JP2884064B2 - Packing machine filling equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filling apparatus in a rotary type packaging machine for packing solids such as seeds and grains, granules and powder at high speed.

[0002]

2. Description of the Related Art As a conventional rotary type packaging machine,
A large number of grip pairs are projected in the radial direction of the rotating body, and the supplied packaging bags are sequentially held in a suspended manner by each grip pair and intermittently moved to each station such as an opening station, a filling station, and a top seal station. ,
There is known a configuration in which a predetermined amount of items to be packaged is filled using one filling funnel within a stop time of one process, the bag mouth is sealed, and then the bag is discharged. As an example of a filling device of such a packaging machine, Japanese Utility Model Publication No. Sho 62-21521 describes,
A structure in which a filling funnel faces the inside of a packaging bag at one place and a material to be packaged is charged is described and known.

[0003]

By the way, in order to respond to recent demands for higher efficiency of packaging machines, objects to be packaged such as solids, granules and powders weighing up to about 500 g have been considered. In order to perform the packaging process at about 60 to 150 times per minute, which is about twice the packaging capacity of the above, the filling device configured to perform the filling with the single filling funnel performs the charging during a slight stop time. It is difficult. However, at present, there is no filling device suitable for high-speed operation except for filling a small amount of items to be packaged. Therefore, there has been a demand for the development of a device that meets the demand.

An object of the present invention is to provide a filling device for smoothly and quickly filling an object to be packaged so as to be compatible with a packaging machine having a packaging capacity about twice that of a conventional packaging machine.

[0005]

In order to achieve the above object, according to the present invention, a rotating body provided with a large number of grip pairs in a radial direction is intermittently stopped at a plurality of stations by an intermittent driving means and moved. In a filling device of a packaging machine configured to fill a bag supported in a hanging manner by the grip pair with a packaged object measured by a measuring unit, the bag can be vertically moved by a guide bar provided on the rotating body. Filling funnels respectively corresponding to the grip pairs are attached to the brackets provided on the brackets, and a guide rail is provided around the outer surface of the drum provided concentrically with the rotating body, and the bracket is provided with rollers provided rotatably. The bracket is supported on a guide rail, and a first slider provided with a first guide piece for receiving the roller is provided at a station before the filling station. A second slider provided with a second guide piece for receiving the roller is provided in the drum after the station so as to be movable up and down in the drum, and the first slider is lowered by the driving means at a station before the filling station to perform filling. The falling port of the funnel is inserted into the packaging bag, and the second slider is lifted by the driving means at a station after the filling station, so that the falling port of the filling funnel escapes from the packaging bag.

[0006]

The bag for packaging supplied at the supply station is intermittently moved to the opening station of the next process by being successively gripped in a suspended manner by the grip pair. At the same time, the filling funnels corresponding to each pair of grips also move around the drum, and at the bag opening station (the station before the filling station), the rollers of the filling funnel are moved to the first position.
Get on the guide piece. Then, the dropper of the filling funnel is inserted into the bag as the first slider is lowered by the driving means, and the filling funnel moves to the filling station as it is.

[0007] In the filling station, the packages measured by the measuring means are discharged into the filling funnel while rotating in synchronization with the rotating body. At the station after the filling station, when the roller of the filling funnel rides on the second guide piece, the falling port of the filling funnel escapes from the packaging bag as the second slider is raised by the driving means.

According to this filling apparatus, a filling funnel is provided for each pair of grips and they are intermittently moved together, so that the filling time can be increased and the filling can be performed smoothly and quickly. And it became possible to correspond to the packaging machine which has about twice the packaging capacity as the conventional one.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a main part of a filling apparatus, FIG. 2 is a plan view of the same, FIG. 3 is a front view of a packaging machine showing a partial cross section, and FIG. 4 shows an outline of a packaging machine using the apparatus of the present invention. It is a top view.

A packing machine using the filling device F of the present invention mainly includes an intermittent drive means D, a bag supply means, a weighing means M, etc., and as shown in FIG. 4, a bag supply station i, an opening station ii. , Filling station iii, iv, idle station v, vi, top seal station vii ~ i
x, discharge station x, etc.

As shown in FIG. 3, on the machine base 1 of the packaging machine,
A stand 3 rotatably supporting a vertical index shaft 2 is provided, and a large number of grip pairs g for grasping or releasing the bag b are radiated to a dish-shaped rotary member 4 mounted on the upper portion of the index shaft 2. It is provided to protrude in the direction. A disk-shaped index wheel 5 fastened and fixed to the lower end of the index shaft 2 of the intermittent drive means D has a plurality of follower rollers 6 in two rows arranged annularly alternately and vertically alternately and supported. The index number of the index wheel 5 is 1
Set to 10 corresponding to 0 station.

A bevel gear 8 is attached to a lower end of a cam shaft 7 provided in parallel with the index shaft 2, and the gear 8 and a bevel gear 9 driven and rotated by a main motor device (not shown) are engaged with each other. ing. In this embodiment, the rotation speed of the camshaft 7 is reduced to half the rotation speed of the motor device. Reference numeral 10 denotes two plate cams fixed to the cam shaft 7, an upper cam 11 and a lower cam 12.
Are formed integrally while changing the phase. In this embodiment, the moving angle is designed to be 240 ° and the stopping angle is designed to be 120 °. Thus, the cam surfaces of the upper cam 11 and the lower cam 12 are provided so as to contact the upper and lower follower rollers 6, respectively.

The filling device F is for charging and filling an article to be packed such as seeds and grains into a bag b. As shown in FIGS. 1 and 2, reference numeral 30 denotes a pair of guide bars which are provided upright at the center of each pair of grips g on the peripheral edge of the rotating body 4, and are provided on the side surfaces of the slide plate 31. Mating groove 3
2, the slide plate 31 is provided so as to be vertically movable. A substantially L-shaped bracket 3 on the front of the slide plate 31
3 is attached, and the funnel 34 is fixed to the bracket 33 through the drop port 35 of the filling funnel 34. In this embodiment, ten filling funnels 34 of the same number as the stations are provided.

As shown in FIG.
A drum 38 concentric with the index shaft 2 is attached to a boss 37 supported by a bearing 36 at the shaft end 2a.
Reference numeral 39 denotes a plate-shaped guide rail provided around the outer surface of the drum 38. A roller 40 rotatably provided on the slide plate 31 is placed on the guide rail 39 to support the slide plate 31. . Reference numeral 41 denotes a stay for fixing the drum 38 to the machine base 1 so as not to rotate.

A first slider 47 is provided at the front of the filling station (opening station ii) in the drum 38 with a rectangular slide bar 45 standing upright and a first guide piece 47 for receiving the roller 40 provided on the front surface. 46 is provided so as to be vertically movable. Similarly, at the position of the station (idle station vi) after the filling station, a square slide bar 48 is erected, and a second slider 49 provided on the front surface with a second guide piece 50 for receiving the roller 40 can be moved up and down. To be provided. Reference numerals 51 and 52 denote holes formed in the drum 38 for providing the first guide piece 47 and the second guide piece 50.

A driving lever 55 is supported by a bracket 56 so as to swing freely. A rod end 57 provided at one end of the lever 55 is connected to a side surface 49a of the second slider 49.
Connect to Reference numeral 58 denotes a drive rod having a lower end 58a connected to a cam lever 60 which swings by a cam 59 and an upper end 58b connected to the other end of the drive lever 55, and is passed through the index shaft 2. A rod end 63 provided at one end of an intermediate lever 62 that is swingably supported by a bracket 61 is connected to a side surface 49 b of the second slider 49. The rod end 64 provided at the other end of the intermediate lever 62 is connected to the side surface 46 a of the first slider 46.
Connect to When the drive rod 58 is lowered by the rotation of the cam 59, the drive lever 55 swings to raise the second guide piece 50 (the second slider 49), and at the same time, the intermediate lever 62 moves in conjunction with the first guide piece. 47 (first slider 46) is lowered. When the cam 59 continues to rotate, the first guide piece 47 rises and the second guide piece 50 descends, and waits to receive the next roller 40. The mechanism including the cam 59 and the driving rod 58 is an example of a driving unit.

An example of the measuring means M related to the filling device F will be briefly described. As shown in FIG. 4, the weighing means M includes a weighing disk M ₁ provided with a shutter for weighing a packaged object such as seeds and grains into a bag b by a weighing cylinder as shown in FIG. It is optimally arranged to rotate in synchronism with and discharge the items to be packed into the filling funnel 34 at the filling stations iii, iv.

The operation of the filling device F has been described in the section of the operation of the present invention and in each of the constituent elements, and therefore the description thereof will be omitted. Thus, this filling device has an excellent function that a filling funnel is provided for each grip pair and the filling funnels are intermittently moved together to increase the filling time and to perform the filling smoothly and quickly.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part of a filling device.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the packaging machine with a partial cross section.

FIG. 4 is a plan view showing an outline of a packaging machine using the apparatus of the present invention.

[Explanation of symbols]

b → bag g → grip pair D → intermittent drive means F → filling device M → measuring means 2 → index shaft 4 → rotating body 30 → guide bar 33 → bracket 34 → filling funnel 35 → fall port 38 → drum 39 → guide rail 40 → roller 4
6 → first slider 47 → first guide piece 49 → second slider 50 → second guide piece

Claims (1)

(57) [Claims] 1. A rotating body having a large number of grip pairs provided in a radial direction is intermittently stopped at a plurality of stations by an intermittent driving means and moved, and a weighing means is attached to a bag supported in a suspended manner by the grip pairs. In a filling device of a packaging machine configured to fill the articles to be weighed by
Filling funnels respectively corresponding to the grip pairs are attached to brackets provided on the guide bar provided on the rotating body so as to be vertically movable, and guide rails are provided on the outer surface of a drum provided concentrically with the rotating body. Then, a roller rotatably provided on the bracket is mounted on the guide rail to support the bracket, and at a station before the filling station,
A first slider provided with a first guide piece for receiving the roller is provided at a station after the filling station, and a second slider provided with a second guide piece for receiving the roller is provided in the drum so as to be vertically movable. At the station before the filling station, the first slider is lowered by the driving means to insert the dropping hole of the filling funnel into the packaging bag, and at the station after the filling station, the second slider is raised by the driving means to drop the filling funnel. A filling device for a packaging machine, characterized in that the mouth is made to escape from the packaging bag.