SU1022771A1 - Machine for connecting turns of bead ring from steel strip - Google Patents

Abstract

1. MACHINE FOR CONNECTING ROLLS WITH A STEEL RING FROM A STEEL TAPE, containing a frame with mounted on it a ring support and a staple lock forming unit, made in the form of a vertically movable base, bearing form elements, characterized in that, in order to improve the quality of the connection and automation the process, the machine is equipped with a tape feed mechanism mounted on the frame, the tape segments placed in the common housing, a connecting bracket forming unit and a ring fixing mechanism containing vertically movable grippers and a fixed abutment, thus forming the lock assembly is provided with a bracket fixed on a movable base with a rotary disc mounted thereon freely rotatable spring-loaded rollers, the axes of which are arranged at different angles to the face of the disc. 2. The machine according to claim 2, characterized in that the node forming the connecting bracket is made in the form of a vertical. A movable replaceable punch with a groove and a spring-loaded liner, as well as a vertically spring-loaded knife in contact with the punch.

Description

u to h

This invention relates to equipment for the tire industry.

A device is known for connecting the coils of a side ring of steel tape with connecting brackets, comprising a frame with a movable base mounted on it with a forming element 1.

The disadvantages of the machine are the installation of the connecting brackets on the bead ring manually, the poor quality of the connection due to the lack of adjustment of the length of the ends of the workpiece bracket.

The purpose of the invention is to improve the quality of the connection and automate the process.

The goal is achieved by the fact that the machine for connecting the turns of the side ring of steel tape containing a frame with mounted ring support and a clamp lock forming unit, made in the form of a vertically movable base bearing forming elements, is equipped with a tape feed mechanism mounted on the frame, placed in the general case by the mechanism of the tape section, by the knot of forming the connecting bracket and the ring fixing mechanism containing vertically movable grippers and fixed stop, green-form bracket attached to the lock is provided with a movable base with a rotary disc mounted thereon freely rotatable spring-loaded rollers, the axes of which are arranged at different angles to the face of the disc.

The knot of forming the connecting bracket is made in the form of a vertically movable replaceable punch with a groove and a spring-loaded liner, as well as a vertically spring-loaded knife in contact with the punch.

FIG. 1 shows the stapler, the initial position; in fig. 2 is a sectional view of FIG. one; in fig. 3 is a view along arrow B in FIG. 2; FIGS. 4 shows a view along arrow B in FIG. one; in fig. 5 is a cross-section of the FIG. four; in fig. b - section dd in fig. 3, the initial position of the ring and working bodies; in fig. 7 - the position of the tape after the filing; in fig. 8, 9 and 10 - the sequence of operation of the cutting mechanism and swage; in fig. 11-22 - sequence of operation of the mechanism for forming a lock; in fig. 23 - the initial position.

The machine for connecting the turns of the side rings, of, steel tape contains a belt feed mechanism 1, a cutting and crimping mechanism 2, a lock 3 forming mechanism, a ring 4 turning mechanism, which are located on the frame 5.

The belt feed mechanism 1 mounted on the bed protrusion contains a device 6 for mounting a roll with a metal tape, the correct device 7, a fixed pneumatic clamp 8 and a movable pneumatic clamp 9 mounted on the guides 10 for movement from the pneumatic cylinder 11. The movable pneumatic clamp 9 has movable stop 12, adjustable screw 13 from the handwheel 14.

The cutting and crimping mechanism comprises a shaped body 15, on which a carriage 16 is mounted with a base 17 fixed thereto, a cutting bar 18 and a slider 19, which is mounted so that it can move vertically. On the slider 19 is installed the knife 20, adjacent

to the ends of the base 17 and the cutting bar 18. The slider 19 is pressed in the initial position; spring 21 to the bottom of the groove of the carriage 16 until it stops in the pin 22.

The carriage 16 in the initial position is preloaded by the spring 23 until the knife stops in the rear

the end of the punch 24.

On the housing 15, the grippers 25 are mounted for movement vertically, connected by a cross member 26 and carrying a movable cross member 27 with an eye,

pressed by springs 28 to rings 29 fixed by pins 30 on grippers 25. On housing 15 there is a slider 31 mounted vertically on which a punch 24 is fixed, having several variations in

depending on the size of the ring.

The punch 24 has a stop 32, made in the form of a flat spring, adjustable screw 33, and the liner 34, adjustable screw 35 through the spring 36.

On the housing 15 there is a fixed

stop 37.

The slider 19 with the knife 20, the cross member 27 with the claws 25 and the slider 31 with the punch 24 are driven by the cams 38 and 39 through the figured levers 40, 41 and 42.

The cams 38 and 39 are located on the shaft 43, which can rotate from the actuator 44. The lever 42 is driven by a protrusion on the cylindrical surface of the cam 39.,

The mechanism for forming the lock 3 consists of a movable base 45 on which the guide 46 is fixed. The guide 46 is mounted in the holder 47 connected to the frame 5 of the machine. The base 45 is mounted for vertical movement from the pneumatic cylinder 48 and the return spring 49. On the base 45, a shaft 51 is mounted in bearings 50 with a disk 52 fixed on it, cams 53 and 54, and an asterisk 55.

On the base 45 there are also side pushers 56 and 57 installed in the guides 58 and 59. The pushers 56 and 57 are installed with the ability to move from the cams 53 and 54 through the connecting rods 60 and 61 with the fingers interacting with the grooves of the cams 53 and 54 , pull 62 and 63 and the lever 64. The guide 58 has stops 65, which interact with the bead ring of steel tape and serve to stop the mechanism for forming the lock in the desired position. On disk 52, spring-loaded levers 67 with freely rotating rollers 68 are pivotally mounted on axles 56, levers 67 are connected to a spring 69, the force of which is controlled by wedges 70. The overhang of rollers 68 is adjusted by eccentric stops 71. Shaft 51 is connected to drive 72. Ring turning mechanism 4 consists of two levers 74 hinged on the crossbar 73, pressed against the upper stops (not shown) by springs 75. At the ends of the levers 74, there are figured rubberized rollers 76 driven by a chain 77 from the drive 78. The machine works as follows. The ring 79 is manually or manipulated into the grooves of the replaceable spring-loaded rollers 76. The arms of the grippers 25 are above the ring and do not slightly reach the surface of the ring of any machined height h. The back end of the ring of any width to be machined is always aligned with the base plane E. It also has a lock and the back wall of the groove of the replaceable punch 24. The machine is turned on. In this case, the tape feed mechanism works first, supplying the tape end 9 by the pneumatic clamp 9 to the desired value, specified by the position of the stop 12, into the gap between the upper surface of the stop 37 and the lower surface of the ring (for clarity, the front end of the tape is shown in the forward position). Further on, the cutting and crimping mechanism starts working. The camshaft 43 rotates first through 210 °. In doing so, the grippers 25 lower the ring together with the spring-loaded rollers 76 until the ring stops against the protruding surface of the stop 37. At the same time, the supplied front end of the steel tape is securely clamped between the stop and the ring. . The grippers are driven from the cam 39 through the lever 41 by the crossmember 27. After the ring stops at the upper surface of the stop 37, the cross member continues to move downward for a short distance, compressing the springs 28. Thus, the ring and the end of the steel tape are securely fixed before further operations. The freewheel of cross member 27 provides the versatility of the cutting and crimping mechanism when clamping rings of different section heights h. After the end of the belt is clamped, the movable pneumatic clamp 9 is turned off and fed to the initial position. The fixed clamp 8 is then turned off in order to avoid shifting the tape back. After lowering the grip 25, the staple section follows. This is done by the knife 20, which is led from the protrusion on the generator cam 39, through the lever 42, which abuts the end to the protrusion of the slide 19, while continuing to turn the shaft 43 by 210 °. After the cut, the knife is immediately returned by the spring 21 to the initial position. After cutting the workpiece follows the movement of the slide 31 with the punch 24 upwards. The slider is driven by cam 38 through lever 40. In this case, the staple blank bends around the cross section of the ring on both sides. The punch 24 has a spring-loaded insert 34 for increasing the density of the swage (FIG. 2). The rotation of the shaft 43 by 210 ° is completed. Next, the cycle is used to lower the pneumatic cylinder 48 into the mechanism for forming the lock 3 until the protrusions 65 stop against the surface of the ring clamped by the grippers, on which the stops 65 are not shown. Thus, the lock forming mechanism at any height h of the ring to be machined stops at the level of its surface. Spring 49. reduces the pressure of the pneumatic cylinder to the stops in order to avoid their breakage. Thereafter, the rotation of the shaft 51 through 360 ° is activated. In this case, the side pusher 57, which is led to the base surface, first begins to work against the short end of the workpiece bracket. Further, the side tachchalkel 56, pushing to the right, forms the long end of the staple billet on the end face of the pusher 57. Thus, the ends of the billet are clamped between the ends of the side pushers, then with further rotation of the disk 52, the lock is finally formed by spring-loaded rollers 68. First, the edge of the right end of the billet is bent 45 ° further by 45 °. After that, the pusher 56 is shown to the left, as it interferes with further operations. Then follows a 45 ° bending with a cylindrical roller and a bending roller for the next 45 °. The conical roller pushes the formed lock on the end of the right side pusher, which is then displayed to the right, so as not to interfere with further operations (Fig. 19).

Next, the resulting 45 ° bending is bending and the remaining 45 ° bending with pressing.

The mechanism for forming the lock by the return spring 49 is led upwards from the working area.

The camshaft 43 of the cutting and crimping mechanism is rotated by the remaining 150 ° until completion of a full revolution. In this case, the punch 24 first goes down, and then the grippers 25 are raised.

The spring loaded rollers 76 by the springs 75 together with the ring 79 are raised. The ring thus comes to its original position.

Turns the ring rotation mechanism on. The rollers 76, rotating the actuator 78 at a predetermined angle, turn the ring hanging on them by the step size of the clips, 100-120 mm.

All actuators are controlled by limit switches (not shown). Then the cycle repeats.

When the machine is in operation, a series of adjustments are made.

The lengths of the ends of the billet, affecting the quality of the lock, are adjusted during operation of the machine as follows.

The length of the front end of the workpiece is adjusted on the limb by a flywheel 14, which moves the movable stop 12.

The length of the rear end of the workpiece is adjusted by a screw 33, which presses the spring 32, against which the carriage 16 with the knife rests. Thus, the cutting line is moved along the belt to the outside value. The coarse installation of the cutting line is done when the punch is installed. Each punch has its own rear wall thickness, which sets the carriage 16 with a knife to the desired position.

Since the lock is located near the base plane E, processing of the rings is possible.

with a large range of widths with a minimum of changeover.

Only the punch is replaced, the length of the front end of the workpiece is adjusted and the rear end of the workpiece is precisely adjusted.

When processing rings with different heights h, no adjustment is required, since the mechanism for forming the lock with the following stops 65 is automatically adjusted to the desired position. When processing rings of different widths, it is necessary to change the rollers 76, which are made quick-change.

The rollers have grooves of different widths, corresponding to the width of the processed

rings. The rear wall of the groove of the rollers coincides with the base plane E.

The machine for connecting the turns of the side rings of steel tape allows you to securely connect the turns of the rings, which improves the quality of the tires. The machine allows

automate the manufacturing process of the side ring and increase productivity.

Fig. / Bud 6 figure 5

& :: L.

56 57

I / i

P 11 1EZ1

ig..7

JV CZ3EI

pz

.

..

//z.f/

.//

ig.12

Y / y /

city / j

wz./

FIG, 16

Fig.17

CZZ

Fi2.13

Fig.20

/

te.2 /

Th / y

.J

Claims (2)

1. MACHINE FOR CONNECTING STEAR RING COILS FROM STEEL TAPE, containing a bed with a support for the ring and a knot for forming the lock of the bracket, made in the form of a vertically movable base bearing molding elements, characterized in that, in order to improve the quality of the connection and the machine process, the machine is equipped with a tape feed mechanism mounted on the bed, placed in the common case by a tape cut mechanism, a connecting bracket forming unit and a ring fixing mechanism containing vertices cial movable grippers and a fixed abutment, the forming assembly is provided with the lock bracket attached to the movable base with a rotary disc mounted thereon a spring-loaded freely rotatable rollers, whose axes are arranged at different angles to the face of the disc. 2. The machine according to p. 2, characterized in that the node for forming the connecting bracket is made in the form of a vertically movable replaceable punch with a groove and a spring-loaded insert, as well as a vertically spring-loaded knife in contact with the punch. >