JP4000141B2 - Handle transfer device - Google Patents

Description

  The present invention relates to a handle transfer device for transferring, in a bag making machine, a short handle piece cut by a cutter from a belt-like paper having a handle string attached thereto, to an adhesive portion of a bag body.

In general, to manufacture a handle to be attached to a bag, a handle string is meandered to a paper band and attached so that the top part protrudes from both sides, and this is divided into two along the center line. The left and right strips of paper are cut into short grip pieces by cutters.
Then, the cut handle piece is naturally dropped onto a vertically feeding table at a lower position and vertically fed toward the bonding portion of the bag body, and after attaching the handle piece to the bag body, the side hook is formed and The body was pasted to form a bag bottom.
By the way, when the handle piece cut in this way is naturally dropped on the vertical feed table, the drop position of the handle piece is very unstable, and the bottom of the cut handle piece and the subsequent letter band There is a possibility that the handle piece or the handle letter band may be bent or the position may be shifted and the longitudinal feeding cannot be performed.

Therefore, the grip band protruding from the cutter is clamped between the propeller-like fingers and the drive roller, and cut into short grip pieces with the cutter, then dropped onto the vertical feed table and rotated paper presser Hold the bottom of the grip piece where the fingers fall against the table surface, lift the tip of the subsequent grip letter band with the paper lifting finger, and prevent the handle piece and the grip letter band that were cut earlier from colliding with each other. Devices are known (see Patent Document 1 and Patent Document 2).
However, the conventional transfer device is provided with a propeller-like finger and a driving roller for determining the drop timing of the handle piece, and a paper pressing finger and a paper lifting finger for preventing the handle piece and the letter band from colliding with each other. Therefore, the structure of the device was complicated and bulky.

Japanese Utility Model Publication No. 58-54993 Japanese Utility Model Publication No. 60-14578

  The problem to be solved by the present invention is to provide a handle transfer device that is compact and simple in structure, and that allows the cut handle pieces to drop into the conveyance path regularly at regular intervals and so as not to collide with each other. It is in.

The grip transport device of the present invention includes a transport device that transports a strip-shaped paper with a handle string attached along its axial direction, and a cutter that is installed in the middle of transport of the transport device and cuts the strip-shaped paper into short grip pieces. And a conveying path that is installed below the distal end of the conveying device and conveys the handle piece so as to intersect the axial direction thereof, at the terminal of the conveying device, directly above the conveying path, from the conveying device. A receiving plate for receiving the grip piece to be discharged is installed, a rotating shaft parallel to the conveying direction of the conveying device is attached to the receiving plate, a gear is fixed to the rotating shaft, and a driving gear meshing with the gear is rotated. The cam follower engaged with the cam surface of the cam to be connected is connected by a link mechanism, and the drive gear is reciprocally rotated along with the rotation of the cam. Turn downward To the receiving the handle piece falls into the conveying path.

In order to drop the handle piece to an accurate position on the conveying path, a guide plate for positioning the leading end of the handle piece discharged from the conveying apparatus and guiding it on the conveying path is spaced from the end of the conveying apparatus. When erected so as to face not good.

According to the present invention, since the cut handle pieces are received by the one end receiving plate and dropped to the conveyance path at regular intervals, the handle pieces are regularly arranged on the conveyance path at equal intervals, and the handle pieces are mutually connected. As a result, the handle piece can be reliably transferred at an accurate timing without collision.
In addition, since the handle pieces can be dropped with good timing and the collision of the handle pieces can be prevented with only the rotating receiving plate, the entire apparatus is compact and the structure is simple.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the grip transfer device of the present invention includes a transport device 1 composed of a plurality of sets of draw rolls 1 a, a cutter 2 installed in the middle of the transport device 1, and a lower end portion of the transport device 1. A transport path 3 disposed so as to intersect the transport direction, and a receiving plate 4 installed immediately above the transport path 3 at the end of the transport apparatus 1 are provided.
By a slitter installed upstream of the handle transfer device, the paper band on which the handle string is attached is divided into two along the center line, and the left and right belt-like papers divided into two are sent to the handle transfer device, respectively. Then, the left and right belt-like papers to which the handle string is attached are respectively transported along the axial direction by the transport device 1.

The cutter 2 includes a rotary blade 2 a installed above the conveyance surface of the conveyance device 1 and a fixed blade 2 b installed below the conveyance surface of the conveyance device 1.
Then, the belt-shaped paper conveyed by the conveying device 1 is cut into short handle pieces A by the cutter 2. The handle piece A is formed by gluing the handle string C curved on the base paper B so that the top portion protrudes (FIG. 3).
The cut short handle piece A is further transported along the axial direction by the transport device 1 toward the end thereof.

As shown in FIGS. 1 and 2, the conveyance path 3 includes a belt-like table 5 and a pair of left and right feed chains 6 that travel below the table 5.
Slits 7 are formed along the longitudinal direction near both sides of the table 5, and feed chains 6 are disposed directly below the slits 7.
The feed chain 6 is driven to travel by a sprocket 8, and projecting claws 9 provided at equal intervals on the feed chain 6 project upward from the table 5 through the slits 7 and travel along the slits 7.
Further, side walls 10 and 11 are erected on both side edges of the table 5, respectively, and one side wall 10 is arranged facing the lower end of the conveying device 1. The other side wall 11 is a guide plate that positions and guides the tip of the handle piece A discharged from the transport apparatus 1 and guides it on the transport path 3, and is opposed to the end of the transport apparatus 1 with a slight gap. Be placed.

The receiving plate 4 is formed by bending a metal plate or the like into an L shape, and includes a receiving piece 12 that receives the handle piece A and an upstanding piece 13 that rises from a side edge of the receiving piece 10. A rotating shaft 14 is fixed to the back surface of the upright piece 13 in parallel with the side edge of the receiving piece 12.
Further, one end of the rotating shaft 14 is rotatably attached to the other side wall 11 erected from the table 5, and the receiving plate 4 projects from the other side wall 11 toward the transport device 1. The receiving piece 12 of the receiving plate 4 is positioned slightly below the conveying surface of the conveying device 1, and the rotating shaft 14 is installed in parallel with the conveying direction of the conveying device 1. In addition, the standing piece 13 is arrange | positioned on the opposite side to the handle string C protrusion side of the handle piece A conveyed with the conveying apparatus 1. FIG.
Therefore, the handle piece A conveyed by the conveying device 1 is discharged onto the receiving piece 12 and its tip abuts against the other side wall 11 to be positioned.

As shown in FIGS. 1 and 4, a gear 15 is fixed to one end of the rotating shaft 14, and a drive gear 16 formed of a sector gear is engaged with the gear 15.
The base of the drive gear 16 is connected to the cam follower 17 through a link mechanism. The link mechanism includes a reciprocating arm 18 and a swing arm 19. One end of the reciprocating arm 18 is pivotally attached to the drive gear 16, and the other end of the reciprocating arm 18 is pivotally attached to one end of the swing arm 19. The other end of the swing arm 19 is pivotally attached to the cam follower 17.
The cam follower 17 is engaged with the cam surface of the rotating cam 20.

Accordingly, when the cam follower 17 swings as the cam 20 rotates, the swing arm 19 swings, and the reciprocating arm 18 pivotally attached to the swing arm 19 reciprocates in the axial direction. Then, the drive gear 16 pivotally attached to the reciprocating arm 18 reciprocates, and the gear 15 meshing with the drive gear 16 reciprocally rotates in the reverse direction.
As a result, the rotating shaft 14 to which the gear 15 is fixed also rotates reciprocally, the receiving plate 4 to which the rotating shaft 14 is attached rotates downward at regular intervals, and the receiving piece 12 tilts downward from the horizontal state. Then, it returns to the horizontal state.

The timing of the rotation of the receiving plate 4 is set so that the conveying device 1 discharges the handle piece A when the receiving piece 12 is in the horizontal state, and therefore the handle piece A discharged from the conveying device 1 is the receiving piece 12. It is accepted in.
Then, when the receiving piece 12 of the receiving plate 4 rotates downward, the handle piece A falls onto the table 5 of the conveying path 3. At this time, the axial direction of the handle piece A intersects the longitudinal direction of the table 5, and the handle piece A positioned on the other side wall 11 is guided to an accurate position on the table 5.
Further, since the travel timing of the feed chain 6 is set so that the protruding claw 9 reaches the dropping position after the handle piece A is dropped, as shown in FIG. Abutting on both sides of the side edge, the handle piece A is transferred along the table 5 so as to intersect the axial direction as the feed chain 6 travels.

Downstream of the conveyance path 3 is joined with a transfer device for transferring the bag body, and the handle piece A is glued to the handle mounting portion of the bag body.
The transport device 1, the cutter 2, and the transport path 3 are conventionally known devices and can be replaced with other devices having different configurations as long as they have similar functions.

The front view of the handle transfer apparatus which shows the Example of this invention. The principal part side view of the handle transfer apparatus which shows the Example of this invention. The top view of the handle piece engaged with the protrusion nail | claw. The side view which shows the drive mechanism of a receiving plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Conveying device 1a Draw roll 2 Cutter 2a Rotating blade 2b Fixed blade 3 Conveying path 4 Receiving plate 5 Table 6 Feed chain 7 Slit 8 Sprocket 9 Protruding claw 10 One side wall 11 Other side wall 12 Receiving piece 13 Standing piece 14 Rotating shaft 15 Gear 16 Drive gear 17 Cam follower 18 Reciprocating arm 19 Oscillating arm 20 Cam A Handle piece B Base paper C Handle string

Claims (2)

A transport device that transports the strip-shaped paper with the handle straps along the axial direction thereof, a cutter that is installed in the middle of transport of the transport device and cuts the strip-shaped paper into short grip pieces, and a lower end portion of the transport device A grip transport device installed on the side and transporting the handle piece so as to cross the axial direction thereof, and at the end of the transport device, it is discharged from the transport device directly above the transport path. A receiving plate for receiving the grip piece is installed, a rotating shaft parallel to the conveying direction of the conveying device is attached to the receiving plate, a gear is fixed to the rotating shaft, and a driving gear meshing with the gear rotates. The cam follower engaged with the cam surface of the cam is connected by a link mechanism, and the drive gear is reciprocally rotated along with the rotation of the cam so that the receiving plate is centered on the rotation shaft at regular intervals. Rotate downward, Grip transporting device, characterized in the only locking the handle pieces be dropped into the conveying path.   2. The handle transfer device according to claim 1, wherein a guide plate that positions the tip of the handle piece discharged from the transport device and guides it on the transport path is erected so as to be opposed to the end of the transport device at an interval. .

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