CN2316072Y

CN2316072Y - Automatic slotter

Info

Publication number: CN2316072Y
Application number: CN 97232293
Authority: CN
Inventors: 陈云厚
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-19
Filing date: 1997-12-19
Publication date: 1999-04-28
Anticipated expiration: 2007-12-19

Abstract

The utility model relates to an automatic slotter, belonging to a mechanical processing device. A transmission device of a milling head of the utility model is composed of a two-stage lever and a mould plate. The milling amount when the utility model is used of milling an arc slot can be reduced gradually by changing the lever ratio, so the abrasion of a cutter is reduced, the phenomenon that a milled needle slot is large on the upper part and small on the lower part is eliminated, and the technical requirement is achieved. A milling head fixing device adopts a ball bearing milling head seat which has double guide posts and moves in straight line, so the gap is adjusted to a minimum valve, and the running vibration is reduced. The milling head of a milling head device adopts a bearing rolling structure, so the rotation speed of a main shaft is increased. A hard alloy cutter is used, so the processing quantity and quality are raised.

Description

Automatic slot milling machine

The utility model relates to a kind of automatic slot milling machine, belongs to machinery processing apparatus.

Existing automatic slot milling machine adopts the dovetail structure, produces vibrations when groove milling, and it is up big and down small that institute's working groove is formed, and do not reach specification requirement; Milling head adopts the copper sheathing slide construction, does not reach high-speed milling, can not adopt hard alloy cutter, thereby restrict the processing quality and quantity; The depth of slot milling is that the lift angle size by the feed cam decides, and when the workpiece size changes, change the feed cam, makes operation increase trouble; The groove of Milling Process is a circular arc, because of cam control lever makes milling head with the milling that at the uniform velocity vertically descends, milling cutter Milling Force in milling process is increased gradually, has increased tool wear.

The purpose of this utility model need not to change when being to provide a kind of groove milling the feed cam can reach just that the groove milling depth requires and when milling arc groove milling amount reduce gradually, thereby can reduce the automatic slot milling machine of tool wear; And can have the automatic slot milling machine that reduces the groove milling vibrations; And also can have the raising speed of mainshaft, and can use the hard alloy cutter milling, improve the automatic slot milling machine of processing quality and quantity.

The purpose of this utility model is achieved through the following technical solutions:

The utility model automatic slot milling machine includes motor, decelerator, cam, oil circuit device, milling head device, milling head fixture, milling head transmission device, the milling head seat adopts two guide pillar ball bushings, ball bushing ZXt adjusting type, can make the gap adjust to optimum degree, vibrations reduce during running; Milling head adopts the bearing element structure, and the speed of mainshaft is improved, and can use the hard alloy cutter milling, to improve the processing quality and quantity; Be provided with the template curve adjustment rack, template curve is adjusted in the angular range of an adaptation, when the groove milling change in depth, need not change the cam curve lift angle, just can finish groove milling, reach the depth requirement of groove milling; Adopt two-stage lever and formwork structure, by lever ratio, just can reach when milling arc groove, milling amount reduces gradually, thereby reduces tool wear, makes milling cutter keep sharp state, removes the up big and down small defective of needle tray of milling, reaches specification requirement.

The utility model milling head transmission device is by sprocket wheel connecting band moving cam axle and cam by motor-operated power transmission shaft, camshaft is supported by camshaft holder, adjust bearing by cam and adjust camshaft holder, cam promotes the other end that an end is movably connected in the vertical lever on the body and slides along template curve, template curve and template curve adjustment rack are fixed together, the template curve adjustment rack is fixedly linked with vertical lever one end, the template curve adjustment rack is also adjusted screw with the groove milling template curve and is fixedly linked, vertically the lever other end be connected with the milling head milling head of the adjusting screw power transmission shaft that moves up and down that moves up and down and be fixedly linked.

The vibrations that produce when reducing groove milling, make the processing flute profile reach specification requirement, milling head fixture of the present utility model is for being fixed with two guide pillars on the slotter body, guide pillar is outer by the sliding bearing socket milling head seat that moves up and down, milling head moves up and down and is fixed with the spindle motor seat on the seat, be fixed with spindle motor on the spindle motor seat, spindle motor connects the milling head main shaft that drives the milling head device.The visual guide pillar length of sliding bearing, if 2-4 adopts ZXt adjusting type ball bushing, milling head moves up and down and also is fixed with the milling head axle bed on the seat, milling head axle bed and spindle motor all with milling head move up and down the seat move up and down, so just can eliminate belt degree of tightness phenomenon.

The utility model is in order to reach high-speed milling, can adopt hard alloy cutter, improve the processing quality and quantity, transform milling head copper sheathing slide construction, adopt milling head bearing element structure, the milling head axle bed that will be used for fixing lens assembly is fastened on milling head and moves up and down on the seat, also be fixedly connected with the adjustment seat of milling head axle bed on the milling head axle bed and adjust screw, the milling head main shaft is fixed on the milling head axle bed, and milling head main shaft two ends are socketed with the milling head bearing, bearing gland and clamp nut.

Automatic slot milling machine milling head transmission device of the present utility model adopts two-stage lever and formwork structure, adjust template curve in suitable angular range by the template curve adjustment rack, when the groove milling change in depth, need not change the cam curve lift angle, just can finish groove milling, reach the depth requirement of groove milling, by the lever ratio of two-stage lever, just can reach when milling arc groove, milling amount reduces gradually, thereby reduces tool wear, makes milling cutter keep sharp state.And the milling head seat of the utility model milling head fixture can adopt two guide pillar ball bushings, and the vibrations that produce in the time of can reducing groove milling make the processing flute profile reach specification requirement; Milling head device of the present utility model adopts the bearing element structure, and the speed of mainshaft is improved, and can use the hard alloy cutter milling, thereby improve the processing quality and quantity.

Description of drawings is as follows:

Fig. 1: prior art automatic slot milling machine cutaway view;

Fig. 2: the attached cutaway view of looking of prior art milling head device and milling head fixture;

Fig. 3: the utility model front view;

Fig. 4: the utility model most preferred embodiment partial front elevation view and milling head fixture cutaway view;

Fig. 5: local attached the looking and milling head device cutaway view of the utility model most preferred embodiment.

Provide most preferred embodiment of the present utility model below in conjunction with accompanying drawing, be used for further specifying the utility model.

With reference to figure 1, Fig. 2, be the prior art automatic slot milling machine, among the figure, 1 ', 2 ', 3 ' be respectively the combination of milling head spindle motor to regulate the horizontal of bearing, vertically, adjust bearing up and down, by the coaxial feed cam 5 of motor drives power transmission shaft 21 ' driving ' and cutter lifting cam 6 ' rotation, cam promotion lever 7 ' move, the power of lever 7 ' generation pass to milling head move up and down the axle 14 ', move up and down axle 14 ' connect to drive an adjust screw 13 ' make milling head seat 11 ' move of milling head, milling head along move up and down dovetail mount 10 ' at the uniform velocity descend groove milling and fast rise cutter lifting of milling head move up and down dovetail mount 10 ' on be connected with milling head adjust 12 up and down ', milling head adjustment seat 9 ', the vertical column dovetail 8 of milling head '.

The milling head device of prior art is among Fig. 2: by milling head spindle motor 4 ' drive milling head main shaft 17 ' rotation, milling head main shaft 17 ' by the bearing of socket and copper sheathing 19 ' fixing, and be with outward spindle flange dish 15 ', bearing gland 16 ', copper sheathing hold-down nut 18 ', oil sealing 20 '.

Most preferred embodiment automatic slot milling machine of the present utility model is with reference to figure 3,4,5, include motor, decelerator, cam 4, cam is adjusted bearing, the milling head device, the milling head fixture, the milling head transmission device, the milling head transmission device is: pass through sprocket wheel 21 by motor-operated

power transmission shaft

27,20 connecting band moving cam axles and cam 4, camshaft is supported by camshaft holder 19, adjust bearing 1 by cam, 2,3 adjust camshaft holder, cam 4 promotes an end and is movably connected in the other end of the vertical lever 5 on the body along template curve 6 slips, template curve 6 is fixed together with template curve adjustment rack 7, template curve adjustment rack 7 is fixedly linked with vertical lever 8 one ends, template curve adjustment rack 7 is also adjusted screw 10 with the groove milling template curve and is linked to each other, vertically lever 8 other ends be connected with the milling head milling head of adjustment screw 17 power transmission shaft 18 that moves up and down that moves up and down and be fixedly linked.

The milling head fixture is for being fixed with guide pillar 13 on the slotter body, guide pillar 13 is outer to be socketed with the milling head seat 12 that moves up and down by sliding bearing 14, the milling head seat that moves up and down is fixed with spindle motor seat 10 on 12, be fixed with spindle drive motor 11 on the spindle motor seat 10, spindle drive motor connects the milling head main shaft 24 that drives the milling head device.

The milling head device is: the milling head axle bed 16 that will be used for fixing the milling head device is fastened on milling head and moves up and down on the seat 12, also be fixedly connected with the adjustment seat 15 of milling head axle bed on the milling head axle bed 16 and adjust screw, milling head main shaft 24 is fixed on the milling head axle bed, and milling head main shaft two ends are socketed with milling head bearing 22, bearing gland 25,23 and clamp nut 26.

The utility model automatic slot milling machine need not change the cam curve lift angle, just can finish groove milling, reach the requirement of the groove milling depth, and can reduce tool wear, reduces vibrations, uses hard alloy cutter, improves the processing quality and quantity.

Claims

1, automatic slot milling machine, include motor, decelerator, cam, oil circuit device, the milling head device, the milling head fixture, the milling head transmission device, it is characterized in that described milling head transmission device is: pass through sprocket wheel (21) by motor-operated power transmission shaft (27), (20) connecting band moving cam axle and cam (4), camshaft is supported by camshaft holder (19), adjust bearing (1) by cam, (2), (3) adjust camshaft holder, the other end that cam (4) promotion one end is movably connected in the vertical lever (5) on the body slides along template curve (6), template curve (6) is fixed together with template curve adjustment rack (7), template curve adjustment rack (7) is fixedly linked with vertical lever (8) one ends, template curve adjustment rack (7) is also adjusted screw with the groove milling template curve and is fixedly linked, vertically lever (8) other end be connected with the camera lens milling head of adjusting screw (17) power transmission shaft (18) that moves up and down that moves up and down and be fixedly linked.

2, according to the described automatic slot milling machine of claim 1, it is characterized in that described milling head fixture is for being fixed with guide pillar (13) on the slotter body, guide pillar (13) is outer to be socketed with a milling head move up and down (12) by sliding bearing (14), the milling head seat that moves up and down is fixed with spindle motor seat (10) on (12), be fixed with spindle drive motor (11) on the spindle motor seat (10), spindle drive motor connects the milling head main shaft (24) that drives the milling head device.

3, according to claim 1 or 2 described automatic slot milling machines, it is characterized in that described milling head device is: the milling head axle bed (16) that will be used for fixing the milling head device is fastened on milling head and moves up and down on the seat (12), also be fixedly connected with the adjustment seat (15) of milling head axle bed on the camera lens axle bed (16) and adjust screw, camera lens main shaft (24) is fixed on the milling head axle bed, and milling head main shaft two ends are socketed with milling head bearing (23), bearing gland (23), (25) and clamp nut (26).