 are slidably connected with sliding plates 1002, lubricating oil is placed at the bottom end inside the oiling chamber 1001, the oiling chamber 1001 is sleeved on the outer surface of a rotating shaft 910, the rotating shaft 910 penetrates through the oiling chamber 1001 and the sliding plates 1002 and is rotatably connected with the oiling chamber 1001 and the sliding plates 1002, a movable rack 1003 is fixed at the top of one end of each sliding plate 1002, a third rotating rod 1004 penetrates through one side of the oiling chamber 1001, a movable gear 1005 is fixed at one end of the third rotating rod 1004 inside the oiling chamber 1001, the movable gear 1005 is meshed with the movable rack 1003, a first rotating handle 1006 is fixed at one end of the third rotating rod 1004 outside the oiling chamber 1001, two annular sealing strips 1007 which are symmetrically distributed and are matched with the rotating shafts 910 are arranged at the bottom end inside the oiling chamber 1001, two annular seal 1007's the both sides that are located axis of rotation 910 respectively, annular seal 1007's one end is fixed with sliding block 1008, bottom lateral wall of oiling chamber 1001 runs through and is equipped with third threaded rod 1009, third threaded rod 1009 is located the inside one end of oiling chamber 1001 and is connected with the lateral wall rotation of oiling chamber 1001, third threaded rod 1009 is located the outside one end of oiling chamber 1001 and is fixed with second rotation handle 1010, the surface both sides of third threaded rod 1009 are equipped with positive thread and contrary screw respectively, two sliding blocks 1008 cup joint respectively on positive thread and contrary screw thread and respectively with positive thread and contrary screw thread threaded connection, annular seal 1007's one end and the inside rear end wall sliding connection of oiling chamber 1001 are kept away from to sliding block 1008. Drive third threaded rod 1009 through second rotation handle 1010 and rotate, thereby drive two sliding blocks 1008 and be close to each other or keep away from, when two sliding blocks 1008 were close to each other to laminating with axis of rotation 910 completely, lubricating oil in the oil chamber 1001 then was blockked and stops oiling in last oil chamber 1001, when two sliding blocks 1008 kept away from each other, rotate first rotation handle 1006 simultaneously and drive removal gear 1005 and rotate, cooperation removal rack 1003 drives sliding plate 1002 downstream, extrude lubricating oil in the oil chamber 1001, make lubricating oil along axis of rotation 910 landing to on screw tap 912, accomplish the operation of oiling, through setting up oiling mechanism 10, oil to screw tap 912, improve the efficiency of tapping, reduce the frictional force of screw tap 912 and work piece simultaneously, increase screw tap 912's life, and low cost.

The rotary motor 5, the first drilling motor 804, the second drilling motor 808, the third drilling motor 811, the first telescopic cylinder 904, the second telescopic cylinder 905 and the tapping motor 908 are all electrically connected with the numerical control operating platform, and the motors and the cylinders are controlled and driven by the numerical control operating platform to complete drilling and tapping operations.

firstly, placing a plurality of workpieces to be machined on a clamping positioning plate 703 in a plurality of clamping assemblies 7, pulling the clamping positioning plate 703 to move downwards under the action of the gravity of the workpieces to be machined and a clamping spring 704, and driving a second rotating rod 705 to rotate by matching with a telescopic rod 706 so as to drive a connecting rod 707 to rotate around the second rotating rod 705, so that annular clamping plates 709 on two connecting plates 708 are close to each other, and thus, clamping the workpieces to be machined;

secondly, the rotation motor 5 is controlled to be started through a numerical control operating platform, the output end of the rotation motor is driven to drive the first driving straight gear 6 to rotate, the first driven straight gear 3 is matched to drive the rotating disc 4 on the first rotating rod 2 to rotate, so that the workpiece to be processed in the clamping assembly 7 is driven to rotate to the position right below the drilling mechanism 8, the first drilling motor 804 is started, the output end of the first drilling motor is driven to drive the first threaded rod 805 to rotate, the first sliding rod 803 is matched to drive the second supporting plate 806 to move in the vertical direction, the second drilling motor 808 is started, the output end of the second drilling motor is driven to drive the second threaded rod 809 to rotate, the second sliding rod 807 is matched to drive the third supporting plate 810 to move in the horizontal direction, so that the drill 812 is moved to the position, needing to be drilled, of the upper cover of the workpiece to be processed, and the third drilling motor 811 is started to drive the drill 812 to rotate to perform drilling operation on the workpiece to be processed;

thirdly, continuously driving the workpiece to be processed after the drilling operation to rotate to the position right below the tapping mechanism 9 through the rotating disc 4, starting the first telescopic cylinder 904, driving the output end of the first telescopic cylinder 904 to push the fifth support plate 903 to slide on the fourth support plate 902, realizing free movement in the vertical direction, starting the second telescopic cylinder 905, driving the output end of the second telescopic cylinder to push the moving chamber 906 to freely move in the horizontal direction, moving the screw tap 912 into a hole obtained on the workpiece to be processed through the drilling mechanism 8, starting the tapping motor 908, driving the output end of the tapping motor 908 to drive the second driving spur gear 909 to rotate, and matching with the second driven spur gear 911 to drive the screw tap 912 on the rotating shaft 910 to rotate to perform tapping operation on the workpiece to be processed;

the fourth step, when needs oil to screw tap 912, rotate the second and rotate handle 1010 and drive third threaded rod 1009 and rotate, two sliding blocks 1008 of cooperation respectively with the threaded connection of positive thread and contrary screw thread, drive two sliding blocks 1008 and keep away from each other, rotate first handle 1006 of rotation simultaneously and drive removal gear 1005 and rotate, cooperation removal rack 1003 drives sliding plate 1002 downstream, extrude the lubricating oil in the oil compartment 1001, make lubricating oil along axis of rotation 910 landing to screw tap 912, accomplish the operation of oiling.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A numerical control sliding table type drilling and tapping combined machine comprises a workbench (1), wherein a working groove (101) is formed in the upper surface of the workbench (1), and is characterized in that a first rotating rod (2) penetrates through the upper surface and the lower surface of the workbench (1), the first rotating rod (2) is rotatably connected with the workbench (1), a rotating disc (4) is fixed at the top end of the first rotating rod (2), and a drilling mechanism (8) and a tapping mechanism (9) are respectively arranged on two sides of the rotating disc (4);

the upper surface of the rotating disc (4) is provided with a plurality of clamping components (7) which are uniformly distributed in an annular shape, each clamping component (7) comprises a clamping table (701) fixed to the upper surface of the rotating disc (4), a clamping groove (702) is formed in the upper surface of each clamping table (701), a clamping positioning plate (703) is arranged inside each clamping groove (702), two clamping springs (704) which are symmetrically distributed are fixed to the lower surface of each clamping positioning plate (703), and the bottom ends of the clamping springs (704) are fixed to the bottom ends of the inside of the clamping grooves (702).

2. The numerical control sliding table type drilling and tapping combined machine is characterized in that a first driven straight gear (3) is fixed to the bottom end of the first rotating rod (2), a rotating motor (5) is arranged on one side of the first rotating rod (2), the top end of the rotating motor (5) is fixed to the lower surface of the workbench (1), a first driving straight gear (6) is fixed to the output end of the rotating motor (5), and the first driving straight gear (6) is meshed with the first driven straight gear (3).

3. The combination drill-tapping machine of claim 1, the inside both sides of clamping groove (702) are equipped with symmetric distribution's second dwang (705), the both ends of second dwang (705) are rotated with the inside front end and the rear end of clamping groove (702) respectively and are connected, the both ends side surface of two second dwang (705) all is fixed with symmetric distribution's telescopic link (706), the one end that second dwang (705) were kept away from in telescopic link (706) and the side surface hinged joint who presss from both sides tight locating plate (703), the both ends of two second dwang (705) all are fixed with two symmetric distribution's connecting rod (707), be equipped with connecting plate (708) between two connecting rod (707), the both ends of connecting plate (708) are kept away from the one end hinged joint of second dwang (705) respectively with two connecting rod (707), one side that connecting plate (708) kept away from connecting rod (707) is fixed with annular clamping plate (709).

4. The combination drilling and tapping machine as claimed in claim 1, wherein the drilling mechanism (8) comprises a first fixed base (801) fixed to the upper surface of the working groove (101), a first supporting plate (802) is fixed to the top of the first fixed base (801), a first fixed plate is fixed to one side of the top of the first supporting plate (802) close to the rotating disc (4), two first sliding rods (803) symmetrically distributed are fixed between the first fixed plate and the first fixed base (801), a first drilling motor (804) is fixed to the top of the first fixed plate, a first threaded rod (805) is fixed to the output end of the first drilling motor (804), the bottom end of the first threaded rod (805) penetrates through the first fixed plate and is rotatably connected to the top of the first fixed base (801), a second supporting plate (806) is sleeved on the outer surface of the first threaded rod (805), the second supporting plate (806) is in threaded connection with the first threaded rod (805), the first sliding rod (803) penetrates through the second supporting plate (806) and is in sliding connection with the second supporting plate (806), symmetrically distributed second fixing plates are fixed to one side, close to the rotating disc (4), of two ends of the second supporting plate (806), two symmetrically distributed second sliding rods (807) are fixed between the two second fixing plates, a second drilling motor (808) is fixed to the outer surface of one of the second fixing plates, a second threaded rod (809) is fixed to the output end of the second drilling motor (808), the second threaded rod (809) penetrates through the second fixing plates and is in rotating connection with the inner surface of the other second fixing plate, a third supporting plate (810) is sleeved on the outer surface of the second threaded rod (809), the third supporting plate (810) is in threaded connection with the second threaded rod (809), the second sliding rod (807) penetrates through the third supporting plate (810) and is in sliding connection with the third supporting plate (810), a fourth fixing plate is fixed to the bottom end of one side, close to the rotating disc (4), of the third supporting plate (810), a third drilling motor (811) is fixed to the top of the fourth fixing plate, a drill bit (812) is fixed to the output end of the third drilling motor (811), and the drill bit (812) penetrates through the fourth fixing plate and is connected with the fourth fixing plate in a rotating mode.

5. The numerical control sliding table type drilling and tapping combined machine according to claim 1, wherein the tapping mechanism (9) comprises a second fixed seat (901) fixed to the upper surface of the working groove (101), a fourth supporting plate (902) is fixed to the upper surface of the second fixed seat (901), a fifth fixed plate is fixed to one side, close to the rotating disc (4), of the top end of the fourth supporting plate (902), a fifth supporting plate (903) is connected to one side, close to the rotating disc (4), of the fourth supporting plate (902) in a sliding mode, a first telescopic cylinder (904) is fixed to the top of the fifth fixed plate, the output end of the first telescopic cylinder (904) penetrates through the fifth fixed plate and is fixed to the top of the fifth supporting plate (903), a sixth fixed plate is fixed to the bottom of one end of the fifth supporting plate (903), and a second telescopic cylinder (905) is fixed to one side of the sixth fixed plate, the lower part of fifth backup pad (903) is equipped with and removes room (906), and the outside top of removing room (906) is fixed with the slider of two symmetric distributions, the top of slider and the bottom sliding connection of fifth backup pad (903), and the output of second telescopic cylinder (905) passes the sixth fixed plate and is fixed with an outside lateral wall that removes room (906).

6. The numerical control sliding table type drilling and tapping combined machine according to claim 5, wherein a support plate (907) is fixed between two side walls inside the moving chamber (906), a tapping motor (908) is fixed to the bottom of the support plate (907), an output end of the tapping motor (908) penetrates through the support plate (907) and is fixed with a second driving spur gear (909), a rotating shaft (910) is arranged on one side of the tapping motor (908), a top end of the rotating shaft (910) penetrates through the support plate (907) and is fixed with a second driven spur gear (911), the second driving spur gear (909) is meshed with the second driven spur gear (911), a bottom end of the rotating shaft (910) penetrates through the moving chamber (906) and is fixed with a screw tap (912), and the rotating shaft (910) is rotatably connected with the support plate (907) and the moving chamber (906) respectively.

7. The numerical control sliding table type drilling and tapping combined machine according to claim 6, wherein an oiling mechanism (10) is arranged at the bottom of the supporting plate (907), the oiling mechanism (10) comprises an upper oil chamber (1001) fixed with the bottom of the supporting plate (907), two side walls inside the upper oil chamber (1001) are connected with a sliding plate (1002) in a sliding mode, lubricating oil is placed at the bottom end inside the upper oil chamber (1001), the upper oil chamber (1001) is sleeved on the outer surface of a rotating shaft (910), the rotating shaft (910) penetrates through the upper oil chamber (1001) and the sliding plate (1002) and is connected with the upper oil chamber (1001) and the sliding plate (1002) in a rotating mode, a movable rack (1003) is fixed at the top of one end of the sliding plate (1002), a third rotating rod (1004) penetrates through one side of the upper oil chamber (1001), and a movable gear (1005) is fixed at one end, located inside the upper oil chamber (1001), of the third rotating rod (1004), the movable gear (1005) is engaged with the movable rack (1003), one end of the third rotating rod (1004) positioned outside the upper oil chamber (1001) is fixed with a first rotating handle (1006), the bottom end inside the upper oil chamber (1001) is provided with two annular sealing strips (1007) which are symmetrically distributed and are matched with the rotating shaft (910), the two annular sealing strips (1007) are respectively positioned at two sides of the rotating shaft (910), one end of each annular sealing strip (1007) is fixed with a sliding block (1008), one side wall of the bottom end of the upper oil chamber (1001) is provided with a third threaded rod (1009) in a penetrating manner, one end of the third threaded rod (1009) positioned inside the upper oil chamber (1001) is rotatably connected with the side wall of the upper oil chamber (1001), one end of the third threaded rod (1009) positioned outside the upper oil chamber (1001) is fixed with a second rotating handle (1010), two sides of the outer surface of the third threaded rod (1009) are respectively provided with a positive thread and a negative thread, two sliding blocks (1008) are respectively sleeved on the positive thread and the negative thread and respectively connected with the positive thread and the negative thread, and one end of the sliding block (1008) far away from the annular sealing strip (1007) is in sliding connection with the inner rear end wall of the upper oil chamber (1001).

8. A machining method of a numerical control sliding table type drilling and tapping combined machine is characterized by comprising the following steps:

firstly, clamping a workpiece to be processed through a clamping positioning plate (703) and two annular clamping plates (709) in a clamping assembly (7);

secondly, the rotating disc (4) is driven to rotate through the rotating motor (5), so that the workpiece to be machined in the clamping assembly (7) is driven to rotate to the position right below the drilling mechanism (8), and the drilling operation is carried out on the workpiece to be machined through a drill bit (812) on the drilling mechanism (8);

thirdly, the workpiece to be machined after the drilling operation is driven to rotate to the position right below the tapping mechanism (9) continuously through the rotating disc (4), and the workpiece to be machined is tapped through a screw tap (912) on the tapping mechanism (9);

and fourthly, when oiling is needed to be carried out on the screw tap (912), lubricating oil slides onto the screw tap (912) along the rotating shaft (910) through the oiling mechanism (10), and oiling operation is completed.