KR100450998B1 - Apparatus for transferring a crt funnel - Google Patents

Abstract

The present invention, a conveying conveyor for transporting a funnel for cathode ray tube, a pair of working beams extending along the neck fusion equipment for fusion bonding the neck to the funnel provided from the conveying conveyor, and a lifting unit for lifting and lifting the working beams and A funnel conveying apparatus for a cathode ray tube having a moving part for moving the walking beams, comprising: a working beam extension extending from one end of each working beam toward a conveying conveyor; A lift provided to be liftable on the transport conveyor to load the funnel on the transport conveyor to be seated on the working beam extension; It characterized in that it comprises a lift drive for lifting the lift. As a result, a funnel conveying apparatus for cathode ray tubes is provided, which prevents a failure of the funnel during the conveyance of the funnel and improves the facility operation rate.

Description

Funnel feeder for cathode ray tube {APPARATUS FOR TRANSFERRING A CRT FUNNEL}

The present invention relates to a funnel conveying apparatus for a cathode ray tube, and more particularly, to a funnel conveying apparatus for a cathode ray tube for conveying a funnel along a neck fusion apparatus for fusion of a neck to a funnel.

A conventional funnel feeder for cathode ray tubes is shown in FIG. 6. The conventional cathode ray tube funnel conveying apparatus has a conveying conveyor 111 for conveying the cathode ray tube funnel 109 and a neck fusion apparatus for fusion of a neck (not shown) to the funnel 109 provided from the conveying conveyor 111. It extends and has a pair of walking beams 131 on which the funnel 109 is seated, a lifting part for lifting the walking beams 131, and a moving part for moving the walking beams 131.

Neck fusion equipment is a process in which the aligner 121, the cutting part 123, the preheater 125, the neck fusion machine 127, the annealing machine 129 for fusion bonding the neck to the funnel 109 is arranged in a line Have

The pair of working beams 131 are parallel to each other at predetermined intervals, and are provided over the cutting unit 123, the preheater 125, the neck fusion machine 127, and the annealing unit 129 of the neck fusion welding facility.

The lifting unit is provided between the lifting unit actuator 155 and the lifting unit actuator 155 connected to the connecting shaft 151 to move up and down, the clamp 147 and the clamp 147 and the working beam 131 at one end thereof. It is connected to 147 and the other end has a plurality of guide rollers 142 for supporting the lower end of the working beam 131. Accordingly, the clamp 147 is lifted and lifted by the guide rollers 143 by the operation of the lift unit actuator 155, and the working beam 131 is lifted.

The moving part includes a motor (not shown) that rotates forward and backward, a sliding part 165 that connects a pair of walking beams 131 and slides along the longitudinal direction of the walking beam 131, and slides power of the motor. And a timing belt 169 that transmits to 165. Accordingly, when the motor rotates forward and backward, the timing belt 169 rotates forward and backward, the sliding portion 165 connected to the timing belt 169 slides back and forth, so that the working beam 131 moves the aligner 121 to align the funnel. To move forward and backward.

On the other hand, the conventional funnel conveying device for cathode ray tube, the loading unit for loading the funnel 109 moving on the conveying conveyor 111 between the conveying conveyor 111 and the working beam 131 to be seated on the working beam 131 171 is provided.

The loading unit 171 may include a transfer arm 172 which is installed on the transfer conveyor 111 so as to be elevated, a pneumatic cylinder 174 supporting one end of the transfer arm 172 and lifting the transfer arm 172, and a transfer. It has an arm moving cylinder 176 for moving the arm 172 to the aligner 121. Accordingly, when the funnel 109 moving on the conveying conveyor 111 reaches the correct position for the neck fusion equipment, the transfer arm 172 is raised by the operation of the pneumatic cylinder 174 to convey the conveying conveyor. The funnel 109 on the 111 is loaded and the transfer arm 172 is moved to the aligner 121 by the arm transfer cylinder 176 so that the funnel 109 loaded on the transfer arm 172 is neck fused. It is seated on the aligner 121 of the installation.

By the way, in such a conventional funnel feeder for cathode ray tubes, since the funnel is loaded on the transfer arm which is lifted by the operation of the pneumatic cylinder, it is difficult to adjust the speed when the funnel is loaded on the transfer arm, and the funnel loaded on the transfer arm is difficult. There is a problem that the defects of the funnel to be conveyed, such as being separated from the transfer arm before being introduced into the aligner of the neck fusion equipment, such that the seal edge surface of the funnel is broken. In addition, since the transfer arm has a structure that is raised and lifted, that is, the transfer arm has a cantilever structure, deflection occurs in one direction, making it difficult to grasp the center of gravity, which causes interference with the transfer conveyor. This causes a problem that the operation rate of the equipment is lowered.

Accordingly, an object of the present invention, according to the present invention, to provide a funnel feeder for cathode ray tubes that can prevent the failure of the funnel during the transfer of the funnel, and can improve the equipment operation rate.

1 is a schematic front view of a funnel feeder for cathode ray tubes according to the present invention;

FIG. 2 is a schematic main plan view of FIG. 1;

3 is a schematic cross-sectional view of the main part of the lifting unit of FIG. 1;

4 is a schematic cross-sectional view illustrating main parts of the moving unit of FIG. 1;

Figure 5 is a front view of the main part of the conveying conveyor of Figure 1,

6 is a schematic front view of a conventional funnel feeder for cathode ray tubes.

* Explanation of symbols for the main parts of the drawings

9: Funnel 11: Transfer Conveyor

20: neck fusion equipment 31: walking beam

33: walking beam extension portion 41: the lifting unit

61: moving unit 71: loading unit

73: lift 75: lift drive

81: lift actuator 85: stopper

The object is, according to the present invention, a conveying conveyor for transporting a funnel for cathode ray tube and a pair of working beams extending along the neck fusion equipment for fusion fusion of the neck to the funnel provided from the conveying conveyor and the funnel is seated; A funnel feeder for cathode ray tubes having a lifting unit for elevating walking beams and a moving unit for moving the walking beams, comprising: a working beam extension extending from one end of each working beam toward the transport conveyor; A lift provided on the conveying conveyor so as to be lifted and lowered to load the funnel on the conveying conveyor and to seat the working beam extension; It is achieved by a funnel feeder for cathode ray tube, characterized in that it comprises a lift drive for lifting the lift.

Here, it is preferable that the transfer conveyor further comprises a stopper for limiting the movement of the funnel.

In addition, the lift drive unit preferably includes an actuator.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic front view of a funnel feeder for a cathode ray tube according to the present invention, Figure 2 is a schematic plan view of the main part of FIG. As shown in these figures, the funnel conveying apparatus for cathode ray tube according to the present invention, the conveying conveyor 11 for conveying the cathode ray funnel 9, and the neck (fundo) to the funnel (9) provided from the conveying conveyor (11) A pair of walking beams 31 extending along the neck fusion fusion facility 20 for fusion welding, and a lifting unit 41 for lifting and lowering the walking beams 31, and a walking beam 31. It has a moving part 61 for moving them.

The conveying conveyor 11 has a plurality of roller shafts 13 for conveying the funnel 9, and the funnel 9 on the conveying conveyor 11 is conveyed by the rotation of the roller shaft 13.

The neck fusion apparatus 20 has a plurality of processes in which various apparatuses for fusion bonding the neck to the funnel 9 are combined. The neck fusing apparatus 20 cuts the aligner 21 which aligns the funnel 9 conveyed from the conveying conveyer 11, and the mole part of the funnel 9 (the area | region of the funnel and a funnel to which the neck is fused). The unit part cutting machine 23, the preheater 25 for preheating the unit part of the funnel 9, the neck fusion machine 27 for fusion of the funnel 9 and the neck, and the funnel 9 in which the neck is fused. It consists of annealing machine 29 for slow cooling, and these sorter 21, the seed part cutting machine 23, the preheater 25, the neck fusion machine 27, and the annealing machine 29 are arrange | positioned in a line.

The pair of working beams 31 are parallel to each other at predetermined intervals, and are arranged to cross the aligner 21, the cutting part 23, the preheater 25, the neck fusion machine 27, and the annealing machine 29. It is. One end of each working beam 31 is provided with a working beam extension 33 extending in length toward the conveying conveyor 11. O-rings 35 (see FIG. 4) are provided at each upper end of the walking beam 31 and the working beam extension 33 to prevent damage to the funnel 9 seated thereon. And along the longitudinal direction of the walking beam extension part 33. In addition, a guide bar 37 (see FIG. 4) supported on the guide roller 42 of the lifting unit 41 to be described later is provided at each lower end of the walking beam 31 and the walking beam extension 33. And along the longitudinal direction of the walking beam extension part 33.

As shown in FIG. 3, the lifting unit 41 includes a plurality of guide rollers 42 for supporting each lower end of the walking beam 31 and the working beam extension 33, and each of the walking beams 31. The guide roller shaft 43 for interconnecting the pair of guide rollers 42 disposed at mutually opposing positions, the support block 44 for supporting the guide roller shaft 43, and the support block 44 can be lifted up and down. A pair of support bars 45 for supporting a plurality of supports, a clamp 47 coupled to each end of the support bar 45, a swing lever 49 rotatably coupled to one end of the clamp 47, The swing lever 49 is coupled through and has a connecting shaft 51 having a lever 53 at one end thereof, and a cylinder rod 57 coupled to the lever 53 of the connecting shaft 51 and extending and contracting in the vertical direction. It includes an actuator 55 for the lifting unit having a). Accordingly, as the cylinder rod 57 is extended and reduced in length by the operation of the elevator unit 55, the clamp 47, the support block 44, the guide roller shaft 43, and the guide rollers 42 are elevated. The working beam 31 and the working beam extension 33 are raised and lowered. Here, it is preferable to use either a pneumatic cylinder or a hydraulic cylinder as the actuator 55 for the lifting unit.

As shown in FIG. 4, the moving part 61 supports the servomotor 62 for forward and reverse rotation, the bracket 63 for locally interconnecting the pair of walking beams 31, and the bracket 63. And a sliding plate 65 slidably moving along the LM guide unit 66 provided on the frame 17 in the longitudinal direction of the walking beam 31, and connecting the bracket 63 and the sliding plate 65 to each other. The rod 66, the pair of timing pulleys 67 provided at each end of the servomotor 62 and the sliding plate 65, and the respective timing pulleys 67 are connected to each other, and the power of the servomotor 62 is connected. It includes a timing belt 69 for transmitting to the sliding plate (65). Accordingly, when the servo motor 62 rotates forward and backward and rotates the timing belt 69 forward and backward, the sliding plate 65 connected to the timing belt 69 is slidably reciprocated along the LM guide unit 66. At this time, the bracket 63 connected to the sliding plate 65 by the connecting rod 66 moves in the same direction as the sliding plate 65, so that the working beam 31 and the working beam extension 33 are It is reciprocated along the longitudinal direction of the working beam 31 and the working beam extension 33.

On the other hand, in the cathode ray tube funnel transport apparatus according to the present invention, the funnel (9) flowing from the transport conveyor 11 between the transport conveyor 11 and the working beam extension 33 is seated on the working beam extension (33). A loading section 71 is provided.

As shown in FIG. 5, the loading unit 71 lifts and lifts the lift 73 and the lift 73 which loads the funnel 9 on the conveying conveyor 11 and rests on the working beam extension 33. It has a lift drive unit (75).

The lift 73 is provided in the conveying conveyor 11 which adjoins the aligner 21 of the neck fusion apparatus 20, and is provided so that a lift is possible between the roller shafts 13. In this embodiment, three lifts 73 are provided between the roller shafts 13.

The lift driving unit 75 is coupled to the pair of support bars 77 supporting the lower ends of the respective lifts 73, a coupler 79 connecting the pair of support bars 77, and the coupler 79, and the upper and lower parts of the lift driver 75. And a lift actuator 81 having a cylinder rod 83 extending and contracting in a direction. Accordingly, as the cylinder rod 83 is extended and reduced in length by the operation of the lift actuator 81, the lifts 73 are lifted. Here, it is preferable to use either a pneumatic cylinder or a hydraulic cylinder as the lift actuator 81.

In addition, on one side of the conveying conveyor 11 of the cathode ray tube funnel conveying apparatus according to the present invention, that is, adjacent to the area where the lift 73 is elevated, a pair of stoppers 85 restricting the conveyance of the funnel 9 is provided. It is prepared. Each stopper 85 protrudes upward of the conveying conveyor 11 to be in contact with one side of the funnel 9 conveyed along the conveying conveyor 11.

By this configuration, the operation of the funnel transfer apparatus according to the present invention will be described.

When the funnel 9 moving along the conveying conveyor 11 is in contact with the pair of stoppers 85, the cylinder rod 83 of the lift actuator 81 is extended by the controller (not shown) to extend the length of the lift 73. This raises the lift 73, which loads the funnel 9.

The working beam 31 and the walking beam extension part 33 are moved forward and ascend toward the lift 73 positioned above the conveying conveyor 11 by the controller, so that one end of the working beam extension part 33 is provided. It is located between the roller shafts 13 so as not to interfere with the lift 73.

Subsequently, the cylinder rod 83 of the lift actuator 81 is reduced in length so that the lift 73 descends below the roller shaft 13, whereby the funnel 9 loaded on the lift 73 is walking. It is seated in the beam extension 33.

When the funnel 9 is seated in the working beam extension 33, the working beam 31 and the working beam extension 33 are directed to the opposite side of the lift 73, i.e., backward moving and descending relative to the lift 73. do. As a result, the funnel 9 seated on the working beam extension 33 moves to the aligner 21 of the neck fusion apparatus 20 and is seated.

Then, when the new funnel 9a moving along the conveying conveyor 11 contacts the pair of stoppers 85 and is loaded on the lift 73, the working beam 31 and the working beam extension 33 are lifted. Moving forward and rising again toward 73, a new funnel 9a on the lift 73 rests on the working beam extension 33.

When the new funnel 9a is seated on the working beam extension 33, the working beam 31 and the working beam extension 33 move back and lower with respect to the lift 73 again, so that the working beam extension 33 The new funnel (9a) seated on the) moves to the aligner 21 of the neck fusion equipment 20, while the funnel (9) seated on the conventional aligner 21 is a walking beam (31) and By moving backward of the walking beam extension part 33, the moving part is moved to the cutting part 23 of the neck fusion welding facility 20, which is a subsequent process, and is mounted.

Thereby, the working beam 31 and the walking beam extension part 33 repeatedly move forward and ascend, move backward and descend toward the lift 73 under a predetermined period under the control of the control unit, whereby the neck fusion apparatus The funnels 9 provided to the 20 are sequentially moved along each process of the neck fusion fusion facility 20 and at the same time, the neck is fused to the funnel 9 and discharged to the outside through an exhaust conveyor (not shown).

On the other hand, the raising and lowering of the working beam 31 and the working beam extension 33 is the cylinder rod 57 is extended and reduced in length by the operation of the elevator unit 55 for lifting, pushing the lever 53, the connection The swing lever 49 connected to the shaft 51 raises and lowers the clamp 47 so that the support bar 45, the support block 44, and the guide roller shaft 43 are raised and lowered integrally. And guide rollers 42 for supporting the guide bar 37 of the wicking beam extension 33 is made by lifting.

In addition, the forward and backward movement of the working beam 31 and the lifting beam extension 33 to the lift 73 is caused by the timing belt 69 rotating forward and backward by the forward and reverse rotation of the servomotor 62, thereby causing the timing belt ( The sliding plate 65 connected to 69 is reciprocated, and the bracket 63 connecting between the sliding plate 65 and the pair of working beams 31 is reciprocated.

In this way, by providing a working beam extension between the conveying conveyor and the working beam, and by providing a lift to be mounted on the conveying conveyor to lift and mount the funnel moving on the conveying conveyor to be seated on the working beam extension, from the conveying conveyor It does not impact the funnel provided by the neck fusion equipment, and does not leave the in-situ section for the funnel to enter the neck fusion equipment. Therefore, it is possible to prevent the failure of the funnel to be transported by preventing the damage of the seal edge of the funnel, and also to prevent the funnel from colliding with the conveying conveyor to improve the facility operation rate.

As described above, according to the present invention, there is provided a funnel feeder for cathode ray tubes that can prevent the occurrence of a failure of the funnel during the transfer of the funnel, and can improve the equipment operation rate.

Claims (3)

A conveying conveyor for transporting a funnel for cathode ray tubes, a pair of walking beams extending along a neck fusion facility for fusion of a neck to a funnel provided from the conveying conveyor, and a lifting unit for elevating the working beams; In the funnel feeder for cathode ray tube having a moving part for moving the working beams, A working beam extension extending in length from one end of each working beam toward the conveying conveyor; A lift provided on the conveying conveyor so as to be lifted and lowered to load the funnel on the conveying conveyor and to seat the working beam extension; And a lift drive unit for elevating the lift. The method of claim 1, And a stopper provided in the conveying conveyor, the stopper limiting movement of the funnel. The method of claim 1, The lift drive unit is a funnel feeder for cathode ray tube, characterized in that it comprises an actuator.