US536899A

US536899A - Slat-weaving machine

Info

Publication number: US536899A
Authority: US
Publication date: 1895-04-02
Anticipated expiration: 1912-04-02

Description

(No Model.) 2 Sheet's-Sheet 1. A. R. TIFFANY.

- SLAT WEAVING MACHINE. V No. 536,899. Patented Apr. 2,1395.

m: Nonms PEYERS co, PHQTO-LITHO.. wnsmusron. u. c.

Du h S h S 2 Y N A F F I 7 T R A M d I SLAT WEAVING MACHINE.

Patented Apr. 2

UNITED STATES PATENT OFFICE.

ALBERT RODGERS TIFFANY, OF DAYTON, OHIO.

SLAT-WEAVING MACHIN E.

SPECIFICATION forming part of Letters Patent No. 536,899, dated April 2,1895. Application filed May 7, 1894. Serial No. 510,292. (No model.)

Another object of my invention is to provide a double acting machine the mechanism being arranged in time movements so that one revolution of the timing or governing wheel will complete the length of the band and leave projecting strands of wires outside of the first and last twists which strands are twisted together to form the endless band.

The features of my invention will be fully set forth in the description of the accompanying drawings, making a part of this specification, in which Figure 1, is a top plan View of the weaving machine. Fig. 2, is a front elevation of Fig. 1. Fig. 3, is a perspective view of one of the twisting spindles. Fig. 4, is a plan view of the ratchet driving cam. 4 Fig. 5, is a central vertical section of Fig. 2 with the driving and feed shaft shown in elevation. Fig. 6, is a plan view of the wire gripping and cutting mechanism. Fig. 7, is a rear face view of the timing'wheel. Fig. 8, is a plan view of the laterally slat feeding cam. Fig. 9, is a plan view of the longitudinally slat feeding cam. Fig. 10, is a plan'view of the cam for driving the twisting-mechanism. Fig. 11, is a'plan View of the band of slats from which the endless blank is formed.

A represents the base of the frame of the machine; A, the upright portion.

B represents the main'gdriving shaft; B, the driving pulley. Upon this driving shaft are mounted the following cams: 0 represents the cam for the laterally feeding mechanism.

0 represents the-cam for operating the slat twisting feed. 0 represents the cam operating the mechanism for feeding the-slats forward longitudinally from one side of the machine. 0 represents the cam operating the mechanism for feeding the slats forward lontudinally from the opposite side. 0 represents the'cam operating the gripping, cutting, discharging and tripping mechanism. These cams control all the mechanisms in timemovements so that each portion of the operation of twisting or forming the band shown in Fig. 11, will be performed consecutively in appropriate manner.

In the preferred form of construction the slats are placed in the hoppers D and D, on the table D, only one of these hoppers being shown the opposite one being omitted for the purpose of illustrating the construction.

a represents a series of slats piled one above the other in the hopper. The feeding of these slats is the initial operation and this is accomplished in the following manner:

E represents a lever the end of which is slotted spanning the shaft B as shown in Figs. 5 and 9, and it is armed with a roller which travels in a slot e of the cam 0 The forward end of said lever E is pivotally connected to the connecting rod E (Fig. 2) which journals at E on the frame of the machine. The upper end of said connecting rod is journaled to the link E This link is hinged to the stud e projecting down from the under side of the plunger F. When in the normal position this plunger F is retracted nearly to its outermost position. When fully retracted the slats a drop down in front of the plunger on the table D It will be seen from the plan view of the cam in Fig. 9, that a small portion of this cam groove at the extreme right hand is concentric with the shaft B, in which the roller works idle and during this interim the weaving ope ration is performed. The remaining portion of the cam movement reciprocates the plunger F backward and forward. Plunger F on the left hand'side of the machine is shown partly retracted. The plunger F is shown in position feeding the slats forward. Each plunger F,1F', alternately feeds the slat forward from its respective hopper and delivers it in position for the twisting.

G, G, representthe twisting spindles. These spindles are each slotted at their forward ends, making separated members thereof through each of which is threaded a wire to be twisted around the slat. The slots 19 are preferably of a size just large enough to receive a slat and hold it in the plane of its laterally feeding movement. The slots 1) are horizontal and the spindles stationary when each of the feeding mechanisms is in operation. The slats are fed into the slots by the longitudinal feeds F, F, and moved out into the Wire by the plunger WV.

The twisting mechanism consists of the spindles G, G, which are revolved for twisting the strands. The driving mechanism of these spindles is composed of the cam O, lever H, and yoke frame H, upon the upper ends of which are mounted the rack bars I, I. The teeth of these racks mesh respectively with the gear 1 on the spindles G, G. It will be observed that the earn 0 is provided with the groove (1 having two working portions d and (Z and two idle portions d and d, and the cam operates so as to raise the rack bars I, I. WVhen the roller t' on the lever II is traveling in the working portions d of the groove (1 then the roller is idle until it is moved around to the portion d when the rack bars I, I, are brought down and the spindles are revolved in the opposite direction. This is for the purpose of twisting the wires between two of the slats in one direction and between the next two slats in the opposite direction, to prevent the wires from kinking on the reels J, J.

In order to hold the slat firmly and to prevent it from splitting while the wires are being twisted and in order to bring the twist into the notches of the slat, I employ keeper blocks X, X, which are provided with slots of the size of the slats, which are forced into said slots from the slotted or divided spindles by plunger W.

I, I, in Fig. 2 represent grooves in the slotted faces of the keepers X, X, just large enough to receive the wires. The slats are forced out of the keepers by the feeding of the next slat. This is continued until the requisite number of slats have been wooven ready for the final delivery operation.

The gripping mechanism, the cutting mechanism and thelaterally delivering mechanism are operated primarily from cam 0 in the following manner:

K represents a lever provided with the roller traveling in the groove (1 which is raised and lowered during each revolution of the shaft E. Upon this lever are mounted links L, L, hinged thereto at one end and thelink arms M, M, at the opposite ends. These arms each journal upon a stud-pin m and upon each end-is mounted a pawl 72., 01'. These pawls engage with notches on the disk N which is rigidly attached to the revolving disk 0. One of the pawls, say it, is operated by the upward motion of lever K moving disks N and 0 one step. On the downward movementthe opposite pawl 71 moves these disks another step. These step movements of the disks N, O, are for operating the gripping, cutting and laterally delivering mechanisms and also for tripping the longitudinal slat feed.

The following operative parts are attached to the slide P:

19 represents a slot in said slide P through which passes the stud pin m. This stud pin is tapped into the frame piece m and the disk 0 journals thereon. The disk 0 is armed with cams q, r, s, which engage with the rollers on the slide P and a secondary slide Q, which works in grooves formed in the slide P. To this slide Q are pivoted bell crank gripping arms S, S.

S S represent stationary gripping arms. These gripping arms are operated at the end of each revolution of the disks N, O, for gripping the wires by raising up the secondary slide Q and grabbing the wires between the jaws of the grips and the knives T sever the wires. This motion is obtained as follows: Referring to Figs. 6 and 7, the cam '1" passes under and engages the roll 7" on the slide P, raising the latter. As the cam 7 passes off the roll, the cam s engages the roll 'v on the slide Q, lifting it, while the rear end of cams engages the roll 'v, to throw the slide down. The cam r being on the revolving disk O,it is brought once in every revolution into contact with the roller r, on the slide P. The cam r passes under the roller and raises it, lifting the slide and thereby bringing the stationary grips into position to grasp the wire, when the secondary slide Q is raised. The slide P is raised to bring the stationary grips S S into position by means of the cam rengaging with the roller 0" on said slide. Operated by disk 0 is the discharging mechanism which consists of the bell crank lever V which is journaled on the stud of frame piece m on the outer end of which is a roller 10 which engages with the cam g on the disk 0 to oscillate the lever. On the upper end of this lever V is an arm or plunger 72 the forward end of which rests upon an incline on the frame piece m This frame-piece extends up and has a horizontal ledge 'm (Fig. 5) which is inclined upon its rear edge. The plunger it rests upon this incline and when said plunger is moved forward, it will be raised by said incline and will engage the slats. When the cam q acts on the roller w the plunger it raises in the rear of slat a and moves the slats forward on to the delivery table a. The Wire is then out which is the final movement discharging the band. The slats are however consecutively moved forward during the process of weaving in the following manner:

0 represents the operating cam. It is provided with agroove having four working faces g, g, g 9 0' represents a roller mounted upon the lever 72/ traveling in said groove.

72. represents a link connecting the lever h to the stud h on the plunger W. This is reciprocated twice each revolution by the cam land the lever h in the following manner: After the first slat a, has been fed longitudinally into the twisting spindles this plunger is reciprocated and moves the slat forward oneste'p, and the twisting spindles revolve it and then move back and after thesecond slat has been fed into the twisting spindles it is again reciprocated to move the second slat forward.

In order that the wire may be twisted in the rear of theseri'es of slats leaving strands as in 2, 2, Fig. 11, it is necessary to stop the feeding forward of slats during this operation. This isaccomplished in the following manner:

3 represents the slide bar whichis guided centrally by a pin or roller a. The ends of this slide engage withyoke arms 6.

7 represents the jaws of the yoke arms which seat in recesses in the table under the hopper. The yoke arms rock on shaft 8. The slats rest on the jaws 7. Now as cam t on the disk 0 engages with pin 4 of slide 3, it lifts yoke 6 upupon each side and with them raises the slats so that the feeding of the slats forward to the twisting mechanism is stopped while the last twist is being put in the rear of the slat a. The length of the strands under the twist or knot is determined by the travel of the arm h on the lever V, which moves the slat far enough forward on the table a so that the wires are cut off a sufficient distance from the knotor twist to form the secondary twisting strands 2.

Mode of operation-The wires are threaded through the spindles and through the slots in the keepers and the preliminary knot is made in the end of the wires by hand. Then the machine is started up and a slat is fed forward from one end of the machine and placed in the grooves of the slotted or divided spindles which brings the slat between the two wires which are to be twisted around the slat. Then feeding arm h moves plunger W forward carrying the slat from the divided spindles and delivering it into the grooved keepers. The spindles .are then revolved by the operation of lever H and cam C twisting the second knot in the rear slot of the slat. Then the second slat is fed forward into the divided spindle and then plunger W moves it forward forcing the first slat on to the table a and placing the second slat in the grooved keepers drawing the wires through the divided spindles a sufficient distance to form the second loop., Then the spindles are revolved again in the opposite direction making a second twist. This operation is continued until the requisite number of slats are twisted to form the band. When the timing wheel or disk 0 has moved until the cam t engages with the slide 3, and lifts the jaws 7 which raises the slats in their hoppers so that the feeding plunger F will not deliver a slat, in the mean time the plunger It has been brought into position and ejected the last slat from the keepers. The strands of wire are then grasped by the grippers S, 5 actuated by the slides P, Q. The wires are severed by knives T but are held by the grippers until the next preliminary twist is formed which takes place'durin g the time that the jaws 'Z are elevated to hold the slats out of the way of feeding plunger. The the slides P, Q, are brought back into their normal position while the first slat of a new band is being fed forward into the divided spindles. I have shown the endless band to be composed of fourteen slats. Timingdisk O is provided with fifteen step movements. Dnringthelast step movement the slats are lifted, the wires cut and the preliminary twist for the new band is formed.

I claim- 1. In aslat-weaving machine, the combination of one or more reciprocating slat-feeding plungers, with weaving spindles the front ends of which are divided into separated members between which the slat is received and held, and mechanism for operating the same intermittently of the operation of the twisting spindles, and driving mechanism operating said twisting spindles intermittently in time movements, substantially as specified.

2. In a slat-weaving machine the longitudinal slat-feeding mechanism, consisting of one ormoreintermittentlyreciprocating plungers, in combination with weaving spindles provided with slots adapted to receive and hold the slats in the plane of their laterally feeding movement, and automatic driving mechanism for operating each of said parts intermittently in time movements with each other,

substantially as specified.

3. In a slat-weaving machine, the combination of one or more reciprocating feeding plungers, the laterally reciprocating delivery plunger W, the weaving spindles provided with slots 1), and driving mechanism for operating the said parts each automatically and intermittently in time movements with each other, substantially as specified.

4. In a slat weaving machine employing twisting spindles and feeding mechanism for moving the slats intermittently forward for twisting, the slotted end clamps X, X, for

holding the slats during the' operation of twisting, substantially as specified. v

5. In a slat weaving machine, in combination with the weaving spindles, the disk 0 re volved by step by step driving mechanism, and devices mounted on said disk for actuating grips and cutters at stated intervals, substantially as specified.

6. In a slat weaving machine in combination with the spindles G, G, and mechanism for operating the same intermittently, the disk 0, the cam q mounted thereon, and the delivery armh operated by said cam at stated intervals between the Weaving operation, substantially as specified.

7. In combination with a slat weaving machine, the hoppers D, D mounted on the ta ble D-", and on each side of the wire twisting spindles, and mechanism for operating the plungers F, F alternately with each other in time movements, substantially as specified.

IIO

8. In a slat weaving machine employing one or more feeding hoppers and mechanism for feeding the slats therefrom intermittently, the step by step moving disk 0, the yoke jaws 7 supporting the slats, and mechanism actuated by said disk for raising the jaws to suspend the slat feeding at stated intervals, substantially as specified.

9. In a slat weaving machine, the disk 0 and mechanism for revolving the same in step by step movements, in combination with aslide P,wire gripping jaws mounted thereon, and mechanism for actuating the grippers at a stated point of the revolution of said disk, substantially as specified.

10. In a slat weaving machine, the combination of longitudinal slat feeding devices operated intermittently, the laterally slat delivering plunger W, and driving mechanism for operating the same intermittently and between the operation of the longitudinal feeding devices, the twisting spindles, and mechanism for revolving the said spindles, wire gripping and severing devices, and mechanism for automatically operating the said parts in time movements, substantially as specified.

11. In aslat weaving machine, the combination of the slat feeding mechanism, the slat delivery plunger W, the wire twisting devices operated in time movements to weave the slats successi vely after they are delivered from the spindles, the secondary slat moving arm h, and devices for operating the same in time movements, and mechanism for suspending the slat feeding at stated intervals, whereby a series of slats is woven into a web with the strands knotted at each end thereof, substantially as specified.

12. A slat weaving machine composed substantially of the weaving spindles provided with slots 1), and wires threaded through each member thereof, the longitudinal slat feeding mechanism, the laterally slat moving plunger W, the wire gripping devices, the wire cutters, the tripping mechanism for suspending the slat feeding, and the driving mechanism mounted upon the shaft 13 arranged to operate the said devices consecutively in time movements, whereby a web of slats is woven with knots tied in each end of the strands, substantially as specified.

In testimony whereof I have hereunto set my hand.

ALBERT RODGERS TIFFANY.

Witnesses:

W. R. W001), E. E. W001).