CN203304889U - Drilling machine - Google Patents

Abstract

The utility model belongs to the technical field of machining equipment, and particularly relates to a drilling machine. A four-station rotary disc and a hydraulic system for driving the rotary disc are installed on a machine frame. Each station is provided with a clamping mechanism, a lifting frame is installed on the machine frame above the rotary disc, a tapping system is arranged on the left side of the lifting frame, a drilling system is arranged on the right side of the lifting frame, and a control cabinet for controlling the systems and the mechanisms to work orderly is arranged on the one side of the machine frame. According to the drilling machine, drilling and tapping can be performed on the same machine tool, operation is simpler, and machining time and manpower resources are saved. The drilling machine can be adapted to different screw taps, and axial movement amount of a lifting sleeve and a connecting shaft compensates the difference value of the axial feed amount of the connecting shaft and the screw pitch of the screw taps automatically. The drilling machine is simple and convenient to use, safe and reliable and high in working efficiency.

Description

A kind of drilling machine

Technical field

The utility model belongs to the machining equipment technical field, refers in particular to a kind of drilling machine.

Background technology

At present, in prior art, enterprise often runs into boring and the tapping processing that need to complete a workpiece, yet conventional machining often needs just can achieve the goal through two equipment.So not only reduced production efficiency, and when holing simultaneously and during tapping at the diverse location of a workpiece, also there is the not accurate enough problem in location in it, thereby is difficult to guarantee the machining accuracy of part, and working (machining) efficiency is also extremely low and increased human resources configuration.Although on current Machine Tool Market, there is numerical control machining center also can meet processing request, because it is expensive, machine tool accessories is many, complicated operation, and for the small batch spare and accessory parts of general precision, its cost is too high, and cost of idleness is not calculated economically.　

At tap tapping with while moving back thread, when often turning around, main shaft also has certain axial feeding, and the pitch of screw tap should be consistent with this axial feeding, otherwise can cause rotten tooth or screw tap to fracture, therefore, after the screw tap of changing different size, all need the program of tapping system is adjusted to (axial feeding of adjusting power transmission shaft), to adapt to screw tap, this has caused certain puzzlement for the tapping operation, especially during small lot batch manufacture, it is particularly outstanding that this defect seems.　

Summary of the invention

It is a kind of simple to operate that the purpose of this utility model is to provide, and can carry out simultaneously by multiple operation high efficiency, safe and reliable drilling machine.

For achieving the above object, the utility model provides following technical scheme:

A kind of drilling machine, comprise frame, the hydraulic system of four station turnplates and driving rotating disk is installed on frame, each station is provided with clamping mechanism, on the frame of rotating disk top, a crane is installed, crane comprises upper plate, lower shoe and four leads that are arranged on four angles of upper and lower bottom plate and both are fixed as one, lead is located in respectively in four guide pin bushings of frame top, the left side of crane lower shoe is provided with the tapping system, right side is provided with hole-drilling system, the top of frame is fixed with hoist cylinder, the piston rod of hoist cylinder is connected on crane, one side of frame is provided with the switch board of controlling the orderly work of each system and mechanism,

Described four station turnplates comprise chassis and take over a business, take over a business to be arranged on the top on chassis, both connect as one by some root posts, on chassis, be provided with described station, the clamping mechanism of station comprises the hydraulic jack vertically be arranged on chassis, the output shaft of hydraulic jack protrudes upward and is fixedly connected with lifter plate, and the both sides of lifter plate all are contained on column by bearing holder (housing, cover), on lifter plate, is provided with workpiece and settles position; All sides on chassis are equipped with several hydraulic jack controllers, and the hydraulic jack controller is corresponding one by one with the hydraulic jack of clamping mechanism;

Described tapping system and hole-drilling system include drive motors, main spindle box and multi-shaft device, corresponding, on the multi-shaft device of hole-drilling system, be mounted with drill chuck, on the multi-shaft device of tapping system, be mounted with chasing bar, chasing bar comprises lifting cover, connecting axle and chuck, the bottom of connecting axle is splined shaft, and splined shaft stretches in the inner chamber of lifting cover and is fixedly connected with a block; Lifting cover and the contact site of splined shaft are corresponding splined shaft sleeve, and the lifting cover is inner, be set with the first spring on the connecting axle of block upside, and the upper end of the first spring is against the inwall of lifting cover, and lower end is against the block upper surface; The lower end of lifting cover is installed with chuck, and chuck is for installing screw tap; Described lifting cover is inner, the block downside is equipped with the second spring, and the upper end of the second spring is against the downside of block, and lower end is against the upper surface of chuck; On the outer wall of described lifting cover, be provided with upper and lower two through holes, upper through hole is communicated with the inner chamber that is positioned at the block upside of lifting cover, lower through-hole is communicated with the inner chamber that is positioned at the block downside of lifting cover, on the outer wall of lifting cover, form the guide groove that is communicated with upper and lower through hole, the bottom of described lifting cover is arranged with sealing shroud, liquid sealing between sealing shroud and lifting cover, and sealing shroud covers upper and lower through hole and the guide groove of lifting cover, and sealing shroud is held in the upper end of chuck.

The utility model beneficial effect compared to existing technology is: lathe of the present utility model is integrated hole-drilling system and tapping system, boring and tapping procedures can be carried out on same lathe, therefore operation is simpler, process time and human resources have been saved, adding man-hour, the workman only need be placed in workpiece on rotating disk, and lathe just can be automatically and holed rapidly and tapping processing, therefore can effectively enhance productivity; And the utility model is comparatively accurate to the location of the process of workpiece, improved machining accuracy and the production efficiency of part;

This device can adapt to different screw taps, after screw tap is changed, do not need the tapping system of loading this device is adjusted, (connecting axle stretches into the length increase of lifting cover, and this is worth for negative the axial internal clearance of the pitch of the vertical amount of movement=screw tap of power transmission shaft+lifting cover and connecting axle, otherwise just), a tap tapping and while moving back thread, lifting is overlapped stressed and is moved axially with connecting axle, one in two springs launches, another contraction, the axial internal clearance auto-compensation of lifting cover and connecting axle the axial feeding of connecting axle and the difference of screw tap pitch, it is easy to use, safe and reliable, high efficiency, tapping effect is good, can better avoid the event that the rotten tooth of screw thread or screw tap fracture to occur,

The design of upper and lower two through holes and guide groove makes the chamber of block upside and the chamber of downside to interconnect, and has avoided the interference of air pressure, simultaneously, can in two chambers, certain lubricating oil be set, the more effective raising whole service life.

The accompanying drawing explanation

Fig. 1 is schematic diagram of the present utility model.

Fig. 2 is chasing bar schematic diagram of the present utility model.

Fig. 3 is the A-A cutaway view of Fig. 2.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for the utility model is described, but are not used for limiting scope of the present utility model.

As Figure 1-3, a kind of drilling machine, comprise frame 1, the hydraulic system of four station turnplates 18 and driving rotating disk is installed on frame 1, on rotating disk 18, evenly be provided with four stations, each station is provided with clamping mechanism 16, a crane is installed on the frame 1 of rotating disk 18 tops, crane comprises upper plate 8, lower shoe 12 and four leads 7 that are arranged on four angles of upper and lower bottom plate and both are fixed as one, lead 7 is located in respectively in four guide pin bushings 4 at frame 1 top, the left side of crane lower shoe 12 is provided with the tapping system, right side is provided with hole-drilling system, the top of frame 1 is fixed with hoist cylinder 5, the piston rod of hoist cylinder 5 is connected on crane, one side of frame 1 is provided with the switch board 2 of controlling the orderly work of each system and mechanism,

Described four station turnplates comprise chassis 17 and take over a business 13, take over a business 13 tops that are arranged on chassis 17, both connect as one by some root posts 14, on chassis 17, be provided with described station, the clamping mechanism 16 of station comprises the hydraulic jack 162 vertically be arranged on chassis 17, the output shaft of hydraulic jack 162 protrudes upward and is fixedly connected with lifter plate 161, the both sides of lifter plate 161 are contained on column 14 by bearing holder (housing, cover) all that (column 14 is at connecting base plate 17 and take over a business the double lead of doing lifter plate 161 in 13, make structure simpler, reliably), on lifter plate 161, be provided with the arrangement position of workpiece 15, all sides on chassis 17 are equipped with several hydraulic jack controllers, the hydraulic jack controller is corresponding one by one with the hydraulic jack 162 of clamping mechanism, controller is controlled the lifting of hydraulic jack, the output shaft of hydraulic jack 162 can protrude upward and the workpiece 15 on lifter plate is held out against at the downside of taking over a business 13, namely complete the clamping of workpiece, on taking over a business, be provided with for the screw tap of chasing bar and the through hole that the drill bit on drill chuck passes.

Described tapping system and hole-drilling system include drive motors 9, main spindle box 6 and multi-shaft device 10, corresponding, on the multi-shaft device of hole-drilling system, be mounted with drill chuck 3, on the multi-shaft device of tapping system, be mounted with chasing bar 11,

Chasing bar comprises lifting cover 101, connecting axle 100 and chuck 107, and wherein, torque is from the top input of connecting axle 100, and the bottom of connecting axle 100 is splined shaft 1001, and splined shaft 1001 stretches in the inner chamber of lifting cover and is fixedly connected with a block 103; Lifting cover and the contact site of splined shaft 1001 are corresponding splined shaft sleeve, on the connecting axle 100 of lifting cover 101 inside, block 103 upsides, be set with the first spring 102, the upper end of the first spring 102 is against the inwall of lifting cover 101, and lower end is against block 103 upper surfaces; The lower end of lifting cover 101 is installed with chuck 107, and chuck 107 is be used to installing screw tap 108; The upper end that described lifting cover 101 inside, block 103 downsides are equipped with the second spring 104, the second springs 104 is against the downside of block 103, and lower end is against the upper surface of chuck 107; On the outer wall of described lifting cover 101, be provided with upper and lower two through holes (1011,1013), upper through hole is communicated with the inner chamber that is positioned at the block upside of lifting cover, lower through-hole is communicated with the inner chamber that is positioned at the block downside of lifting cover, on the outer wall of lifting cover 101, form the guide groove 1012 that is communicated with upper and lower through hole, the bottom of described lifting cover 101 is arranged with sealing shroud 105, liquid sealing between sealing shroud 105 and lifting cover 101, and sealing shroud 105 covers the upper and lower through hole (1011 of lifting cover 101,1013) and guide groove 1012, sealing shroud 105 is held in the upper end of chuck 107.

The first spring and the second spring all are in its pre-compressed state, when block when lifting cover inner chamber slides up or down, an expansion in two springs, another is compressed.Torque is inputted from the upper end of connecting axle, and carries out tapping or move back silk by lifting cover and chuck drive screw tap.

Splined shaft has six with the position that the lifting cover contacts simultaneously, and its fit system makes the transmission efficiency of moment of torsion higher, longer service life.This device can adapt to different screw taps, after screw tap is changed, do not need the tapping system of loading this device is adjusted, (connecting axle stretches into the length increase of lifting cover, and this is worth for negative the axial internal clearance of the pitch of the vertical amount of movement=screw tap of power transmission shaft+lifting cover and connecting axle, otherwise just), a tap tapping and while moving back thread, lifting is overlapped stressed and is moved axially with connecting axle, one in two springs launches, another contraction, the axial internal clearance auto-compensation of lifting cover and connecting axle the axial feeding of connecting axle and the difference of screw tap pitch, it is easy to use, safe and reliable, high efficiency, tapping effect is good, can better avoid the event that the rotten tooth of screw thread or screw tap fracture to occur.

Upper and lower two through holes (1011,1013) and the design of guide groove 1012 make the chamber a of block 103 upsides and the chamber b of downside to interconnect, avoided the interference of air pressure, simultaneously, can in two chambers, certain lubricating oil be set, the more effective raising whole service life.

Lathe of the present utility model is integrated hole-drilling system and tapping system, boring and tapping procedures can be carried out on same lathe, therefore operation is simpler, process time and human resources have been saved, adaptability is stronger, is adding man-hour, and the workman only need be placed in workpiece on rotating disk, lathe just can be automatically and is holed rapidly and tapping processing, therefore can effectively enhance productivity; And the utility model is comparatively accurate to the location of the process of workpiece, improved machining accuracy and the production efficiency of part.

The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims (1)

1. drilling machine, it is characterized in that: comprise frame, the hydraulic system of four station turnplates and driving rotating disk is installed on frame, each station is provided with clamping mechanism, on the frame of rotating disk top, a crane is installed, crane comprises upper plate, lower shoe and four leads that are arranged on four angles of upper and lower bottom plate and both are fixed as one, lead is located in respectively in four guide pin bushings of frame top, the left side of crane lower shoe is provided with the tapping system, right side is provided with hole-drilling system, the top of frame is fixed with hoist cylinder, the piston rod of hoist cylinder is connected on crane, one side of frame is provided with the switch board of controlling the orderly work of each system and mechanism,

Described four station turnplates comprise chassis and take over a business, take over a business to be arranged on the top on chassis, both connect as one by some root posts, on chassis, be provided with described station, the clamping mechanism of station comprises the hydraulic jack vertically be arranged on chassis, the output shaft of hydraulic jack protrudes upward and is fixedly connected with lifter plate, and the both sides of lifter plate all are contained on column by bearing holder (housing, cover), on lifter plate, is provided with workpiece and settles position; All sides on chassis are equipped with several hydraulic jack controllers, and the hydraulic jack controller is corresponding one by one with the hydraulic jack of clamping mechanism;

Described tapping system and hole-drilling system include drive motors, main spindle box and multi-shaft device, corresponding, on the multi-shaft device of hole-drilling system, be mounted with drill chuck, on the multi-shaft device of tapping system, be mounted with chasing bar, chasing bar comprises lifting cover, connecting axle and chuck, the bottom of connecting axle is splined shaft, and splined shaft stretches in the inner chamber of lifting cover and is fixedly connected with a block; Lifting cover and the contact site of splined shaft are corresponding splined shaft sleeve, and the lifting cover is inner, be set with the first spring on the connecting axle of block upside, and the upper end of the first spring is against the inwall of lifting cover, and lower end is against the block upper surface; The lower end of lifting cover is installed with chuck, and chuck is for installing screw tap; Described lifting cover is inner, the block downside is equipped with the second spring, and the upper end of the second spring is against the downside of block, and lower end is against the upper surface of chuck; On the outer wall of described lifting cover, be provided with upper and lower two through holes, upper through hole is communicated with the inner chamber that is positioned at the block upside of lifting cover, lower through-hole is communicated with the inner chamber that is positioned at the block downside of lifting cover, on the outer wall of lifting cover, form the guide groove that is communicated with upper and lower through hole, the bottom of described lifting cover is arranged with sealing shroud, liquid sealing between sealing shroud and lifting cover, and sealing shroud covers upper and lower through hole and the guide groove of lifting cover, and sealing shroud is held in the upper end of chuck.

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