CN213860822U

CN213860822U - Tyre body reverse-wrapping steel wire ring device

Info

Publication number: CN213860822U
Application number: CN202022837948.6U
Authority: CN
Inventors: 季永义; 王艺兰; 伍志翔
Original assignee: Guilin Rubber Machinery Co Ltd
Current assignee: Guilin Rubber Machinery Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-03
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a tire body turn-up steel wire ring device, its turn-up mechanism includes that the circumference equipartition sets up the connecting rod transmission pair in the frid rear side, the frid passes through bearing arrangement and installs on the tailstock main shaft, each connecting rod transmission pair includes push rod, transfer line and ejector pin, the one end hinge of transfer line is in the frid bottom, the one end hinge of ejector pin is in the other end of transfer line, the other end hinge of ejector pin is in "T" type slide bar, "T" type slide bar slidable mounting is in the radial "T" type spout that corresponds to set up on the frid rear side, the kicking block is installed at the top of "T" type slide bar, the one end hinge of push rod is in the transfer line, the other end hinge of push rod is in the piston bush that the built-in cylinder stretches out forward, the built-in cylinder passes through the cylinder block and installs on the tailstock main shaft; the adjacent top blocks are connected by adopting a lap joint structure to form an annular turn-up top surface without intervals. The utility model discloses compact structure adopts the vice annular of making of connecting rod transmission to turn up the top surface expansion range big, and the turn-up is highly target in place.

Description

Tyre body reverse-wrapping steel wire ring device

Technical Field

The utility model relates to a tire preparation equipment specifically is a matrix turn-up steel wire winding device.

Background

When the all-steel radial giant tire is formed, the mechanical reverse wrapping of the tire body is respectively completed by the pulling-out device and the edge covering device.

The mechanical type device of borduring of prior art comprises the finger type pole of a plurality of front end area running rollers, and finger type pole is the umbelliform and opens during the turn-up, and the circumferential distance between the running roller is the grow gradually, and there is the roll-in to be more gradually in the place of matrix more gradually, even there is the spring supplementary between adjacent running roller, nevertheless because running roller and spring are not on same height and the height is uneven, and the distance that the matrix steel wire tip was to the drum center after the turn-up was accomplished differs great, causes harmful effects to product quality.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a can improve product quality's matrix turn-up steel wire winding device to prior art not enough.

The technical scheme includes that the tire body turn-up steel wire ring device comprises a turn-up mechanism, and is characterized in that the turn-up mechanism comprises connecting rod transmission pairs which are uniformly distributed on the circumference and radially arranged on the rear side of a groove disc, the groove disc is arranged on a tailstock main shaft through a bearing structure, each connecting rod transmission pair comprises a push rod, a transmission rod and a push rod, one end of the transmission rod is hinged to the bottom of the groove disc, one end of the push rod is hinged to the other end of the transmission rod, the other end of the push rod is hinged to a T-shaped slide rod, the T-shaped slide rod is slidably arranged in a radial T-shaped slide groove correspondingly formed in the rear side surface of the groove disc, one end of the push rod is hinged to the transmission rod, the other end of the push rod is hinged to a piston sleeve which is provided with an internal cylinder extending forwards, and the internal cylinder is arranged on the tailstock main shaft through a cylinder seat; the top of the T-shaped sliding rod is provided with a top block, and adjacent top blocks are connected by adopting a lap joint structure to form an annular reverse-wrapping top surface without intervals (namely continuous).

Further, the cylinder seat comprises a ventilation sleeve seat arranged on a tailstock main shaft and a ventilation sleeve arranged on the ventilation sleeve seat, an air passage I in the ventilation sleeve seat is externally connected with a compressed air source, and an air passage II and an air passage III in the ventilation sleeve are respectively communicated with an air port I and an air port II on the front end and the rear end of the built-in cylinder body through an air pipe I and an air pipe II.

When the circular reverse ladle is reversely wrapped, the piston sleeve moves forwards to synchronously and radially expand each top block through the connecting rod transmission pair so as to expand the top surface of the circular reverse ladle.

After the reverse wrapping is finished, the piston sleeve moves backwards to synchronously and radially shrink each top block through the connecting rod transmission pair so as to shrink the top surface of the annular reverse wrapping.

The utility model has the advantages that:

1. the utility model discloses in the tire body turn-up steel wire winding device structure, the annular turn-up top surface of expansion can form the support and turn-up the tire body to the steel wire winding, and the annular turn-up top surface of no interval structure can not cause the crooked not in place of tire body steel wire winding and form the difference in height because the interval when turning up the tire body.

2. The utility model discloses in the structure, the expansion range of annular turn-up top surface is big, and turn-up height targets in place.

3. The utility model discloses specially adapted is to the preparation of large-scale tire, but also can adapt to the production to middle and small size tire, even produce small size tire, can not cause the scratch to the matrix yet.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the operation of the embodiment of fig. 1 (shown as the expansion and contraction of the top surface of the annular turn-up).

And (3) identifying the figure number: 1. a push rod; 2. a transmission rod; 3. a top rod; 4. a grooved disc; 5. a T-shaped sliding rod; 6. a top block; 7. an annular turn-up top surface; 8. a bearing; 9. a tailstock main shaft; 10. a built-in cylinder; 10-1 piston sleeve; 11. a ventilation sleeve seat; 12. a ventilation sleeve; 13. a bead ring; 14. a carcass.

Detailed Description

The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The utility model discloses matrix turn-up traveler device is a mechanism of turning up matrix 14 on traveler 13, as shown in figure 1.

The utility model discloses matrix turn-up steel wire winding device, including turning up the mechanism, turn up the mechanism and set gradually from preceding groove dish 4, the connecting rod transmission pair and built-in cylinder 10 backward on tailstock main shaft 9 front end, as shown in fig. 1.

The built-in cylinder 10 is installed on a tailstock main shaft 9 through a cylinder seat, the cylinder seat comprises a ventilation sleeve seat 11 and a ventilation sleeve 12, the ventilation sleeve seat 11 is fixed on the tailstock main shaft 9 in a sleeved mode, the ventilation sleeve 12 is sleeved on the middle rear portion of the ventilation sleeve seat 11, an air passage I is formed in the rear portion of the ventilation sleeve seat 11, the rear end of the air passage I is connected with an external compressed air source through a pipe joint, a front air passage II and a rear air passage III are formed in the ventilation sleeve 12, the air passages II and the air passages III are respectively communicated with an air port I and an air port II on the front end and the rear end of a cylinder body (installed on the rear portion of the ventilation sleeve 12) of the built-in cylinder 10 through a front air pipe I and a rear air pipe II, and a piston sleeve 10-1 of the built-in cylinder 10 is sleeved on the front portion of the ventilation sleeve 12 in a sliding mode at the bottom of the front end of the cylinder body, as shown in figure 1.

The groove disc 4 is arranged at the front part of the ventilation sleeve seat 11 through a bearing 8, the front end of the outer ring of the bearing 8 is limited with a gland (arranged at the front end surface of the groove disc 4) through a top cover at the front end (arranged at the front end of the ventilation sleeve seat 11), the rear end of the outer ring of the bearing 8 is limited with the shaft step on the ventilation sleeve seat 11 and the bottom of the bearing hole of the groove disc 4, the shaft step is also limited at the front end of the ventilation sleeve 12, the front end of the ventilation sleeve 12 is limited by a bearing hole part of the groove disc 4 (namely the bottom of the groove disc 4), radial T-shaped sliding grooves are circumferentially and uniformly distributed on the rear end face of the groove disc 4, T-shaped sliding rods 5 are slidably mounted in the T-shaped sliding grooves, corresponding T-shaped sliding grooves are formed in the tops of the T-shaped sliding rods 5, ejector blocks 6 are mounted on the T-shaped sliding grooves, and adjacent ejector blocks 6 are connected by adopting a lap joint structure to form an annular reverse-wrapping top surface 7 without intervals, as shown in fig. 1 and 2.

The connecting rod transmission pairs are uniformly distributed on the circumference and are radially arranged corresponding to the T-shaped slide rods 5, each connecting rod transmission pair comprises a top-down ejector rod 3, a transmission rod 2 and a push rod 1, one end of the push rod 1 is hinged to the corresponding position at the front end of the piston sleeve 10-1, one end of the transmission rod 2 is hinged to the bottom of the grooved disc 4, the middle rod body of the transmission rod 2 is hinged to the other end of the push rod 1, one end of the ejector rod 3 is hinged to the rod body of the T-shaped slide rod 5, and the other end of the ejector rod 3 is hinged to the other end of the transmission rod 2; the forward and backward movement of the piston sleeve 10-1 can be converted into the expansion and contraction of the annular turn-up top surface 7 through the transmission of connecting rod transmission pairs which are uniformly distributed on the circumference, as shown in figures 1 and 2.

The utility model discloses an operation mode does:

1. when the piston sleeve 10-1 is reversely wrapped, a compressed air source enters the built-in air cylinder 10 from the air port II through the air passage I, the air passage III and the air pipe II, pressure gas acts on the rear end (the rear end positioned in the cylinder body) of the piston sleeve 10-1 to push the whole piston sleeve 10-1 to move forwards, and the piston sleeve 10-1 moving forwards expands the annular reversely wrapped top surface 7 through the connecting rod transmission pair to support the steel wire ring 13 buckled on the edge of the tire body 14.

2. The tailstock main shaft 9 moves forwards to drive the turn-up mechanism to move forwards, so that the turn-up of the steel wire ring 13 by the tire body 14 is realized.

3. And after the reverse coating is finished, the tailstock main shaft 9 moves backwards to drive the reverse coating mechanism to exit the reverse coating position.

4. A compressed air source enters the built-in air cylinder 10 from the air port I through the air passage I, the air passage II and the air pipe I, pressure gas acts on the rear end (the front end in the cylinder body) of the piston sleeve 10-1 to push the whole piston sleeve 10-1 to move backwards, and the piston sleeve 10-1 moving backwards shrinks the annular reverse wrapping top surface 7 through the connecting rod transmission pair to return.

Claims

1. The tyre body turn-up bead ring device comprises a turn-up mechanism and is characterized in that: the turn-up mechanism comprises connecting rod transmission pairs which are uniformly distributed on the circumference and are radially arranged on the rear side of the groove disc (4), the groove disc (4) is arranged on a tailstock main shaft (9) through a bearing structure, each connecting rod transmission pair comprises a push rod (1), a transmission rod (2) and a push rod (3), one end of the transmission rod (2) is hinged to the bottom of the groove disc (4), one end of the ejector rod (3) is hinged to the other end of the transmission rod (2), the other end of the ejector rod (3) is hinged to a T-shaped sliding rod (5), the T-shaped sliding rod (5) is slidably arranged in a radial T-shaped sliding groove correspondingly formed in the rear side surface of the groove disc (4), one end of the push rod (1) is hinged on the transmission rod (2), the other end of the push rod (1) is hinged on a piston sleeve (10-1) which is provided with a built-in cylinder (10) and extends forwards, the built-in cylinder (10) is arranged on the tailstock main shaft (9) through a cylinder seat; the top of the T-shaped sliding rod (5) is provided with ejector blocks (6), and adjacent ejector blocks (6) are connected by adopting a lap joint structure to form an annular turn-up top surface (7) without intervals.

2. The carcass turn-up traveler device according to claim 1, characterized in that: the cylinder base comprises a ventilation sleeve base (11) arranged on a tailstock main shaft (9) and a ventilation sleeve (12) arranged on the ventilation sleeve base (11), an air passage I in the ventilation sleeve base (11) is externally connected with a compressed air source, and an air passage II and an air passage III in the ventilation sleeve (12) are respectively communicated with an air port I and an air port II on the front end and the rear end of a cylinder body of the built-in cylinder (10) through an air pipe I and an air pipe II.

3. The carcass turn-up traveler device according to claim 1 or 2, characterized in that: the piston sleeve (10-1) moves forwards to synchronously and radially expand each top block (6) through the connecting rod transmission pair so as to expand the annular reverse-wrapping top surface (7).

4. The carcass turn-up traveler device according to claim 1 or 2, characterized in that: the piston sleeve (10-1) moves backwards, and the annular reverse-wrapping top surface (7) is reduced by synchronously and radially contracting each top block (6) through the connecting rod transmission pair.