JPH07148871A - Plastic bag arranging device - Google Patents

Abstract

PURPOSE:To arrange end parts of bags from start of discharge of the bags until a fixed number of sheets by rocking a longitudinally arranging rocking piece back and forth at the front of the bag, and rocking a laterally arranging rocking piece right and left at a side opposite to a vertical fixed side wall. CONSTITUTION:A back end part of a plastic simplified bag housing section is formed by a vertical fixed wall 5 and a vertical fixed side wall 6 is formed at its side end. By rotating a drive motor 13, a sliding rod 10 is slid in the lateral direction within a fixed range. When an axis of rotation 26 of a longitudinal drive motor 25 is rotated, a longitudinal slide rod 21 rocks back and forth and a slender bar-like rocking piece 24 rocks together with it. Further, by operation of a handle 29, a support leg 18 moves along a support axis 32 due to mesh of a rack 41 and a pinion 42, and the rocking position of the rocking piece 24 can be changed in accordance with a width of a plastic bag. Thus, an end part of a bundle of the plastic bags of 100-200 sheets can be arranged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for aligning plastic bags, which unmannedly regulates the front and rear and the right and left of a simple plastic bag discharged and supplied from a bag making machine.

[0002]

2. Description of the Related Art Conventionally, a simple plastic bag discharged and supplied from a bag-making machine is dropped into a storage receiving part,
An operator has arranged a bundle of these plastic bags for every 0 to 200 sheets so that they are aligned in the front-back direction and the left-right direction and flowed to the next bundling step.

[0003]

As in the prior art, when the plastic bag discharged and supplied from the bag-making machine is left dropped in the accommodating receiving part, it is slightly larger in the accommodating receiving part, and therefore is uneven in front, rear, left and right. Occurs. Further, slippage may occur on the surface of the plastic bag, resulting in a large displacement. In this way, when a certain number of bundles of plastic bags (100 to 200 sheets) are sent to the accommodating receiving part in the bundling process while the plastic bags are left unaligned in the front, rear, left and right, the appearance of the plastic bundle is unsightly. Become. For this reason, a manual operation of aligning the front, rear, left, and right of the plastic bundle is performed. This has been an impediment to the unmanned process from the production of plastic bags to the binding. The object of the present invention is to consistently transport the plastic bag discharged and supplied from the bag-making machine into the accommodating portion from the beginning to the final fixed number of the plastic bag until the front and rear, and the left and right end portions. An object of the present invention is to provide an end part aligning device for a plastic bag, which can regulate the end part of a plastic bundle by continuously continuing the aligning operation.

[0004]

In order to achieve the above-mentioned object, in a bag making machine for plastic bags which is supported by upper and lower conveyor belts and is supplied to the bag accommodation region, the bag is supplied to the bag accommodation region. A vertical fixing wall is formed at the rear end of the bag accommodating portion region for each plastic bag that is formed, and a vertical fixing side wall is formed on one side of each plastic bag that is supplied to the bag accommodating region. One or a plurality of front-rear aligning swinging pieces are formed in the front part of the supplied plastic bag so as to swing in the front-rear direction, and one or a plurality of left-right alignments are provided on the other side of the supplied plastic bag. The swing piece is formed so as to swing in the left-right direction. Also,
The front-rear alignment rocking piece and the left-right aligning rocking piece can be appropriately adjusted to a position according to the size of the plastic bag to be supplied. Further, it is preferable that the front-rear oscillating piece has a round bar shape. Further, it is effective that the right and left side oscillating pieces have a flat plate shape.

[0005]

The plastic bag discharged and supplied from the bag-making machine in the direction A is always dropped in the bag housing area from the first sheet to the last fixed number, and one or a plurality of plastic bags are always provided in front of the plastic bag. Align the front and rear oscillating pieces by oscillating them in the front-back direction,
Moreover, since one or more right and left side aligning swinging pieces are swingable in the left and right direction on the side facing the one side vertical fixed side wall, the plastic bag is continuously aligned in the front and rear and left and right. Therefore, even if there is some misalignment when the plastic bag is dropped into the bag storage area, the edges are gradually adjusted to 100 to 2
When the total number of sheets is 00, the end portions are completely in the regulated state.

[0006]

Embodiment 1 An embodiment will be described with reference to the drawings.
The simple plastic bag 3 is conveyed by being sandwiched between the upper conveying belt 1 and the lower conveying belt 2, and is discharged and supplied to the simple plastic bag accommodating portion 4 which is a bag accommodating portion area.
The simple plastic bag accommodating and receiving portion 4 has a vertical fixed wall 5 formed at its rear end, and a vertical fixed side wall 6 formed at its side end.

The vertically fixed side wall 6 is fixed to a lower portion of the bending arm 36, and an upper sliding piece 37 of the bending arm 36 is provided in front of the upper conveying belt 1 and the lower conveying belt 2 at upper ends of both side holding frames 7, 7. The sliding piece 37 is held by the fixed connecting rod 8 and can be fixed by tightening the fixing screw 9 at an arbitrary position of the connecting rod 8. Therefore,
Corresponding to the width of the plastic simple bag 3, it can slide in the horizontal direction at any time.

Both end shafts 11, 11 of the sliding rod 10 are fixed to the both-side holding frames 7, 7 so as to be able to slide laterally below the connecting rod 8 fixed to the upper ends of the both-side holding frames 7, 7. Bearing part 1
The bearings 2 and 12 are supported so that they can slide laterally within a certain range.

A curved lever 1 eccentrically attached to a lower rotary plate 15 of a rotary shaft 14 of a left-right drive motor 13.
The end portion of the lever 16 is fixed to the upper surface of the sliding rod 10 via 6, so that the rotation of the drive motor 13 causes the sliding rod 10 to slide laterally within a certain range.

A lower part of the fixing piece 38 is movably provided on the left and right side flat plate-like rocking pieces 17 so that it can be fixed to the sliding rod 10 at an appropriate position.
It can be stopped by fixing means such as 9. However, the right and left side-aligned flat plate-shaped rocking piece 17 may be provided with a plurality of round bars instead of the flat plate shape.

On the other hand, at the front separated position of the upper conveyor belt 1 and the lower conveyor belt 2, a support leg 18 is provided with a separation width larger than the width of the conveyor belt, and a support base 19 supported by the support leg 18 is formed. Has been done. A lift 20 is installed on the upper surface of the support 19. The front and rear sliding rods 21 are bridged over the upper surface of the lifting table 20 over the width of the conveyor belt.
It is slidable forward and backward. Sliding rails 30 are provided on both lower sides of the front and rear sliding rods 21.

The front-rear sliding rod 21 comprises a mounting plate 22 and a supporting rod 23 fixed on both sides of the mounting plate 22 and spanning the width of the conveyor belt. An appropriate number of front and rear aligned thin rod-shaped swinging pieces 24 can be appropriately fixed to the supporting rod 23 at arbitrary positions by the fixing screws 35 at the mounting portion 34. A connecting lever 28 is eccentrically supported by a lower rotary disk 27 of a rotary shaft 26 of a front-rear drive motor 25, and the other end of the connecting lever 28 is pivotally attached to a mounting plate 22. Therefore, the rotary shaft 2 of the front-back drive motor 25
When 6 is rotated, the front-rear sliding rod 21 swings in the front-back direction, so that the thin rod-shaped swinging piece 24 swings with it.

When the preset number of the plastic simple bags 3 in the plastic simple bag accommodating / receiving portion 4, for example, the four sides of a bundle of 100 to 200 plastic bags are in a regulated state, the measurement counter control is activated to operate the lift table 20. Is controlled so as to rise as indicated by an arrow C, and the grasping piece 33 is pulled out of the plastic bag bundle in the simple plastic bag accommodating and receiving portion 4 while the elevating table 20 is rising, and the bundling step which is the next step. It is supposed to be carried to 31. Grasping the plastic bag bundle in the simple plastic bag accommodating part 4 Piece 33
While the sheet is being drawn out, the auxiliary receiving plate 40 is moved forward into the simple plastic bag accommodating and receiving section 4 to hold the sequentially discharged plastic bags without stopping the process.
As shown in FIG. 7, when the grasping piece 33 retracts the plastic bag bundle, the plastic bag bundle is sequentially sent to the bundling step 31 as shown in FIG.

Further, by operating the handle 29, the support leg 18 moves along the support shaft 32 due to the engagement between the rack 41 and the pinion 42, and the swinging bar 24 swings according to the width of the simple plastic bag. Since the position can be changed at any time, it can accommodate any large plastic bag.

As shown in FIG. 5, the simple plastic bag 3 is a bag formed by fusing and welding both sides 43 as the lower bent side. The plastic bag applicable to the plastic bag aligning apparatus of the present invention is this. It is not limited to. Incidentally, 44 is the opening of the plastic bag.

Since the present invention is configured as described above, it has the following effects. 2. The plastic bag aligning device according to claim 1, wherein the plastic bag bag making machine is supplied to the bag accommodating region by being supported by upper and lower conveyor belts, and each plastic bag is supplied to the bag accommodating region. A vertical fixing wall is formed at the rear end of the accommodation area, and a vertical fixing side wall is formed on one side of each plastic bag supplied to the bag accommodation area, and the front part of the supplied plastic bag is formed. On the other hand, one or more front and rear aligning rocking pieces are formed so as to rock in the front-back direction, while one or more left and right aligning rocking pieces are formed in the left and right direction on the other side of the plastic bag to be supplied. Since it is formed so as to oscillate, the end portions of the plastic bag bundle of 100 to 200 sheets can be regulated to an almost perfect wall, and therefore, the binding process of the next plastic bag bundle can be smoothly performed. Further, in the plastic bag aligning device according to the second aspect, the front-rear aligning rocking piece and the left-right aligning rocking piece can be appropriately adjusted to a position according to the size of the plastic bag to be supplied. Adjust the front, rear, left and right ends freely even in a plastic bag. Further, in the plastic bag aligning device according to the third aspect, since the front and rear aligning rocking piece is a rod-shaped body, no wind is generated and it is convenient for continuously striking the end portion of the bag body of any shape. And
In the plastic bag aligning device of the third aspect, since the right and left side aligning swinging pieces are flat, there is an effect that the end portions of the plastic bags can be regulated on the left and right sides at once.

[Brief description of drawings]

FIG. 1 is a perspective view of a plastic bag aligning device with a part omitted.

FIG. 2 is an enlarged perspective view of an essential part showing an operating state of right and left side aligned flat plate swinging pieces and front and rear sliding rods.

FIG. 3 is a plan view showing a process of a plastic bag aligning device.

FIG. 4 is a plan view showing an outline of a plastic bag aligning device.

FIG. 5 is a perspective view of a plastic bag.

FIG. 6 is a side view showing an outline of a plastic bag aligning device.

FIG. 7 is a side view showing a state where the grasping piece of the plastic bag bundle moves forward and backward.

[Explanation of symbols]

 1. ． Upper conveyor belt 2. ． Lower conveyor belt 3. ． Simple plastic bag 4. ． Simple plastic bag storage receiving part 5. ． Vertical fixed wall 6. ． Vertical fixed side wall 7. ． Both sides holding frame 8. ． Connecting rod 9. ． Fixing screw 10. Sliding rod 11. Both ends shaft 12. Bearing part 13. Left-right drive motor 14. Rotating shaft 15. Turntable 16. Connection rod 17. Left and right aligned flat rocking piece 18. Support legs 19. Support 20. Lift 21. Front and rear sliding rod 22. Mounting plate 23. Support rod 24. Oscillating piece 25. Front-back drive motor 26. Rotating shaft 27. Lower turntable 28. Connection rod 29. Handle 30. Sliding rail 31. Bundling step 32. Support legs 33. Grasping piece 34. Mounting part 35 Screw 36. Curved arm 37. Sliding piece 38. Fixing piece 39. Fixing screw 40. Auxiliary receiving plate 41. Rack 42. Pinion 43. Welded portion 44. Opening 45 Bent side

Claims (4)

[Claims] 1. A bag making machine for plastic bags, which is supported by upper and lower conveyor belts and is supplied to a bag housing portion area, wherein a rear end of the bag housing portion area is provided for each plastic bag supplied to the bag housing portion area. A vertical fixing wall is formed on each of the plastic bags to be supplied to the bag accommodating portion area, and one or a plurality of plastic fixing bags are provided on the front side of the plastic bag to be supplied. The front and rear aligning rocking pieces are formed so as to rock in the front and back direction, while one or a plurality of left and right side aligning rocking pieces are formed so as to rock in the left and right direction on the other side of the supplied plastic bag. A device for aligning plastic bags, which is characterized by: 2. The front and rear aligning rocking piece and the left and right aligning rocking piece,
2. The apparatus for aligning plastic bags according to claim 1, wherein the plastic bag aligning apparatus can be adjusted to a position suitable for the size of the plastic bags supplied. 3. The plastic bag aligning device according to claim 1, wherein the front and rear aligning rocking pieces are round rods. 4. The device for aligning plastic bags according to claim 1, wherein the right and left side aligning rocking pieces have a flat plate shape.