JP5399435B2 - Article supply conveyor of horizontal bag making and filling machine - Google Patents

Description

  The present invention relates to a supply conveyor of a horizontal bag making and filling machine that supplies articles toward a cylindrically formed film.

  In the horizontal bag making and filling machine, the supply conveyor is the point where it comes into contact with the goods. Especially for the packaging of food, etc., from the viewpoint of hygiene, including the frame of the conveyor and other structures, it can be removed from the conveyor as necessary. The entire conveyor is cleaned and cleaned with alcohol or water by removing the carrier. Therefore, a configuration in which a belt conveyor is detachably mounted on a movable table supported by a supply frame and movable between an article conveying position and a retracted position, like the article supply conveyor disclosed in Patent Document 1, is proposed. Has been. The supply conveyor of Patent Document 1 is configured to retract a side cover that covers an opening on one side of the belt conveyor, open the opening, and operate an operation handle that appears by opening the side cover to advance and retract Is activated to loosen the endless belt of the belt conveyor. Then, by moving the moving platform on which the belt conveyor is placed to one side, it passes through the opening that opens to the lower side of the article guide on one side and reaches the retreat position beyond the article guide. It can be pulled out.

Japanese Patent No. 4603937

  The above-described article supply conveyor cannot operate the operation handle of the advance / retreat mechanism or pull out the belt conveyor unless the side cover is opened, and further simplification is required.

  That is, the present invention has been proposed in order to suitably solve the problems inherent in the article supply conveyor according to the prior art, and is accompanied by cleaning of the belt conveyor or replacement of parts of the belt conveyor. An object of the present invention is to provide an article supply conveyor of a horizontal bag making and filling machine that can easily perform maintenance work.

In order to overcome the above-mentioned problems and achieve the intended object, an article supply conveyor for a horizontal bag-filling machine according to claim 1 of the present application is:
In an article supply conveyor of a horizontal bag making and filling machine that supplies articles at predetermined intervals to a cylindrical film formed by bag making means,
A belt conveyor that is detachably supported with respect to the conveyor base of the article supply conveyor, and is placed on an endless belt wound around a plurality of rotating bodies to convey the article;
The movable rotating body of the plurality of rotating bodies, and advancing and retracting mechanism wherein the endless belt is moved back and forth movably supported relative to said endless belt so as to state to become a relaxed state strung,
Said to one side of the belt conveyor is linked to the forward and reverse mechanism with are pivotably provided, the operating cover that constitutes the outer surface of the article supply conveyor in a normal posture along a one side of the belt conveyor,
A side cover provided on the conveyor base and covering the other side of the belt conveyor;
The belt conveyor, the normal in conjunction to the open operation of the operation cover to the dynamic attitude or al times, detachable movable rotating body of the endless belt for a plurality of rotating bodies by endless belt is loosened retreated from the endless belt together but operates the forward and reverse mechanism as permitted, the movable rotating body advancing and retracting mechanism in conjunction to closing manipulation of returning the operating cover in the normal position is operated so as to tension the advance Nde endless belt toward the endless belt It is characterized by having a configuration.

In the invention according to claim 2, a pair of article guides for guiding the side of the article conveyed by the endless belt;
A guide support provided on each of the article guides to hang outwardly of the belt conveyor;
An adjustment mechanism that is provided on the conveyor base and located below the endless belt, and that adjusts the distance between a pair of article guides via the guide support portion supported by an attachment portion;
The guide support portion is rotatably connected to the attachment portion,
Each article guide is configured to be rotatable between a guide position of an article facing the conveying surface of the endless belt and an open position retracted outward of the belt conveyor.

  In the invention according to claim 3, the belt conveyor is configured such that the other side portion is detachably connected to an engagement support portion provided so as to extend upward to the other side portion of the conveyor base. The endless belt is cantilevered with a gap in which the endless belt can be inserted and removed.

  In the invention which concerns on Claim 4, the said engagement support part is supported so that the conveyance surface of the said endless belt may become horizontal, and it connects with the other side part of a belt conveyor by raising the one side part side of a belt conveyor. It is characterized in that the state can be released.

  In the invention according to claim 5, a plurality of trays which are positioned below the endless belt and receive fallen objects from the endless belt are inserted into and removed from one side in the article conveyance direction. It is characterized by being installed as possible.

  In the invention which concerns on Claim 6, the drive means provided in the said conveyor base and the drive transmission means provided in the said belt conveyor which transmit the drive of a drive means to the said endless belt are accompanying attachment or detachment of a belt conveyor. It is characterized in that it can be engaged and disengaged.

In the invention according to claim 7, a plurality of belt conveyors are provided in connection with the conveying direction of the article,
Each belt conveyor is characterized in that the operation cover is provided so as to cover an upstream end or a downstream end in the article transport direction on the one side surface.

According to the invention according to claim 1, since the operation cover is configured to be linked to an advance / retreat mechanism that moves the movable rotating body forward / backward with respect to the endless belt, the one-action operation merely opens the operation cover, The endless belt can be loosened by operating the advance / retreat mechanism, and the endless belt can be attached to and detached from the rotating body. In addition, since the operation cover constitutes the outer surface of the article supply conveyor, it is not necessary to provide another cover outside the operation cover, and it is not necessary to open another cover when the belt conveyor is attached or detached. The attachment / detachment workability can be improved. That is, maintenance work such as cleaning and replacement of the endless belt of the belt conveyor can be easily performed.
According to the second aspect of the present invention, the article guide for guiding the article conveyed by the endless belt can be retracted to the open position located on the outer side of the belt conveyor. do not become.
According to the invention of claim 3, since the belt conveyor is cantilevered with a gap between the belt support and the conveyor base, the endless belt can be attached to and detached from the rotating body. It can be made easier.
According to the invention of claim 4, since the connection state between the belt conveyor and the engagement support portion can be released by a simple operation of lifting one side portion of the belt conveyor, the detachability of the belt conveyor is improved. can do.
According to the invention which concerns on Claim 5, falling objects, such as waste of the articles | goods conveyed by an endless belt, can be received by the saucer installed under the belt conveyor. Further, since the tray can be inserted and removed from one side of the belt conveyor, the tray can be easily cleaned.
According to the sixth aspect of the invention, the drive means disposed on the belt conveyor and the drive transmission means disposed on the belt conveyor are engaged and disengaged with the attachment / detachment of the belt conveyor. The attachment / detachment workability can be improved.
According to the seventh aspect of the present invention, the operation cover is configured to cover the upstream end or the downstream end in the article transport direction on one side of the belt conveyor, so that the operation cover can be made relatively small, and the operation cover can be opened and closed. Easy to operate.

1 is a front view showing an article supply conveyor of a horizontal bag making and filling machine according to a preferred embodiment of the present invention. It is a top view which shows the article supply conveyor of the horizontal form bag making and filling machine of an Example, Comprising: The article guide is abbreviate | omitted. (a) is the sectional view on the AA line of FIG. 1, (b) is explanatory drawing about attachment / detachment of a belt conveyor. The article supply conveyor of the horizontal bag making and filling machine according to the embodiment is a plan view of the main part of the endless belt, with part of the endless belt cut away, (a) showing the state where the movable pulley is in the tension position, (b) The state which has a movable pulley in a loose position is shown.

  Next, a preferred embodiment of the article supply conveyor of the horizontal bag making and filling machine according to the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the horizontal form-fill machine according to embodiment a strip film fed out from a supply source is formed into tubular shape by Seibukuro means 100, feed conveyor with respect to the tubular film Articles are supplied at a predetermined interval from 10 and a center seal is continuously applied. And the cylindrical film with which the articles | goods were filled with the predetermined space | interval is transferred downstream, and it is comprised so that an end seal may be given before and after pinching the articles | goods in a cylindrical film. Note that the operator is adapted from one side in the direction orthogonal to the article conveying direction of the articles to the transverse shape bag filling machine is conveyed by the supply conveyor 10 to perform a driving operation, this operation side Is referred to as the front side (one side), and the opposite side is referred to as the back side (the other side).

  The supply conveyor 10 is connected to a first belt conveyor 12 on which an article can be placed and conveyed, and is connected to a downstream side of the first belt conveyor 12, and the article is directed toward a cylindrical film formed by the bag making means 100. Is basically provided (see FIG. 1 or FIG. 2). Note that an auxiliary conveyor 16 to which articles are delivered from the second belt conveyor 14 is disposed on the downstream side of the second belt conveyor 14 in a gap below the bag making means 100.

  In the supply conveyor 10, the first belt conveyor 12 and the second belt conveyor 14 are detachably supported with respect to the conveyor base 20, and the first belt conveyor 12 and the second belt conveyor 14 are arranged above the conveyor base 20. And are arranged in series (see FIG. 1). The conveyor base 20 includes a side cover that extends above the conveyor base 20 and extends a predetermined length in the article conveying direction at a position on the back side away from the article conveying line in the belt conveyors 12 and 14. 22 (see FIG. 2), and the side covers 22 cover the back side surfaces (other side surfaces) of the first belt conveyor 12 and the second belt conveyor 14. That is, the upper side of the conveyor base 20 has a side cover 22 extending on the back side, while the front sides of the belt conveyors 12 and 14 disposed on the conveyor base 20 are open.

  As shown in FIG. 2 or FIG. 3, the conveyor base 20 is provided with a plurality of engagement support portions 24 provided so as to extend upward at the end edge on the back side, spaced apart in the article transport direction. It has been. Each of the belt conveyors 12 and 14 has an engagement connecting portion 30 provided on the back side surface detachably connected to a corresponding engagement support portion 24 so that an endless belt 78 can be inserted into and removed from the upper portion of the conveyor base 20. It is cantilevered with a clear gap S (see FIG. 3A). The gap S formed below the belt conveyors 12 and 14 is covered with the side cover 22 on the back side, but is open on the front side. In the embodiment, two engagement support portions 24, 24 are provided on the front side of the side cover 22 corresponding to the belt conveyors 12, 14, and corresponding to the two engagement support portions 24, 24, Two engagement connection portions 30 and 30 are provided on the back side surfaces of the belt conveyors 12 and 14.

  Each engagement support portion 24 includes a plate-like portion 25 erected on the upper portion of the conveyor base 20, a round bar-like first support shaft 26 extending from the plate-like portion 25 in the article conveying direction, and a first support. A round bar-shaped second support shaft 28 that is disposed on the near side and the lower side of the shaft 26 and extends from the plate-like portion 25 in the same article conveyance direction as the first support shaft 26 (FIG. 2 or FIG. 3). reference). Each engagement connecting part 30 is provided with a plate-like piece 31 extending from the side surface of the conveyor body 70 to the back side, and a recess provided so as to open to the back side at the back edge of the plate-like piece 31. It is comprised from the 1st connection recessed part 32 and the 2nd connection recessed part 34 dented so that it may open to the substantially lower side at the lower end edge of the plate-shaped piece 31 (refer FIG. 3). The opening width and the shape of the closed end of the first connection recess 32 are set in accordance with the outer shape of the first support shaft 26, and the first connection recess 32 is aligned with the first support shaft 26 fitted in the first connection recess 32 without deviation. ing. The opening width and the shape of the closed end of the second connection recess 34 are set in accordance with the outer shape of the second support shaft 28, and the second connection recess 34 is aligned with the second support shaft 28 fitted in the second connection recess 34 without deviation. ing. In addition, the 2nd connection recessed part 34 is formed so that the opening edge part of this side may extend below the opening edge part of a back | inner side.

  The engagement support portion 24 and the engagement connection portion 30 are connected to each other by fitting the first support shaft 26 into the first connection recess 32 and fitting the second support shaft 28 into the second connection recess 34. The As a result, the first connection recess 32 is locked to the first support shaft 26 and the upward movement of the belt conveyors 12 and 14 is restricted, and the second connection recess 34 is engaged with the second support shaft 28. The movement of the belt conveyors 12 and 14 to the lower side is restricted and the endless belt 78 is cantilevered so that the conveying surface is horizontal (see FIG. 3A). Further, the belt conveyors 12 and 14 lift the front side with the first support shaft 26 as a fulcrum, so that the second connection recess 34 is detached from the second support shaft 28. The 1st connection recessed part 32 remove | deviates from the 1 support shaft 26, and the connection state of the engagement support part 24 and the engagement connection part 30 is cancelled | released (refer FIG.3 (b)). Further, when the belt conveyors 12 and 14 are installed, the first support shafts 26 are fitted into the first connecting recesses 32 in a posture in which the front side of the belt conveyors 12 and 14 is inclined obliquely upward. The second support shaft 28 is fitted into the second connection recess 34 by lowering the front side with the boss 26 as a fulcrum. The belt conveyors 12, 14 are provided with a pair of grip handles 36, 36 on both side surfaces of the conveyor main body 70. it can. In this way, the connection state between the engagement connecting portion 30 of the belt conveyors 12 and 14 and the engagement support portion 24 of the conveyor base 20 can be achieved by a simple operation of lifting the front side of the belt conveyors 12 and 14 without using a tool. Therefore, it is possible to improve the detachability of the belt conveyors 12 and 14.

  A plurality of trays 38 which are positioned below the endless belts 78 of the belt conveyors 12 and 14 and receive fallen objects from the endless belts 78 are arranged on the upper side of the conveyor base 20 in the article transport direction from the front side. It is installed as possible (see FIG. 1 or FIG. 3 (a)). The plurality of trays 38 are placed on the upper side of the conveyor base 20, face the gap S below the cantilevered belt conveyors 12, 14, and the trays 38 are inserted / removed through the gaps S opened to the front side. It is possible. In this way, scraps of articles conveyed by the endless belt 78 by the receiving tray 38 that is installed under the endless belt 78 in the belt conveyors 12 and 14 using the gap S for attaching and detaching the endless belt 78 effectively. You can receive falling objects. Further, since the tray 38 can be inserted / removed from the front side of the belt conveyors 12, 14, the tray 38 can be easily cleaned and maintained.

  As shown in FIG. 1 or FIG. 3 (a), a pair of article guides 50, 50 are provided above the first belt conveyor 12 and the second belt conveyor 14 so as to face each other across the article conveyance line. The left and right sides of the articles conveyed by the belt conveyors 12 and 14 are guided by a pair of article guides 50 and 50 whose distances are adjusted over a predetermined length in the article conveying direction. A plurality of (two in the embodiment) guide support portions 52, 52 are provided vertically downwardly on the outer end side of each article guide 50 in the article conveying direction. Each guide support portion 52 extending outward is rotatably supported by a mounting portion 55 of an adjusting mechanism 54 disposed below the belt conveyors 12 and 14 in the conveyor base 20. The adjustment mechanism 54 includes an adjustment unit 56 that includes a pair of racks 57 and 57 that extend in parallel in the width direction and are spaced apart from each other, and a pinion 58 that is provided between the racks 57 and 57 and meshes in common. The operation unit 60 is provided with a plurality of units spaced apart in the article conveyance direction, and is connected to the pinion 58 of the adjustment unit 56 via the connection shaft 59 by gear transmission, and is adjusted to the end of the operation shaft extending to the front side. A handle 62 is provided. The pair of article guides 50 and 50 are configured to move toward and away from each other via the operation unit 60 and the gear transmission mechanism of each adjustment unit 56 based on the rotation operation of the adjustment handle 62.

  In each adjustment portion 56, each of the attachment portions 55 that are integrally disposed on each rack 57 has an end portion that extends outward, and a guide support portion 52 of the article guide 50 is freely rotatable via a hinge 53. Supported by Each article guide 50 includes a guide position (see FIG. 3A) of articles facing substantially horizontally above the conveying surface of the endless belt 78 in the belt conveyors 12 and 14, and the belt conveyors 12 and 14 installed on the conveyor base 20. It is comprised so that it may rotate between the open positions (refer FIG.3 (b)) which moved to 14 outward. That is, the article guide 50 on the back side moves from the guide position toward the back side so as to retreat from the upper side of the conveying surface of the endless belt 78 and opens the belt conveyors 12 and 14 above at the open position. It has become. The article guide 50 on the front side moves from the guide position toward the front side so as to retreat from the upper side of the conveying surface of the endless belt 78 and the front side of the belt conveyors 12 and 14, and at the open position, the belt conveyors 12 and 14. The upper side and the near side are opened. In this way, the article guides 50 and 50 for guiding the articles conveyed by the endless belt 78 can be retracted to the open position located on the outer side of the belt conveyor. , 50 does not get in the way.

  Next, although the structure of the 1st belt conveyor 12 and the 2nd belt conveyor 14 is demonstrated, since the basic composition of both the belt conveyors 12 and 14 is the same, it attaches | subjects and demonstrates the same code | symbol to the same member.

  As shown in FIG. 1, the belt conveyors 12 and 14 include a plurality of pulleys (rotating bodies) 72, 74, and 76 that are rotatably arranged with respect to the conveyor main body 70, and endless wound around the pulley group. The belt 78 is configured to convey the article placed on the endless belt 78. The belt conveyors 12 and 14 are provided with a conveyor cover 80 on the front side surface (one side surface) of the conveyor main body 70, and this conveyor cover 80 constitutes the front side surface of the article supply conveyor 10 (see FIG. 2). ). The conveyor cover 80 includes a fixed cover 82 fixed to the conveyor main body 70 and an operation cover 84 that is provided so as to be horizontally rotatable with respect to the conveyor main body 70 and operates an advance / retreat mechanism 90 described later. The operation cover 84 is aligned with the fixed cover 82 in a normal posture along the front side surface of the conveyor body 70 and constitutes a part of the front side surfaces of the belt conveyors 12 and 14. In the embodiment, the operation cover 84 is configured to cover the upstream end in the article conveyance direction on the front side surface of the conveyor body 70. As described above, the operation cover 84 is configured to cover the upstream ends of the belt conveyors 12 and 14 in the article conveyance direction, so that the operation cover 84 can be made relatively small and the operation cover 84 can be easily opened and closed. Further, the operation cover 84 is provided with an operation portion 84a that serves as a handle when the operation cover 84 is opened and closed from the front side surface (see FIG. 1).

  The belt conveyors 12 and 14 are supported so that one pulley (hereinafter referred to as a movable pulley (movable rotating body)) 74 of a group of pulleys can be moved forward and backward with respect to an endless belt 78 by an advance / retreat mechanism 90. The endless belt 78 is allowed to be attached to and detached from the pulley group by moving the 74 in the direction of retracting from the endless belt 78 by the advance / retreat mechanism 90 (see FIG. 2 or FIG. 4). On the other hand, the endless belt 78 is tensioned by moving the movable pulley 74 in the direction of moving toward the endless belt 78 by the advance / retreat mechanism 90. The movable pulley 74 of the embodiment is a pulley that is positioned on the most upstream side of the belt conveyors 12 and 14 and guides the endless belt 51 in a turning manner.

  As shown in FIG. 4, on the upstream side of the conveyor body 70, a pair of shafts 86, 86 are disposed so as to be movable forward and backward in the article conveying direction, spaced apart in the width direction. The first holder 87 is disposed so as to move integrally between the ends of the shafts 86, 86 extending from the upstream end of the conveyor body 70, and the movable pulley 74 is rotatably disposed on the first holder 87. ing. An advance / retreat mechanism 90 disposed in the conveyor body 70 is connected to a second holder 88 disposed at the downstream end of both shafts 86, 86. Then, by operating the advance / retreat mechanism 90, the movable pulley 74 moves to the upstream side in the article transport direction, and the tension position where the endless belt 78 wound around the pulley group is tensioned (FIG. )) And a loosened position (see FIG. 4B) where the endless belt 78 is loosened by moving downstream in the article conveying direction. When the movable pulley 48 is positioned at the loose position, the endless belt 78 is loosened by the amount that the endless belt 78 can be removed from the pulley group. The loosened endless belt 78 can be inserted into and removed from the pulley group via a gap S opened on the front side between the belt conveyors 12 and 14 and the conveyor base 20.

  As shown in FIG. 4, the advance / retreat mechanism 90 of the embodiment is a so-called toggle mechanism, and is a first lever 91 pivotally supported at one end on the second holder 88 and a first pivot pivotally supported at a fixed portion of the conveyor body 70. A pair of link portions constituted by rotatably connecting the other ends of the two levers 92 are disposed apart from each other in the width direction, and the connection portions of both link portions are pivotally supported by the operation rod 93 in common. Has been. The front end of the operation rod 93 is connected to the operation cover 84, and the advancing / retreating mechanism 90 switches the movable pulley 74 between the tension position and the loose position by opening / closing the operation cover 84. It has become. By holding the operation portion 84a of the operation cover 84 in the normal posture and performing an opening operation of horizontally rotating the operation cover 84 toward the front side, the connecting portion of each link portion is moved while the operation rod 93 moves downstream. Moving to the downstream side, the movable pulley 74 is switched to the loose position (see FIG. 4B). On the contrary, by performing a closing operation that horizontally rotates the operation cover 84 in the open posture separated from the conveyor body 70 to the back side, the connection portion of each link portion is upstream while the operation rod 93 moves to the upstream side. The movable pulley 74 is switched to the tension position (see FIG. 4A). When the movable pulley 74 reaches the tension position, the levers 91 and 92 of each link portion are in a substantially linear posture along the article conveyance direction, so that the movable pulley 74 is positioned and held at the tension position. Can do. Note that the link portion on the near side is always urged toward the loosened position by a tension spring 94 stretched between the operation cover 84 and the portion of the operation cover 84 that supports the conveyor body 70.

  A driven gear 85 as drive transmission means is fixed to the shaft end extending to the back side of the large-diameter drive pulley 76 disposed on the downstream side of the belt conveyors 12 and 14 (see FIG. 2). . The conveyor base 20 is provided with a drive side gear 98 that constitutes a drive means 95 that is rotationally driven by a drive motor 96. The belt conveyors 12 and 14 are connected to the engagement support portions 24 and 24, respectively. When the linkage is supported, the driven gear 85 is engaged with the driving gear 98, and the driving force by the driving motor 96 is transmitted to the driving pulley 76 (see FIG. 1). The driven gear 85 is detached from the driving gear 98 by lifting one side of the belt conveyors 12 and 14. In this way, as the belt conveyors 12 and 14 are attached and detached, the driving side gear 98 of the driving means 95 disposed on the belt conveyors 12 and 14 and the driven side gear 85 of the belt conveyors 12 and 14 are engaged and disengaged. Therefore, the workability of attaching and detaching the belt conveyors 12 and 14 can be improved.

  According to the belt conveyors 12 and 14 of the embodiment, since the operation cover 84 is configured to be linked to the advance / retreat mechanism 90 that moves the movable pulley 74 forward and backward with respect to the endless belt 78, only the operation cover 84 is opened. By this one-action operation, the advancing / retreating mechanism 90 can be operated to loosen the endless belt 78, and the endless belt 78 can be attached to and detached from the pulley group. Further, since the operation cover 84 constitutes the outer surface of the article supply conveyor 10, there is no need to provide another cover outside the operation cover 84, and the other cover can be opened when the belt conveyors 12 and 14 are attached and detached. Since it is not necessary, the workability of attaching and detaching the belt conveyors 12 and 14 can be improved. That is, maintenance work such as cleaning and replacement of the endless belt 78 of the belt conveyors 12 and 14 can be easily performed. In addition, since the belt conveyors 12 and 14 are cantilevered with the gaps S between the engagement support portions 24 and the conveyor base 20, the endless belt 78 is attached to and detached from the pulley group. easy.

(Example of change)
The present invention is not limited to the configuration of the embodiment, and can be modified as follows, for example.
(1) In the embodiment, the case where the supply conveyor 10 is constituted by the two belt conveyors 12 and 14 arranged in series in the article conveying direction has been described, but the one constituted by one or three or more belt conveyors It may be.
(2) In the embodiment, the mechanism by the rack 57 and the pinion 58 is adopted as the adjusting mechanism 54, but the present invention is not limited to this configuration, and various advance / retreat mechanisms can be adopted.
(3) In the embodiment, the pulley for turning and guiding the endless belt 78 located on the most upstream side is the movable pulley 74. However, a pulley for turning and guiding the endless belt 78 located on the most downstream side may be a pulley or the like. It may be moved forward and backward by an advance / retreat mechanism.
(4) In the embodiment, the toggle mechanism 90 is adopted as the advance / retreat mechanism 90. However, the present invention is not limited to this structure. Is arranged on the conveyor body 70 so that the movable pulley 74 can be moved forward and backward through a rack-pinion by rotating the adjusting shaft forward and backward, and other mechanisms such as a pantograph mechanism are appropriately employed. Can do.
(5) In the embodiment, the pair of grip handles 36 are provided so as to face each other with the article conveyance line interposed therebetween, but may be provided by being shifted in the article conveyance direction.
(6) In the embodiment, the operation cover 84 is provided with the concave operation portion 84a. However, the operation portion may have a shape protruding from the operation cover 84.
(7) In the embodiment, the support shafts 26 and 28 are provided on the engagement support portion 24 of the conveyor base 20 and the connection recesses 32 and 34 are provided on the engagement connection portion 30 of the belt conveyors 12 and 14. , 14 may be provided with a shaft, and a recess corresponding to this shaft may be provided in the engagement support portion 24.
(8) In the embodiment, the operation cover 84 is provided at the upstream end in the article conveying direction of the belt conveyors 12 and 14, but may be provided at the downstream end in the article conveying direction. Moreover, in the Example, although the conveyor cover 80 was comprised from the fixed cover 82 and the operation cover 84, you may comprise the whole conveyor cover with an operation cover.
For the configurations described in the embodiments, not limited to the above-described modifications, various embodiments can be adopted within the scope of the gist of the present invention.

10 article supply conveyor, 12 first belt conveyor (belt conveyor),
14 Second belt conveyor (belt conveyor), 20 conveyor base,
22 side cover, 24 engagement support, 38 saucer, 50 article guide,
52 guide support section, 54 adjustment mechanism, 55 mounting section, 72 pulley (rotary body),
74 movable pulley (movable rotating body), 76 driving pulley (rotating body), 78 endless belt,
84 operation cover, 85 driven gear (drive transmission means), 90 advance / retreat mechanism,
95 Driving means, 100 bag making means, S gap

Claims (7)

In the article supply conveyor of the horizontal bag making and filling machine that supplies articles at predetermined intervals to the cylindrical film formed by the bag making means (100),
The article supply conveyor (10) is detachably supported on the conveyor base (20), and is placed on an endless belt (78) wound around a plurality of rotating bodies (72, 74, 76). Conveying belt conveyors (12, 14),
The movable rotating body of the plurality of rotating bodies (72,74,76) and (74), with respect to the endless belt (78) such that said relaxed state and a state where the endless belt (78) is stretched An advancing / retracting mechanism (90) for supporting advancing and retracting,
Said to one side of the belt conveyor (12, 14) being linked to the forward and reverse mechanism (90) together is provided pivotably, the product supply in a normal posture along a one side of the belt conveyor (12, 14) An operation cover (84) constituting the outer surface of the conveyor (10);
A side cover (22) provided on the conveyor base (20) and covering the other side of the belt conveyor (12, 14);
The belt conveyor (12, 14), the normal and linked to the opening operation of the posture or we pivoted to said operation cover (84), endless movable rotating body (74) is dismissed from the endless belt (78) The advance / retreat mechanism (90) is operated so that the endless belt (78) can be attached to and detached from the plurality of rotating bodies (72, 74, 76 ) by loosening the belt (78), and the operation cover (84) is usually attached. that forward and reverse mechanism (90) of the movable rotating body is linked to a closing operation of returning the attitude (74) is configured to operate to tension the advance Nde endless belt (78) toward the endless belt (78) An article supply conveyor for a horizontal bag making and filling machine. A pair of article guides (50, 50) for guiding the side of the article conveyed by the endless belt (78);
A guide support portion (52) provided on each of the article guides (50, 50) so as to hang outward of the belt conveyor (12, 14);
A pair of article guides (50, 50) is provided on the conveyor base (20) located below the endless belt (78) and supported by the mounting portion (55) via the guide support portion (52). And an adjustment mechanism (54) for adjusting the interval,
The guide support portion (52) is rotatably connected to the attachment portion (55),
Each article guide (50) is configured to be rotatable between a guide position of articles facing the conveying surface of the endless belt (78) and an open position retracted outward of the belt conveyor (12, 14). The article supply conveyor of the horizontal bag making and filling machine according to claim 1.   The belt conveyor (12, 14) is detachably connected to an engagement support portion (24) provided to extend upward on the other side portion of the conveyor base (20). The horizontal bag making and filling machine according to claim 1 or 2, wherein the endless belt (78) is cantilevered with a gap (S) between which the endless belt (78) can be inserted and removed. Article supply conveyor.   The engagement support portion (24) supports the endless belt (78) so that the conveying surface thereof is horizontal, and lifts one side of the belt conveyor (12, 14) to thereby convey the belt conveyor (12, 14). 4. The article supply conveyor of the horizontal bag making and filling machine according to claim 3, wherein the connected state with the other side portion is releasable.   A plurality of trays (38) that are positioned below the endless belt (78) and receive fallen objects from the endless belt (78) are arranged on one side of the conveyor base (20) in the article transport direction. The article supply conveyor of the horizontal bag making and filling machine according to any one of claims 1 to 4, wherein the article supply conveyor is installed to be detachable from the side.   Drive means (95) provided on the conveyor base (20) and drive transmission means provided on the belt conveyor (12, 14) for transmitting the drive of the drive means (95) to the endless belt (78). (85) is configured so that it can be engaged and disengaged when the belt conveyor (12, 14) is attached / detached. Article supply of the horizontal bag making and filling machine according to any one of claims 1 to 5 Conveyor. A plurality of belt conveyors (12, 14) are provided in connection with the conveying direction of the articles,
Each of the belt conveyors (12, 14) is provided with the operation cover (84) so as to cover an upstream end or a downstream end in the article conveying direction on the one side surface. The article supply conveyor of the horizontal bag making and filling machine according to one item.

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