US1273516A - Woodworking-machine. - Google Patents

Description

J. S. MARDON & L. D. FAY.

WOODWORKING MACHINE.

APPLICATION FILED SEPT. 13. I915.

Patehted July 23, 1918.

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J. S. MARDON & L. D. FAY.

WOODWORKING MACHINE.

APPLICATION FILED SEPT. 13. 1915.

Patented July 23, 1918.

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WOODWORKING MACHlNE.

APPLICATION FILED SEPT. x3. ISIS.

1 ,273,516. Patented Jul 23,1918.

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wooowomums MACHINE.

APPLICATION FILED SEPT. l3. I915- 1,273,516. Patented July 23,1918.

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APPLICATION HLED SEPT. 13. I915.

1,273,516. Patented July 23,1918.

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Specification of was Patent.

Patented July 23, 1918.

To all whom it. may concern:

Be it known that we, JOHN S. MARDON and LOUIS D. FAY, citizens'of the United States, residing at Loyalton, in the county of Sierra and State of Californiafhave invented new and useful Improvements in Woodworking-Machines, of which the following is a specification.

This invention relates to wood-working machines, and has for its object to provide,

(in a device of this character, means to auto- 7 been placed in it, automatically .moves away and another carrier takes theplace of 'the first one. resaw is in a vertical or edge position and the carriers in moving along turn at right angles, placing the stock in a horizontal positron and depositing it on a set of traveling chains, which chains are adapted to deliver the stock to a table, or other place, for bundlin or other operation.

One orm which our invention may as.- sume is exemplified in the following description and illustrated in the accompanying drawings, in which Figure 1 shows a side elevation of a machine embodying our invention. Fig. 2 shows a plan view of the same.

Fig. 3 shows an end elevation.

Fig. 3 shows a detail view of a convenient manner of'hinging the buckets to the conv'eyter chains.

Fig. 4 shows a sectional view, taken on. line 44 of-Fig. 2, and illustrates the counting and stacking mechanism.

Fig. 5 shows a detail of the adjustable connection employed in the counting mechanismfor varying the number of pieces received in each pile. q

I Fig, 6 shows a side elevation of a portion of the feeding rolls and associated mechanism.

Fig. 7 shows a plan, sectional view of the parts illustrated in Fig. 6.

' Fig. 8 shows a skeletonized plan view of The stock as it comes from thethe driving and actuating mechanism for the various parts of the machine.

Fig. 9 shows an elevation of the carrier operating parts and the controllingmeans therefor.

Fig. 10 shows a plan view, in section, of the mechanism which holds the pieces of material in an upright position and guides them as they are being placed in thecarria e.

' ig. 11 shows a detail of the automatically controlled locking device employed in connection with the carriers.

Fig. 12 shows a sectional view in detail of the latch mechanism for the buckets.

Referring in detail to the form of our invention illustrated herewith, it will be seen that the plan of the device, as shown in Fig.

'2, comprises, generally, a main frame 10,

upon which is aplatform 11 covering one end thereof, and adjoining one corner of the platform and main frame is a supplemental frame 12 carrying feed rollers 13. Traversing the platform, at right angles to the line of feed of the rollers, is an endless conveyer 14 supplied with a plurality of carriers 15, two 0 such carriers being shown in the present instance. These carriers are hinged at their forward ends to the conveyer chains, any suitable form of hinge connection being employed, such as that illustrated conveniently in Fi 3.

The shafting for the conveyer 14, as shown in Fig. 1, is triangular in arrangement, and comprises a drive-shaft 16, at the forward end of the platform, an idler shaft 17 immediately below the shaft 16, and a second idler shaft 18 at the rear end of the platform, all carrying sprocket wheels 19 over which the conveyer chains 14 operate. The movement of this conveyer is intermittent and timed and the operation of the same will be described later.

The feed rollers 13 are four in number and are arran ed vertically in coordinate pairs; the rol ers at one side bein journaled upon a movable frame portion 20, as best shown in Figs. 6 and 7. The movable part 20 is yieldingly pressed toward the stationary portion by a coil spring 21 made adjustable through a screw shaft 22 operated by acrank 23. Intel-meshing spur gears 24 transmit movement from one roller to the other of each air, while bevel-gears 25, at the lower en of each roller on the stationary frame, mesh with similar gears on a drive-shaft 26 continuously operated from a power shaft 27 The pieces of lumber are fed in successive order to the feed rollers sin ly or in any desired number of thicknesses; the rollers spreading apart on account of their yielding connection to accommodate the difl'erent thicknesses. In boards fed each time will be the same, the particular number depending u on the size, capacity and adjustment of t e resawing machine. The pieces of material are delivered by the rollers in a vertical osition and means are provided upon the p atform 11 for stacking the pieces into an adjacent carrier which for the time being is held in a stationary position above the said platform. The means for stacking the pieces into the carrier comprises a sli ing dog 28, best illustrated in Fig. 4. It is reclprocally movable upon the main frame 10 and proj ects through a slot in the platform 11 and traverses a path across the line of feed of the rollers 13. This dog has an intermittent operation and is actuated by a pitman connection 29, with a wheel 30, carried upon an intermittently operated shaft 31. This shaft is driven through a friction cam pulley 32 which cooperates with a friction pulley 33 carried on a continuously operated shaft 34 j ournaled in shiftable bearings 35.

As shown in Fig. 8, a spring-pressed trip lever 36 looks the shiftable hearings in their outward limit of movement by engagement with a pin 37 carried on one of the same, and contractile coil sprin 38 tend normally to draw the bearings an shaft inwardly to cause engagement of the friction members.

For actuating the trip lever 36, we employ a spring-pressed plunger rod 39 extending transversely of the mam frame beneath the platform and connected with a' fulcrum bar 40 at the opposite end of the frame, as best shown in Fig. 3, where the said bar appears in elevation. A pull spring 41 tends to draw the bar 46in a diretion to push the plunger against the trip lever.

Referring to Fig. 2, it will be seen that the fulcrum bar is connected at its upper end with a tappet lever 42 lying adjacent to the feed rollers and on its inner end is provided with a small roller or tappet 43 in such a osition as to be engaged by the pieces of lum er as they pass through the feed rollers.

.The operation of the mechanism sofar I described will be as follows: Assuming that one of the carriers 15 is lying at rest in front of the feed rollers and the latter ar constantly driven to feed pieces of lumber thereto, each charge or feed of material will carry'the free end of the lever 42 a slight distance forwardly, due to the roller 43 thereon engaging with the pieces of lumber. The opposite end of the tappet lepractice the number of lumber with it and advancing the carrier.

one step, itself retracting leaving a space for the reception of the next charge of material. The actionof the cam 32 pushes the friction pulley 33 away from it as the cycle is being completed and the trip arm 36 will thereupon reengage with the pin 37 and retain the friction members out of operative engagement.

44 in line with or below the lower ends of the feed rollers, a front side portion 45, an adjustable stop arm 46 at the outer side thereof, and an adjustable overhead arm 47.

Each of the carriers 15 comprises a bottom The bottom of the carrier is slotted, as at v c 48, to admit the sliding dog 28. A guide bar 49, best shown in Fig. 10, is arranged adjacent to the feed rollers, being pivoted at 50 to the platform 11 and normally pressed toward the conveyor by a spring 51. This bar is adapted to engage with the rear ends of the boards at its curved end 52, when the former are being fed through the rollers, and retain them in upright position after they have left the rollers. The sliding dog thereupon moving the boards forwardlyin a transverse direction the curved end of the guide bar 49 will insure the engagement of the forward ends of the boards with the stoparm 46 of .the carrier so that the pieces of the material are neatly compacted inpiles with their ends flush.

The guide bar 49 is also provided with a pivoted hook 53, held normally projected beyond the inner face of the bar by a spring clip 54. This hook normally occupies a poto actuate the conveyer to deliver it to,

dumping position and place the other carrier in pose we provide automatic means controlled position to be filled. For this pur-' by the'quantity of material delivered to the carrier. 4

As shown in Fig.4, this mechanism comprises a counting device consisting of a ratchet disk 56 carried on a shaft 56 and operated step by step b a pawl 57 carried on a vibratile arm 58, w ich arm is actuated by a connecting rod 59 fixed to a strap 60 encircling an eccentrically mounted disk 61, carried on the intermittently operated shaft 31. A friction cam pulley 62 is carried on the conveyer drive shaft 16 and coacts with a friction pulley 63 on a continuously driven shaft 64 mounted at either end in shiftable bearings 65, as in the case of the shaft 34.

As shown in Fig. 9 the separation of the friction members 62 and 63 is controlled by a. vertical plunger rod 66 carrying a keeper 66 which abuts one of the bearings 65, being normally held therea ainst by a pressure spring 67. Pivoted to t e rod 66 is a horizontal fulcrum bar 68 carrying a standard 69 in position to be engaged by a pin 70 on a disk 71 mounted on the shaft 56. When the shaft 56 has made a comlete revolution, the pin 70 strikes the memer 69 on the bar 68, moving the latter downwardly and causing disengagement of the keeper 66 from the bearing 65, and allowing the springs 72 to slide the shaft 64 into position where the friction members 62 and 63 will be engaged. The conveyer driving shaft, thereupon, will be driven once. around or'until the highest part of the cam 62 thereon moves the friction pulle 63 away to a position where it will be hel by the spring-pressed keeper 66. This movement of the conveyer driving shaft will provide the necessary travel for the carriers.

It will be seen that each actuation of the sliding dog 28 will move the ratchet disk 56 one step. By the provision of the adjustable connection, as shown in Fig. 5, between the vibratile a rm'58 and the connecting rod 59 the distance through which the ratchet wheel moves u on each actuation may be varied. Thus if 1t is set to be moved one tooth, there being ten teeth in the wheel, it is obvious that each pile of boards delivered to the carrier will consistof ten pieces, and by varying the adjustment to move the ratchet wheel two teeth at each step, the quantity of pieces in each pile will be decreased onehalf. The connection there shown comprises a strap 72 surrounding the spaced bars of the vibratile arm and a transverse pin 73 carried on the connecting rod 59, provided with gripping means 73, in the form of a nut for retaining the strap upon the arm 58. Pin 72 is likewise adjustable upon the connecting rod 59, being provided with a central bearing 74 surrounding the rod and held in position thereon by means of a set-screw 75.

Next, we provide for the automatic dumping of the carriers as they traverse the vertica run of the conveyers, so that the' boards will be discharged flatwise upon a supplemental conveyer 76. The supplemental conveyer is designed to deliver the boards to any desired position and comprises, generally, an arrangement of endless belts or chains driven continuously from a shaft 77 carried on the front portion of the frame and operated by means of any suitable connection 78 with the power shaft 27. The opposite ends of the chains 76 run over idlers 79, arranged adjacent to the vertical run of the conveyer 1 1, and mounted upon longitudinally arranged supporting bars 80, secured to the front portion of the main frame. By providing a slot 81 in the front side of each of the carriers in line with one of the conveyer chains 76 and setting one of the ends of said front inside the ends of the boards, we secure a close coaction between the carriers and supplemental conveyers, and the latter being lower than the horizontal run of the former a quarter turning of the carriers takes place which leaves sition when they meet the supplemental conveyers.

As the carriers turn over, the overhead arm 47 will hold the boards against displacement, and to release the same and allow the pile of material to be discharged, we provide an automatically unlocking hinge 82 therefor. This hinge is best shown in Fig. 11 and is releasable by engagement with a trip device 83 carried on one of the supports 80 near the path of movement of the overhead arm. This hinge comprises generally the usual plates 84 forming bearings 85 for a pin 86. The bearings are of irregular bore, for instance, partly circular and partly square, and the pin is also of irregular cross section, preferably square in part and circular in part. The pin is slidable within the bearings and in certain positions, with its square portion lying in a round portion of the bearings, a turning of the hinge can occur, but, normally, the square portion of the pin is interlocked with the square portion of the hearings on account of a pressure spring 87, so that no turning of the hinge can take place. The pin is provided with a device 88 to engage with the stop or trip 83 which moves it to pivotal position, and thereupon the overhead arm is free to swing out of the way of the passage of the pile of material as the latter is moved from the carrier by the supplemental conveyers.

The hinge just described is of the form shown and described in our Patent #1,166,702, dated January 4, 1916.

Inasmuch as considerable weight is thrown on the carriers in making the turn from horizontal to vertical position, we employ a supporting arm 89, adjacent to the end of the horizontal run of the conveyers 14, slidably mounted upon the main frame.

will return it to normal position.

This arm is shown as normally held rearward by a weighted cord 90, and projects restraining the outward and downward movement of the carrier and relieving the conveyer of much of the increased strain.

The bottom of each carrier will engage with the supporting arm when in angular position and be steadied thereby untll the recess 91 in said bottom portion allows the arm to be released, whereupon the weighted cprd he weight on the cord should be almost heavy enough to counterbalance the weight of the carrier and material. A bumper spring 92 is shown in connection with the slide arm.

It is obvious that the machine here described can be used for a variety of purposes,

and while we have shown and described-but,

one form and application of this device, it is to be understood that many changes in the construction and arrangement of the several parts thereof may be resorted to without de-..

parting from the spirit of our invention as disclosed inthe appended claims.

Having thus described our invention, what we claim and desire to secure by Letters Patent is 1. In a machine for bundling, and delivering boards, an overturning carrier, means to feed the boards on edge in successive order to the carrier, said boards being received in an edgewise position by the carrier and on a horizontal plane and means operative when'a predetermined number of boards have been deposited on the carrier to move the latter to a position 1 where the boards will be dumped on their flat sides.

2. In a machine for stacking boards, the

combination of a horizontally movable carrier, means for feeding boards endwise in vertical position to a point in-front of the carrier, means controlled by the feedin mechanism for stackingthe material fed thereby into the carrier, .and means for delivering the carrier to dumping position when a predetermined quantity of boards has been received therein.

3. In an attachment for a vertical resawing machine, a carrier, mechanism for delivermg boards from the resawing machine on edge to the carrier, means for adjusting the capacity of said delivering mechanism, whereby to. adapt it for different sized charges, and means operative to convey' the I carrier to a distant dumping position when the same has been filled. I

4. In a machine for stacking boards, the combination of a carrier, feeding mechanism to receive boards on edge and move them counting endwiseto position'in front of the carrier, and means massociation therewith/for delivering and guiding the boards on edge into said carrier. I

5. In a machine for stacking boards, the combination of. mechanism for feeding boards endwise in successive order, recipro cal means to receive boards delivered thereby and move them. at right angles to the d1- rection of feeding movement, and means for controlling the operation of the reciprocal means, comprising a trip device actuated by the passage of boards through the feeding mechanism.

6. In a machine for stacking boards, the combination of a carrier and feeding mechanism, and means to receive boards delivered has been filled, and means for automatically dumping said carrier at a point distant from its filling position. I

8. In a wood workingmachine, the comblnationof a carrier mounted upon an endless conveyer, means to feed boards therein,

a lockingdevice for the carrier to retain the boards in position therein, and a. trip device to actuate the lock when the carrier is moved to dumping position.

9.. In a wood working machine, the combination of a carrier mounted on an endless operated and controlled by the passage of conveyer, means to feed boards thereto. in

upright position, the carrier at right angles to its fillin tifin to discharge the boards in a fi p e. y

10. In a machine for stacking boards, the combination of a carri'enan endless conveyer for said carrier" movable in a horizontal plane, means for feeding boards thereto on edge, in a horizontal plane, at right angles to the line of 'movement'of the conveyer, means to advance the conveyer in a step by step operation to permit the carrier to be filled with boards, a latch device actuated by the advancing means, and driving mechaatwise .nism controlled by thelatch device to move the carrier to position for dumping when-a predetermined quantity of boards has been received therein.

11. In a wood working machine, the combination of a travelin' carrier to receive boards and turnable at right angles to dumpingposition, an arm overlying said boards when the carrier is in receiving position and and means for dumping,

posiemma servin to retain said boards-within the carrier w an the latter is turned, locking means on said arm, and a trip device to release said lockingl means, when engaged thereby, to

cause t e carrier to dump its load.

12. In an attachment for vertical re-sawin machines, the combination of a'ho'rizonta y movable, overturning carrier, means for feeding boards thereto from the resawing machine in a horizontal plane at right angles to the line of movement of the carrier, intermittently actuated driving mechanism for the carrier, and means for setting said drivin mechanlsm into operation when a pre etermined uantity of boards has been received in sai carrier to move the latter to dumping osition.

13. In a machine for stac ing boards, the

' combination of a horizontally movable carrier, means for feeding boards thereto in a horizontal plane at ri ht angles to the line of movement of the carrier, intermittently actuated driving m'echanism'forthe carrier, and means for setting said driving mechanism into operation when a predetermmed quantity of boards has been recelved 1n s a1d carrier, said last-named means eomprlslng counting mechanism, and a trip dev ge actuated thereby, said tri acting normally to retain the driving mec anism in disengaged position.

14. In a wood working machine, the combination of a. carrier, feedi mechamsm therefor, means for stacking oards deliv-' mechanism into the operated means for and controlling ered by said feedin carrier, intermittent actuating said stac er,

' mechanism for the intermittent means comprising a lever actuated by the passage of boards through said feeding mechanism, a

trip device normally holding the intermittently operating means out of gear, and a connection between said trip device and lever.

15. In a machine for stacking boards, the combination of a carrier, means for feeding boards thereto at right angles to the direction of movement of the carrier, mechanism for advancing the carrier to permit the same to be filled by successive charges of boards,

said advancing mechanism comprising a reciprocatm member to engage with the boards an move them forwardly into the carrier, thrusting the latter forwardly at the same time, intermittently operating mechanism for actuating the reciprocating to dum the bucket when on the vertical run an means'engageable'with said bucket at the beginning 0 said vertical run to take the increased strain from the conveyer.

17. In a wood working machine the comblnation of a carrier to receive boards in edgewise position, an endless conveyer therefor having a vertical run, whereb to turn the carrier in such position as to dlspose the boards therein in a horizontal position, and a supplemental conveyer cooperating with sa1d carrier, whenthe boards in the latter are in a horizontal position, to receive the boards therefrom and deliver them to a distant point.

18. In a wood working machine, the combmatlon of an endless conveyer, movable along a horizontal and a vertical run, a carrler thereon, means for feeding boards to the carrier in upright position when the carrier is on the horizontal run of the conveyer, means operative by the passage of boards through the, feeding means to advance the carrier step by step, means operative when a predetermined quantity of boards have been received to move said conveyer to position where the carrier will be disposed on the vertical run thereof and means to dump the boards in a flat-wise pile when the carrier is in the latter position.

19. In a wood working machine, the combmation of an endless conveyer movable alon a vertical and a horizontal run, a carrier thereon, means for feeding boards to the carrier in upright position when the latter is on the horizontal run'of the conveyer, means operative by the passage of the boards through said feeding means to move them at rig t angles into the carrier, means operative-when a predetermined quantity of boards have been received in the carr1er to move the conveyer to position where the carrier will be disposed on the vertical run thereof'and means to dump the boards in a flat-wise pile when the carrier is in the latter position.

20. In a machine for receiving, bunching and delivering boards, an endless conveyer,

' a bucket thereon to receive the boards, means in connection with the bucket to lock the boards in place, and means 0 erable to release the locking means when t e bucket has been delivered to dumping position.

21. In a machine for receiving, bunching and delivering boards, an endless conveyer having a long horizontal run and a short vertical run, a bucket thereon arranged to be filled with boards, one on the horizontal upper run of the conveyer, means to lock the boards in place within the bucket, and means operative to release the lockingmeans and permit the bucket to dump its contents when the latter is upon the vertical run of the conveyer.

22. In a machine for receiving, bunching and delivering boards, an endless conveyer veyer, whereby the boards will be deposited upon their flat sides.

In testimony whereof We have hereunto set our hands 1n the presence of subscribing 15 witnesses. V

. JOHN S.'MARDON.

LOUIS D.- FAY. Witnesses:

HENRY B.- Nnvm, CHAs. Sam, A. G. MEDEARIS.

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