US1774061A - Control mechanism for open-side planers - Google Patents

Description

rmnnnnnrmm mnnnnnnnn! '1".

Aug. 26, 1930. J JENNE 1,774,061

CONTROL MECHANISM FOR OPEN SIDE PLANERS Fiied June 11. 1928 4 Sheets-Sheet 1 @110. $5 1, 13 11 QWMM M/1L6/ may lem we 1 Aug. 26, 1930. J. JENNE v 1,774,061

CONTROL MECHANISM FOR OPEN SIDE PLANERS Filed June 11'. 1928 4 Sheets-Sheet 2 Aug. 2%, 393%.. J, JENNE 1,774,51

CONTROL MECHANISM FOR OPEN SIDE PLANERS Filed June 11. 1928 4 Sheets-Sheet 3 Valli/[11 11 111] [III/III Aug. 25, 193%. J. JENNE CONTROL MECHANISM FOROPEN SIDE PLANERS 4 Sheets-Sheet Filed June 11, 1928 IIIIIIII IIIIIII Patented Aug. 26, 1930 JACOB JENNE,

PATENT OFFICE OF CLEVELAND, OHIO, ASSIGNOR TO THE CLEVELAND PLANEB COM- PANY, OF CLEVELAND, OHIO, A CORPORATION OF OHIO I CONTROL MECHANISM FOR OPEN-SIDE PLANERS Application filed June 11,

This invention relates generally to open side planers and are particularly to the combination of a rapid power traverse with the feeding mechanism on all of the heads of the machine which is so arranged and constructed that it will be impossible to engage the dial feeds and the power rapid traverseat the same time; and in which all of the heads can be operated by the, rapid power traverse simultaneously, if desired.

The main object of the invention is to pro- I vide an open side planer of the character described which is comparatively simple and yet very eflicient in operation and which will occupy a minimum space and at the same time turn out very accurate work.

Another object of the invention is to provide an open side planer which will reduce the operating cost and increase the speed and accuracy of the out, and in which unnecessary motions of the operator are eliminated by placing all ofthe several controls and operating levers in such a position as to be within easy reach from the operators seat at one Side of the machine.

Another object of the invention is to provide a drive for the rapid power traverse which is adjustable with respect to the'load in such a manner as to render the machine comparatively safe and-which will prolong the life of the planer.

Another object of the invention is to provide an adjustable dial feed mechanism for moving the tool slides in any direction varying the feed from zero to one and one-quarter inches per stroke of the table and in which the starting point of the feed can be varied at either end of the table.

A still further object of the invention is to provide mechanism for operating the dial feed and rapid power traverse which is so arranged as to be controlled from the same side of the machine and in which it will be impossible to throw in the power traverse 1928. Serial No. 284,436.

2 is a fragmentary detail view in front elevation of the mechanism for moving the rail heads; Figs. 3 and 4- are vertical sectional views on the lines 3-3 and 4-4 respectively of Fig. 2;. Fig. 5 is a detail view partly in front elevation and partly-in vertical section of the drive for the rail and side heads and illustrating the improved form of clutch; Fig. 6 is a detail fragmentary view with parts broken away to illustrate the clutch members for the rapid power traverse and dial feed; Fig. 7 is a vertical sectional view disclosing the mechanism for operating the dial feed; Fig. 8 is a horizontal sectional view on the line 88 of Fig 7; Fig. 9 is a vertical sectional view on the line 9-9 of Fig. .7; Fig.- 10 is a fragmentary detail view' showing the driving connection between the rail head and v drivingshaft.

Referring now to the drawings, the reference character, 1 designates the base or bed of the planer on which is mounted a table 2 which is adapted for reciprocatory movementthereon in a horizontal plane. Rising from the bed 1 is a column 3 on the front face of which is mounted the knee 4 which is adjustable thereon in a vertical plane. The knee 4 is raised and lowered 'o a shaft driven in any suitable manner well skilled in the art. Secured to the knee 4 is a rail 6 on which are mounted rail heads 7 and 8,. carrying tool slides 9 and 10 respectively.'

The rail 6 is substantially rectangular in shape and extending longitudinally thereof are shafts 11, 12 and 13 disposed one above the other. Also extending longitudinally of the rail and to the rear of shafts ll, 12 and 13 are shafts 14 and 15, the purpose of which will hereinafter appear. Also carried by the column 3 is the side head 16 rovided with the usual tool slide 17. The side head is raised and lowered by means of a screw 18 in a manner to be described hereinafter. The table is reeiprocated by suita le mechanism own to those v hence will not be described in detail.

Mounted on the end of the rail 6 is a casing 19 in which is housed the control mechanism for the rail heads 7 and Sand the side head 16. Carried by a bracket on the top of the planer is the power shaft 20 having suitable bearings and provided atone end with a cone faced driving disk 21 as shown most clearly in Fig. 5. Extending over and substantially enclosing the end of the driving-disk 21 is a housing 22 in which is journaled a shaft 23 onthe upper end of which is non-rotatably mounted a double faced disk 24, the opposite ends of which are frusto-conical in shape as shown most clearly in Fig. 5. Rotatably mounted on the upper end of the shaft 23 and slidable thereon is a clutch 25. This clutch serves to move the, disk 24 either up or down to change the direction of rotation of the shaft 23. J ournaled in the housin 22 is a horizontally disposed "shaft 26 on w ich is non-rotatably secured a' rigidly secured'to the outer end thereo is a gear segment 28. Disposed adjacent the gear segment 28 is a downwardly extending shaft 29 to the upper end of which is secured a gear 30 which meshes with gear segment 28.

'- Secured adjacent the lower end of shaft 29 is a lever 31 by means of which the shaft may be turned. From an inspection of Figs. 2.

and 5, it will be seen that the shaft 29 may 'beturned by the lever 31 to move the double faced disk 24 either up or down for the purpose of changin the direction of rotation of the shaft 23. Ihe driving surfaces 32 and 33 of the disk 24 are frusto-conical and have a covering of strawboard. The cone face of the disk 21 preferably has a covering of paper. Itwill thus be seen that I have provided a self contained reversible friction drive which will adapt itself to the load carried thus eliminating danger of breakage due to the driven parts becomingoverloaded.

The driving mechanism for the ra id power traverse, that is, the mechanism for rapidly moving the rail heads and side head as distin uished from the dial feed will now be descrihed. From an inspection of Figs. 2- and 5, it will be seen that the shafts 11, 12, 13, 14 and 15 roject beyond the rail 6 and through the housing 19. As is clearly shown in Figs. 10 and 11 the driving connections between the threaded shafts 11 and 13 and the rail heads 7 and 8 are conventional, consisting merely of projections 7 a and 8 on the rail heads 7 and 8 respectively and being threaded to receive the shafts 11 and 13, respectively. The shaft 23 "projects through the housing 19 and has a suitable bearing at its lower end. Keyed on the shaft 23 and within the housing 19 is a worm 34 which meshes with and drives shafts by a worm geart;:35. By reference to Fig. 7, it will be seen that the shaft,15 has a. sleeve 36 loosely mounted thereon. Keyed on the sleeve '36 is a bushing 37 on which a gear 35 is rotatably mounted. Also rotatably mounted on the bushing 37 andrigidly connected with the gear 35 is a spur gear 38 which meshes with a double faced gear 39 rotatably mounted on shaft 14. Keyed on shaft 14 immediately adjacent gear 39 is a double faced clutch member 40 adapted to be moved to clutch the gear 39 to shaft 14. A lever 41 serves as a means for moving the clutch member 40. Rotatably mounted on shafts 11, 12 and 13 are double faced gears 42, 43 and 44 respectively which mesh with each'other as shown in Figs 3 and 6. These gears lie in the sameplane as gear 38 and gear 38 meshes with and drives gear 43. Rotatably mounted on shafts 11, 12 and 13 are double faced intermeshing gears 42*, 43 and 44 respectively. Slidably mounted on shafts 11, 12 and 13 are clutch members 45, 46 and 47 respectively, which are keyed to the keys 45 46 and 47. Control levers 48, 49 and 50 serve as a means for moving the clutch members to the right or left as seen in Fig. 6. It will thus be seen that when the control levers 41, 48, 49 and 50 are moved to the left as seen in Fig. 2, a driving connection will be provided between the power shaft 20 and the shafts 11, 12, 13 and 14 and that the direction of rotation of these shafts may be reversed by shiftin the lever .31 which changes the direction 0 rotation of the shaft 23. The shaft 11 moves the far rail head 7 to the right or left in a horizontal plane.

The shaft 13 moves the near rail head to the I right or left in a horizontal plane. The shaft 14 is provided at its opposite end with a bevel" gear 51 which meshes with a bevel gear 52 kc ed on the threaded shaft 18. It will there ore be seen that rotation of shaft 14 serves to raise and lower the side head 16. The shaft 12 is provided with the usual bevel gears shown in Fig. 1 which mesh with similar bevel gears in the rail heads 7 and 8 and serves to raise and lower thesame.

The mechanism for operatin the dial feed will now be described. Keye on the right hand end of sleeve 36 (Fig. 7) is a gear 60 which meshes with a car 43 and a gear 61 rotatably mounted ad acent the end of shaft 14 and having a clutch face 62 adapted to engage with clutch 40. Secured over the outer end of feed adjusting shaft 15 is an operating member 63 adjacent which-is a suitable dial 64. Rotatably mounted on the sleeve 36 adjacent the left hand end thereof is a. gear 65 the inner end of which is rovided with a cam surface 66. Keyed on t e left hand end of sleeve 36 is a clutch member 67 which is member 69 in which is slidably mounted a pin 70 carrying a depending cam roller 71 which is disposed in front of the flange 72 on clutch member 67. The cam roller 71 bears against the rear face of the gear 65 and when the cam surface 66' is moved opposite the cam roller the clutch member 67 will be moved to the left as seen in'Fig. 7 to disengage the clutch thereby disconnecting the drive between the gear (55 and the sleeve 36. By turning the shaft 15 by means of operating member 63 the position of the cam roller 71 with respect to the cam surface 66 may be varied.

Extending through the rail 6 and meshing with the gear 65 is a reciprocatory rack bar 73 to the lower end of which is'con'nected a crank arm 74. Projecting outwardly from the table bed is a shaft 75 which is enclosed within a suitable housing and is driven in opposite directions by the table 2. Keyed on the shaft 7 5 is a friction disk 76 which is enclosed by a friction cup 77. Arranged within the friction cup 77 and pivotally secured thereto are a pair of friction clutch bands 78 and 79 which are pivotally secured at their upper ends as at 80. The lower ends of the bands 78 and 79 project through the cup 77 and are connected by pins 81. Coil springs 82 secured over pins 81 urge the friction hands into gripping engagement with the disk 76, thereby forming a driving connection between the shaft 75 and friction cup 77. Pivotally secured between the lower ends of the friction bands 78 and 79 is a clutch releasing har which is adapted to strike against stops 84. and 85 provided on the end of the planer bed and thereby releasing the driving connection between the shaft 75 and the friction cup 77. The portion 76 of the friction cup 77 is provided with a pair of op positely disposed openings 86 and 87 and loosely mounted on the outer end of shaft 75 is a disk 88 having an opening89 therein. The crank'arm 74 at its lower end is provided with a spring pressed plunger 90 which extends through the opening 89 and which may be inserted into either the opening 86 or 87 to form a driving connection between the portion 76 of the friction cup 77 and the rack bar 73. It will thus be seen that a driving connection between the rack bar 73 and shaft 75 is provided for a 180 degree movement of the shaft 75, and that as soon as the clutch release bar 83 strikes either the stop 84 or stop 85 this driving connection will be broken. It will now be clear that the movement of the rack bar 73 and gear 65 will always he the same regardless of the length of the stroke of the table 2 which drives the shaft 75. It will also be clear that by turning the feed adjusting shaft 15 by means of the operating member 63 the relative position of the cam surface 66 and cam roller 71 may be aljusted to control the feed of both the rail heads and the side head. By setting the plunger 90 in either the opening 86 or 87, the feed may be adjusted at either end of the stroke. When any one of the clutch members 4-0, 45, 46 or 7 is moved to the right, as

viewed in Fig. 6, a driving connection will be provided for the feed for one of the heads, the power being transmitted from the rack bar 73 through sleeve 36, gear 60, and gears 61 gears 43. 42 and 44 and clutch members 40, 45, 46 or 47 to one of the shafts 11, 12, 13 or 14, the feed being regulated by setting the feed shaft 15 as hereinbefore described. By moving the clutch members to the left from the neutral position (Fig. 6) any one or all of the heads may be connected with the rapid power traverse. Various changes may be made in the details of the mechanism herein before described and it is to be understood that the invention is to be limited only in accordance with the scope of the appended claims.

Having thus described my invention, what I claim is:

1.- In a planer, tool control means including a plurality of threaded tool control shafts, a secondary dial feed gear and a power traverse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and capable of being connected to either but not both thereof, a dial feed sleeve to which all of said shafts are parallel, a main dial feed gear keyed on said sleeve and driving said dial feed gear, a main power traverse gear journaled concentric to said sleeve and driving all said power traverse gears, a driving gear rotatably mounted on said sleeve, means for driving said driving gear andsaid main power traverse gear, and means for periodically and automatically connecting said sleeve with said driving gear.

2. In a planer, tool control means including a plurality of threaded tool control shafts, a secondary dial feed gear and a power traverse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and capable of being connected to either but not both thereof, a dial feed sleeve to-which all of said shafts are parallel, a main dial feed gear keyed on said sleeve and driving said dial feed gears,-a main power traverse gear journaled concentric to said sleeve and driving all said power traverse gears, a driving gear rotatably mounted on said sleeve, means for driving said driving gear and said main power traverse gear, and means for pcriodically and automatica ly connecting said sleeve with said driving gear, said last means including a clutch element splined on said sleeve adjacent said driving gear, and a rod extending through said sleeve and carrying a secondary dial feed gear and a power tra'verse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and, capable of being connected to either but not both thereof, a dial feed sleeve to which all of said shafts are parallel,

a main dial feed. gear keyed on said sleeve and driving said dial feed gears, a main power traverse ear journaled concentric to said sleeve and driving all said power traverse gears, a driving gear rotatably mounted on said sleeve, means for driving said driving gear and said main power traverse gear, means for periodically and automatically connecting said sleeve with said driving gear, the driving means for said driving gear including a rack, and means including a friction clutch for driving the same from the planer bed.

4. In a planer, tool control means including a plurality of threaded tool control shafts, a dial feed gear and a power traverse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and capable of being connected to either but not both thereof, a dial feed sleeve to which all of said shafts are parallel, a main dial feed gear keyed on said sleeve and meshing with said dial feed gears for driving the same, a main power traverse gear journaled concentric to said sleeve and driving all said power traverse gears, a driving gear rotatably mounted on said sleeve, means for driving said driving gear and said main power traverse gear, means for periodically and automatically connecting said sleeve with said driving gear, said means for driving said driving gear including a rack bar meshing therewith, a shaft driven from the planer bed and a friction clutch carried by said last shaft, one element thereof being fixed thereto, means for connecting the other element with said rack bar, and means whereby said clutch elements move together through a portion of a turn of said last shaft only, at

the beginning of its rotation in each direction.

I 5. In a planer, tool control means including a plurality of threaded tool control shafts, a dial feed gear anda power traverse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and capable of being connected to either but not both thereof, a dial feed sleeve to which all of said shafts are parallel, a main dial feed ear keyed on said sleeve and driv ing said 'al feed gears, a main power traverse gear journaled concentric to said sleeve and. driving all said ower traverse gears, a driving gear rotata ly mounted on. said sleeve, means for driving said driving gear and said main power traverse gear, means for periodically and automatically connecting said sleeve with said driving gear, said means for driving said driving gear including a rackbar meshing therewith, a shaft driven from the planer bed and a friction clutch carried by said last shaft, one element thereof being fixed thereto, and means for connecting the other element with said rack bar.

6. In a planer, tool control means including a plurality of threaded tool control shafts, a dial feed gear and a power traverse gear mounted loosely on each of said shafts, a clutch splined to each shaft between said gears and capable of being connected to either but not both thereof, a dial feed sleeve to which all of said shafts are parallel, a main dial feed gear keyed on said sleeve and driving said dial feed gears, a main power traverse gear journaled concentric to said sleeve and driving all said power traverse gears, a driving gear rotatably mounted on said sleeve, means for driving said driving gear and said main power traverse gear, means for periodically and automatically connecting said sleeve with said driving gear, said last means including a clutch element splined on said sleeve adjacent said driving gear, a clutch face on the end of said dial feed driving gear adjacent said clutch element, a rod extending through said sleeve, a cam on said driving gear, a shoulder on said clutch element, and means carried by said rod and working between said shoulder and cam for disconnecting said clutch after a predetermined rotation of said sleeve.

In testimony whereof, I hereunto aifix my signature.

J. J ENNE.

Images