JPH0227206B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Purpose of the Invention (Field of Industrial Application) The present invention is directed to cutting a drawn cylindrical film into a predetermined length and sealing the cut portion to form a bag. This relates to a bagging and packaging machine for vegetables and fruits, etc., in which the mouth part of the bag is expanded, contents are put therein, the mouth part is sealed, and the bag is discharged.

(Problems to be solved by the prior art and the invention) Conventionally, this type of bagging and packaging machine was
-There is one described in Publication No. 29956. In this device, a single chain is hung horizontally, and a plurality of mandrels are suspended from this chain.

However, the bag filling and packaging machine having this configuration may have the following problems.

In other words, since the mandrels are suspended from a single chain that spans in the horizontal direction, the rotational force of the chain causes a horizontal force to act on each mandrel, making each mandrel susceptible to lateral deflection. This will interfere with each packaging process.

In addition, in order to prevent the mandrel from wobbling laterally, it is necessary to double the two chains on the inner and outer circumferences and to hang the mandrel between them. In this case, the rotational speed of the inner and outer chains is changed to move each mandrel. must be carried out smoothly, making it extremely difficult to control the inner and outer chains.

Furthermore, since the packaging machine described above can perform each packaging process only on two sides of the chain that is stretched between a pair of sprockets, excluding the part that is stretched over the same sprocket, If this packaging bag is used, the entire packaging machine becomes large.

An object of the present invention is to provide a pair of endless main chains that are vertically spanned and horizontally opposed to each other, and that a plurality of transfer members each having an openable and closable clamp section are installed between the two main chains. By sequentially arranging the various devices responsible for one process of packaging work along the main chain, the various devices can work together effectively and operate continuously, which not only shortens the packaging work, but also It is an object of the present invention to provide a novel bag filling and packaging machine which can make the whole machine compact by effectively utilizing the space inside the machine, and can also prevent horizontal vibration of each transfer member.

Structure of the Invention (Means for Solving Problems) That is, as shown in the embodiments described later, the present invention comprises a pair of back side portions 1a, a lower side portion 1c, a front side portion 1d, and an upper side portion 1e. Endless main chain 1
The two main chains 1 are arranged so as to be hung vertically and face each other horizontally, and between the two main chains 1 there is a pair of clamp parts 11 and 13 that are always biased in the gripping direction by a spring force and can be moved toward and away from each other. and each clamp part 1
1 and 13 are attached with a plurality of transfer members 6 each provided with gripping parts 11a and 14 that can be clamped and released by being biased by a spring force, and the transfer members 6 move close to each other.
The clamp 6 comes into contact with the clamp parts 11 and 13 of
The opening of the cylindrical film F, which is previously formed into a cylindrical shape, is provided with a cam member 28 that drives the cam member 28 in the opposite gripping direction and releases the drive in the gripping direction when the moving member 6 reaches a predetermined position. A cylindrical bag that protrudes upward from the expander 19 that is held with its end open.
A holding/drawing device A that grips and pulls out both mouth edges F1, F2 of F' by gripping portions 11a, 14 of the transfer member 6 located at the predetermined positions, and this holding/drawing device A.
The cylindrical film F pulled out from the cylindrical film F is cut into a predetermined length so that both open edges of the cut cylindrical film F remain protruding from the expander 19, and the cut portion is sealed to form a single package. A seal cutting device B that forms a bag f, and both clamp portions 11 are configured to open the contents input port f1 of the packaging bag f sent from the seal cut device B by the transfer member 6, insert the stored contents, and then close it again. , 13, and this bag opening/closing device C.
The clamp parts 11, 13 seal the mouth part f1 of the packaging bag f sent by the transfer member 6 from the transfer member 6, and separate the sealed packaging bag f from the clamp parts 11, 13 of the transfer member 6. grip part 1
1a, 14 is provided, the holding/drawing device A is disposed at the direction change portion 1b between the rear side portion 1a and the lower side portion 1c, and the bag-like film F is sealed and cut. After being cut and removed by a predetermined length in device B, the seal cut is supported so as to be swingable between the tangential direction of the rear side part a and the lower side part 1c so as to return in the tangential direction of the rear side part 1a, and the seal cut is The device B is disposed corresponding to the lower side portion 1c, and the blocking grip release device D is disposed corresponding to the upper side portion 1e, and the holding/drawing device A, The bag mouth opening/closing device C and the closing grip releasing device D of the seal cutting device B are synchronized.

(Function) According to the present invention configured in this way, the transfer member 6 moves from the rear side portion 1 as both main chains 1 rotate.
When the cylindrical film F comes into contact with the cam member 28 of the expander 19 held at the direction changing part 1b, the clamp parts 11 and 13 of the transfer member 6 are opened and moved to a predetermined position. Once reached, the clamp parts 11, 13 close. Then, the transfer member 6
The gripping parts 11a and 14 grip both ends F1 and F2 of the cylindrical film F.

Thereafter, at the lower side 1c, the transfer member 6
The cylindrical film F pulled out by the cutter 45
The bag is cut into a predetermined length and sealed between the gripping plates 48 and 51 to form one packaging bag f. Next, at the front side portion 1d, the packaging bag f sent by the transfer member 6 is placed in the clamp portions 11, 1.
3 is opened, the main part input section f1 is opened and the stored items are thrown into the packaging bag f, and then, the clamp parts 11 and 13 are closed, so that the stored item input section f1 is closed again. At the upper side 1e, the opening f1 of the packaging bag f sent by the transfer member 6 is sealed by the binding machine 61, and then the grips of the grips 11a and 14 of the clamp parts 11 and 13 are released and the bag is sealed. The packaging bag f that has been removed is separated from the transfer member 6.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, a pair of endless main chains 1 have sprockets 2 and 3.
a, 3b, 4, and 5 in the vertical direction and are arranged to face each other laterally, and have a rear side hanging as a rear side between the rear upper sprocket 2 and the rear lower sprocket 3a. An upright portion 1a, a rear sloped portion 1b as a direction changing portion between both sprockets 3a and 3b at the rear lower portion, and a lower horizontal portion as a lower portion between the rear lower sprocket 3b and the front lower sprocket 4. 1c, a front vertical vertical portion 1d as a front side between the front lower sprocket 4 and the front upper sprocket 5, and a front side vertical portion 1d as the upper side between the front upper sprocket 5 and the rear upper sprocket 2. It is composed of an upper horizontal portion 1e. Four transfer members 6 are installed between both main chains 1 at equal intervals.

In this transfer member 6, as shown in FIG. 2, a fixed arm 7 is attached to the inside of both main chains 1, and a shaft is rotatably attached to the upper end of both fixed arms 7 as shown in FIG. The rotary arm 8, which is attached to the rotary arm 8, is normally closed against the fixed arm 7 as shown in FIG. 3 by the bias of a spring 10. A fixed clamping plate 11 is installed between both fixed arms 7 and between both rotating arms 8, and a pair of supporting shafts 12 supported on the upper surface of both fixed clamping plates 11 are formed in a bifurcated shape. A movable clamping plate 13 is supported rotatably and movably in the axial direction. The clamping arm 14 of each movable clamping plate 13 extending downward from the inside of the support shaft 12 is adapted to come into contact with the clamping surface 11a inside the fixed clamping plate 11. Further, the fixed clamping plate 1 is connected to the support shaft 12.
A movable arm 15 of each movable clamping plate 13 extending outwardly of 1
The cam roller 16 is supported by a slide shaft 17, and when the movable arm 15 of the movable holding plate 13 moves along the support shaft 12, the cam roller 16 also moves along the slide shaft 17 together with the movable arm 15. There is. Both ends of this slide shaft 17 are biased in the direction of arrow a by a spring 18, so that the clamping arm 14 of the movable clamping plate 13 and the clamping surface 11a of the fixed clamping plate 11 are always closed. The fixed clamping plate 11 and the movable clamping plate 13 constitute a clamping section, and the clamping surface 11a and the clamping arm 14 constitute a gripping section.

Next, the outline of each device sequentially disposed along the main chain 1 so as to perform one step of the packaging operation in synchronization with the movement of the transfer member 6 accompanying the rotation of both main chains 1 will be explained.

The opening edges F1 and F2 of the cylindrical bag F' are inserted into the clamp parts 11 and 13 of the transfer member 6 from the expander 19 which opens and holds the cylindrical film F which has been formed into a cylindrical shape in advance. The holding/drawing device A that is gripped and pulled out will be explained according to FIGS. 1 to 7.
As shown in FIGS. 4 to 4, in the expander 19 disposed between the rear oblique portions 1b of the main chain 1, both guide rails 21 are obliquely fixed to the machine frame 20. The chassis 22 is movably fitted into the frame 22 and is always urged in the direction of the arrow b by the spring 23.
is rotatably supported by the chassis 22. As shown in FIG. 3, this expander 19 is always biased in the direction of arrow c by a spring 25, and when it comes into contact with a stopper pin 26, it always stays in the rear vertical portion 1a.
It is held in an upright state, that is, in a standby position P1, so as to face in a tangential direction. The supporting leg plate 27 supported inside the expander 19 is inserted through the opening of the cylindrical film F that is fed out in a band shape while remaining closed.
The opening of this cylindrical film F is opened in a half-open shape exhibiting an elongated rectangle to form a cylindrical bag F'. Both end edges F1 and F2 of this cylindrical bag F' are slightly projecting outward from the upper end of the supporting leg plate 27. The transfer member 6 is moved toward the expander 19 in which the cylindrical film F is set and held in this manner.
descends along the rear vertical portion 1a of the main chain 1.

A pair of cam members are provided on both outer sides of the transfer member 6 that moves toward the expander 19 at positions close to the upper edges of the mouth edges F1 and F2 of the cylindrical bag F', corresponding to each movable holding plate 13. Cam plates 28 and 29 are arranged to face each other, and the upper edges of these cam plates 28 and 29 serve as inlets 28a and 29a, and the lower edges thereof serve as outlets 28b and 29b. As shown in FIG. 3, the distance L between the inner surfaces of the cam plates 28 and 29 becomes narrower as it approaches the expander 19.
When the transfer member 6 moves toward the expander 19, the cam roller 16 of the movable arm 15 of each movable clamping plate 13 moves toward the cam plate 1 as shown by the imaginary line in FIG.
The movable arm 15 passes through the inlets 28a and 29a of the springs 8 and 29 and comes into contact with their inner surfaces.
The clamping arm 14 of each movable clamping plate 13 and the clamping surface 11a of the fixed clamping plate 11 are opened. After that, the cam roller 16 of the movable arm 15 moves to the outlet 28b of the cam plates 28, 29,
29b and away from its inner surface, the movable arm 1
5 returns due to the bias of the spring 18, and the clamping arm 14 of the movable clamping plate 13 returns as shown by the solid line in FIG.
and the clamping surface 11a of the fixed clamping plate 11 are closed again,
Both ends F1 and F2 of the cylindrical film F set and held in the expander 19 are gripped.

Furthermore, the cylindrical bag set and held in the expander 19
To explain in detail the transfer of the cylindrical bag F' to the seal cutting device B after the transfer member 6 grips the mouth edges F1 and F2 of F', as shown in FIGS. 2 and 3,
Connecting holes 30 are provided in both fixed arms 7 of the transfer member 6.
, and connecting protrusions 31 are provided on both left and right sides of the upper end of the expander 19 in correspondence with the connecting holes 30 . Then, as shown in FIG.
At the same time as gripping 1 and F2, the connecting protrusion 32 is introduced into the connecting hole 30, and the transfer member 6 and the expander 19 are
are integrally combined. The transfer member 6 moves from the rear vertical portion 1a of the main chain 1 through the rear oblique portion 1b to the lower horizontal portion 1c, and moves from the gripping position Q1 shown in FIG. 5 to the pull-out position Q2 shown in FIG. As the vehicle is converted, the chassis 22 moves on the guide rail 21 against the bias of the spring 23, and the expander 19
The lower horizontal portion 1c shown in FIG. 7 moves integrally with the transfer member 6 from the standby position P1 shown in FIG. 3 while rotating around the support shaft 24 against the bias of the spring 25.
The direction is changed to the laid-down state, that is, to the pulled-out position P2 so as to face in the tangential direction of .

Further, engaging protrusions 3 are provided on both left and right sides of the expander 19.
2 is provided protrudingly, and a pair of engaging members 34 fixed to the rotating shaft 33 at a position close to the expander 19 are always engaged by a spring 35 so that the d
It is biased in the direction of the arrow. When the expander 19 falls down as described above, this engaging member 3
4 falls down against the bias of the spring 35 as shown by the imaginary line in FIG. 3 due to the rotation of the rotation shaft 33.
After the expander 19 is completely laid down together with the transfer member 6, the engaging member 34 returns to its original position under the force of the spring 35, as shown by the solid line in FIG. engage with. Therefore, the expander 19 is held in the collapsed state, that is, in the pulled-out position P2.

Thereafter, as shown by the imaginary line in FIG. 7, the mouth edges F1 and F2 of the cylindrical bag F' are pulled out from the expander 19 by the transverse movement of the transfer member 6, and the transfer member 6 and the expander 19 are separated. Then, the drawn-out cylindrical bag F' is cut into a predetermined length by a seal cutting device B, which will be described next, and sealed at the cut portion, so that the cylindrical bag F' becomes one packaging bag. On the other hand, almost simultaneously with this seal cut, the cylindrical bag F' is set and held in the expander 19 as in the case described above, and the engagement between the engagement protrusion 32 and the engagement member 34 is released. The expander 19 is connected to the springs 23, 2.
5 returns to the standby position P1 again.
Then, the next transfer member 6 descends toward the expander 19, and continuous operation is performed.

Although not described in detail, the cam plates 28, 28
By moving 29 and 29 toward and away from each other, the interval between both movable clamping plates 13 is changed as shown in FIG. It is now possible to change it freely.

Figs. 1 and 8 to 11 show a seal cutting device B that cuts the cylindrical film F pulled out from the holding/drawing device A into a predetermined length and seals the cut portion to form a single packaging bag. To explain this, as shown in FIGS. 8 and 9, endless driven chains 36 and 37 are installed on the outside of the lower horizontal portion 1c of both main chains 1, extending between two pairs of upper and lower sprockets 38. has been done.
Further, a base plate 39 is supported below the driven chains 36, 37 so as to be movable along a rail 40 in the same direction as the transfer direction of the transfer member 6. Supports 41 are erected on both left and right sides of the base plate 39 in close proximity to the insides of the driven chains 36 and 37. Both columns 41 have a pair of upper and lower movable cylinders 42,
43 is inserted and fitted, and the upper moving cylinder 42 is attached to the upper endless driven chain 36,
A lower moving cylinder 43 is attached to the lower endless driven chain 37. These moving cylinders 42,
43, as shown in FIG. 8, the upper moving cylinder 42 is connected to the upper driven chain 36
When the lower moving cylinder 43 is located in the upper orbit of
is located on the lower track of the lower driven chain 37. Therefore, the vertically movable cylinder 42,
43 moves up and down along the support column 41 as both driven chains 36 and 37 rotate, and periodically approaches and separates from each other.

Both upper and lower movable cylinders 4 inserted into both the pillars 41
2, 43, a support stand 44 is installed between both upper movable cylinders 42, and a cutter mechanism is mounted on a portion sandwiched between gate-shaped portions 44a formed on both left and right sides of the support stand 44. ing. As shown in FIG. 9, this cutter mechanism includes a cutter 45 which is always biased by a spring 46 in the direction of the arrow e, that is, in the direction to be cut;
The solenoid 47 is configured to move in the opposite direction of the arrow e, that is, in the cutting direction, against the bias of the solenoid 47. Further, on the inside of this cutter 45, that is, on the side in the transfer direction of the transfer member 6, a clamping plate 48 is attached to the lower side of the support base 44 and is always urged in the direction of arrow g by a spring 49 in correspondence with the cutter 45. It is being On the other hand, the upper clamping plate 4 is attached to a support stand 50 installed between both lower movable cylinders 43.
A similar clamping heat plate 51 is attached opposite to 8.

Then, as shown in FIG. 8, the upper movable cylinder 4
2 is located on the upper track of the upper endless driven chain 36, the cutter 45 and the upper clamping plate 48 are at the highest position, and the lower movable cylinder 43
is located on the lower track of the lower endless driven chain 37, the lower clamping heat plate 51 is at the lowest position, allowing the transfer member 6 to pass between them as shown in FIG. do. After the transfer member 6 has passed, as shown in FIG. is the lower driven chain 3
As the cutter 45 moves along the outer periphery of the sprocket 38 from the lower track to the upper track of 7, the upper and lower holding plates 48 and 51 close, and the cylindrical bag F' pulled out from the expander 19 is removed. are held between the holding plates 48 and 51 and sealed by heat. Almost at the same time as this heat sealing, the limit switch 52 for cutter operation is turned on by the gate-shaped portion 44a of the upper support base 44, the solenoid 47 of the cutter mechanism is activated, and the cutter 4
5 moves downward in the direction of the arrow e against the bias of the spring 46 to cut the cylindrical bag F' near the heat-sealed portion. The cylindrical bag F' cut to a predetermined length in this manner becomes one packaging bag f, which is held between the clamp portions 11, 13 of the transfer member 6 and both clamping plates 48, 51. When the transfer member 6 is transferred in this state, the gate-shaped portion 44a of the upper support stand 44 separates from the limit switch 52 for cutter operation, and the switch 52 is turned OFF and the cutter 45 is moved.
is moved upward in the direction of the arrow e by the bias of the spring 46. Thereafter, as the movable tubes 42 and 43 are separated, the clamping plates 48 and 51 are separated again, and one packaging bag f is transferred by the transfer member 6 to the bag mouth opening/closing device C for the next process. On the other hand, after cutting, the expander 1
As described above, the next cylindrical bag F' is set and held in the expander 9, and the expander 19 is returned to the upright position shown by the imaginary line in FIG.

Although not described in detail, the interlock between the main chain 1 that transfers the transfer member 6 and the endless driven chain 36 to which the cutter mechanism is attached is released by the clutch 4A shown in FIG. can be operated independently, thereby making it possible to adjust the length of the cylindrical film F by changing the relative positional relationship between the transfer member 6 and the cutter mechanism.

FIGS. 1 and 12 show a bag mouth opening/closing device C that opens and closes both clamp portions 11 and 13 to open and close the storage material input port f1 of the packaging bag f sent by the transfer member 6 from the seal cut device B. figure~
Explaining according to FIG. 15, a base plate 53 installed near the front lower sprocket 4 of the sprockets on which the main chain 1 is stretched,
A guide member 54 erected between the vertical vertical portions 1d of the left and right main chains 1 along the moving direction of the transfer member 6 is rotatably mounted on a shaft 55 at its lower end. The guide member 54 is composed of left and right guide rods 56 and a plate 57 for resting the stored items between the guide rods 56 except for the entrance portion 56a at the lower end and the outlet portion 56b at the upper end.
A guide surface 58 is formed along the longitudinal direction of both guide rods 56, and this guide surface 58 and the movement locus of the transfer member 6, that is, the main chain 1
The distance M from the vertical vertical portion 1d of the front side is narrow near the inlet portion 56a and the outlet portion 56b, and widened therebetween. Moreover, the steady rest plate 57
When the operating rod 59 connected to the inside of the guide member 54 is operated, the guide member 54 is moved as shown by the imaginary line in FIG.
is tilted within a certain angle range around a shaft 55 at its lower end.

As shown in FIGS. 13 and 14, engagement protrusions 60 are provided at the tips of both rotating arms 8 of the transfer member 6.
protrudes inward. This engaging protrusion 6
0 enters the entrance portion 56a of both guide rods 56 and comes into contact with the guide surface 58 as shown in FIG. 14 when the transfer member 6 moves upward along the front vertical portion 1d of the main chain 1, As the transfer member 6 rises, it comes into contact with this guide surface 58 and is guided and regulated.
That is, as the distance M gradually increases, the 15th
As shown in the figure, the rotating arm 8 of the transfer member 6 is forcibly opened with respect to the fixed arm 7 against the bias of the spring 10, thereby moving both clamp parts 11 and 13 of the transfer member 6 from the closed state. The opening f1 of the packaging bag f is opened. At this time, the stored items are put into the opened packaging bag f. When the distance M is gradually narrowed at the outlet portion 56b after the stored items are put in, the rotating arm 8 gradually closes with respect to the fixed arm 7 due to the bias of the spring 10, and both clamp portions 11, 1
3 closes again. In addition, when adjusting the opening width of the packaging bag f, the operating rod 59 is operated to adjust the tilting of the guide member 54 as described above.

The opening f1 of the packaging bag f sent by the transfer member 6 from the bag opening/closing device C is sealed, and the sealed packaging bag f is separated from the clamp parts 11 and 13 of the transfer member 6. The occlusion grip release device D that releases the grip of the clamp parts 11 and 13 as shown in FIG. 1 and FIGS. 16 to 20 will be explained below. A known commercially available one is used, and as shown in FIG. 20, the opening f1 of the packaging bag f can be bound and sealed with tape T. The transfer member 6 suspends and supports the opening f1 of the packaging bag f along the upper horizontal portion 1e of the main chain 1 at h in FIG.
A conveying section 62 moves in the direction of the arrow and conveys the packaging bag f while twisting its opening f1 (patent application No. 57-233141).
(see No. 1), and then transferred to the binding device 61.

As shown in FIG. 18, a guide plate 64 rotatably supported by a support shaft 63 is provided above between the upper horizontal portions 1e of both main chains 1 and extends in the direction of movement of the transfer member 6. A connecting rod 68 is rotatably attached to shafts 69, 7 between a bracket 65 fixed to the upper surface of the proximal side of the guide plate 64 and the tip of a rotary arm 67 fixed to a drive shaft 66 above the bracket 65.
0th place. Then, when the rotating arm 67 pivots as the drive shaft 66 rotates, the guide plate 64 connects the first
It is designed to tilt between the highest position shown in FIG. 8 and the lowest position shown in FIG. 19. The guide plate 64 at the highest position is inclined upward in the moving direction of the transfer member 6, and the guide plate 64 at the lowest position is substantially horizontal.

As shown in FIG. 18, a presser member 71 is movably supported on the guide plate 64, and this presser member 71 is attached to a roller 72 that rolls along the guide plate 64.
The vehicle is comprised of a chassis 72 having a diameter of 1.a and a pair of presser plates 73 attached to the lower part of the chassis 72, and the presser plates 73 are disposed such that the distance between them increases as they move downward. Further, a stopper 74 is fixed to the base end side of the guide plate 64 so that its position can be adjusted, and when the guide plate 64 is at the highest position as shown in FIG. The guide plate 64 is in contact with the guide plate 64 so that it does not move any further toward the proximal end side of the guide plate 64.

When the transfer member 6 moves on the transfer section 62 and reaches the front side of the binding device 61, the guide plate 64 moves to the first position.
As shown in Fig. 8, when the presser member 71 is tilted downward from the highest position, the presser member 71 descends with the tilting, and the first
As shown by the imaginary lines in FIG.
Contact 6. Due to this contact, the holding member 71 moves along the guide plate 64 as the transfer member 6 moves. In the meantime, the opening f1 of the packaging bag f reaches the binder 61 and is bound with tape T. After binding, when the guide plate 64 further tilts to the lowest position shown in FIG.
3 bites into the cam roller 16 of the movable clamping plate 13.
Then, the movable arm 15 of the movable clamping plate 13 rotates in the direction of arrow A against the bias of the spring 18, and the clamping surface 11a of the fixed clamping plate 11 and the clamping arm 14 of the movable clamping plate 13 open. The packaging bag f falls onto the shooter 75 shown in FIG. After that, guide plate 6
4 tilts upward from the lowest position shown in FIG.
As it rises, the presser plate 73 of the presser member 71 separates from the cam roller 16 of the movable clamping plate 13 and the movable arm 1 of the movable clamping plate 13 moves upward.
5 is returned by the bias of the spring 18, and the gap between the clamping surface 11a of the fixed clamping plate 11 and the clamping arm 14 of the movable clamping plate 13 is closed again. Furthermore, the guide plate 6
4 tilts upward, the holding member 71 moves toward its base end along the oblique guide plate 64, and comes into contact with the stopper 74 at the lowest position shown in FIG. In this state, the next transfer member 6 is
1, and the grip on the packaging bag f is released under the same action as described above.

Thereafter, the direction of the transfer member 6 is changed from the upper horizontal part 1e of the main chain 1 to the rear vertical part 1a,
It descends toward the expander 19 of the holding/drawing device A.

The main chain 1 is laid out in a substantially square shape; however, the main chain 1
The bag opening opening/closing device C may be arranged on the upper horizontal portion 1e of the main chain 1 by hanging the bag opening and closing device C so as to be longer in the lateral direction. In addition, in the embodiment, the transfer member 6 is 4
However, as long as there are two or more bodies, it can be changed as appropriate.

(Effects of the Invention) The present invention described in detail above has the rear side portion 1a and the lower side portion 1.
A pair of endless main chains 1 each having a front side portion 1d and a top side portion 1e are arranged in a vertically extending manner and facing each other horizontally. A pair of clamp parts 11,1
A plurality of transfer members 6 having grip portions 11a and 14 provided on the clamp portions 11 and 13 are mounted at equal intervals, and the movement of the transfer members 6 as the two main chains 1 rotate. In synchronization, the above-mentioned holding/drawing device A, seal cutting device B, bag mouth opening/closing device C, and closure/grip release device D were sequentially arranged along the main chain 1, so that each device A, B, C, Not only can D effectively cooperate to perform continuous operation and shorten the packaging work, but also the space inside the machine can be effectively used to make the entire machine more compact. This also has the effect of preventing lateral wobbling of 6.

[Brief explanation of drawings]

Fig. 1 is a schematic side view showing a bagging and packaging machine which is an embodiment of the present invention, Figs. 2 to 7 show a holding/drawing device, Fig. 2 is a front view thereof, and Fig. 3 is a side view thereof. 4 is a partial sectional view showing the support structure of the expander, FIG. 5 is an explanatory diagram showing the opening and closing operation of the clamp portion of the transfer member, and FIG. 6 is a movable clamp of the transfer member. FIG. 7 is an explanatory diagram showing the direction change operation of the transfer member and expander. FIGS. 8 to 11 are diagrams showing the seal cut device, and FIG. 8 is a front view thereof. 9 is a sectional view as seen from the side, FIG. 10 is a partial sectional view showing the interlocking mechanism from the main chain to the driven chain, and FIG. 11 shows the cut length adjustment function. 12 to 15 show the bag mouth opening/closing device, FIG. 12 is a front view thereof, FIG. 13 is a side view thereof, and FIGS. 14 and 15 show the opening/closing action of the packaging bag. Partial sectional view, Figure 16~
FIG. 19 shows a blockage grip release device, FIG. 16 is a front view thereof, FIG. 17 is a sectional view taken along the line X-X in FIG. 16, and FIGS. 18 and 19 are explanatory views showing the grip release action. FIG. 20 is a partial perspective view showing the packaging bag bound with tape. Main chain...1, rear vertical part...1a,
Rear side oblique part...1b, lower side horizontal part...1c, front side upright part...1d, upper side horizontal part...1e, transfer member...6, holding/drawing device...A, seal cutting device...B , Bag mouth opening/closing device...C, Closure grip release device...D, Tubular film...F, Tubular bag...F',
Packaging bag... f.

Claims (1)

[Claims] 1. A pair of endless main chains 1 provided with a rear side portion 1a, a lower side portion 1c, a front side portion 1d, and an upper side portion 1e.
The two main chains 1 are arranged so as to be hung vertically and face each other horizontally, and between the two main chains 1 there is a pair of clamp parts 11 and 13 that are always biased in the gripping direction by a spring force and can be moved toward and away from each other. and each clamp part 1
A plurality of transfer members 6 each provided with gripping portions 11a and 14 that can be clamped and released by being biased by a spring force are attached to 1 and 13, and the clamp portions 11 and 1 of the transfer members 6 that move close to each other are attached.
3 to drive the clamp 6 in the opposite gripping direction, and also to release the drive in the gripping direction when the transfer member 6 moving closer is located at a predetermined position. Expander 19 that opens and holds the mouth end of the formed cylindrical film F
Both ends F1, F of the cylindrical bag F' projecting upward from
A holding/drawing device A that grips and pulls out the cylindrical film F by the gripping portions 11a, 14 of the transfer member 6 located at the predetermined position, and a cylindrical film F after being cut. A seal cutting device B that cuts a bag to a predetermined length so that the opening edges at both ends are left protruding from the expander 19 and seals the cut portion to form one packaging bag f; and a transfer member 6 from the seal cutting device B. A bag mouth opening/closing device C opens and closes both clamp parts 11 and 13 so as to open the contents input port f1 of the packaging bag f sent by the user, insert the contents therein, and then close the clamp parts 11 and 13 again.
Then, the opening f1 of the packaging bag f sent from the bag opening/closing device C by the transfer member 6 is sealed, and the sealed packaging bag f is transferred from the clamp parts 11 and 13 of the transfer member 6. A closing grip release device D is provided to release the grip of the grip portions 11a and 14 of the clamp portions 11 and 13 so as to release the holding and drawing device A from the rear side portion 1a and the lower side portion 1c.
After the bag-shaped film F is cut and removed by a seal cutting device B to a predetermined length, the rear side a is placed in the direction change part 1b between the rear side a and the rear side a. and the lower side part 1c so as to be swingable in a tangential direction between the seal cutter B and the lower side part 1c, and the bag opening opening/closing apparatus C corresponding to the front side part 1d, Release devices D are arranged corresponding to the upper side portions 1e, and as the transfer member 6 moves with the rotation of both main chains 1, the holding/drawing device A, the seal cut device B, the bag mouth opening/closing device C, and the closing/gripping release are performed. Device D
A bag filling and packaging machine characterized by synchronizing the.