US1938231A - Pipe making machine - Google Patents

Description

Dec. 5, 1933.

18. J. UKROPIIINA 1,938,231

PIPE MAKING MACHINE Filed Nov. 3, 1931 2 Sheets-Sheet 1 WW INVENTOR. .B.J. UKROPINH. f r R BY ATTORNE Y.

Dec. 5, 1933. B. J. UKROPINA PIPE MAKING MACHINE Filed Nov. 3. 1931 2 Sheets-Sheet .2

INVENTOR. B4]: UKROPINR.

ATTORNEY.

Patented Dec. 5, 1 933 NT] OFFICE YPIPE MAKING MACHINE I Bozidar J. Ukropina, Los Angeles, Calif. Application November's, 1931. Serial No. 572.788 7 This invention relates to improvements in pipe making, machines. l The general object of the invention is to provide an-improved machine ior making pipes of 5 concrete-or other plastic material. 7 1 i Another object of the invention is to providea device for lining metal cylinders with a plastic material. a

A further object of the invention is to provide 10 an improved means for shaping the interior of i "Fig. 5.

a. pipe which has been made of plastic material. Other objects and the advantages. of my invention will be apparent from the following descriptiontaken in connection with the accompanying drawings wherein:

Fig. 1 is the topplan view of a'machine embodying features of my invention. t

Fig. 2 is, an enlarged fragmentary side elevar tion ofthe bucket partly in section, showing the slurry remover in .anoperative. position.

. Fig. 3 is an end view, of the packer head.

Fig. 4 is a view similar to Fig. 2" showing a modified form ofpacker-head.- i

Fig.5". is :an end view-of Fig.- 4, and Fig. 6 :is a section taken-on, line 66 of Referring vice 10 comprises a mold spinning portion which is indicatedgenerallyat 12 and includes a supporting framework. on which I provide spaced mold supporting portions which-are indicated generally at 14, each ofwhich are similar. In

. ably formed'in a cylindrical metal shell 15 which vide mechanism which includes clamping frame 7members 23 andendless belts 48 which are supported by suitable pulleys'dri'ven from a drive shaft 36..

Theclamping frames 23 are releasably secured by means which include hand wheels 60. e

For rotating the drive shaft 3611 provide a sprocket wheel or other suitable member 61 which may be driven from any suitable source.

For placing concrete or other plastic material in the-mold 15, I- provide abucket member 65 which is mounted on a plate 166 securedto ,a face plate 67. The face plate 67 is secured to ashaft 68 which is rotatably mountedinbearings 69 on" a car 10. The'car' 70'i'ncludeswheels 71 Adjacent the'end of thebucket 65 opposite tothe -drawings by reference charactors, I have indicated my: improved pipemakingmachine generally at 10.; As shown thedewhichare adapted to operate on rails '72. The

car 70 is preferably self propelling and for. this purpose I provide amotor 73 which may be ei- 'ther electrically or air operatedand is shown as adapted to drive a sprocket 74 through the me-"- dium of, a transmission .mechanism 75. The sprocket 74 drives asprocket 76 which is secured to one ofthe wheel shaftsg'l'l through the medium of a sprocket chain '78.

car 70, I provide abracket 79 having an annular flange 80 thereon extending outward from the end of thebucket and having a threaded stem. 81 also extending outward from the end of the bucket. m"

Surrounding the, stem 81., I provide an expandingpacking'head 82. As shown the packing head'82 is annular and comprises two sections, onesection8 3 engaging the flange 80 of thebracket 79 and anothersection 84 engaging the section 83. Each of. the sections 83 and .84 are made up of a plurality of individual segments and thejoints 85 of the segments of thesection 84 are positioned intermediate the j0in'ts86 of the segments of the sections 83 as clearly shown in Fig. 9. v

For retaining the sections 83 and'84 in.posi' -tion, v provide-a-plurality of studs .87' on. the

flange 80; The sections-83 and 84 are each pro- ;vided with a plurality of elongated apertures .88 in whichthe shanks ofthe-studs 87 are positioned. 7v v i Adjacent the outer face of the section84, I

.provide a ring -89 Which is'mounted on the studs .87 and forretaining thering 89. i position t I 90 are positioned thestuds 'For expanding'thepackerhead 82, I provide a'conicallyshaped member 91 which isfposi- .onureduced threaded ends of tione d on the stern 81 and is freely movable thereon. Rotatably connected to themember 91 as at '92. I provide .ahand wheel 93 which has threaded engagement with thestem 81.

Th'einnei ends of the segmentsof. the sections 83 84v ,are'arcu ate as at 94 to conform to the shape ofthe conical membersll and en- ;gage themember 91. For'resiliently urging the segments of the section 83into engagement with the member 91-, I provide a plurality of coiledsprings 95. One end of each spring is connected to asegment and'the opposite endsare anchored to the flange 80. Similarcoiled springs 96 are connected to the segments ofthesection v 84 andanchored tothe ring :89. e

Fromthe foregoing it will be apparent that when the-hand wheel 98. is rotated to move the .member 91 towards the bucket the segments ofsitedirection'the member 91 will move away 1 2 the from the bucket and thesprings 95 and 96 will move the segments inwardly.

Spaced in the rear of thepacker head 82, I provide a slurry remover which is indicated generally at 98. As shown the slurry remover 98 includes a box-like scraper 99 which includes ascraper edge 102 which is adapted to remove the slurry from the inside of the pipe and the curved portion is adapted to direct the slurry into the bucket when the slurry remover 98 is in an operative position.

Extending outwardly from the portion ,99 towards thecar 70, I provide an inclined guide member 193. Links 104 are pivotally connected adjacent one end to theportion 99 as at 105 and are pivotally connected adjacent their opposite ends as at 106 to a plate 107. Acoiled spring 108 anchored to the plate 107 at one end ment of theportion 99 in one direction I provide astop member 109 on the plate 107. The plate 107 is provided with anarm 110 which is secured to ashaft 112 which extends parallel with the bucket and is mounted in bearings 113 secured to-the bucket and in the bucket plate 66.

For turning theshaft 112, I provide ahandle 114 which is positionedadjacent the bucket plate 66 and for securing theshaft 112 in an adjusted position I providea'set screw 115 on the plate 66.

'Thusit will be apparent that when theshaft 112 is turned in one direction the slurry remover will be moved from an inoperative position to an operative position as shown in Fig. 2 and when theshaft 112 is turned in the opposite direction the slurry remover will be moved from an operative position to an inoperative position.

The slurry remover 98 when in an inoperative position is preferably housed in acompartment 116 which is formed in the bucket by atransverse partition 117.. i

In operation the mold 15 is positioned on thebelts 48 of themold section 12 as previously de- 3 scribed and power is applied to the drive pulleys 35 to thereby rotate the mold 15. The slurry remover 98 is moved to a retracted position as previously described and the bucket is filled with concrete from a suitable hopper and the Thebucket 65 may be inverted in any suitable manner but I have shown this as adapted to be done by amotor 119 which is adapted to drive asprocket 120 secured to theshaft 68 through "the medium of a sprocket chain 121 and asprocket 122. 'After the concrete has been disthen the car is movedaway from the mold,

thereby moving the packing head through the mold. When the packing head reaches the water ring at the opposite end of the mold the car '70 is reversed and run towards the mold thereby moving the packing head through the mold in a reverse direction to its starting position. As the packing head is thus moved through the mold it packs the concrete to the desired interior diameter.

After the packing head has traveled through the mold and returned to its starting position an operator rotates thehand wheel 93 to move themember 91 away from the bucket whereupon thesprings 95 and 96 retract the segments of the packer. The operator then increases the rotating speed of the mold and moves the slurry remover 98 to an operative position as previously described and shown in Fig. 2 and runs thecar 70 away from the mold thereby moving the slurry remover through the pipe.

As the slurry remover 98 travels through themoldthe edge 102 thereof removes the slurry from the interior of the pipe and the portion 101 directs it into thecompartment 116 of the bucket. If the mold 15 includes water rings 15 at the ends which extend inwardly beyond the inner surface of the pipe the guide member 103 of the slurry remover will ride under the water rings and force thebox portion 99 downward against the action of thespring 108 when the slurry remover approaches the water ring.

After the slurry has been removed from the pipe thebucket 65 is moved away from the mold and the bucket is inverted to discharge the slurry from the compartment 16 into any suitable drain device. The mold 15 is then removed from themold section 12 and the device is ready to form another pipe.

In Figs. 4, 5, and 6, I have indicated a modified form of packet head generally at 125. As shown thedevice 125 includes a supportingmember 126 which is secured to the end of thebucket 65 and has projecting outwardly therefrom a threadedstem 127. The supportingmember 126 further includes an undercutchannel portion 128 in which are positioned an upwardly extendingarm 129 and a downwardly extendingarm 130. Thearms 129 and 130 are 'each provided withelongated apertures 131 through which the'stem 127 projects.

For moving thearms 129 and 130 in opposite directions to expand the packer head I provide a conically shapedmember 132 which is positioned on thestem 127 and is freely movable thereon. Rotatably connected to themember 132 as at 133, I provide ahand wheel 134 which has threaded engagement with thestem 127.'

The upper endof theaperture 131 in the arm 129- is adapted to engage themember 132 and the lower end of theaperture 131 in thearm 130 is adapted to engage themember 132.

For r'etainingthearms 129 and 130 in cor- 'rect engagement with themember 132, I provide a plurality ofcoiled springs 135 which are secured at one end to thearm 129 and at the opposite end to thearm 130. Thearm 129 is provided with anenlarged head 136 which is arcuately shaped to conform to theinside diameter of a pipe which it is adapted to act upon. The front and rear faces of thehead 136 are tapered as at 137 and the head is provided with anelongated aperture 138. Positioned in theaperture 138, ,I provide atrough 139 which extends downwardly toward thebucket 65.

Positioned on thearm 130 and in the undercutchannel portion 128, I provide aplate 140 which includes anenlarged head 141. Thehead 141 is arcuately'shapedsimilar tothe head 136 and includes similarly tapered faces 142. Theplate 140 is provided with anaperture 143 in which acam member 144 is positioned. Thecam memher 144 is rotatably mounted on the 'arm 130 and is provided with anoperating handle 145.

When the modified form ofpacker head 125 is used in making pipe the mold 15 is filled as previously described. The car '70 is then run away from the mold until thepacker head 125 is positioned to the inside of the water ring and the car is stopped. An operator then moves thearms 129 and 130 outwardly by rotating thehand wheel 134 in a direction to move theconical member 132 towards the bucket. When the packer heads 136 and 141 have been moved to the correct positions the car is run away from the mold moving the packer head through the mold, thereby packing the concrete to the desired diameter.

When the packer head reaches the opposite end of the mold thecar 70 is reversed and run towards the mold moving the packer head through the mold again to its initial position. An operator then turns the cam handle 145 from the full line position in Fig.5 to the dotted line position thereby raising thelower packer head 141 out of contact with the interior surface of the pipe. The mold is then speeded'up and the car '78 is run away from the mold thereby movingthe packer head through the mold. As the packer head travels through the mold this time the head136 removes the slurry from the interior of the pipe and directs it into thetrough 139 which discharges into a compartture 13S therein into thetrough 139 and thence .into the bucket compartment l l'l.

After the slurry has been removed from the pipe an operator rotates thehand wheel 134 in a direction to move the conical member away from the bucket whereupon thesprings 135 move thearms 129 and 130 towards each other to a contracted position. Thereafter thebucket 65 is moved away from the mold and inverted to discharge the slurry from thecompartment 147 into any suitable drain and the mold is removed from themold section 12.

From the foregoing description it will be apparent that I have provided a novel pipe making machine which is simple in construction and eflicient in use. g

Having thus described my invention, what I claim is:

1. In a packer head, means to support said packer head for movementinto and out of said mold, a packer head being circular and including two abutting sections, said sections each including a plurality of radially movable sections, means to support said sections, means to move said sections outwardly and means normally urging said sections inwardly.

2. A pipe making machine wherein means is provided to support and rotate amold and wherein a bucket is movable into and out oi the mold characterized in that a packer head is carried by said bucket, said packer head being each of said sections including a plurality of radially movable segments, means to support said segments, means to move said segments outwardly and resilient means adapted to urge said segments inwardly.

3; In a packer head, means to support said packer head for movement into and out of a mold, saidpacker head including two sections each having head portions, means to simultaneously move said two sections away from' each other, and means to move one of said head portion independent of the other.

4. In a packer head, means to mount the packer head for movement into and out of a mold, said packer head including two sections each having a head portion thereon, means to simultaneously move said two sections; away from each other, means to move one of said head portions independent of the other and means on said other head portion to remove slurry from theinterior of a pipe in a mold and direct said slurry away from the pipe.

5. In a packer head for use in a pipe making machine, a support, a threaded stem mounted on said support, a plurality of packer'head elements, said elements having arcuate peripheries, means to slidably mount each of said elements on said support, each of said elements including a portion disposed adjacent to saidstem, each of said portions including a tapered surface directed towards said stem, a conical member head members, said members being arranged in two sets with the joints of one set staggered with respect to the joints of the other sets,

means to slidably mount all of said members on said support, each of said membersincluding a tapered inner portion, a conical member slidably mounted on said stem and having a surface inclined to correspond with the taper of the said surface on said packer head members, and

means on said threaded stem to move said conical member along the stem whereby said packer head members may be adjusted outwardly and means. to move said members inwardly.

7. In a packer head for use on a pipe making machine, a support, a plurality of packer head elements, means to mount said packer head elements directly on said support, means to move said packer head elements outwardly and other means to move said packer head eleme'ntsinwardly. V h

8. In a packer head for use on a pipe making machine, a support, a plurality of packer head elements, means to mount said packer head elements directly on said support, means to move said packer head elements outwardly,- other means to move said packer head elements inwardly, and a slurry remover'mounted adjacent said packer head elements and adapted to receive slurry when the packer head elements are operated. BOZIDAR J. UKROPINA.

Images