CN1160615A

CN1160615A - Key cutter

Info

Publication number: CN1160615A
Application number: CN 96121774
Authority: CN
Inventors: 埃多·德拉莫
Original assignee: Giuliani SpA
Current assignee: IGMI Co., Ltd.
Priority date: 1995-11-28
Filing date: 1996-11-26
Publication date: 1997-10-01
Anticipated expiration: 2016-11-26
Also published as: IT1279688B1; TW349036B; ITBO950558A0; CN1071611C; ITBO950558A1

Abstract

A key cutter (1) includes: a cutting device (4) extending along a vertical axis (Z) and moving along three axes, one axis is the vertical axis (Z), another axis is a first horizontal axis (Y) vertical to the length direction of the cutter, and the third axis is a second horizontal axis (X) vertical to the first horizontal axis (Y);a clamping device (9) disposed under the cutting device (4) for clamping a key (1), has a forth driving device (10) for making the clamping device rotate around a horizontal axis (X') parallel to the second horizontal axis (X), thereby the key body (3) can be positioned to several positions relative to the cutting device (4) based on forming lines; and a control device (11) for controlling a first (6), a second (7), a third (8), a forth (10) shafts in order to adjust the position of the cutting device (4) relative to the key (1) and the rotating position of the key.

Description

Key cutter

The present invention relates to a kind of key cutter, be used in particular for cutting surface, that is to say, on two surfaces of key body, form than the groove that more constitutes one of key difference element usually as the key body of a key part.

The key body surface of the key of key bit and key body that comprises above-mentioned is processed, on several workbench, carry out at present, at least need two workbench, corresponding cutter is housed on the workbench, key need be reinstalled at every turn, clamp by clamping device, thereby accept processing formation shape separately.

Further the solution imagination is a kind of machine that controlled shaft is arranged, and comprises a clamping device and two relative topping machanisms that clamps key; Key by the clamping device clamping moves along trunnion axis, and two constitute separately that the cutting tool of topping machanism moves along vertical axis, thereby contacts with key body and they are cut into separately shape.

But just as already noted, first kind of device needs several workbench with own cutter, and they are separated from each other, and first surface and another surface of processing key body are to form the key finished product.Being separated from each other means the time that increases each operation, that is to say, when the alteration of form of the key that will process, the operator must adjust workbench, resets the position and the path of topping machanism.

Second kind of device obtained success on the one hand, the processing of key body is integrated on the workbench, but then, machining accuracy bad (key is outstanding from clamping device), two vertical axises of topping machanism and the costliness of controlling cost of trunnion axis, after the control device of topping machanism and clamping device was integrated together, the overall dimension of machine was very big.

Owing to above reason, the applicant has designed a kind of automatic key cutter of compactness, and machining can flexible be programmed, and key processing is finished on a workbench.

According to above-mentioned purpose, technical characterictic of the present invention has carried out clearly describing in claims, by detailed description of the preferred embodiment with reference to the accompanying drawings, can know advantage of the present invention, in the accompanying drawing:

---Fig. 1 is the perspective view of disclosed key cutter;

---Fig. 2 is the side view of being seen by A direction among Fig. 1, and wherein some parts of key cutter are profiles, so that other parts are shown better;

---Fig. 3 is the vertical view of seeing from the top of key cutter shown in Figure 2, and some parts are profiles, so that other parts are shown better;

---Fig. 4 is the perspective view that has cut the decomposition of some parts, shows some details, particularly clamping device and the key of the key cutter shown in each figure of front;

---Fig. 5 is a side view of describing another embodiment of key cutter shown in each figure of front in detail;

With reference to the accompanying drawings, key cutter 1 imagination is overlapped the topping machanism (see figure 4) with one and is finished machining to the key that comprises key bit 2 and key body 3, that is to say, form a plurality of locks (undeclared) that insert with them herein and represent the key groove and the otch of shape separately accordingly.

Fig. 2 shows that key cutter comprises the following basic element of character: topping machanism 4, clamping device 9, and the control device 11 of topping machanism 4 and clamping device 9.

Topping machanism 4 extends along vertical Z axle (seeing Fig. 1 and Fig. 2), is supported by the fixed structure 5 that protective cover 28 is arranged above.Topping machanism 4 moves along three controlled shafts, by corresponding first, second, 6,7,8 drivings of the 3rd drive unit, that is to say, along vertical Z axle above-mentioned (seeing arrow F among Fig. 2) motion, and edge and the perpendicular first trunnion axis Y (seeing arrow F1 among Fig. 3) motion of machine length direction, and edge and the perpendicular second trunnion axis X (seeing arrow F2 among Fig. 2 and Fig. 3) motion of the first trunnion axis Y.

Or rather, topping machanism 4 comprises that is equipped with cutting tool 4a () a vertical cut head 12 for example, a little fluted cutter, and being connected on the rail head 13, under first drive unit 6 drives, can be in the 50 upper edge rail head motions of first guide chute.

Rail head 13 is linked again on the column 15 of a part of above-mentioned supporting construction 5 successively, under second drive unit 7 drives, can move along second guide chute 14; Column 15 also slidably, it can be along the motion of the 3rd guide chute 16 (shown in the dotted line) under the 3rd drive unit 8 drives, guide chute 16 is supported on the lower substrate 17, and the part of clamping device 9 is housed on the lower substrate 17.

Fig. 2 and Fig. 3 also show the first, the second, the

3rd drive unit

6,7,8 respectively has a CD-ROM drive motor, label is 18,18 ＇ and 18 ＂, and they drive

corresponding screw rod

19,19 ＇ and 19 ＂ have corresponding

swivel nut

20,20 ＇ and 20 ＂ to want driven parts to link together with one respectively on the screw rod, that is to say that swivel nut 20 is connected with cutting head 12, swivel nut 20 ＇ are connected with rail head 13, swivel nut 20 ＂ are connected with column 15: like this, the height of cutting tool 4a is fully by three controlled shaft controls.More particularly, each motor 18,18 ＇ of (see figure 3) and 18 ＂ have a speed changer 48 (only having made partly diagram on motor 18 ＇), and speed changer is contained between driving shaft (not adding diagram) and

screw rod

19,19 ＇ and 19 ＂.

The clamping device 9 of key 1 also is installed on the supporting construction 5, be positioned at below the topping machanism 4, trunnion axis of four-drive device 10 controls is labeled as X ＇, clamping device 9 can controlledly be done at least 180 rotation around trunnion axis X ＇, and trunnion axis X ＇ is parallel with the above-mentioned second trunnion axis X.

Like this, clamping device 9 can make key body 3 relative topping machanisms 4 location according to different shaped wires.

In more detail, (see figure 2) clamping device 9 also comprises a rotating cylindrical body 21 in the machine lower substrate 17 of packing into.Helical gear 47 axial bonds are connected an end (in the lower substrate 17) of rotating cylindrical body 21, helical gear 47 is matched by CD-ROM drive motor 23 ＇ (see figure 3) driven lead screw 23 with one, similar to the used mode of above-mentioned drive unit, having formed the front mentions 10, one of four-drive devices and is used for reliable clamping key 1 and accepts the other end that the anchor clamps 24 of machining are connected rotating cylindrical body 21.

As shown in Figure 4, anchor clamps 24 comprise two

horizontal fixture block

25a and 25b, toward each other, form the space of a clamping key 1;

Fixture block

25a and 25b can move between operating position and off-position, and at off-position,

fixture block

25a and 25b are separated from each other, and in the operating position,

clamping plate

25a and 25b are close to each other and clamp key 1.

The motion of

fixture block

25a and 25b is formed by a guider, and guider integral body is labeled as 29, and a part is assemblied on the rotating cylindrical body 21, and a part is assemblied on the head 24t of clamping device 24.

On two fixture block 25a and the 25b groove of running through 26a and 26b are arranged all, they form a machining area, and the key body 3 that is clipped in the key between clamping plate for 4 pairs of cutting tools is processed.

Above-mentioned control device 11 is installed on the supporting construction 5, and imagination is used to control four drive units of adjusting axle, and the folding of anchor clamps 24.

Control device 11 can be made of one portable " personal computer ", is placed in special chamber 30 interior (see figure 1)s on topping machanism 4 next doors on the key cutter; Personal computer can control first with specific software programming, second, the 3rd, four-

drive device

6,7,8 and 10 and guider 29, their sequential movements is cooperated, shape according to design is processed on key 1, and process is carried out in proper order, and it can be deposited in the memory of personal computer.

In addition, an automatics 27 can also be arranged, be used for each key 1 sent in the anchor clamps 24 and (see Fig. 1 and Fig. 2), be contained in the front of anchor clamps: like this, key can constantly be sent into anchor clamps 24 and unload from anchor clamps 24, falls into container 31, must reduce process time like this.Automatic loading mechanism 27 is schematic diagram just, because it is not the basic element of character of the present invention.

As Fig. 2 and shown in Figure 5, cutter can be installed various cutting tool 4a, can be according to wanting processed key type to decide: first kind of situation (Fig. 2) be a fluted cutter 4c, perhaps (Fig. 5) be one can be around the plate-like milling cutter 32 of horizontal rotational shaft, with key be connected one with vertical teeth wheel transmission device 33 that cutting head 12 is connected on.

Cutter with this structure, the starting point that circulates from machining begins to operate as follows.

The operator starts key cutter and determines the control PC of first key, 1 processing sequence; At this moment, automatic loading mechanism 27 is sent into a key between fixture block 25a and the 25b, and under guider 29 controls, fixture block is clamped key and remained on Working position.

The operator from order of computer keyboard input, starts working angles then, and computer has passed through pre-programmed,

accessory drive

6,7 and 8, and along three axle Z, the position of Y and the relative key of X adjustment cutting tool 4a.Key 1 is after the one side of cutting tool processes, and computer control drive unit 10 makes anchor clamps 24 rotation, makes key 1 forward new Working position (for example when key has the key body 3 of planar shaped, Rotate 180) to.Then, adjust cutting tool 4a once more, process on key 1, last,

fixture block

25a and 25b unclamp key 1, can manually take off or allow it fall into container 31 below the automatic loading mechanism 27, so can reprocess next key.

Consider the motion of cutter and anchor clamps, the compact conformation of this cutter and complete makes the present invention finish predetermined purpose.The adjustment along four controlled shafts of software control, guaranteed operation rapidly and the accuracy of machining.

With three axle control cutters,, make the machining area of key be limited in single face, and finish by a cutter with the processed key of the 4th controlled shaft rotation.

The present invention can have multiple modification, and they are included among the design concept of the present invention.And suitable parts substitute on the equal available techniques of all parts.

Claims

1. key cutter (1) that is used for processing by the key of key bit (2) and key body (3) formation, key body is designed to form one or more groove in the above, and this machine is characterised in that it comprises:

A topping machanism (4), extend along vertical axis (Z), support by a fixed structure (5), respectively by first (6), the first (7) and the 3rd (8) drive unit drives, can be along vertical axis (Z) motion, also can be along first trunnion axis (Y) motion vertical with the machine length direction, also can along with perpendicular second trunnion axis (X) motion of first trunnion axis (Y);

A clamping device (9) that is used to clamp key (1), be installed on the supporting construction (5), be positioned at topping machanism (4) below, has four-drive device (10), the drive unit design is used for making clamping device (9) around trunnion axis (X ＇) rotation that parallels with second trunnion axis (X), can make key body (3) topping machanism (4) basis and location, the corresponding many positions of its feature groove relatively;

---be used for first (6), second (7), the the 3rd (8) and the control device (11) of the 4th (10) drive unit, control device can be installed on the supporting construction (5), can make topping machanism (4) be in correct position relative to rotating of key (1) and key (1).

2. by the described key cutter of claim 1, it is characterized in that, topping machanism (4) has a vertical cut head (12), cutting tool (4a) is housed on the cutting head, topping machanism is connected on the rail head (13), and can slide at first guide chute (50) upper edge rail head under first drive unit (6) drives; Rail head (13) is connected on the column (15) as supporting construction (a 5) part, drives down and can go up slip at second guide chute (14) at second drive unit (7); Column (15) can slide along the 3rd guide chute (16) that is supported on the lower substrate (17) under the 3rd drive unit (8) drives, and the part of clamping device also is housed in the described lower substrate.

3. by the described key cutter of claim 2, it is characterized in that, the first (6), second (7) and the 3rd (8) drive unit respectively has a CD-ROM drive motor (18,18 ＇ and 18 ＂), the corresponding screw rod (19 of drive motor, 19 ＇ and 19 ＂), corresponding swivel nut (20,20 ＇ and 20 ＂) is arranged on the screw rod, swivel nut respectively with the cutting head (12) of first drive unit (6), the rail head (13) of second drive unit (7) and the column (15) of the 3rd drive unit (7) link together.

4. by the described key cutter of claim 1, it is characterized in that clamping device (9) has a rotating cylindrical body (21), rotating cylindrical body is contained in the lower substrate (17) of machine, becomes the part of supporting construction (5); A helical wheel (22) axial bond is in the inner of rotating cylindrical body (21), and helical wheel is matched by motor driven lead screw (23) with one, forms four-drive device (10); The other end of rotating cylindrical body (21) is designed for the anchor clamps (24) of clamping key (1) and is connected.

5. by the described key cutter of claim 4, it is characterized in that, anchor clamps (24) comprise two horizontal fixture blocks (25a, 25b), fixture block is set as mutually relatively, key (1) can insert between the fixture block, and (25a's fixture block 25b) moves between operating position and off-position, be separated from each other at the off-position fixture block, in the operating position, fixture block is close to each other, clamps key (1); (25a, (26a 26b), forms a machining area, for topping machanism (4) key (1) is processed a through slot on 25b) for every fixture block.

6. by the described key cutter of claim 1, it is characterized in that having one key (1) sent into the automatic loading mechanism (27) of clamping device (9), automatic loading mechanism is installed in the clamping device front.

7 by the described key cutter of claim 1, it is characterized in that, the fluted cutter (4a) with vertical axis is housed on the topping machanism (4), and milling cutter is contained on the cutting head (12) as topping machanism (a 4) part.

8. by the described key cutter of claim 1, it is characterized in that being equipped with on the topping machanism (4) the plate-like milling cutter (4a) with feathering axis, milling cutter is with on the vertical drive (33) that key is connected with cutting head (12) as the part of topping machanism (4) links to each other.