US1640767A - Tool-operating mechanism - Google Patents

Description

Aug. 30,1927. 1,640,767 G. E. GREENLEAF ET AL TOOL OPERATI NG MECHANI SM Fil d June 1923 3 Sheets-Sheet 1 Fig.1.

ATTQRNEY Aug. 30, 1927.

G. E. GREENLEAF ET AL I TOOL OPERATING MECHANISM *7, 1923 3 Sheets-Sheet 2 Filed June fi g z M I1! 5 1 A ET'I'ORNIZY Aug. 30,1927. 1,640,767

G. E. GREENLEAF ET AL TOOL OPERATING MECHANI SM Filed u 7, 1923 s Sheets-Sheet 5 IN VEN TORS $1"6/zem6eaf,

1 7360M BY JP. MfauM/i ATTORNEY Patented Aug. 30, 1927.

@EFFICE.

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GEORGE E. GBEENLEAF, OF PLAINFIELD, HAROLD L- BLOOD, OF NORTH PLAINFIELD,

AND ROSWELL I-I. RAUSCH, F PLAINFIELD. NEW ASSIGNORS T0 NILES- BEMENT-PONID COMPANY, OF NElV YORK, N. Y., A CORPORATION OF NEW JERSEY.

TOOL-OPERATING MECHANISM.

Application filed June 7, 1923.

This invention relates to planers and like machines and particuhirly to mechanism for operating the tools and tool supports thereof. Such machines ordinarily comprise a.

work table and one or apair of uprights adjacent the table. A cross rail is mounted on the uprights and tool heads may be sup ported on the cross rail and on the uprights beneath the rail. The first said heads are ordinarily termed the rail heads and the second said heads are ordinarily termed the side heads. Specifically. our present in vention relates to mechanism for elevating and clamping the rail on the said upright or uprights and for feeding and traversing the tool heads. The primary object of the invention is to provide an improved mechanism for performing: these functions.

It is an object of the invention to providea planer with means for intermittently feeding the tools in synchronism with the recip rotation of the work table. and a motor for traversing the tools continuously. for movng the cross rail on the uprights and for clamping; the rail to the uprights. the motor preferably being: mounted on the cross rail.

It will be understood that while the said traversing. elevating" and clamping functions may be most conveniently performed from the motor, it may in some instances be desirable to perform only certain of such functions therefrom. Accordingly. another object of our invent on is to combine the use of a motor with a planer or like machine and its tool feeding mechanism. in the manner above stated for performing: only certain of said functions may be desired.

With the above and other objects in view, our invention consists in the features of construct-ion and operation set forth in the fol lowing specification and illustrated in the accompanying drawings. In such drawings annexed hereto and forming a part of this specification. we have shown one form of our invention embodied in a planer but it will be understood that the invention can be otherwise embodied and that the drawings are notto be construed as defining or limiting the scope of the invention. the claims appended to this specification being relied upon for that purpose.

Serial No. 643,945.

Referring to the figures of the drawings:

Figure 1 is a side elevation of a planer embodying our invention.

2 a front elevation thereof.

Fig. 3 is an enlarged fragmentary plan view partially in section of one end of the cross rail.

Fig. 1- is an end elevation thereof.

Fig. 5 is a detail front view of certain clutch mechanism shown in Fig. 4.

Fig. 6 is a fragmentary plan view of the cross rail shown in Fig. 2.

Fig. 7 is a rear elevation thereof.

Fig. 8 is a cross sectional view thereof taken on line 88 of Fig. 7. a

Fig. 9 is a cross sectional view taken on line 99 of Fig. 7.

Referring more specifically to the drawings by reference characters, 1 indicates the bed of a planer having; a work table 2 slidably mounted thereon and a pair of uprights respectively at opposite sides of the table. A cross rail 4 is mounted to slide vertically on the uprights and is adapted to slidably support a pair of tool head saddles 5 and G thereon. A side head saddle 7 is supported on one upright beneath the cross rail. The table 2 is adapted to be reciprocated from a motor 8 and such reciprocation is aut0- matically controlled by a pilot switch 9 operated by table does 10 and 11. This mechanism and its operation are fully described in Patent No. 1,299,199. The movements of the table may be controlled manually by means of a pendent switch 12 which is described in detail in Reissue Patent No. 14.540 dated October 22, 1918.

Two threaded shafts or screws 18 are provided on'the cross rail for respectively moving the tool saddles 5 and 6 therealong and a splined shaft 13 is provided for moving the tools vertically in the usual manner. A pinion 14.- is loosely mounted on the forward end of each screw shaft and a ratchet pinion 15 is slidably splined thereon adjacent each pinion l l. The pinions lt and 15 are provided with cooperating clutch teeth on their adjacent faces whereby the inner spliued portion of the pinion 15 may be engaged with the pinion l-t. Operating handles 15 are provided for shifting the l he front ends of shafts 42 and 56 are supported in a bracket 62 bolted to the end of the cross rail. A forwardly extending arm 63 is provided thereon for pivotally supporting a clutch operating lever (3 1-. This lever is connected to the clutches H and (31 respectively at opposite sides of the pivotal point of the lever. Such arrangement provides means for shifting the clutches and positively assures that when either clutch is in the engaged position, the other clutch will be in the disengaged position, thus prcventing the simultaneous engagement of these clutches and possible damage to the machine. r

The operation of the machine is asfollows: To start the reciprocation of the work table, the operator grasps one of the arms 9 and rotates the pilot switch 9. T he motor 8 thereupon moves the table in one direction until one of the table dogs engages its arm 9 and rotates the pilot switch in the opposite direct-ion. Such operation reverses the motor which then drives the table in the opposite direction. The tool feeding rack bar 19 is reciprocated at each reciprocation of the table in the usual manner.

To perform feeding operations, the ratchet pinions 15 on the shafts it is desired to op crate are meshed with the gear 17 and the screw at 20 is adjusted to give the rack feedingstroke desired. It the side head T is to be fed, the clutch 30 is engaged with the ratchet pinion 25. lVith the parts in these positions, it is obvious that the tools will be automatically fed the desired amount during each successive non-cutting interval in the operation of the machine, such operation being performed directly from the table reciprocating mechanism.

When it is desired to traverse the tools or tool saddles continuously by power, the pinions let and spiral gear 37 of the shafts it is desired to operate are clutched to their shafts respectively by means of the engagement of ratchet pinions 15 and clutch 30 therewith. After making such adjustments, the motor may be operated in either direct-ion to traverse the tools and tool supports as desired. It will be understood that during this operation, the elevating and ciamping clutches 44: and 61 are in the inoperative posit-ion illustrated in Fig. 5.

WVhen it is desired to move the cross rail on the uprights, the ratchet gears 15 and clutch 30 are placed in the neutral posit-ion and the clutch 44 is engaged with its gear 43. The elevating nuts 39 may now becontinuously rotated from the motor 31 in either direction to elevate or lower the cross rail on the uprights.

After adjusting the cross rail to the desired position, the same may be clamped to the uprights by means of the motor 31 as follows: The lever (Set is moved to disengage the clutch 44 and. engage the clutch 61. The motor 31 and gear 52 may now be rotated in a direction to draw the wedges inwardly and force the clamping elements 47 into clamping engagement with the uprights. As

the spring 54 resists the outward movementof the other wedge beyond its unclamping position. These stop means assure the release of both clamping wedges in the unclamping operation.

What we claim is:

1. in a planer or the like, the combinatimi of a base, a reciprocating work table mounted thereon, two uprights respectively at opposite sides of the table, a cross rail mounted to slide vertically on the uprights over the table, a tool support movably mounted on the rail. means for intermittently feeding the tool support synchronously with the ta ble reciprocation, a motor, and mechanism operated by the motor for traversing the tool support continuously, for moving the rail on the uprights and for clamping the rail t the uprights.

2. In a planer or the like, the combination of a base, a reciprocating work table mounted thereon, two uprights respectively at opposite sides of the table. a cross rail mounted to slide vertically on the uprights over the table, a tool support movably mounted on the rail. a tool support on one upright beneath the rail, means for intermittently feeding the tool supports synchronously with the table reciprocation. a. motor, and mechanism operated by the motor for traversing the tool supports continuously, for moving the rail on the uprights and for clamping the rail to the uprights.

3. In a planer or the like, the combination of a base, a work table mounted thereon, two uprights respectively at opposite sides of the table, a. cross rail mounted to slide vertically on the uprights over'the table, a tool support movably mounted on the rail, a motor on the rail, and mechanism operated by the motor for traversing the tool support continuously and for clamping the rail to the uprights.

4. In a planer or the like, the combination of a base, a reciprocating work table mounted thereon, means for reciprocating the table, two uprights respectively at opposite sides of the table, a cross rail mounted to slide vertically on the uprights over the table, pivoted clamping means on the rail for securing the rail to the uprights, a tool support movably mounted on the rail, means operated from the table reciprocating means for intermittently feeding the tool support synchronously With-the table reciprocation, a motor on the rail, and mechanism operated by the motor for traversimg the tool support continuously, for moving the rail on the up rights and for operating the clamping means.

5. In a planer or the like, the combination of a base, r eciprocati work table mounted. thereon, means .tor "eciprocati'ng the table, two uprights respectively at oppositesides of the table, a cross rail mounted to slide vertically on the uprights over the table, a tool support movahly mounted on the rail, a screw operatively connected to the support, two coaxial gears on the rail rearwardly of the screw, means ada 'ited to operatively connect either ear with the screw, mechanism for intermittently rotating one gear from the table reciprocating means, a motor on the rail operatively connected with the other gear, the said one being adapted to intermittently feed the tool supportsynchronously with the table reciprocation and the said other gear being adapted to traverse the tool support continuously, and mechanism operated from the motor operated gear for moving the rail on the uprights.

6. In a planer or the like, the combination of a base, a reciprocating work table mounted thereon, means for reciprocating the table, two upri ts respectively at opposite sides of the table, a cross rail mounted to slide ver tically onthe uprights over the table, a tool support movably mounted on the rail, a screw operatively connected to the support, two coaxial gears on the rail raarwardly oil the screw, means adapted to op'eratively conmeet either gear with the screw, mechanism for intermittently rotating one gear from the table reciprocating means, a motor on the rail operatively connected withthe other gear, the said one get being adapted to intermittently feed the tool support synchronously ''ith the table reciprocation and the said other gear being adapted to traverse the tool support continuously, and: mechanism operated from the motor operated gear for moving the rail on the up rights and for clamping the rail to the uprights.

'Z. In a planer or the like, the combination of a base, a reciprocating work table mounted thereon, means for reciprocating the table, an upright on the base at one side of the table, a cross rail mounted to slide vertically on the upright and extending horizontally over the table, a tool support movably mounted on the rail, means Ztor intern'ii-ttently feeding the tool support syn-- chronously with the table reciprocation, a motor, and mechanism operated by the motor for traversing the tool support continuously, for moving the rail on the upright and for clamping the rail to the upright.

8. M1 a planer r the like, the combination of a base, a reciprocating work table n rounted thereon, means for recipro'azrin-g the table, an upright on the base at one side of the table, a cross rail mounted to slide vertically on the upright and extending horizontally over the table, a tool support nic-vabli mounted on the rail, a motor on the rail, and mechanism operated by the motor tor traversing the tool support contii-ruously and for clamping the rail to the upright.

9. In a machine of the class desc ibed, the

combination of a base, a work table thereon, two uprights respectively at opposite sides of the table, a cross rail mounted to slide vertically on. the uprights over the table, screw threaded means adjacent the uprights for moving the rail thereon, clamping means for securing the rail to the uprights, a shaft extending along the rail and operatively connected to the screw threaded means, a shaft extending along therail and opei t-ively connected to the clamping means, a motor on the, rail, and clutch means for engaging either shaft with the motor whereby to move the rail on the uprights and toclamp the rail thereto.

In testimony whereof, we hereto aiiix our signatures.

GEORGE E. GREENLEAF. HAROLD L. BLOOD. ROSE FELL H. RAUSQH.

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