CN2541090Y

CN2541090Y - Semi-automatic multi-hole drill

Info

Publication number: CN2541090Y
Application number: CN 02216914
Authority: CN
Inventors: 何其荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-15
Filing date: 2002-04-15
Publication date: 2003-03-26
Anticipated expiration: 2012-04-15

Abstract

Provided is an semi-automatic multiple-orifice perforator, comprising a frame work, a motor, a power transmission portion and a drill head (shaft) assembly, a drill head general mounting plate rack and a lift alternative motion mechanism of drill heads. The utility model is characterized in that the power transmission portion which drives a drill spindle of the drill heads to rotate is composed of a hole drilling main motor, a high-intensity nylon flat belt and middle transitional wheels intervally arranged between every two drill spindles, wherein each drill spindles of the drill heads and the middle transitional wheel are moveably installed on the drill heads general mounting plate rack which is installed in a frame work guide rail groove, the lift alternative motion mechanism of the drill heads is composed of an elevating motor installed on the frame work, a decelerator, an elevating belt pulley, an elevating rotation shaft, eccentric wheels sleeved on both left and right ends of the elevating rotation shaft and an elevating connecting rod moveably connected with the eccentric wheels. Compared with the existing technique, the utility model is more simplified in structure and high in automation level of operation, the service life of the belt is long, the belt is out of being abraded, the work stability is high, and the quality of the drill holes is better.

Description

Semi-automatic porous drilling machine

Technical field: the utility model relates to a kind of small-sized rig, and especially a kind of improved semi-automatic porous drilling machine is applicable to brush class articles for use, as boring (punching) processing of the small-bore installing holes of brush body such as hairbrush, shoe brush.

Background technology: existing be used to brush the small-sized porous drilling machine of class articles for use perforation processing, its transmission mechanism is some defectives and deficiency below the existence when structural design and start running work: old type porous drilling machine power transmission is to drive one earlier by electricity (moving) machine to have the wheel shaft of a plurality of belt pulleys and then drive a plurality of drill bits rotation punchings, this many belt pulleys wheel shaft of cause and drill bit auger spindle are to be mutual plumbness to install, many belt pulleys wheel shaft transferring power is to be the belt that reverses an angle of 90 degrees with many to carry out transmission when giving each drill bit, belt self material is again with the manufacturing of canvas braid over braid, stressing conditions constantly changes during transmission, the easily elongated easy-to-draw disconnected work that influences of belt.In addition, the landing of each drill bit is that the rising of drill bit is recovered by the belt that reverses an angle of 90 degrees self tensile force again, has also caused the continuous firing instability by manual operations control in when boring, and that belt very easily rubs is impaired, production efficiency is low.

The purpose of this utility model is a kind of improved semi-automatic porous drilling machine of design, makes to have rational in infrastructurely, and the belt wearing and tearing are little, transmission stablize the life-span grow, automation mechanized operation degree height, the characteristics that service behaviour is good, production efficiency is high.

The utility model is realized with following technical scheme: it still comprises frame (seat), motor as power section, be used to drive the power transfer part that drill bit (auger spindle) rotates, drill bit assembly (comprising the gang drill that a plurality of drill bits and auger spindle are formed) as working portion, drill bit (axle) always is installed by grillage and drill bit lifting reciprocating mechanism is formed, it is characterized in that the power transfer part that described drive drill bit auger spindle rotates only is by a boring main motor, article one, high strength (nylon system) flat belt and the middle transition wheel (the middle axle of passing a bridge) that is arranged at intervals between per two auger spindles constitute, wherein each drill bit auger spindle and middle transition wheel is to be movably arranged on the total installing plate (also claiming total bearing plate) of drill bit (axle), total installing plate activity is installed in the guide-track groove of frame, described drill bit lifting reciprocating mechanism is by rack-mounted lifting motor, decelerator (being ad hoc speed changer), the lifting belt pulley that allows drill bit assembly move up and down, lifting is with rotating shaft and be sleeved on the eccentric wheel at these two ends, rotating shaft left and right sides and constitute with connecting rod with lifting that eccentric wheel flexibly connects.

Operation principle of the present utility model is as follows: with reference to accompanying drawing, start boring main motor 10, driving each brill (head) axle by high-strength nylon system flat belt 21 rotates: promptly on each brill (head) axle small belt pulley is installed, for making the synchronous equidirectional rotation simultaneously of each auger spindle 3, between per two auger spindles, establish middle transition wheel (the middle axle of passing a bridge, see Fig. 3), nylon system flat belt 21 on the main motor 10 reaches with each auger spindle belt wheel and each middle transition wheel tandem socket (touching) successively and drives a plurality of drill bits synchronous equidirectional rotation purpose simultaneously simultaneously, this improved structure has avoided just carrying out with many belt twist an angle of 90 degrees the drawback of transferring power, and it is easy-to-draw disconnected that belt can easily not elongated.When carrying out aforementioned operation, also start drill bit lifting motor 18, by decelerator 20 and lifting belt pulley 13 and lifting rotating shaft 8, rotating shaft 8 two ends movable set

eccentric wheels

7,12 and connecting rod 6, end in rotating shaft 8 is adorned clutch 14 near lifting with belt pulley 13 parts, clutch is handled by a clutch lever that can move up and down 15, when clutch lever 15 moves downwards, clutch 14 drives lifting belt pulley 13 transmissions, lifting is rotated with rotating shaft 8, thereby allowing the eccentric wheel that is sleeved on rotating shaft 8 two ends and connecting rod thereof drive drill bit (axle) always installs grillage 4 and moves up and down, when drill bit moves downward, pierce workpiece, upwards drill bit is then finished boring.When drill bit when rising, have a carriage device (be prior art, accompanying drawing is slightly) that workpiece is pushed away a pitch-row forward, successively reciprocal automatic drilling continuously.Bored the Kong Shi of delegation, the automatic jack-up of clutch lever 15 meetings, clutch 14 is separated with belt pulley 13 with lifting, belt pulley 13 idle running, lifting stops operating with rotating shaft 8, and drill bit assembly can not move up and down, at this moment take off and bore good workpiece and load onto workpiece to be holed, in the meantime, belt pulley 13 runs well, and belt can not wear and tear.After installing workpiece to be holed,, will carry out automatic drilling work once more as long as ride (or manually, accompanying drawing slightly) clutch lever 15 once.Wherein the foot lever structural principle of clutch and press machine is basic identical.Compared with the prior art, the utility model structure is more simplified, the operating automation degree height, and the belt long service life is not is not worn and torn, stable work in work, drilling quality is better.

Following accompanying drawing is a kind of embodiment of the present utility model.

Fig. 1 is a kind of overall structure schematic diagram of the present utility model.

Fig. 2 is side structure schematic diagram of the present utility model (for the right view of Fig. 1)

Fig. 3 is that main motor drives the structural representation that a plurality of auger spindles rotate with a flat belt.

Fig. 4 is contained in the component drawings of lifting with eccentric wheel in the rotating shaft and connecting rod thereof.

Wherein: 1-frame (drilling cramp), 2-drill bit (gang drill), the 3-auger spindle, the 4-drill bit is always installed grillage and (is used to install drill bit, the supporting base of auger spindle and the middle axle of passing a bridge is used), 5-rack rail groove (be used for the movable drill bit of installing grillage usefulness always is installed), the 6-lifting is with connecting rod (making with screw rod), 7-lifting eccentric wheel (left eccentric wheel), 8-lifting rotating shaft, 9-middle transition wheel (the middle axle of passing a bridge), 10-drives the boring main motor of auger spindle, 11-installs the bearing block (available rolling bearing or sliding bearing) that auger spindle is used, 12-lifting eccentric wheel (right eccentric wheel), 13-is used to drive the drill bit lifting with belt pulley (be installed in lifting with rotating shaft), the 14-clutch, 15-clutch lever (also claiming clutch operator), the 16-workpiece, 17-workpiece installing rack, 18-lifting motor, 19-lifting belt, 20-decelerator (be speed changer, be contained on the frame), 21-nylon system flat belt, the radial bearing overcoat of 22-eccentric wheel outside, the hold-down nut (installing connecting rods is used) that 23-and bearing outside are fixing, the moving hold-down nut that puts of 24-, 25-bearing pin (with drill bit grillage always being installed fixedlys connected).

Referring to accompanying drawing as can be known, the utility model also has following architectural feature when specific design is made:

One, is equiped with a clutch 14 and the clutch lever that can move up and down 15 matching used in described lifting with an end of rotating shaft 8 with it, the intact Kong Shi of delegation of bit drills contacts clutch automatically by clutch lever, clutch is separated with belt pulley 13 with lifting, and allow lifting dally (quite stopping) in order to avoid the belt wearing and tearing with belt pulley.

Two, described to be used to drive the belt that many drill bits rotate be to adopt high-strength nylon flat belt 21, and used drill bit 2 is to be installed in drill bit by rolling bearing or sliding bearing always to install on the grillage 4.

Three, the outer rim at each

eccentric wheel

7,12 is equipped with a radial antifriction bearing, is provided with hold-down nut 23 and is used for installing connecting rods 6 on this bearing outside 22, and connecting rod is to be made by the adjustable screw rod that it connects length.

Claims

1, a kind of semi-automatic porous drilling machine, it comprises frame (1), motor as power section, be used to drive the power transfer part that drill bit rotates, drill bit assembly as working portion, drill bit always is installed by grillage (4) and drill bit lifting reciprocating mechanism is formed, it is characterized in that the power transfer part that described drive drill bit auger spindle rotates is by boring main motor (10), article one, flat belt (21) and the middle transition wheel (9) that is arranged at intervals between per two auger spindles constitute, wherein each drill bit auger spindle and middle transition wheel (9) is to be movably arranged on drill bit always to install on the grillage (4), total grillage (4) of installing is movably arranged in the rack rail groove (5), described drill bit lifting reciprocating mechanism is by the lifting motor (18) that is installed on the frame (1), decelerator (20), lifting is with belt pulley (13), and lifting is with rotating shaft (8) and be sleeved on the eccentric wheel (7 at these two ends, rotating shaft left and right sides, 12) and with the lifting that eccentric wheel flexibly connects use connecting rod (6) to constitute.

2, porous drilling machine according to claim 1, it is characterized in that: be equiped with a clutch (14) and the clutch lever that can move up and down matching used (15) with an end of rotating shaft (8) with it in described lifting, can contact clutch (14) when having bored the Kong Shi of delegation automatically by clutch lever (15), clutch is separated with belt pulley (13) with lifting.

3, porous drilling machine according to claim 1, it is characterized in that described to be used to drive the belt that many drill bits rotate be to adopt high-strength nylon flat belt (21), used drill bit (2) is to be installed in drill bit by rolling bearing or sliding bearing always to install on the grillage (4).

4, porous drilling machine according to claim 1, it is characterized in that: the outer rim at each eccentric wheel (7,12) is equipped with a radial antifriction bearing, be provided with hold-down nut (23) on this bearing outside (22), the connecting rod that is installed in the hold-down nut is to be made by the adjustable screw rod that it connects length.