MOVEABLE COVER PLATE DRIVER UNIT OF THE MECHANICAL TURN-UP BUILDING DRUM

Abstract

A movable cover plate drive unit for the mechanical turn-up building drum, which including guiding plate, end cover, movable cover plate, fixed cover plate, cylinder, rotary ring and several turn-up bars, wherein the moveable cover plate is to connect with the slot ring of cylinder through pin shaft I and is able to rotate around the pin shaft I, and the moveable cover plate is to connect with the rotary ring through the pin shaft II, which is located inside the outboard groove of rotary ring; needle cylinder is fixed on the rotary ring, the piston rod of needle cylinder is connected with slot ring by pin shaft I, and the piston rod of the needle cylinder move reciprocating, which drives the rotary ring turning relative with the slot ring, as well as open/close the moveable cover plate via the pin shaft II. The positive result includes: reasonable design structure and lower difficulty on machining and assembly, the moveable cover plate and slot ring move separately, in order to facility to control, shorter driving chain of the movable cover plate improves the structure more stable, and the slot ring is able to completely separate from the moveable cover plate in facility to the further maintenance.

Claims

1. A movable cover plate drive unit for the mechanical turn-up building drum, which including guiding plate, end cover, moveable cover plate, fixed cover plate, cylinder, rotary ring and several turn-up bars, wherein between the guiding plate and end cover in axial is mounted with the cylinder, which is composed of a barrel, a piston and a slot ring, and the said fixed cover plate is to fix on the outer circumference of the slot ring, and the said fixed cover plate is to fix on the outer circumference of the slot ring, and at the end of the said slot ring is mounted with rotary ring, which slides in axial along with the said barrel by driven bearing via the said slot ring, characterized in that, the said moveable cover plate is to connect with the said slot ring of cylinder through pin shaft I, as well as able to rotate around the pin shaft I, and the said moveable cover plate is to connect with the rotary ring through the pin shaft II, which is located inside the outboard groove of rotary ring, and on the said rotary ring is fixed with the needle cylinder which is to connect with the said slot ring at the end of piston rod through the pin shaft I, wherein the said piston rod of the needle cylinder moves in shuttle, which drives the said rotary ring so as to turn relative with the said slot ring, as well as open or close the said moveable cover plate via the pin shaft.

2. The movable cover plate drive unit for the mechanical turn-up building drum of claim 1, characterized in that, at the inboard of the said moveable cover plate is fixed rotary ring and fixed ring, and the said rotary ring is to connect with the said pin shaft I, and the said fixed ring is to connect with the said pin shaft II.

3. The movable cover plate drive unit for the mechanical turn-up building drum of claim 2, characterized in that, the said rotary ring is J shape, the round hole at the bottom of J-shape rotary ring is to set on the outer circumference of the said pin shaft I, and one end of the said pin shaft I is fixed on the end face of the said slot ring.

4. The movable cover plate drive unit for the mechanical turn-up building drum of claim 2, characterized in that, at the inboard of the said moveable cover plate is fixed with the fixing ring, which is connect with the said pin shaft II, and the end of the said pin shaft II is located inside the outer groove of the said rotary ring.

5. The movable cover plate drive unit for the mechanical turn-up building drum of claim 3, characterized in that, the said needle cylinder is fixed on the end face of the said rotary ring, and the needle cylinder is to connect with the said rotary ring through the short pin.

6. The movable cover plate drive unit for the mechanical turn-up building drum of claim 5, the said the needle cylinder is to be controlled by the independent air supply.

7. The movable cover plate drive unit for the mechanical turn-up building drum of claim 6, when the said moveable cover plate close, the said moveable cover plate and the said fixed cover plate form a complete column, and pack the said turn-up bar inside the column, so as tire building machine can apply rubber and stitching rubber on this column surface, and when the said moveable cover plate open, the said moveable cover plate is located inboard of the said fixed cover plate, and the roller of the said turn-up bar exposes for turn-up.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is the structure of cylinder on the moveable cover plate drive unit of the mechanical turn-up building drum of the invention.

[0015] FIG. 2 is the structure of Moveable cover plate of the invention at close status FIG. 3 is the FIG. 2 in left view of the invention (exclude the guiding plate).

[0016] FIG. 4 is the mounting structure for the needle cylinder of the invention.

[0017] FIG. 5 is the structure of the movable cover plate of the invention at open status, with the turn-up bar exposed.

[0018] FIG. 6 is the FIG. 5 in left view of the invention (exclude the guiding plate).

[0019] As shown in FIGS.: 1. Guiding plate, 2. turn-up bar, 3. fixed cover plate, 4. movable cover plate, 5. cylinder, 6. piston, 7. slot ring, 8. cylinder barrel, 9. drive bearing, 10. rotary ring, 11. pin shaft I, 12. pin shaft II, 13. needle cylinder, 14. air tube, 15. pneumatic joint I, 16. pneumatic joint II, 17. pneumatic joint III, 18. short pin, 19. rotary ring, 20. the fixed ring, 21. end cover.

DETAILED DESCRIPTION

[0020] For better understanding of the purpose, technical solution and advantage of the present invention, the invention is further illustrated in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only for explanation and not for limiting the scope of the present invention.

[0021] As shown in FIG. 1 and FIG. 2, The movable cover plate drive unit for the mechanical turn-up building drum is to be composed of guiding plate 1, turn-up bar 2, fixed cover plate 3, movable cover plate 4, cylinder 5, rotary ring 10 and end cover 21. Between the said guiding plate 1 and end cover 21 axially is mounted with cylinder 5, which includes the piston 6, the slot ring 7 and the barrel 8. The said fixed cover plate 3 is to fix on the outer circumference of the slot ring 7. At the end of the said slot ring 7 is mounted with rotary ring 10, which slides in axial along with the barrel 8 of cylinder driven by bearing 9 via the said slot ring 7.

[0022] As shown in FIG. 3, FIG. 4 and FIG. 6, the said moveable cover plate 4 is to connect with the said slot ring 7 through pin shaft I 11 as well as able to rotate around the pin shaft I 11. The said moveable cover plate 4 is to connect with the rotary ring 10 through the pin shaft II 12, which is located inside the outboard groove of rotary ring 10.

[0023] In a class of this embodiment, at the inboard of the said moveable cover plate 4 is fixed rotary ring 19 and fixed ring 20. The said rotary ring 19 is to connect with the said pin shaft I 11. The said fixed ring 20 is to connect with the said pin shaft II 12.

[0024] In a class of this embodiment, the said rotary ring 19 is J shape; the round hole at the bottom of J-shape rotary ring is to set on the outer circumference of the said pin shaft I 11, and one end of the said pin shaft I 11 is fixed on the end face of the said slot ring 7.

[0025] At the inboard of the said moveable cover plate 4 is fixed with the fixing ring 20, which is to connect with the said pin shaft II 12. One end of the said pin shaft II 12 is located inside the outer groove of the said rotary ring 10.

[0026] As shown in FIG. 4, on the end face of the said rotary ring 10 is fixed with the needle cylinder 13 which is to connect with the said slot ring 7 at the piston end through the pin shaft I 11. The said piston rod of the needle cylinder 13 move in shuttle, which drives the said rotary ring 10 so as to turn relative with the said slot ring 7, as well as open or close the said moveable cover plate 4 via the pin shaft II 12.

[0027] In a class of this embodiment, the said needle cylinder 13 is fixed on the face of the said rotary ring 10; the needle cylinder 13 is to connect with the said rotary ring 10 through the short pin 12. The said the needle cylinder 13 is to be controlled by the independent air supply.

[0028] When the said moveable cover plate close, the said moveable cover plate 4 and the said fixed cover plate 3 form a complete column, and pack the said turn-up bars inside the column, so as tire building machine can apply rubber and stitching rubber on this column surface (see FIG. 2 and FIG. 3). When the said moveable cover plate open, the said moveable cover plate is located inboard of the said fixed cover plate, and the roller of the said turn-up bars exposes for turn-up refer to attached drawings 5 and 6. By using of this invention, Moveable cover plate drive unit of the mechanical turn-up building drum, it can realize the application, stitching and turn-up for carcass.

[0029] In case of applying, the needle cylinder 13 extends out. The sail slot ring 7 turns relatively with the said rotary ring 10. The moveable cover plate 40 close, and then the moveable cover plate 4 and the fixed cover plate 3 form a complete column. Under the action of cylinder 5, the slot ring 7 drives the said fixed cover plate 3 and the moveable cover plate 4 moving towards the guiding plate, as well as the fixed cover plate 3 and the moveable cover plate 4 are against tightly the end face of the guiding plate 1, as shown the FIG. 2 and FIG. 3, and in this case it is able to perform the application and stitching.

[0030] In case of turning-up, under the action of the cylinder 5, the slot ring 7 drives the said fixed cover plate 3 and the moveable cover plate 4 moving away from the guiding plate 1, with the roller of the turn-up bar 2 exposed as shown the FIG. 5. The air come from outside goes into the union II 16 via the air hole of the slot ring 7 through the pneumatic joint I 15 at the tail, and goes into the pneumatic joint III 17 through the air pipe 14 from the pneumatic joint II 16, and then goes inside the needle cylinder 13 through the pneumatic joint III 17. The rotary ring 10 rotates with the piston rod of the needle cylinder 13 retracted. The moveable cover plate 4 is able to rotate driven by the groove of the rotary ring 10 in match with the pin shaft II 12. With the moveable cover plate 4 rotating, it causes the clearance with the fixed cover plate 3, so as to reserve the space for the turn-up bars 2 lifting up as shown the FIG. 6, in order to turn-up.

[0031] At the completion of turn-up, the air come from outside goes into the pneumatic joint II 16 via the air hole of the slot ring 7 through the pneumatic joint I 15 at the tail, and goes into the pneumatic joint III 17 through the air pipe 14 from the pneumatic joint II 16; and then goes inside the needle cylinder 13 through the pneumatic joint III 17. The rotary ring 10 rotates with the piston rod of the needle cylinder 13 retracted. The moveable cover plate 4 is able to rotate driven by the groove of the rotary ring 10 in match with the pin shaft II 12. With the moveable cover plate 4 rotating, it forms a complete column with the fixed cover plate 3. The cylinder 5 changes the direction again. Driven with the slot ring 7, the fixed cover plate 3 and the moveable cover plate 4 move towards the guiding plate 1 so as to form a circular surface to cover the turn-up bars 2, ready for the next application and stitching, as shown FIG. 2 and FIG. 3. The moveable cover plate drive unit of the mechanical turn-up building drum of the invention, is able to cover the roller of turn-up bars, through the rotation and the axial movement of the moveable cover plate; the rotation of the moveable cover plate is to controlled by the independent air supply, and separate from the slot ring in axial, in facility to operation and control, wherein less drive steps so as to shorten the drive chain and improves the stress condition, effectively lower the difficulty on machining and assembly, and the slot ring is able to completely separate from the moveable cover plate in facility to the further maintenance.

[0032] It should be noted that the said embodiments is an example rather than a restriction of the invention. Technical personnel in this field will be able to design a number of alternative embodiments without departing from the scope of the patent.