US1870129A - Engraving machine - Google Patents

Description

g- 1932- H. MATZNER ET AL 1,870,129

I ENGRAVING MACHINE v Filed June '7, 1930 3 Sheets-Sheet 1 INVENTORS @1214 Mfr/761' /lfzzfiaelj rarzz' BY Arrokusv 3 Sheets-Sheet 2 I A A A k 3. .11111111111111111111111111111111111111111111111111111/14 .111 .1111/11111111/ 11111111 .1111111111111111/11111111111111111111111155111111 11111111111 1111111111111111111v111111 4 1%.. 3 MN \N m mvgnys jig man afzizrr 62/246! T4772 BY WW6. ATTORNEY ENGRAVING MACHINE Filed June 7, 1930 Aug. 2; 1932. H. MATZNER ET AL mm mm ww I MN N wmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm mm Emmi Q WITNESSES 2, 1932- H. MATZNER ET AL 1,370,129

ENGRAVING MACHINE Filed June '7. 1950 5 Sheets-Sheet 5 6 INVENTQRS WITNESSES a ATTORNEY Patented Aug. 2, 1932 pmreo sabre-s serene QFF'ICE HYMAN MATZNER AND MICHAEL FRANZ, OF NEW YORK, N. Y.

ENG-HAVING MACHINE Application filed June 7, 1930. Serial No. 459,758.

This invention relates to engraving machine,'sometimes' known as engine turning,

machines, the object being to provide an improved construction whereby an article may i be turned or engraved completely in one continuous operation.

Another object of the invention is to provide a machine which vwill engrave any article formed of metal, glass or any otheren- 1o gravable material, the engraving being completed as thearticle passes from one end of the machine to the other.

A further object of the invention, more I specifically, is to provide an engraving ma- 1'. chine known as an engine turning machine wherein a number of engraving members are used and are positioned to operate independently on an article as it passes through the machine, so that different engraving matter will be provided as the article travels through the machine so that when it is discharged it e is complete as far as the engraving is concerned.

In the accompanying drawings Figure 1 is a top plan view of a machine disclosing an embodiment of the invention; Figure 2vis aside view of the machine shown inFigure 1;

Figure 3 is an enlarged fragmentary sectional view'on line 33;

Figure 4 is an enlarged detailed sectional fragmentary view through Figure 1 on the line 4lt; I y s Figure 5 is a fragmentary end view of a l modified arrangement of controlling cams to that illustrated in Figure 4;

Figure 6 is a sectional view through F igure 5 on the line 6'6;

Figure 7 is a plan view of an article which carries shafts 3 and 4, shaft 3 being rigidly secured to drum 5, while shaft 4 extends loosely through drum 6 so that drum 6 may reely rotate on the shaft when the carrier moves. Drum 5 has a hand wheel 7 rigidly secured thereto, and in additionit is provided with a clutch 8 actuated bya lever 9. Une side of the clutch 8 carries a sprocket wheel 10 accommodating the sprocket chain 11. Sprocket chain 11 also passes over the sprocket wheel 12 rigidly secured to shaft 4 so that when the machine is running normal- I ly shafts 3 and 4 will operate at the, same speed and, consequently, drums 5 and 6 will operate at the same speed. 80

The parts may be driven by any suitable source of power, but in View of the fact that the belt and certain other parts hereinafter fully described must be operated very slowly a comparatively large worm wheel 13 is rigidly secured to shaft 4 and isoperated-by a worm carried by the drive shaft 14. An electric motor 15 is connected with shaft 4 through a flexible coupling 16 and through a reducing train of gears carried in the casing 1'. :As the detail structure of these parts forms no part of the present invention it is thought the showing in Figure 1 will be sufficient, the only object being to reduce the speed of the motor 15 so that shaft 4 will rotate very slowly.

l/Vhen it is desired to move the belt'18 at a comparativelyhigh rate of speed, clutch 8 i is opened and hand wheel 7 is used. .This is done to adjust the belt, or rather to shift the position of certain parts preliminary to start; ing the operation of the machine, so that the first article 19 to be engraved willbe -ad-' jacent the drum properly set it is only necessary to place the article to be engraved in position adjacent drum 5,-and it will be moved grad- I ually along and engraved at difi'erent. places until the engraving has been completely fin After the belt has been g ished, after which the article is automatically discharged adjacent the drum 6.

In order to properly support and hold in proper position the various articles 19, an endless carrier is provided and held in proper place by guides hereinafter fully described The carrier consists of the belt 18, a number of cross bars 21, an anti-friction roller 22 at each end of each cross bar, and gripping members 23. The gripping members are arranged in pairs and are adapted to grip the various articles 19 as shown particularly in Figure 3, whereby these articles are carried along by the carrier 20. The belt 18 is maintained tight at all times but in order that there will be no sagging or lateral shittinx of any part of the carrier frame 1 is provided with a bed 2 over which the belt 18 slides, as shown in Figures 3 and 4.

As shown particularly in Figures 1 and 4 there are provided side guides 24 and 25, said guides being rigidly secured to the frame 1 in any desired manner. The various rollers 22 are adapted to engage these guides so as to prevent any endwise motion of the bars 21 while the bed 2 prevents any sagging of the carrier. In this way the various articles 19 are held rigidly in position but are moved along beneath the various engraving mem bers hereinafter fully described.

It will be noted that different articles may be engraved in different ways, but it will be understood that in any article sutlicient engraying is applied thereto to complete the A design intended, while the article is passing through the machine once.

Heret-ofore, to make a completed design it was necessary to cut into the article a line at a time until the completed design, which sometimes consisted of fifty or seventy-five lines or more, was finished, but in the present invention it is intended to place all engraving on an article as the article passes over the machine for the first time.

In order to accomplish this result there are provided a number of sliding frames 26. In

the accompanying drawin six of these frames have been shown but it will be understood that a greater or less number of these can be used without departing from the spirit of the invention. These frames may be made in any desired way but preferably with two side or clamping bars 27 and 28 and end spacing bars 29 and 30. Bar 23, as shown in Figures 1 and 4, extends beyond bar 27 and is provided with a pin 31 carrying a roller 32 adapted to fit into the camway 33 of the cam wheel 34. It will be noted that all the sliding frames 26 and associated parts are identical, and, therefore, the description of one applies to all.

bar 35 adapted to be clamped against movement by pins 27 and 28 when the respective set screws 36 are tightened. These set screws are carried by encircling ring members 37 which are slidably mounted on the bars 27 and 28. A pair of pins 38 are secured to each of the supporting bars 35 and to the guide bar 39. Each of the guide bars 39 is provided with a slot or opening 40 therein adapted to receive a number of the cutter holders 42. The cutters 43 carried by these holders are preferably diamonds although other forms of cutters may be used without departing from the spirit of the invention. Vhen there are not enough cutter holders 42 to fill the opening40, filling blocks 44 are provided, said blocks being held in place by suitable set screws.

The cutter holders 42 are slidably mounted in guide bar 39. but the friction is sufficient to hold these holders in any position in which they are left. However, in order to project these holders downwardly suliiciently to cause the cutters 43 to function. a spring 45 is provided for each holder, said spring being l'JfefQlftbly in the nature of an endless elliptical structure, as shown in Figure 3. The upper and lower part of these springs are adapted to fit into notches in the supporting bar and in the holders 42 respectively, as illustrated in Figure 4.

It will be evident that if the sliding frame 26 is held stationary and the article 19 is moved beneath the cutters 43 a straight line will result. In the accompanying drawings nine cutters are shown in Figure 4 and, consequently, there will be nine lines cut by this particular group of cutters. The next group of cutters may be more or less and may be offset from the first group of cutters, or may be arranged in line therewith. Usually succeeding cutters are offset so that each individual cutter will make a line of its own. To secure the design which is other than straight lines the cam wheels 34 come into action and move the sliding frames 26 back and forth according to the shape of the cam grooves 23. This will vary the action of the cutter so that instead of straight lines it will cut a wavy line, a zig-zag line or some other shape of line. A sample cam groove 33 is shown in Figure 4 but it is evident that other forms of cam grooves could be used and, therefore, a large variety of designs can be produced.

As a modified structure, instead of using the cam wheel 34, as shown in Figure 4, and elsewhere in the drawings, the structure shown. in Figures 5 and 6 can be used. In this latter structure the cam wheels 34 are each formed with a cam groove 46 and the respective wheels 32 coact therewith as in the preferred form of the invention. The shaft 47 used for driving the cam wheels 34 rotates loosely in the cam wheels 34, but the cam wheels 34 are actuated by the link 48 pivwith bevel wheel 60.

otally connected at 49 to the respective cam wheels and adjustably connected at 50 to a driving wheel 51. It will be noted that preferably there is a driving wheel 51 for each cam wheel 34. Thedriving wheel 51 is ad justably mounted on the drive shaft Shaft 52 carries a sprocket wheel 53 driven by a chain 54; which chain passes over the sprocket wheel 55 rigidly secured to shaft 47. By reason of this structure the respective cam wheels 3% merely move back and forth and by adjusting the connection 50 the design may be Varied to quite an extent. If it is desired to adjust the design still further one or all of the wheels 51 may be rotated around shaft 52 for a certain distance and then secured in place, whereby the back and forth motion of link 48 will cause a different part of the cam groove 46 to function.

Referring particularly to Figure 2 it will be seen that the power shaft 47 is r gidly secured to a bevel gear 56 and is continually meshing with bevel gear 5. carried by the Shaft and supported by bar 58. Said shaft carries a bevel gear 59 continually meshing Bevel wheel 60 is rigidly secured to shaft l so that the movement of shaft 4'? is in a certain ratio to the movement of the drum 6.

In operation, when the parts n the position shown in Figures 1 and 3, for instance, all that is necessary to do is to turn on the current in the motor 15 and the carrier 20 will begin to move and the other parts will begin to function. As the different parts of the carrier pass around the drum 5 the clamping member 28 will be spread apart somewhat so that one of the articles 19 may be readily placed in position by hand and held in position until the carrier moves around a short distance or starts to leave the drum 5, whereupon these grip members will close and thereby grip the article 19. This is done as fast as the gripping members come opposite the drum 5. The various articles 19 then travel through the machine and are completely engraved by the time they reach drum 6. As they start to pass around drum '6 the curvature of the drum will cause the gripping members to be opened and the article will drop off from the carrier in a finished condition.

Referring to the cam 34 or to the cam 3%, it will be evident that instead of having irregular shaped cams a circular cam wheel can be provided, whereby the cutters will be held against the article sothat straight lines will be cut in the articles to be engraved. Also other forms of cam grooves may be used besides that shown in Figure a so that different forms of curves or other configurations may be secured.

What we claim is- 1. An engraving machine including a pair of drums, power actuated means for driving saiddrums at the same saeed, a clutch for connecting said power actuated means to one of said drums, a hanc actuated wheel connected to the last mentioned drum whereby when said clutch is opened said hand actuated wheel may move said dr m, an endless carrier mounted on said drums and moved thereby, said hand actuated wheel acting to move said carrier rapidly, and said power actuated means acting to move said carrier slowly, means on the carrier for clamping an article to the carrier and cutting members arranged inter-mediate the drums and positioned to cut rooves in the articles supported by the carrier as they move from one end of the machi -e to the other.

2. An engraving machine including a movable carrier, a plurality of sliding frames coacting therewith, means on the carrier for holding articles to be engraved, a plurality of sets of cutters, means for connecting one set of cutters to each of said frames, a cam coacting with each frame, said cams individ ually moving said frames whereby the cutters associated with each frame may be caused to successively cut on the articles the same design or a different design according to the shape of the cam used, and means for actuating all of said cans at the same speed.

3. An engraving machine including a traveling carrier, means on the carrier for clamping articles to be engraved, a plurality of transversely moving members arranged above the carrier, a cutter adapted to be connected with each of said members, said'cutters being positioned to cut a line on an article to be engravechsaid cutting action taking place while articles are being moved on the carri-r bene ththe cutters, a cam operatively connecte with each of said members, said cam functioning substantially'in a transversedirection to the movement of the carrier, and means for si-' multaneousiy actuating said cams.

4. An engraving machine for engraving articles, including a traveling conveyor, means on the conveyor for gripping articles to be conveyed, frames arranged aoove said articles, cams for moving said frames substantially tran "Jersely of the articles, a plurality of cutters associated witn each frame andpositioned to operate upon articles carried by the conveyor as the conveyorfunctions, holding mea i said cutters includa spring for resiliently holding the cut ters in functioning position, a single shaft connected with said cams for operating all the cams simultaneously, and means for causing'said conveyor to move in timed relation to said shaft.

5. An engraving machine including an endless traveling carrier, 11 eans on' the carrier for clamping articles to be engraved, a plurality of frames moving substantially transversely of the carrier, said frames being to move said members arranged above the carrier, a cutter for each frame, means for supporting the respective cutters on the respective frames so that as the carrier moves the articles beneath the cutters the articles will be engraved, said cutters supporting means including a spring for each cutter for resiliently holding the cutter in a given position, and means for actuating certain of said "frames at a certain ratio to the movement of said conveyor.

6. An engraving machine including a carrier for supporting articles to be engraved, means for moving said carrier, means arranged above the carrier for engraving the articles as the pattern is actuated, and carrier means for causing the engraving means to out certain lines on the articles being engrayed.

7 An engraving machine including an endless carrier provided with means for clamping articles to be engraved, a plurality of engraving cutters positioned above said carrier and arranged substantially in tandem, said cutters being positioned to engage and cut lines on the articles carried by said carrier, and an independent cam for causing the respective cutters to be moved in a direc tion substantially at right angles to the movement of the articles being engraved while said articles are moving, said cams being movable at the same speed and at different speeds at will.

8. An engraving machine, including a carrier comprising an endless belt, a plurality of transverse bars rigidly secured to the belt, a plurality of pairs of gripping members connected to certain of said bars, means for supporting and guiding said carrier so that there will be no sagging between two points, and engraving cutters arranged above the carrier and positioned to cut the articles carried by said pairs of grippers as said carrier moves along.

9. An engraving machine for engraving flat articles including a carrier provided with pairs of grippers for connecting articles to the carrier, said carrier at each edge having anti-friction members, a flat support for supporting said. carrier between two points so that there will be no sagging thereof, a pair of guides engaging the anti-friction members to prevent any lateral movement of the carrier between said two points, and engraving cutters arranged above the carrier and positioned to cut grooves in articles moved by the carrier while the articles are moving between said two points.

10. An engraving machine for engraving articles. including a carrier provided with pairs of grippers or connecting articles to the carrier, said carrier at each end having anti-friction members, a plurality of cutters, a flat support for supporting said carrier between two points so that there will be no swaying thereof, a pair of guides engaging a single passing through the machine, said cutters being arranged above the carrier and positioned to cut grooves in the articles by the carrier while the articles are moving between said two points.

HYMAN MATZNER. MICHAEL FRANZ.

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