JPH0457715A - Newspaper easily packaging machine - Google Patents

Abstract

PURPOSE:To package newspaper into a shape which can be easily handled at the time of delivery with a minimum vinyl using quantity while having an air removing function by a method wherein by a folded newpaper packaging device and the weight of an elevating free arm which axially supports a rear upper roller, the rear upper roller is pressed to a lower roller, and by ascending of a front upper roller, the free arm is raised, and the front upper roller can be independently lowered from the free arm, for the structure of the title packaging machine. CONSTITUTION:Rear upper and lower rollers 1, 1' pinch the rear end 8'' of a newspaper 8, and the upper roller 1 ascends, and a free arm 3 also ascends while a front upper roller 2 separates from a free arm 3 and independently descends and comes into contact with the top of a lower roller 2'. After this newspaper 8 has been carried out by delivery conveyor belts 4, 4', the rear upper roller 1 and the free arm 3 descend to the original positions by their own weights. Thus, a thin film cylinder 12 and the folded newspaper 8 contained in it are pressed by the weights of the free arm 3 and upper delivery conveyor when passing through the rear upper and lower rollers 1, 1' and a delivery conveyor 21, and therefore, air in the newspaper 8 and thin film cylinder 12 is squeezed out to the left side, and the folded newspaper 8 is packaged being thin and flat.

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a simple packaging machine that prevents newspapers from getting wet due to rain and dew when they are delivered from newspaper companies to retailers to customers. It is.

"Prior Art" Newspapers are delivered to stores in bulk in a four-folded state. Conventionally, the most common method was to manually fold the newspaper into three or four folds, place it in a plastic bag that is sealed on one side, and then tie the open side after removing the air, which is said to be very time-consuming. There was a problem. In addition, there is a mechanical method in which newspapers delivered to retailers are wrapped in their original four-fold state, but this increases the amount of vinyl used, and it is difficult to stack the newspapers when delivering them to each customer. However, it had the disadvantage that it was not easy to handle because of the slippage caused by the vinyl surface when folded.

Also, if you fold it in three or four and put it in a plastic bag, the folded part will warp and air will remain between the folds, and if you seal both ends of the plastic bag, the remaining air inside the bag will make the plastic bag thinner. There is a problem in that it is not flat but swollen and bulky, making it rather inconvenient to stack and handle.

``Problems to be Solved by the Invention J'' The present invention was made to eliminate the above-mentioned problems.It uses a minimum amount of vinyl, has an air release function, and is packaged in a form that is easy to handle during newspaper delivery. The purpose of this invention is to provide a simple newspaper wrapping machine that can be used to wrap newspapers.

"Means for Solving the Problems" In order to achieve the above object, the present invention removably supports a folded newspaper insertion tube on the machine frame, and arranges a plastic thin film tube with a sealed tip around the outer periphery of the insertion tube. , a device for passing the folded newspaper from the front end of the insertion tube toward the rear end and storing the newspaper in the thin film tube; and two sets of upper and lower units for transporting the thin film tube rearward following the device. A folding newspaper wrapping device comprising a roller, a cutting machine for the thin film tube and a sealing machine on both sides of the cut line provided between two sets of upper and lower rollers, and an elevating and lowering floating arm that pivotally supports a rear upper roller; A simple newsprint packaging comprising a mechanism that presses a rear upper roller against a lower roller with a weight of A carry-out conveyor belt is wound around the upper and lower rollers at the rear of the machine, and a carry-in conveyor belt is wound around the upper and lower rollers at the front. The front part of the front upper and lower rollers of the simple newspaper packaging machine according to the invention described above, wherein the front end of the lifting floating arm is freely supported on the moving shaft, and the weight of the floating arm and the weight of the upper carrying-out conveyor presses the rear lower roller and the lower carrying-out conveyor. A sensor is installed to detect the leading edge of the folded newspaper, and a trailing edge detection sensor is installed in front of the rear upper and lower rollers.The operation of the leading edge detection sensor operates the two sets of upper and lower rollers, and the operation of the rear edge detection sensor operates the two sets of upper and lower rollers. It is constituted by the simple newspaper packaging machine according to the first or second aspect of the invention, which is provided with a control device that stops two sets of upper and lower rollers and operates a cutting machine and a sealing machine on both sides of the cutting line.

``Operation'' Therefore, when a newspaper is folded into a rectangular shape and inserted into the insertion tube 11 in the longitudinal direction and pushed in, the tip 8' of the folded newspaper 8 is
presses the tip seal portion 12' of the plastic thin film cylinder 12 backward, and the newspaper 8 is accommodated within the thin film cylinder 12. In this state, when the next folded newspaper 8 is inserted into the insertion tube 11, the rear end of the previous newspaper 8 will be folded (left side C in Figure 1, rearward).
, and the tip 8' passes the first sensor A, which operates and sends a signal to the control device to rotate the front and rear upper and lower rollers 1.1' and 2.2'. In this state, the newspaper 8 is rolled from the tip 8' to the front upper and lower rollers 2.2'.
When brought into close proximity between the rollers 2.2', the newspaper 8 is moved between the rollers 2.2' by the inlet conveyor belt 5.5', and the upper roller 2 is raised by the thickness of the newspaper 8. Along with this rise, the vertically movable arm 3 is lifted, and the rear upper roller l at the tip also rises from the rear lower roller l' and opens (this state is shown in the front view of FIG. 3). In this state, the front upper and lower rollers 2.
2' pinches the newspaper 8 and the thin film cylinder 12 and transports them rearward. The thin film cylinder 12 and newspaper 8 to be transferred pass through a cutting machine 9 and a sealing machine 10 and 10 on both sides of the cutting line, and are sent to the next sensor B.
and enters between the open rear upper and lower rollers 1.1'. Then, it enters between the rear upper and lower rollers 1.1' and between the carry-out conveyor belt 4.4', moves further to the left in FIG. 1, and when the rear edge of the newspaper 8 passes the sensor B, the sensor B It operates to issue a signal and operate the control device to stop the front and rear upper and lower rollers 1.1' and 2.2', and furthermore, the cutting machine 9 and the sealing machines 10 and 10 on both sides of the cutting line move from the solid line position in Fig. 1 to the virtual position. It descends to the line position and cuts the thin film cylinder 12, and heat-welds seals S, S on both sides of the cutting line C. At this time, the rear upper and lower rollers 1.1' hold the rear end portion of the newspaper 8 and the upper roller 1 rises, and the floating arm 3 also rises, but the front upper roller 2 moves away from the floating arm 3. It separates and descends independently and contacts the lower roller 2' (this state is shown in FIG. 3). After the newspaper 8 is conveyed out by the conveyor belt 4.4', the rear upper roller 1 and the floating arm 3 are lowered by their own weight to their original positions. In this way, the thin film cylinder 12 and the folded newspaper 8 accommodated therein are compressed by the weight of the floating arm 3 and the upper delivery conveyor when passing between the rear upper and lower rollers 1.1' and the delivery conveyor 21. The air in the thin film tube 12 is squeezed out to the left in FIG. 1, and the newspaper 8 is wrapped thinly and flatly.

"Embodiment" An insertion tube 11 into which folded newspaper 8 is inserted is provided in the machine frame 13. A flange 11' is provided at the front end opening of the insertion tube 11, and the insertion tube 11 can be made detachable by inserting the flange 11' into the engagement groove 14 of the fixed opening of the machine frame 3. can. A chevron-shaped annular projection 11'' is formed on the outer periphery of the rear end opening of this insertion tube 11, and a thermoplastic plastic thin film tube 12 is formed between the projection 1'' and the flange 11'.
The thin film tube 12 is compressed and arranged in a bellows shape, and the tip of the thin film tube 12 is sealed. Therefore, the folded newspaper 8 inserted and pushed into the insertion tube 11 from the fixed opening and passed through the insertion tube 11 will be accommodated in the thin film tube 12, and the storage device for the thin film tube 12 will be stored in the thin film tube 12. 15 is formed. stop,
Following the lever device 15, two sets of upper and lower rollers 1.1' move the thin film tube 12 and the newspaper 8 backwards (to the left in FIG. 1).
and 2.2', and a heating cutting machine 9 for the thin film cylinder 12 and a sealing machine 10.10 for heating and sealing both sides of the cutting line C between the rollers 1.1' and 2.2'. will be established.

The cutting machine 9 and the sealing machines 10 and 10 are supported by the elevator frame 16, and the sealing machines 1o and 10 heat and press the thin film cylinders 12 onto the pedestals 10' and 10' to seal them s, s, and the cutting machines 9 descends into a recess 9' between the pedestals 10' and 10' to melt and cut the intermediate portions of the seals S and S.

In the folding newspaper packaging apparatus constructed in this manner, the front end of the lifting floating arm 3 is freely supported on the machine frame 13, and the rear upper roller 1 is pivotally supported on the rear end.
is supported by the rear lower roller 1' under pressure. Then, in the carry-out conveyor 21, the upper carry-out conveyor 21' presses the lower carry-out conveyor 21'' with its weight.Furthermore, a receiving metal fitting 18 is provided on the support frame 17 (see Fig. 3) of the front upper roller 2, and the above-mentioned floating arm 3 is in contact with the upper surface of the receiving bracket 18, the front and rear upper rollers 1.2 are in contact with the front and rear lower rollers 1' and 2', respectively.Therefore, the front upper and lower rollers 2.2' When the upper roller 2 lifts up with the newspaper 8 caught between them, the receiving metal fitting 18 lifts the bin 19,
Further, since the floating arm 3 is raised, the rear upper roller 1 is also raised, opening the rear upper and lower rollers 1.1' (this state is shown in the front view of FIG. 3). However, when the rear end of the newspaper 8 passes the front upper and lower rollers 2.2', the front upper roller 2 descends independently from the floating arm 3 and comes into contact with the lower roller 2' (FIG. 3 shows this state). ).

The rear upper and lower rollers 1.1' each have a rear end roller 20.
A carry-out conveyor belt 4.4' is wound between the upper and lower front rollers 20' to form upper and lower carry-out conveyors 21' and 21''. A carry-in conveyor belt 5.5' is wound between them, and the upper carry-in conveyor belt 5 is inclined upward toward the upper front end roller 6 to form a carry-in guide conveyor 22. The front end of the vertically movable arm 3 is pivotally supported in a freely movable manner.

Further, a sensor A for detecting the tip 8' of the folded newspaper 8 is provided in the front of the front upper and lower rollers 2.2', and a sensor A for detecting the tip 8' of the folded newspaper 8 is provided in the front of the rear upper and lower opening roller 1.1'. A detection sensor B is provided, and it is preferable to use a transmission type optical sensor or an infrared sensor. The tip detection sensor A is connected to the front and rear upper and lower rollers 1.
, IT, and 2.2', and the trailing edge detection sensor B also forms a b contact, and the upper and lower rollers 1.1' and 2.2' are rotated between the b contacts of sensor A. , sensor B
The b contacts of the rollers 1.1' and 2.2' are temporarily opened and then closed immediately after passing, thereby stopping the rollers 1.1' and 2.2'. On the other hand, this stopping operation closes the third b contact to operate the cutting machine 9 and sealing machine 10.10, and these b contacts cause the upper and lower rollers 1.1',
2.2' and an automatic control device (not shown) for the cutting machine 9 and the sealing machine 10.10. 23 in Figure 2
24 is a timing pulley 25 provided on the front end roller 6.6', which is a timing pulley 2 for driving the rear upper roller 1.
6 is a timing pulley for driving the rear end roller 20' 2
7.28 is an interlocking timing belt, 29 is a deceleration brake motor, 30 is a driving chain, 31 is a chain guide timing pulley, 31 is a holding plate, and 32 is a receiving plate.

"Effects of the Invention" Since the present invention is configured as described above, (1) the conventional manual packaging method is mechanized as it is, so the operation is simple and the speed can be easily increased. Furthermore, the amount of plastic thin film used for packaging is minimal, and there is an advantage that running costs are low.

(2) Since it can accommodate the thickness of the newspaper and has an air release function during packaging, the newspaper does not become bulky and is easy to carry.

(3) The entire structure can be divided into four blocks, making maintenance easy, and especially the insertion tube 11
It can be made into a cassette type, so that the thin film cylinder 12 can be easily replaced, and the insertion cylinder 11 can be made into an oven structure, so that the breakage of the thin film cylinder 12 can be visually controlled.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a simple newspaper wrapping machine of the present invention;
The figure is a side view of the lifting arm, FIG. FIG. 4 is a side view of the upper roller in the lowered state, and a plan view of the plastic thin film tube in the cut and sealed state. 1.1'... Rear upper and lower rollers, 2.2'... Front upper and lower rollers, 3. Elevating and lowering floating arm, 4.4'... Carrying out conveyor belt, 5.5'... Carrying in conveyor belt, 6. 6'...
Front end roller, 7. Rotating shaft, 8. Folding newspaper, 8'.
・Tip, Pi... Rear end, A, B... Detection sensor, 9... Cutting machine, 10... Seal machine on both sides of the cutting line, 11... Folding newspaper insertion tube, 12 Plastic thin film tube,] 5... Containment device.

Claims (3)

[Claims] (1) A folded newspaper insertion tube is removably supported on the machine frame, a plastic thin film tube with a sealed tip is placed around the outer periphery of the insertion tube, and the folded newspaper is inserted from the front end of the insertion tube toward the rear end. a device for passing the newspaper and storing it in the thin film cylinder;
A folding newspaper packaging device comprising two sets of upper and lower rollers that transport the thin film cylinder rearward following the device, and a cutting machine for the thin film cylinder and a sealing machine on both sides of the cutting line provided between the two sets of upper and lower rollers. and an elevating floating arm that pivotally supports the rear upper roller, the weight of the floating arm presses the rear upper roller against the lower roller, the floating arm is raised by the rise of the front upper roller, and the front upper roller A simple newspaper packaging machine, which is equipped with a mechanism that allows the folding arm to be lowered independently from the floating arm. (2) A carry-out conveyor belt is wound around the rear upper and lower rollers, a carry-in conveyor belt is wound around the front upper and lower rollers, and the upper carry-in conveyor belt is tilted upward toward the front end roller of the belt, and the front end roller 2. A simple newspaper wrapping machine according to claim 1, wherein the front end of said lifting arm is freely supported on a rotating shaft, and the weight of said floating arm and the weight of said upper carrying-out conveyor press the rear lower roller and said lower carrying-out conveyor. (3) A sensor for detecting the tip of the folded newspaper is provided at the front of the front upper and lower rollers, a sensor for detecting the rear edge is provided at the front of the rear upper and lower rollers, and the two sets of upper and lower rollers are operated by the operation of the sensor at the tip. Claim (1) or (2), further comprising a control device that stops the two sets of upper and lower rollers and operates the cutting machine and the sealing machine on both sides of the cutting line according to the operation of the detection sensor at the rear end.
The simple newspaper packaging machine described.