US1025781A - Bag-filling machine. - Google Patents

Description

' APPLICATION TILED FEILZS, 1911.

J. BROUSSARD.

BAG FILLING MACHINE.

Patented May 7, 1912.

' 3 SHEETS-SHEET l.

COLUMBIA PLANOGIKAPH C0.. \VASHING'IOI. n. c.

J. BRO USSARD.

BAG FILLING MACHINE. APPLICATION FILED PEB.23, 1911.

Patented May 7, 1912.

3 SHBETSSHEET 2.

/ anvem foz I A; WW-f Q vibmeowo COLUMBIA PLANOGRAPH C0..WA5HINOTON. n. c

J. BROUSSARD.

BAG FILLING MACHINE.

APPLICATION FILED Emma, 1911.

I 1,025,781. Patented May 7, 1912.

3 SHEETS-SHEET 3.

COLUMBIA PLANOORAPH c0., WASHINGTON. n c.

JAMES BBOUSSARD, 0F LOUREAUVILLE, LOUISIANA.

BAG-FILLING MACHINE.

Specification of Letters Patent.

Patented May 7, 1912.

Application filed February 23, 1911. Serial No. 610,342.

To all whom it may concern:

Be it known that I, JAMEs BROUSSARD, a citizen of the United States, residing at Loureauville, in the parish of Iberia and State of Louisiana, have invented certain new and useful Improvements in Bag-Filling Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in bag filling machines.

In my former Patent, No. 951,051 of March 1, 1910, there is disclosed a machine particularly adapted for bagging cotton seed, in which the seed is delivered from the gins to the bags in predetermined quantities so that the weight of each bag will be the same, means being also provided for recording the number of bags or sacks so filled. In my patent aforesaid, in the accomplishment of the object of properly packing cotton seed, the machine is constructed and arranged for shaking the sacks laterally while being filled. The present invention is designed, however, more particularly for bagging articles other than cotton seed, for instance, sugar corn, or rough rice, and from experience it has been found that the lateral shaking of the sacks will not properly pack certain products other than cotton seed.

One of the objects of the present inven-' tion, therefore, is to provide means for properly jiggering the sacks vertically while being filled.

Another object is to automatically control the course of delivery to another sack when one sack has been filled to the required weight, and still other objects and advantages will appear from the following description setting forth the invention fully.

While the invention is not restricted to the exact details shown and described, for the purpose of disclosure reference is had to the accompanying drawings illustrating same, in which like characters designate the same parts in the several views, and in which- Figure 1 is a view in side elevation, one of the sacks being shown raised in position for delivering the seed thereto while the other sack is shown lowered ready to be removed and a new sack placed in position. Fig. 2 is a View in side elevation looking from the opposite side of the machine,.showing the bags in substantially the same position, but also showing one bag broken away or detached from its supporting rim and clamping ring, and the hopper being shown broken away. Fig. 3 is a vertical cross section on the line 33 of Fig. 2. Fig. 4: is an inverted plan view of the bottom framework of the cage showing the reciprocating clevis member for operating the vertical jiggering means. Fig. 5 is a section on the line 4 d of Fig. 4, looking in the direction of the arrows, but with the frame in a reverse position to that shown in Fig. 4. Fig. 6 is a perspective view diagrammatically illustrating the connection of the horizontal reciprocating frame with the vertical jiggering means. Fig. 7 is a fragmentary detail view showing braking means for holding the sack platforms against upward movement when the sacks are removed. Fig. 8 is a fragmentary sectional view on the line 77 of Fig. 7. Fig. 9 is a local perspective view of the clamping ring and lever connection, and Fig. 10 illustrates a wheel carriage or movable platform for directly supporting the sacks.

Briefly referring to the general structure of framework, substantially the same as my former application, a designates the general frame work, suitably supported and trussed by the rods 7), 0 designating a hopper having the discharge chutes (Z and d diverging from the bottom of the hopper, 6 illustrating the lower end of a division plate pivoted at f and continuing upwardly as at 9, whereby when the plate is operated in reverse directions it will alternately discharge in the chutes cl or cl. i is registering means for indicating the number of sacks filled, consisting of a suitable dial, ratchet wheel, and a pawl j suitably connected with the swinging division plate 9-6 to operate the ratchet wheel. 70 designates a sprocket chain engaging the sprocket wheel Z near the lower part of the frame and the driving sprocket m carried by a shaft mounted on the frame and on which is also mounted a wheel n driven by any suitable source of power represented by the belt 0. To these particular features no claim is based generally, and it will be seen that the driving means and registering means are on opposite sides of the framework.

From the drawings it will be seen that there are a pair of bag supporting means, but for simplicity of description I refer only to one.

Suspended from the top of the framework is a vertically movable cage 1 having a bag supporting platform 1 and which may be properly guided. The cage is suspended by means of the link and cable connections 2, the cables reeving over pulleys 3 supported by the top of the framework and the other end of the cable or flexible connections 2 suspending a weight or weights 4 of predetermined value, the weights normally tending to hold the cage in an elevated position when unloaded and to determine the quantity of seed to be packed in the sacks, owing to the weight of the packed sack causing the cage to descend and automatically control governing means for the filling operation. The bottom of the cage is provided with up rights 5 slotted vertically, as at 6, in which slots are journaled sheaves 7 hereinafter referred to. At the top of the uprights 5 are located transverse bars, represented as angle bars 8, and these transverse angle bars 8 suitably support a funnel or movable hopper 9 and also a pivotally supported lever 10 suspending a clamping ring 11 by any suitable means, such as a pair of flexible cords 12, which clamping ring is provided with means for distending and contracting same, indicated conventionally at 13 in Fig. 9. The lower end of the cage is prevented from lateral swing by the guide bars 14 engaging the uprights 5, and any suitable guiding means may be provided for preventing swing lengthwise of the base of the machine.

1.5 is a locking lever pivoted to a stationary support or post16 and extendingthrough a U shaped iron 17, shown more clearly in Fig. 7, the iron 17 being secured to the inside face of one of the standards of the cage. The inner end or the free end of the locking lever 15 is adapted to be forced downwardly over an inclining lug 18 and sprung underneath the same for locking the cage in its lowermost position, to prevent the weights 4 from elevating the cage with a jolt when the bag is removed. It is obvious that the free ends of these levers may be sprung laterally when the cage is to be elevated, and the speed of elevation can be controlled manually, it being understood that a loaded sack is removed and emptied then replaced and elevated in position while the other sack is being filled. The sack itself has a movement independent of its support, the sack in being shown raised from its immediate support at the left in Fig. 1, and the opposite sack y being shown in its lowermost position both in relation to the apparatus itself and the imme diate supporting means for the sack.

The arrangement for suspending the sack comprises the means for jiggering the same vertically, as herein before referred to, and consists of a rim-19 through which is passed the end of the sack and lapped over said rim, the rim being suspended, as shown more clearly in Fig. 6 by a pair of cables 20 connected at one end to said rim, then reeving over the sheaves 7, thence extending downwardly and reeving around a sheave 21, thence extending outwardly and reeving around a sheave 22, passing back inwardly and connected as at 23 to a clevis member 24 slidably mounted on the base framework of the cage, the latter consisting of a platform of angle iron 25 shown in inverted plan at Fig. 4. The forked arms of the clevis member extending through guiding eyelets 26 on the vertical side webs of the base support, and suit-able springs, such as coiled springs indicated at 27, are disposed between the clevis member and the support 25, tending to force the ring 28 of the clevis member away from the framework. The top of this clevis member is also provided with a guiding plate 29 apertured to register with the ring 28, as hereinafter referred to.

The beveled stops 18 are mounted on a support 30, and on this support is also suitably journaled a shaft 31 carrying on one end the sprocket wheel Z, and at its other end a disk and eccentrically arranged crank pin 31 connected by a pitman 32 with a swinging arm 33 bifurcated at its lower end, as at 34, and pivot-ally connected, as at 35, with the base. A shorter swinging arm is arranged at the opposite side of the crank mechanism having its lower bifurcated ends 36 similarly pivoted to the base, and subtending these arms is a bar 37 pivoted thereto and provided with downwardly projecting fingers 38 disposed in a plane passing through said bifurcated arms and adapted to pass through the ring 28 of the reciproeating clevis.

39 designates a cable for each cage counterbalancing weight connected at one end to its weight 4, thence reeving around pulleys 40, 41 and 42 and secured at 39 and 39 to opposite sides of the division plate g, as seen in Fig. 2.

In operation, when either of the cages are in their lowermost position they are held locked by the lever 15 engaging beneath the lug 18. In this position the full sack y,

Fig. 1, may be removed from the cage platform, preferably by running the rolling carriage, shown in Fig. 10, along a track arranged adjacent thereto and replacing the filled sack by the sack :1 shown in Fig. 2. From Fig. 2 it will be seen that the rim 19 is flared,-as at 19 and the open end of the sack is passed through the rim and lapped over the flared edge, whereupon the clamping ring 11 is lowered in position and clamped around the sack edge, held between it and the rim. The lever 15 is then unlatched from the lug 18, and by holding down on the free end thereof the elevation of the cage 1 by the counterbalancing weight 4 may be controlled, it being understood that this operation is performed while the other sack is being filled, so that the empty sack is in place under its chute when the discharging means is automatically shifted. \Vhile the sack is in its lowermost position (and the same is true of the sack 00 when in the same position) the finger 38 is out of engagement with the ring 28 while the opposite finger 88 is in engagement with the ring 28 of the cage containing the sack being filled, so that one sack is being jiggered vertically while the other remains stationary until moved to its elevated position, the jiggering of the sack being accomplished by the movement of the bar 37 through the crank and pitman mechanism reciprocating the clevis 24 against the tension of the springs 27 and the weight of the sack. \Vhen the lowered sack is empty it will be understood that the strength of the springs 27 is suflicient to force the ring 28 outwardly against the weight of the rim and the sack, so that as the cage is raised the reciprocating finger 38 will slide along the plate 29, should it not be in a position to immediately register with the ring 28, until it comes in such position, when the cage will be allowed to continue upward movement, the ring 28 sliding upwardly on its finger 38. When the sack 00 is filled, and likewise the sack 3 in its turn, the weight of the contents of the sack being determined by the weight 4:, the filled sack will overcome the counterbalancing weight 4 causing the cage to descend, and the weight 1 ascending will operate its cable 39 and pull the division plate 9 toward its side, shoving the lower end in the opposite direction to discharge into the opposite chute, thereby automatically controlling the discharge from the hopper. During the descent of the cage the U-shaped member 17 will force its lever 15 downwardly until it engages the inclined lug 18 and springs therebeneath, holding the cage locked against the action of the weight. At the same time the ring 28 leaves its finger 38 and the clevis being released the weight of the sack causes it to descend independently of the descent of the cage until it rests on its weight or platform, the descent being against the action of the springs 27. The ring 11 is then unclamped, and the edge of the sack being released the springs 27 will cause the clevis member to move in a reverse direction, elevating the rim to detach it from the sack top and in position to insert a new sack after the filled one has been removed. The same cycle of operations being repeated alternately by each of the sack elevating devices.

Having thus described a practical and preferred embodiment of the invention, the particular features of novelty will now be pointed out more succinctly in the following claims 1. In a bag filling machine, the combination of a delivery chute; a device adapted to hold the bag open adjacent said chute; a flexible support for said device; and means for connecting with said flexible support to jigger the bag while filling and to automatically disengage therefrom when the bag is filled, substantially as described.

2. In a bag filling machine, the combination of a delivery chute; a platform movable vertically beneath said chute; a device for holding a bag open; a support for said holding device associated with said platform and adapted to support the bag above the platform; and means associated with said supporting device to jigger the bag vertically and independently of said movable platform; said means having a connection with the supporting device adapted to be automatically disconnected when the platform is lowered, substantially as described.

3. In a bag filling machine, the combination of a delivery chute; a platform movable vertically beneath said chute; a flexible bag supporting device comprising a rim adapted to hold the bag open beneath the chute; means on the platform for holding said flexible support; a reciprocable arm having a vertically disposed portion; a slip connection between the flexible device and the vertically disposed portion of said arm; and means for reciprocating the arm to jigger the bag vertically and independently of the platform; and said vertically disposed arm portion adapted to release the flexible device and allow the filled bag to lower to the platform, when said platform is lowered, substantially as described.

1. In a bag filling machine, the combination of a delivery chute, a support for the bags to be filled adjacent said chute, a horizontally movable member provided with an eyelet or ring, a plurality of sheaves, flexible means connected at one end of said bag thence passing upwardly and downwardly over one of said sheaves thence passing horizontally around another of said sheaves thence doubling back upon itself around In testimony whereof, I aflix my signaanother of said sheaves and connected to ture, in presence of two Witnesses.

said horizontally movable member a reciprocating rod having a finger adapted to aline JAMES BROUSSARD' 5 with said eyelet or ring, and means for oper- WVitnesses:

ating said reciprocating member, substan- E. S. BnoUssAm),

tially as described. I CLET Pnovosr.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

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