CN2792665Y

CN2792665Y - Improved milling structure for drilling machine

Info

Publication number: CN2792665Y
Application number: CN 200520042507
Authority: CN
Inventors: 王豫康; 龚建浩
Original assignee: NANTONG SIEG MACHINERY PRODUCTION CO Ltd
Current assignee: NANTONG SIEG MACHINERY PRODUCTION CO Ltd
Priority date: 2005-06-16
Filing date: 2005-06-16
Publication date: 2006-07-05
Anticipated expiration: 2015-06-16

Abstract

The utility model relates to an improved milling structure for a drilling machine, which mainly comprises a main shaft sleeve clamping mechanism, a milling cutter mounting and clamping device, a main shaft minim feeding mechanism and a working table clamping device. The main shaft sleeve clamping mechanism comprises a clamping screw rod arranged at the side of the main shaft sleeve, screw nuts fixed on the clamping screw rod, a left clamping block and a right clamping block respectively arranged at the left end and the right end of the clamping screw rod and clamped at one side of the main shaft sleeve, and a clamping handle clamped at one end part of the clamping screw rod. The main shaft minim feeding mechanism comprises a clutch device arranged at a clutch device seat at the lower end of a worm and a hand wheel shaft and a hand wheel connected with the clutch device, and the worm is positioned on a bearing seat. The working table clamping device is a locking device. The table back surface of the working table is provided with a round pin, and the top of a carrier frame is provided with a locking block which can lock the round pin in a lateral movement. The locking block is fixed via screw nails. The utility model perfects the milling function of a drilling and milling machine, improves reliability, practicability and security of a machine tool, and develops a circular column vertical drilling machine into a multifunctional circular column vertical milling and drilling machine.

Description

Modified milling structure on the drilling machine

Technical field

The utility model relates to drilling machine, the modified milling structure on particularly a kind of vertical drilling machine with round column or the vertical cylinder drilling and milling machine.

Background technology

Increasing the milling function on upright drill will bring great convenience to the user, increase sales competitiveness also can for drilling machine manufactory.But from the upright drill of selling in the market with milling function, especially the vertical cylinder drilling and milling machine that has the milling function, exist four structure problems that directly have influence on the milling function, though they can make Milling Process, can only do the very little work of slight Milling Force, and inconvenient operation, the amount of feeding is that depth of cut is difficult to grasp, be easy to damage cutter, cause processing work to be scrapped, also can have an accident sometimes.

Above-mentioned four structure problems that influence the milling function are:

1. collar bush clamp mechanism imperfection can clamp but be difficult to and unclamp, and can pull clamp during mobile collar bush collar bush is killed.

2. spindle taper hole is the Morse's cone hole, and milling cutter can not be strained with pull bar, can only lean on conical surface friction power, therefore falls cutter easily, very easily causes danger.

3. the main shaft microfeed mechanism imperfection of upright drill is difficult to hold the milling cutter depth of cut, also is difficult to guarantee the milling precision.

4. the workbench overwhelming majority of upright drill can both turn round, and its clamp mechanism also can satisfy the clamping requirement of drilling function, but can not guarantee that Milling Force causes workbench to rotate easy like this causing danger greater than clamping force when milling.

Summary of the invention

Task of the present utility model provides modified milling structure on a kind of drilling machine, and it is poor that it has solved the milling function of existing drilling machine, can only carry out slight milling, and the amount of feeding is difficult to grasp, and operation inconvenience, damages the problem of cutter easily.

The technical solution of the utility model is as follows:

Modified milling structure on a kind of drilling machine, it comprises the collar bush clamp mechanism, the milling cutter clamping device, main shaft microfeed mechanism, and Tischarretierungsvorrichtung, described collar bush clamp mechanism comprises the clamping screw that is placed in the collar bush side, is fixed on the nut on the clamping screw, be installed in the left clamp that is clamped in collar bush one side and the right clamp of clamping screw left end and right-hand member respectively, and the clamping lever that is clamped in clamping screw one end;

Described milling cutter clamping device is equipped with the clamping spiro connecting piece, and the clamping spiro connecting piece is installed in the through hole of ring flange of the screw of main shaft end face circumference in Morse's cone hole and milling cutter extension bar and collet extension bar with clamping milling cutter and collet;

Described main shaft microfeed mechanism comprises the hand wheel shaft that is installed in the arrangement of clutch on the arrangement of clutch seat and is connected with arrangement of clutch that is installed in the worm screw lower end together with handwheel, and worm screw is placed on the bearing block;

Described Tischarretierungsvorrichtung is a locking device, at the platform back side of workbench round pin is housed, but the latch segment of move left and right ground locking round pin is housed at the carriage top, and latch segment is fixed by screw.

Modified milling structure has been taked four technical measures on the drilling machine of the present utility model, perfect upright drill is the milling function of vertical cylinder drilling and milling machine especially, improved reliability, practicality and the security of lathe, vertical drilling machine with round column has been developed into multi-functional vertical cylinder drilling and milling machine.These technology can be used equally and make it to develop into drilling and milling machine on the cabinet type radial drilling machine.

Description of drawings

Fig. 1 is the collar bush clamp mechanism schematic diagram of modified milling structure on the drilling machine of the present utility model.

Fig. 2 is the milling cutter clamping mechanism schematic diagram of modified milling structure on the drilling machine of the present utility model.

Fig. 3 is the milling depth controlling organization schematic diagram of modified milling structure on the drilling machine of the present utility model.

Fig. 4 is the table latch device schematic diagram of modified milling structure on the drilling machine of the present utility model.

Fig. 5 is the application front view of modified milling structure on the drilling machine of the present utility model.

Fig. 6 is by right view shown in Figure 5.

The specific embodiment

Referring to Fig. 1 to Fig. 6, the utility model is a modified milling structure on a kind of drilling machine, and it comprises the collar bush clamp mechanism, milling cutter clamping device, main shaft microfeed mechanism, and Tischarretierungsvorrichtung.

In conjunction with referring to Fig. 1 and Fig. 5, the collar bush clamp mechanism mainly is equipped with clamping screw 9, nut 8, left clamp 7, right clamp 10 and clamping lever 4.Clamping screw 9 is placed in collar bush 1 side, is positioned at the below of collar bush 1 shown in the figure.Nut 8 is fixed on the clamping screw 9.Left side clamp 7 is installed in the left end of clamping screw 9, and right clamp 10 is installed in the right-hand member of clamping screw 9, and left clamp 7 is through holes, and right clamp 10 is screws.Left side clamp 7 and right clamp 10 are arranged in collar bush 1 tangent position.Left side clamp 7 and right clamp 10 are clamped in a side of collar bush 1.Clamping lever 4 is installed on the handle set 3, and handle set 3, clamping lever 4 are installed on the main spindle box 2 by blind flange 5 together with Handle axis.Clamping lever 4 is clamped on the end of clamping screw 9 together with Handle axis.

Collar bush 1 moves axially at the Kong Zhongke of main spindle box 2, can not clamp when carrying out drilling, then should clamp when milling.When clamping, rotate clamping lever 4, clamping screw 9 moves left clamp 7 and right clamp 10 and then clamping spindle cover 1 to the center, counter-rotating clamping screw 9, its screw thread is released clamp 10, and 8 on nut fixed thereon is released left clamp 7 left, and assurance is unclamped thus.Left clamp 7 and right clamp 10 are not required action simultaneously,, all can reach the effect that two clamps all can clamp and unclamp no matter left clamp 7 and right clamp 10 are to clamp earlier or unclamp earlier.

Packing ring 6 is housed on the Handle axis of blind flange 5 inboards.On the main spindle box 2 on the right side of right clamp 10, block 11 is housed.Packing ring 6 and block 11 are installed, are convenient to when assembling, adjust end play, and in order to bear the axial force when unclamping.

In conjunction with referring to Fig. 2 and Fig. 6, drill press spindle 21 end face circle distribution in the Morse's cone hole have four or several screws 22, the through hole of equal number, same position is set on the ring flange of milling cutter extension bar and collet extension bar, so just can uses socket cap hexagon socket head cap screw or direct clamping milling cutter of hex screw and collet.

That is to say, the milling cutter clamping device is equipped with the clamping spiro connecting piece, and they can be bolt or screw, and the clamping spiro connecting piece is installed in the screw of main shaft end face circumference in Morse's cone hole, and be installed in the through hole of ring flange of milling cutter extension bar and collet extension bar, in order to clamping milling cutter and collet.

In conjunction with referring to Fig. 2, Fig. 3, Fig. 5 and Fig. 6, main shaft microfeed mechanism comprises that the arrangement of clutch that is installed on the arrangement of clutch seat 31 and hand wheel shaft 32 are together with handwheel 33, hand wheel shaft 32 is connected with arrangement of clutch together with handwheel 33, arrangement of clutch is installed in worm screw 34 ends of drilling machine power feed mechanism, and worm screw 34 is placed on the bearing block 35.

Arrangement of clutch mainly is made up of last clutch 36 and following clutch 37, and last clutch 36 is installed in worm screw 34 lower ends, with worm screw rotation, 37 belows that are positioned at clutch 36 of following clutch.

Main shaft microfeed mechanism is milling depth or drilling degree of depth control device.Handwheel 33 is a main shaft microfeed handwheel, can carry out hand feed.On the positive the right of main spindle box 2 digital display meter 38 is housed, the digital display chi be contained in drill press spindle 21 synchronization-moving supports on, the displacement that can directly read main shaft, milling cutter, drill bit etc.

When the needs microfeed, earlier power feed mechanism is in neutral gear, makes it to throw off the power feed power source, upwards promote handwheel again and make arrangement of clutch in conjunction with the back rotation hand wheel, through worm gear, have a gear horizontally take turns transmission and realize microfeed to main shaft, handwheel is to next disengagement microfeed.

As shown in Figure 3, hand wheel shaft 32 is connected versatilely with clutch positioner on being installed in arrangement of clutch seat 31.The clutch positioner is tightened up screw 53 and is constituted by a spring 51 and a location steel ball 52 and, locking ball 52 pressurizeds in spring 51 and versatilely overhead in hand wheel shaft 32 grooves, tighten up 53 on screw spring 51 tightened up.Locking ball 52 and spring 51 in order to the combination of hand wheel shaft 32 with separate, realize the clutch location.

Rotary seal ring and O RunddichtringO are installed on bearing block 35, can be prevented the fluid seepage like this.

In conjunction with referring to Fig. 4, Fig. 5 and Fig. 6, Tischarretierungsvorrichtung is a locking device, and the round pin 42 of suitable length is housed in the appropriate location, the platform back side of workbench 41, on the right side at carriage 43 tops latch segment 44 is installed, and latch segment 44 is fixing by screw 45.Latch segment 44 is the angle square type latch segment, offers the V-shaped groove that can clamp round pin 42 at the end face of latch segment 44.But round pin 42 is locked on latch segment 44 move left and right ground in operation.

When milling, need the locking workbench, forward workbench 41 to appropriate location earlier, the latch segment 44 that moves right makes its V-shaped groove closely contact the fastening latch segment 44 in round pin 42 backs, pulls clamping lever 46 again, and workbench 41 just can be locked reliably.In the time of need unclamping workbench, as long as contrary operation, unclamp clamping lever 46, unclamp screw 45, latch segment 44 is moved to the left, just rotary table 41 easily.

This table latch apparatus structure is simple, reliable, easy to operate, low cost of manufacture.

Claims

1. modified milling structure on the drilling machine, it comprises the collar bush clamp mechanism, the milling cutter clamping device, main shaft microfeed mechanism, and Tischarretierungsvorrichtung is characterized in that, described collar bush clamp mechanism comprises the clamping screw that is placed in the collar bush side, be fixed on the nut on the clamping screw, be installed in the left clamp that is clamped in collar bush one side and the right clamp of clamping screw left end and right-hand member respectively, and the clamping lever that is clamped in clamping screw one end;

2. modified milling structure is characterized in that on the drilling machine according to claim 1, and the block of being convenient to adjust end play and bearing axial force is housed on the main spindle box on the right side of described right clamp.

3. modified milling structure is characterized in that on the drilling machine according to claim 1, and described arrangement of clutch comprises the last clutch that is installed in the worm screw lower end, and the following clutch that is positioned at the clutch below.

4. modified milling structure is characterized in that on the drilling machine according to claim 1, and described hand wheel shaft flexibly connects with the clutch positioner that is installed on the arrangement of clutch seat.

5. modified milling structure is characterized in that on the drilling machine according to claim 4, and described clutch positioner tightens up screw by a spring and a pressurized in the locking ball and of overhead versatilely in the hand wheel shaft groove of spring and constitutes.

6. modified milling structure is characterized in that on the drilling machine according to claim 1, and described latch segment is the angle square type latch segment, offers the V-shaped groove that can clamp round pin at the end face of latch segment.