JPH03256819A - Feeder of articles to be packaged in automatic packaging machine - Google Patents

Abstract

PURPOSE:To certainly convey articles of various sizes to a bag making machine side by a method wherein a long belt conveyer is located in the middle of short belt conveyers and projected toward the bag making machine by a specified length beyond the short belt conveyers, the short belt conveyers are located parallel to and on both sides of the long belt conveyer, and they are driven at the same rotating speed. CONSTITUTION:A belt conveyer 11 in the middle and belt conveyers 12 on both sides of the belt conveyer 11 are laterally arranged parallel to each other at required distances X, and driven at the same rotating speed toward bag making machine 14 side by a driving pulley 8. The front end 11a of the conveyer 11 protrudes toward a guide plate 21 side of a bag making machine 14 by a specified length beyond the front ends 12a of the belt conveyers 12 and there is not gap between the guide plate 21 and the front end 11a of the belt conveyer 11, so that small size articles to be packaged can be supplied to the bag making machine 14. Although the articles to be packaged are transferred from the front ends 12a of the belt conveyer 12 to the bag making machine 14 only by the belt conveyer 11, stable conveying of the articles can be carried out if auxiliary tables 18 are provided on both sides of the belt conveyer 11.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a device for feeding packaged objects in deoxidizing, for example, confectionery, tea, and food products. [Prior Art] Conventionally, the above-mentioned packaged objects As an automatic packaging machine for goods, the one shown in FIG. 8 is known.

As shown in the figure, this automatic packaging machine is equipped with a bag making device a, a packaging sheet supply device, a packaged object feeding device C, a cutting device (not shown), etc. While the package d is conveyed at regular intervals by the feeding device C, the packaging sheet e is transferred from the feeding device to the external guide cylinder f.
When the inner guide tube 6 is drawn in between the inner guide tube 6 and the inner guide tube 6, the both sides e' and e' in the width direction of the inner guide tube 6 are inserted into the groove h' in the center of the guide bottom plate.
In the process of being inserted and guided, the pair of left and right heater rolls i seals the side parts e' and e' to form a cylinder shape as shown in FIG. 9, into which the packaged object d is fed, Next, a pair of upper and lower heater rolls j is used to seal the bag in the lateral direction and package the object d. Therefore, the automatic packaging machine continuously moves the object d at regular intervals. The sealed portion k is finally cut by a cutter (not shown) to obtain a package as shown in FIG. 10.

By the way, conventionally, as the feeding device for the packaged items in the above-mentioned automatic packaging machine, there are a narrow groove type quib shown in FIGS. 8, 11, and 12, and a wide groove type shown in FIGS. 13 and 14. are known.

As shown in the figure, the one with the narrow groove quib has a conveyor chain m in the middle, slides n and n on both sides of it, and guide covers 〇 and 0 on the outer tops of the slides n and n, respectively. , a positioning push pawl q protruding from the conveyor chain m in a narrow groove p formed between the slide bases nn.
... are slidably inserted and protruded, so in the feeding device, as shown in Fig. 8, the driven sprocket r, the driving sprocket S, and the intermediate sprocket t.
, by driving and rotating the conveying chain m in the direction of arrow V in the figure, each of the positioning push claws q moves along the groove p, and the positioning push It is structured in a sliding manner in which the object to be packaged d is slid and conveyed along slide tables n, n by claws q.

On the other hand, the wide type 6 has a conveyor chain m made of plastic, stainless steel, etc. in the middle and guide covers 〇 and 0 on both sides, as shown in Figs. 13 and 14. The conveyor chain m has a wide top plate m.
' is formed, and the conveyor chain m is driven and rotated in a wide groove p' formed between both guide covers 0.0, and the packaged object d is directly placed on the top plate m'. It is configured to be a direct conveyance system using a conveyance chain m, in which the objects are placed and conveyed.

[Problem to be Solved by the Invention 1] However, the above-mentioned narrow groove type feeding device causes friction between the object to be packaged d and the slide tables n, n, so that it cannot be used for viscous objects such as Daifuku mochi, etc. may not move smoothly, powder may fall off the surface, or the surface of the slide may not move smoothly.
The packaged items d may be damaged during the transportation process, such as by adhering to the packaging materials d and causing the contents to come out.As a result, the operation often has to be temporarily stopped, resulting in poor moving efficiency.

In addition, the feeding device for the wide groove quib is a conveyor chain m
Because of its wide width, it is suitable for conveying large objects to be packaged.However, as shown in FIG. By forming small packaging items, such as ballpoint pen cartridges, oxygen absorbers for food, etc., packaging sheets e
There is a high possibility that the product may fall out of the space W before being packaged.

The present invention has been made in view of the above-mentioned problems with the above-mentioned feeding device, and by appropriately arranging and configuring a plurality of conveyor belts, the present invention is designed to provide a structure between the leading end of the conveyor belt and the bag making machine. By ensuring that there are almost no gaps, it is possible to transport large to small packaged items, and
It is an object of the present invention to provide a device for transporting a packaged article in an automatic packaging machine, which allows even viscous packaged articles to be moved smoothly by a direct conveyance method using a belt.

[Means for Solving the Problems] In order to achieve the above object, the feeding device for the packaged items in the automatic packaging machine of the present invention includes a long conveyor belt that protrudes a predetermined length toward the bag making device in the middle. The present invention is characterized in that at least one conveyor belt shorter than the conveyor belt is disposed on both sides so as to be rotatable in parallel and at the same rotational speed.

[Action 1] The rotational force from the drive source is applied to the drive boob as a rotational force in a predetermined direction, so that the drive boob rotates in the predetermined direction, and the intermediate part wrapped around the drive boo The long conveyor belt and the short conveyor belts on both sides are driven and rotated toward the bag making device at the same rotational speed.

Therefore, the items to be packaged placed on each of the conveyor belts are reliably conveyed to the bag making machine side by the respective conveyor belts.

[Examples] Examples of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, the frame 2 of the feeding device is long in the front-rear direction (left-right direction in the figure) and has a port 3.3 extending substantially horizontally at the rear end of the frame 1 of the automatic packaging machine.
It is fixed at.

At the front end of the frame 2, a driven pulley 4 that protrudes forward is rotatably supported by a support shaft 5 in the middle thereof, and driven pulleys 6 and 6 on both sides thereof are provided as required from the driven pulley 4. It is rotatably supported by a support shaft 7.7 at the rear by the same size.

A drive pulley 8.8.8, which also serves as a swimming bobbin, and an input sprocket 9 are fixed to a drive shaft 10 rotatably supported at the rear end of the frame 2.

The intermediate driven pulley 4 protruding forward and the driving pulley 8
A long endless conveyor belt 11 is wound around a required number of intermediate pulleys 13 and 13 which are pivotally supported on the frame 2, and is wound around the driven pulleys 6 on both sides. A short endless conveyor belt 12.12 is wound around the intermediate pulley 13.13 and the drive pulley 8.8.

The intermediate conveyor belt 11 and each conveyor belt 1212 on both sides
are arranged parallel to each other with a required distance X in the lateral direction, and each drive pulley 8.8.8 moves the bag making device 14 forward at the same rotational speed as indicated by the arrow Y in FIG. The drive is rotated to the side.

As shown in FIG. 3, on the surface of each of the conveyor belts 11, 12, 12, a large number of pushing pawls 16 for positioning the packaged items 15 are protruded at regular intervals. The objects 15 to be packaged are moved by the claws 16 to the conveyor belts 11, 12 at regular intervals.
12.

Further, each of the above-mentioned conveyor belts 11, 12, 12 may be a flat belt or a flat belt, but as shown in Fig. 3, a belt made of vinyl chloride or the like having teeth 17 on the inner surface is used. Timing belts are mainly used.

When a timing belt is used in this way, a grooved bobbin is used for each of the driven pulleys 4.6.6 and at least the drive pulley 8, so each of the conveyor belts 11
．． 12.12 and the driven and driving pulleys 4.6.6.8, there is no slippage between the conveyance timing of the packaged object 15, and the timing of sealing the packaging sheet (not shown) by the bag making device 14 is reduced. It's convenient because there is no confusion in things like that.

In addition, the packaged object 15 on the conveyor belt 11, 12, 12
As shown in FIG. 3, a guide rail 47 is disposed on the back side of the surface on which the objects are conveyed and is supported by the frame 2.
．． 12.12 deflection is prevented.

Furthermore, on both sides of the conveyor belts 12.12 on both sides,
As shown in FIG. 1, tables 18.18 are fixed to the frame 2 with screws 19, etc., and guide covers 20.20 are installed on the outside of each table 18.18. is fixedly disposed on the frame 2 as shown in FIGS. 1 and 2.

The front ends of both tables 18.18 are provided with inclined surfaces 18a which are inclined from the outer part to the inner part from the rear to the front end.
, 18a are formed in the shape of a substantially horizontal plane as shown in FIG. 1, and each of the inclined surfaces 18a, 18a is
The guide bottom plate 21 of the bag making machine 14 is opposed to the guide surfaces 22 and 22 of the packaging sheet (not shown), which are formed symmetrically so as to have a substantially horizontal V-shape in plan, with a slight distance therebetween. Guide grooves 23 and 23 are formed between both inclined surfaces 18a and the guide surface 22 at a slight interval for both sides of the packaging sheet in a substantially horizontal V-shape in plan view.

The tips of the guide grooves 23.23 are located in the center of the guide bottom plate 21 and communicate with a central groove 24 that is long in the front-rear direction, and both sides of the packaging sheet (not shown) are connected to the guide grooves 23.23. 23, and is inserted into the groove 24 and guided forward, so that both sides thereof are bent downward and face each other, and these portions are connected to a pair of left and right heaters (not shown). The packaging sheet is sealed into a cylindrical shape by being compressed by rollers.

Therefore, as shown in FIG. By protruding toward the bottom plate 21 side,
Since almost no gap is formed between the guide bottom plate 21 and the front end 11a of the conveyor belt 11, small items to be packaged can be conveyed and supplied to the bag making machine 14. Each front end portion 12a of 12, 12
Since the packaged items are transported only by the intermediate conveyor belt 11 from a to the bag making device 14, as shown in FIG. If the auxiliary tables 18b, 18b are fixed to the frame 2 with screws 25.25, the front end 1
Since the packaged items on 1a will not tilt to the side,
The packaged object can be transported more stably.

Furthermore, drive pulleys 8.8.8 for driving and rotating each of the conveyor belts 11.12.12 are connected to each of the conveyor belts 1112.
In order to facilitate attachment/detachment or replacement of the conveyor belts 11, 12, and 12, the conveyor belts 11, 12, and 12 are movable in the tension direction and the deflection direction with a single touch operation.

That is, as shown in FIGS. 4 to 7, the bearing 26 that rotatably supports the drive shaft 10 has a slide rod 27 projecting approximately horizontally forward from the side thereof.

On the other hand, on the outer surface of the rear end of the frame 2, a base 28 that is long in the front and rear direction is fixed with ports 29...
A recessed groove 30 is provided on the outer surface of the rear end of the base 28, and a bolt with a square hole is provided on the outer surface of the base 28 to close the side opening of the recessed groove 30. 31...
By slidably fitting the slide rod 27 into the slide hole 33 formed by the cover plate 32 fixed at
It is supported so that it can move freely in the ' direction.

The cover plate 32 has a long hole 34 extending in the front and back direction, and a link bin 35 is slidably inserted into the long hole 34.
, and the screw portion 35a at the tip thereof is inserted into the slide rod 2.
It is screwed into the screw hole 27a of No.7.

A screw hole 36 is provided on the outer surface of the base 28 at a portion forward of the concave groove 30 by a predetermined distance.
is screwed onto the link bin 37, and the non-gang 39 is fixed to the link bin 37.
The operating lever 38, which has an abbreviated shape from the front, is rotatably supported near the bent portion.

Further, one end of a link 40 is rotatably attached to the link bin 35 with a retaining ring 41.
The other end of the operating lever 38 and the tip of a link portion 38a extending from the bent portion of the operating lever 38 are rotatably connected by a link pin 42, whereby the operating lever 38
By rotating the link bin 37 from the position shown in FIG. Move in the direction of arrow A in Figure 5,
Further, by rotating the operating lever 38 from the position shown in FIG. 6 in the direction of arrow B' in FIG. 5, the bearing 26 is moved in the direction of arrow A' in FIG.

Therefore, each driving pulley 8.8.8 can move together with the bearing 26 in the direction of the arrow A and the direction of the arrow A' in FIGS. The conveyor belts 11.12.
It is easy to clean when 12 becomes dirty.

Further, a stopper receiver 43 having a stopper concave hole 43a is fixedly installed on the base 28 near the link bin 37 as shown in FIG. A stopper 45 is screwed through the hole 44 and fixed with a nut 46, and the tip 45a of the stopper 45 is removably engaged with the stopper concave hole 43a. The operating lever 38 is always held in the position shown in FIG. 6, so that the bearing 26 and timing pulley 8.8.8 are held in a tensioned state with the conveyor belts 11, 12.12 stretched. It is composed of

Note that the number of conveyor belts l-11, 12, and 12 is not limited to the three in this embodiment, but two short conveyor belts 12 may be arranged on each side depending on the size of the object to be packaged 15. The number may be five in total, and the number is arbitrary.

[Effects of the Invention] Since the present invention is configured as described above, even viscous packaging items such as Daifuku mochi can be smoothly transported by the direct transport method using the transport belt, and the intermediate The conveyor belt protrudes further forward than the conveyor belts on both sides, leaving only a small gap between it and the bag making machine, so it is easy to handle not only large items but also large items to be packaged.
Even small objects to be packaged, such as ballpoint pen cartridges and oxygen absorbers for food, can be transported without any problem, and this greatly contributes to improving the packaging efficiency of this type of packaging machine.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway plan view showing an embodiment of the packaging material feeding device in an automatic packaging machine according to the present invention; FIG. 2 is a partially cutaway side view of the same embodiment; 3 is an enlarged perspective view of the conveyor belt of the same embodiment, and FIGS. 4 to 6 each show the moving mechanism of the drive pulley of the same embodiment, so FIG. 4 is a longitudinal sectional plan view thereof, and FIGS. Figure 6 is a side view of the drive booth in a state where it has been moved, and Figure 7 is the ■- in Figure 6.
■A sectional view taken along the line, FIG. 8 is a schematic side view with a partial cross section of the automatic packaging machine, and FIG. The figure is a perspective view of the packaging bag in which the items to be packaged were wrapped using the same automatic packaging machine, No. 11.
The figure is a partial plan view of a feeding device for packaged items in a conventional automatic packaging machine, FIG. 12 is a perspective view of a portion of the feeding device, and FIG.
3 and 14 are a perspective view and a plan view respectively showing other conventional feeding devices. Main symbols in the diagram 4, 6, 6 ・ 8, 8, 8 ・ 11, 12, 12 ・ 14・・Driven pulley・Drive pulley・Transport belt・Bag making machine

Claims (2)

[Claims] (1) A long conveyor belt that protrudes a predetermined length toward the bag making device in the middle, and at least one shorter conveyor belt on each side are arranged so that they can be driven and rotated in parallel at the same rotational speed. What is claimed is: 1. A feeding device for a packaged article in an automatic packaging machine, characterized in that: (2) Each of the conveyor belts is constructed of a timing belt made of vinyl chloride or the like having a plurality of protruding pawls for positioning the packaged items at regular intervals on the upper surface and having teeth on the inner surface. A feeding device for an article to be packaged in an automatic packaging machine according to claim (1).