US2014710A

US2014710A - Labeling machine

Info

Publication number: US2014710A
Application number: US754514A
Authority: US
Inventors: Charles H Wild
Original assignee: Burt Machine Co Inc
Current assignee: Burt Machine Co Inc
Priority date: 1934-11-23
Filing date: 1934-11-23
Publication date: 1935-09-17
Anticipated expiration: 1952-09-17

Description

Sept. 17, 1935. c. H. WILD 2,014,710

LABELING MACHINE Filed Nov. 25, 1954 -17 Sheets-Sheet 1 N V INVENTOR.

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Patented Sept. 17, 1935 UNITED STATES PATENT OFFICE Machine Company Md., a corporation of Incorporated, Baltimore, Maryland Application November 23, 1934, Serial No. 754,514

25 Claims.

The object of my invention is the providing an improved labeling machine of simple, durable and cheap construction.

A further object of my invention is the providing in a labeling machine means for definitely positioning a container therein during the labeling process. 7

A further object of my invention is an improved means for conveying containers through said labeling machine.

A further object of my invention is an improved label magazine and means for applying labels therein to a container.

A further object of my invention is an improved means for initially feeding containers into said machine.

A further object of my invention is an improved adhesive-applying appliance in a labeling machine.

A further object of my invention is an improved means for applying adhesive to the container, the labels to the container, and pressing the label after being applied- A further object of my invention is the providing in a labeling machine adapted to convey containers therethrough, an improved pressing device that may be adjustable and interchangeable as to its members and pressure as desired.

A further object of my invention is an improved driving means for a table carrying the adhesive-applying, labeling and pressing means as definite units thereof with relation to the container being operated upon.

' A further object of my invention is the providing in a labeling machine adapted to convey containers therethrough, means for stopping said machine upon the canting or changing of position out of the regular of a container therein to prevent injury to containers and machine.

A further object of my invention is the providing in a labeling machine adapted to convey containers therethrough, safety means whereby the moving parts of said machine are inaccessible but visible while said machine is in operation, and upon opening stops the machine to prevent accident to the operator.

A further object of my invention is the providing a labeling machine for one or two side labeling, as desired, and further providing means for adjusting said machine to accommodate containers of different thicknesses.

A further object of my invention is the providing in a labeling machine adapted to progressively pass containers therethrough, means for applying a plurality of labels simultaneously to one side of said containers in a one-sided machine, or to both sides in a double-sided machine, as may be desired.

My invention consists of the construction, 5 arrangement of parts and combinations as particularly described and illustrated herein, having in view the objects above enumerated and other objects which may appear; I have described in the accompanying drawings the preferred em- 10 bodiment of a machine embracing my invention, but I wish it to be understood that such variations, changes and modifications may be resorted to which come within the scope of the claims hereof.

In the drawings of the herein-described embodiment of my invention, in order to afford a more comprehensive understanding of the drawings, the casings, safety-guards and other enclosing appliances are omitted from most of the views, excepting where they are specifically shown.

Figure l is a side view in elevation of my improved labeling machine, particularly showing the feed-in belt, discharge belt and relative location of the various parts, such as the adhesive-applying mechanism, the label-applying mechanism and the pressure applying mechanism, also the drive for the main table supporting various units; Fig. 2 is a plan View of the machine shown in Fig. 1, adapted for double labeling, that is, the simultaneous labeling of both sides of the container; in other words, it is what I choose to call a double machine; Fig. 3 is a view somewhat similar to that shown in Fig. 2, showing a plan view of the machine shown in Fig. 1, but a single machine, that is,'the rear appliances not seen and perhaps not shown in Fig. 1 are omitted in Fig. 3, but shown in Fig. 2; Fig. 4 is a sectional view in elevation, taken through 4-4 of Fig. 3, looking in the direction of the arrows; Fig. 5 isa view in elevation of the part of the interior of the machine, showing the feed-in belt, machine conveyer and discharge belt; Fig. 6 being a plan view of the machine shown in Fig. 5; Fig. '7 is an enlarged plan view of the feeding mechanism for feeding the containers from the initial feed-in belt to the machine conveyer; Figs. 8-12, inclusive, are enlarged views of a portion of the adhesive-applying mechanism, the main table, machine conveyer, a container and the container centralizer, the various parts being in difierent relative positions particularly to show the action of the adhesiveapplying means, the container centralizer in its 55 operation of conveying the container with reference to the machine conveyer and the relative position of the main table in various steps.

Figs. 1321, inclusive, are enlarged views of the label-applying mechanism, showing particularly various stations of the various parts relative to the main table and the container. Attention is called to Fig. 16 which shows a plurality of label supplying means, that is, one superimposed over the other for applying a plurality of labels simultaneously on one side, the upper and lower mechanism being substantially identical, the upper one being carried on an extension of the table in the shape of a supporting extension I30, which performs the function of supporting the label mechanism as the table does below it. Fig. 22 is an enlarged view in elevation, somewhat similar to the view in elevation-shown in Fig. 1, of a portion of the machine involving the moving parts, having the transparent safety-guard appliance shown thereon; Fig. '23 being a plan view of the parts shown in Fig. 22; Fig. 24 is a sectional view taken through 24-24 of Fig. 22, looking in the direction of. the arrows; Fig. 25 is a view in elevation of the transparent safety appliance, looking in the direction of the arrows 25, inFigs. 22 and 23; Fig. 26 is a sectional view, taken through the machine at 26--26 of Fig. 1, looking in the direction of the arrows; Fig. 27 is a plan view of Fig. 26; Fig. 28 is an adhesiveapplying pad of one type of construction and material; Fig. 29 being a similar view of another type of pad of a different shape and material, both types having their sphere of operation and particularly adapted for their special 'work, as hereinafter described; Fig. 30 is an enlarged view of the presser pad and appliance attached thereto for stripping a label which might inadvertently adhere thereto, as will be described later; Fig.

31 is an enlarged sectional view of the adhesiveapplying mechanism, including the adhesive reservoir and transfer roller, belt and feeding mechanism, taken through 3 I3I of Fig. 32, Fig. 32 being a plan view of that shown in Fig. 31; Figs. 33, 34 and 35 illustrate the safety-stop for operating upon the tilting or jamming of a container passing through the machine; Fig. 33 showing the construction of the top rod and its operating mechanism with reference to the operation of a stopping switch, Fig. 34 showing the stopping switch operated by the bar above mentioned, and Fig. 35 showing a container operating the various parts when in stopping position.

In the passage of containers through the machine, especially when constructed of glass or.

hard materials, an abrasion or friction sometimes occurs against the guiding members contacting with the container and causes a retardation of that edge of the container. To avoid this, the mechanism shown in Figs. 36-40, inclusive, illustrates the preferable means of overcoming this feature in the machine described, Fig. 36 being a side viewin elevation of a special guard contacting with the container at points desired in the machine, relatively positioned as shown in Fig. 3; Fig. 3'7 is a plan view of the parts shown in Fig. 36; Fig. 38 is a sectional view taken through 35-45 of Fig. 3, looking in the direction of the arrows; Fig. 39 is a sectional view in elevation, taken through 39-36 of Fig. 37, looking in the direction of the arrows; Fig. 40 is a sectional view, taken in elevation through 40-45, of Fig. 3'7, looking In the direction of the arrows; Fig. 41 is a detailed view of the mechanism for tripping the pusher-rack in the upperlabel magazine.

Similar numerals refer to similar parts throughout the several views.

I is the feed-in belt. 2 is theidle pulley for the feed-in belt. 5 is the container guide, one on each side of the machine on entering, slightly shaped outward at the entrance end to insure the containers entering therein. 4 is the main side bar frame, one on each side (see Fig. 26). 5 are supporting legs for the machine. While I have shown the supports 5, any convenient means may be adapted for supporting the machine, such as, a base, brackets or other means, and con cerning which I claim nothing. 6 is the top guide for the containers travelling through the machine (see Figs. 1, 2 and 3). I are container retainers performing the function of holding the container when the various units are withdrawn from the same.

MAIN Darvr:

(See Figs. 1, 5 and 6) 5 is the power appliance, as shown, an electric motor. 9 is a sprocket on the power appliance. I0 i s a sprocket-chain operated by said sprocket 9 and operating sprocket II, which sprocket is mounted on shaft I2 and drives the same. On shaft I2 is sprocket I5 and miter-gear I 4, sprocket I3 driving sprocket chain I5 which chain drives sprocket-wheel I6 fastened to shaft I1. On shaft I! are secured sprockets I8 and I5, sprocket I3 driving sprocket-chain 20, which chain drives sprocket 2| secured to shaft 22, and drives the same. On shaft 22 is secured pulley 25 which carries and drives discharge belt 24, the other end of which belt 24 operates over idle pulley 25.

Sprocket I6, on shaft II, operates machine conveyer chain 26. Conveyer chain 26 is provided with flights thereon I25 for definitely conveying containers therewith. For ordinary work it has been found convenient to have these flights spaced 7 inches apart. This is not important, however, as the space may be greater or less. These flights positively convey thecontainers through the machine within the limit of their operation; that is, after receiving the container from the feeding fingers I29 and until the container is engaged by positioning member II4 (see Fig. 7).

Referring to Fig. '7, I29 is the feeding finger which is pivotally attached to slide bar I55, being provided with an engaging spring to maintain the same in in, or engaging, position but permits the said finger to move outward for passing containers on the retrieving stroke. Slide bar I53 operates under clamp guides I54, and is operated by link I55, which link is operated by lever I56, which lever is fulcrum'ed at I51 and is operated by connecting rod I55, which connecting rod is pivotally mounted to main table 49 and is driven thereby. On the engaging end v of connecting-rod I55 is relief pressure spring I55 whereby connecting-rod I55 may continue in its progressive movement for a slight period during the stopping of slide bar III while the container is being engaged by flights I25. Slide bar I53 operates in a longitudinal direction, as indicated by slots therein I60. IN is a resilient stop pivotally mounted to container guide 3, and is provided with a tortional spring tending to keep said stop in in, or engaged, position, holding the containers against the tendency of the initial feeding belt I to carry the containers by the same, but is pushed into inoperative position by the container being advanced positively by feeding finger I25.

Positioning members 4, at their'respective stations, pasting, labeling and pressing, engage the container and advance it slightly ahead of these flights until they let go. when the flights '5 catch up and carry the container to the next station (see Figs. 7-11).

Conveyer chain 26 drives sprocket 21, secured to shaft 28, and on shaft 26 is sprocket-wheel 29 operating sprocket chain 36, which chain operates 10 sprocket-wheel 3| secured to shaft32, on which shaft is secured pulley33 which carries and drives feed-in belt I.

Miter-gear l4 on shaft l2 drives miter-gear 34, which is secured to shaft 35 (see Figs. 1, 22 and 15 26). On shaft 35, at proper locations as shown in Fig. 1, are secured worm-

drives

36, 31 and 38, which drive worm-gears 39, 46 and 4|, respectively, the worms (see Fig. 1) being invisible, as they are behind the worm-wheels 39, 46 and 4| located 20 on shaft 35, as above mentioned. From the above, it will be seen that shaft 35 drives the three worms, 39, 46 and 4|, by means of worm-gearing. Worm-wheel 39 drives shaft 42; worm-wheel 46 drives shaft 43; worm-wheel 4| drives shaft .25 44 (see same in dot in Figs. 1 and 31, and see Figs. 7, 8, 9, 10, 11, 12, 17, 18-, 19 and 27, for end views of shafts 42 and 43). Fig. 32 shows the end of shaft 44. 7

On

shafts

42 and 43 are cranks 45 and 46, which 3 cranks carry crank-

pins

41 and 48, on which pins is journalled main table 49. These crank-pins .41 and 48 are hardened and neatly adjusted to hardened bearings secured to the main table, said crank pins being provided with heads opening 3 above the hardened hearings on main table 49, and are assembled through said bearings into the cranks 45 and 46 by pressure means, thereby forming a substantially relatively fixed structure (see Fig. 26). 56 is the floor-plate (see Figs. '7, 8,

4o

9, 1o, 11, 12, 26 and 27).

On shaft 28 (see Fig. 6) is secured sprocketwheel 5| which drives sprocket-chain 52, which chain drives sprocket-wheel 53, the latter sprocket-wheel being secured to shaft 54. At the end 45 of shaft 54 is spiral gear 55 and its conjugate gear 56. Conjugate gear 56 drives shaft 51 (see Figs. 1 and 31).

Shaft 54 extends entirely across the machine,

and operates both appliances, one on either side 50 of the machine, when desired. For brevity. only one set each of adhesive-applying mechanism numerals, label-applying mechanism numerals and presser-applying numerals will be given; the duplicate parts on the reverse side of the machine 55 being given prime numbers, when desired, for

brevity and clarity,

Shaft 51 carries adhesive roller 56 (the various bearings for the shafts, enumerated not being lettered or described, as ordinary construction 60 is used in the carrying of these various shafts in operation).

ADHESIVE-APPLYING MECHANISM Near the end of shaft 61, above the adhesive Y 65 roller, is a gear 59 (see Fig. 3) which drives gear 66, which gear 66 drives shaft 6|, on which shaft 6| is secured spiral gear 62; Spiral gear 62 drives conjugate gear 63, which conjugate gear drives shaft 64 to which shaft is secured belt pulley 65 70 which carries and operates adhesive supplying protrude out of the adhesive pot and are adjustable by means of screws and nuts 11. Adhesive supply belt 66 contacts with adhesive roller 68 in its down stroke; it enters'the adhesive in the adhesive pct 68 on its down stroke and leaves the 5 adhesive on its up stroke, and passes through inner scraper 69 and adjustable outer scraper 16, which is secured by screws 1| and slots 12. after being adjusted, the scraper having slots 12 for adjusting purposes (see Figs. 1, '7, 31 and 32).

13 is the adhesive roller scraper which may be adjusted with reference to said roller for determining the thickness of adhesive desired on the same; this adjustment is accomplished by means of mounting said scraper on one edge in bearings, and moving the other edge by means of pushand-pull adjusting screw 14 (see Fig. 32), into which screw the edge of the scraper travels and by the longitudinal movement of which screw the edge of the scraper moves in and out.

The paste-roller is suplied with adhesive by supply-belt 66. No means is shown for regulating the supply-belt against the adhesive-roller, except by the tightness of said belt, which accomplishes the desired adjustment. A superfluous amount of adhesive may be supplied, if the various scrapers permit. The tightening of the supply belt is shown by means in Figs. 1 and 31, by tightening the loose pulley in the adhesive pot by means of screws and nuts 11.

On the end of shaft 44 is secured cam 18, provided with cam race 19, and in which operates cam roller 86, which roller operates lever 8|; lever 8| operates connecting link 82 which is connected to lever 83, and on one end of lever 83 is secured a shaft 84 on which freely revolves transfer adhesive roller 85.

The cam-race in cam, 18 is shaped to control cam roller 86 sothat transfer adhesive roller 85 does not contact on its return stroke after applying adhesive to the pad 86, and on its applying stroke contacts with the pad and continues to traverse the pad in a parallel motion with the pad while the same is being carried by main table 49, and is timed to apply adhesive to said pad in its idle movement away from the container (see Figs. 8, 9, 16', 11, 12, 31 and 32).

Pad 86, as shown in Figs, 28 and 29, is of peculiar construction. I have found that sponge rubher, at least 1 inch thick, provided with openings 5T) or holes 81 therein, positioned preferably near the rear or furthest from the pasteapplying surface, and near the rear of the central portion, not more than A of an inch apart, forms an extra resilient appliance. .Pad 86 is mounted on a back- 1 ing 88, preferably by gluing onto a metallic surface, the carried member being 86 and carried by bracket 89 which is adjustably secured to main table 49 by means of slots 96 and screws 9|. Pad 86 has a smooth rubber surface on its pasteapplying surface. In the experimental machine this surface was obtained by applying what is known in the trade as floating rubber stock, a fairly pure rubber glued to the surface of the sponge rubber, of thin body, using a surface approximately less than of an inch thick. This pad, as described, has holes near the carrier plate 68, which holes have been found satisfactory if they are V inch in diameter, which leaves considerable of the pad on the adhesive-applying side, say of an inch. The weakening of the pad with these openings permits the pad to accommodate itself to bulging-face containers; in fact, this pad will paste very irregular faced containers.