JP2006282321A - Width aligning device for conveyor, and conveyor provided with the same device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a width aligning device, capable of achieving carrying modes for various articles by a single device, as well as easily enabling operation for center position regulation. <P>SOLUTION: This width aligning device B regulates a width direction carrying position of an article W carried by a conveyor A to the carrying width of the conveyor. It is provided with a pair of guide members 2 and 2' movable perpendicularly to the carrying direction of the conveyor, and parallel from outward of the width direction of the carrying passage inward to regulate the carrying position of the article, a pair of width aligning means 4 and 4' capable of separately regulating move of each of the guide members, a connecting means 5 to connect the move of the guide members to interlock their move, a second width aligning means 7 connected by the connecting means to move the guide members as they are interlocked, and a change-over means 6 to change the connecting means bewteen the interlock and the non-interlock. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a width adjusting device that regulates a position of an article conveyed by a conveyor (a position in a width direction of a conveyance path) and a conveyor including the apparatus.

  As a side-by-side device that regulates the position of articles conveyed by the conveyor, guide members are arranged opposite to each other across the conveyance path of the conveyor, and both guide members are interlocked and moved toward the center in the width direction of the conveyance path. By adjusting the position at which the article is conveyed to the center of the conveyance path (see, for example, Patent Document 1) or the guide members that are opposed to each other across the conveyance path of the conveyor, the position of each guide member Are known in which each is individually adjusted according to the size of the article and the transport position on the transport path.

In the former case, it is easy to position the article to be conveyed in the center of the width of the conveyor conveyance path as shown in Patent Document 1, and in the latter case, the article is restricted to various conveyance positions. There is a merit that you can.
Which type of width aligning device is adopted may be selected depending on which position of the conveyed product the label is applied, for example, when a label sticking device is provided on the downstream side of the width aligning device. is there.

  That is, when applying a label to a fixed position (center position on the back side of the article: bottom attachment), which is the center position in the width direction of the conveyor, the former width adjusting device may be changed, and the label application position may be changed depending on the article. In such a case, the latter width adjusting device was selected.

Therefore, the former width adjusting device cannot be used to regulate various transport positions other than the center position of the transport path width. If such regulation is necessary, the latter width adjusting device in addition to the former width adjusting device. Equipment also needs to be equipped. That is, there are problems such as an installation area for installing the two width adjusting devices, and an economic burden required for preparing the two devices.
Further, since the latter width adjusting device can freely adjust the transport position by individually operating the pair of guide members, it is possible to restrict the position to the substantially central position of the transport path width by the individual adjustment. It is very troublesome to adjust the center position individually.

JP 2000-255839 A

The present invention has been made in view of the above-described problems of the prior art, and the object of the present invention is to easily carry out the operation of regulating the central position as well as various forms of conveying articles with a single width adjusting device. An object of the present invention is to provide a width adjusting device that can be used.
Another object of the present invention is to provide a conveyor provided with a width adjusting device that can realize low cost and space saving.

  In order to achieve the above object, the width adjusting device of the present invention is a width adjusting device that regulates the conveying position of the article conveyed by the conveyor in the width direction with respect to the conveying path width of the conveyor, the conveying direction of the conveyor A pair of guide members that translate in the direction perpendicular to each other from the outside in the width direction of the conveyance path toward the center direction and regulate the conveyance position of the article, and the movement of the guide members can be independently adjusted. The first width adjusting means, the connecting means for connecting the movement of the guide member so as to be interlocked, the second width adjusting means connected by the connecting means for moving the guide member in association with each other, and the connection of the connecting means. Switching means for switching non-linkage or non-linkage to linkage (claim 1).

  According to the above means, the switching means is operated to select whether the pair of guide members are interlocked / not interlocked, so that the guide members can be adjusted independently, or the pair of guide members can be adjusted by one operation. can do.

Specifically, a pair of guide members that regulate the conveyance position of the article, and a movement that translates the guide member in a direction orthogonal to the conveyance direction of the conveyor and from the outside in the width direction of the conveyance path toward the center direction. Means, a first width adjusting means for individually adjusting the moving means, and individually adjusting the moving amount of each guide member, a connecting means for connecting the moving means so as to be interlocked, and the connecting means One of the first width adjusting means to which is attached is provided with second width adjusting means attached via switching means for switching between interlocking and non-interlocking (claim 2).
The guide member is a member that reduces friction (contact) resistance on the surface (inner surface) with which the article contacts, for example, a roller is rotatably attached to the contact surface, or a resin film that reduces friction resistance is coated on the contact surface. You may do any. Further, it is effective that the article entrance side of the guide member is expanded outward so that the article smoothly enters between the pair of guide members.

  According to the above means, the second width adjusting means is provided by operating the switching means to link the connecting means for connecting the moving means of the pair of guide members arranged opposite to each other across the conveying path of the conveyor. The pair of guide members can be simultaneously moved by the same amount from the outer position of the conveying path width toward the central position only by operating, and the article conveying position can be regulated to the central position of the conveying path. Further, if the switching means is operated to release the interlocking state and make it non-interlocking, the moving means of the pair of guide members can be individually adjusted. That is, the moving means of each guide member can be individually adjusted by operating the first width adjusting means.

  The moving means translates the guide member in the width direction of the conveying path with respect to a fixed frame arranged outside the conveyor frame. For example, the fixed frame arranged outside the conveyor frame and a support frame for the guide member Are connected to the fixed frame and the support frame, and the other end of the X-shaped frame is slid into a long hole formed in the fixed frame and the support frame. It is set as the structure fitted so that it was possible (Claim 3). The X-shaped scissors intersect two scissors in an X-shape and pivotally support the intersecting portion so that the length from the intersection of the two scissors to each end is the same length. To do. Further, the X-shaped rod may be a set of X-shaped rods, or a combination of a plurality of X-shaped rods.

  According to the above means, the X-shaped heel is opened and closed by sliding the end portion of the X-shaped heel fitted in the long hole of the fixed frame along the long hole, and the support supporting the guide member accordingly. The frame moves in parallel from the outside in the width direction of the conveyance path toward the center. In other words, if the end of the X-shaped ridge fitted in the elongated hole of the fixed frame is positioned in a direction away from the end of the X-shaped ridge fixed to the fixed frame, the X-shaped fold is folded, The support frame to which the guide member is attached is drawn closer to the fixed frame side. On the contrary, when the end of the X-shaped hook fitted in the long hole of the fixed frame is moved in a direction approaching the end of the X-shaped hook fixed to the fixed frame, the X-shaped hook is raised and the guide The support frame to which the member is attached is separated from the vicinity of the fixed frame side.

  The connecting means connects one side of each swinging piece to a movable frame to which a movable end of an X-shaped rod that slides in the long hole of the fixed frame in the moving means is attached. The connecting shaft is horizontally mounted across the sides, one end of the connecting shaft is fixed to the swing piece, and the other end of the connection shaft is detachable from the swing piece by a switching means. .

  According to the above means, since the opposing swinging pieces can be connected by the connecting shaft arranged across the conveying path below the conveying path of the conveyor, the interlocking mechanism can be configured easily.

  Further, the switching means transmits / non-transmits the rotation angle of the swing piece to which the second width adjusting means is attached to the connecting shaft (Claim 5). A clamping body that clamps the connecting shaft is fixed to the swinging piece to which the width adjusting means is attached, and the clamping body can be opened and closed by an operating lever, and the tightening / opening of the connecting shaft by the clamping body can be switched ( Claim 6). The sandwiching body may be either one member or two members.

  According to the above means, the rotation angle of the oscillating piece oscillated by the second width adjusting means is connected by connecting the oscillating piece attached with the second width adjusting means and the connecting shaft by operating the switching means. Transmitted to the shaft. As a result, the other swinging piece fixedly connected to the other end of the connecting shaft is also swung in the same manner, and the moving means of the width adjusting device arranged opposite to each other simultaneously move by the same amount. If the switching means is opened, the rocking piece to which the second width adjusting means is attached and the connecting shaft are disconnected, and the interlocking state is released.

Further, the width aligning device is disposed on both sides of the conveyor conveyance path, and a label pasting means for pasting a label on an article whose transport position is regulated is disposed downstream of the width aligning device. 7).
The label affixing means may be either a label affixing machine for affixing a label on the lower surface (bottom surface) of the article or a label affixing machine for affixing a label on the upper surface (surface) of the article. Further, the label sticking machine may be any one that has a printing function, or one that does not have a printing function and sticks a preprinted label.

According to the above means, by adjusting the pair of guide members disposed opposite to the outer position in the width direction of the conveyance path of the conveyor to the interlocked state, the pair of guide members are moved in the center direction in the width direction, and the article is conveyed in the conveyance path. The position can be regulated at the center position in the width direction. Further, by releasing the interlocking state, the pair of guide members can be adjusted independently, and the width can be increased according to the position of the upper label to be applied to the upper surface of the article.
The operations for adjusting the width of the pair of guide members according to the present invention in the interlocking state and the non-interlocking state are performed by the first width adjusting means and the second width adjusting means, respectively. It is also possible to adjust by moving directly.

  According to the configuration of the first and second aspects of the present invention, the width adjusting device according to the first and second aspects includes an interlocking state in which the pair of opposing guide members are simultaneously moved by the same amount by the operation of the switching means, and the pair of opposing opposing These guide members can be easily switched to a non-interlocking state in which the respective first width adjusting means are individually moved and adjusted. Therefore, it is possible to cope with various transport forms with a single width adjusting device. Moreover, since it is not necessary to prepare both the interlocking type and the non-interlocking (individual) type as in the prior art, it is economically advantageous and can contribute to the space saving of the width adjusting device.

According to the configuration of the third aspect, the parallel movement of the guide member can be performed with a simple configuration.
According to the fourth aspect of the present invention, since the moving means of the pair of guide members can be connected to each other by using the space below the conveyor, the connecting means does not become an obstacle to the articles conveyed, and the width adjusting device. Can be configured simply.
Furthermore, according to the configurations of claims 5 and 6, the second width adjusting means and the connecting shaft can be easily connected / released.
Moreover, the structure of Claim 7 can provide the conveyor which can respond | correspond to both center width alignment (lower label) and side width alignment (upward label) with one width adjusting device.

Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a conveyor equipped with a width adjusting device, A is a belt conveyor, and a width adjusting device B is arranged on the upstream side (right side in the drawing) in the conveying direction, and below the conveying path downstream of the width adjusting device B. The label sticking means C is arranged on the side, and the label L can be stuck to a predetermined position of the article W that has been width-adjusted by the width-adjusting device B. In the figure, A ′ and A ″ are carry-in and carry-out conveyors arranged continuously upstream and downstream of the belt conveyor A to which the width adjusting device B is attached.

  The width adjusting device B regulates the conveyance position (position in the conveyance path width direction) of the article W conveyed by the driving rotation of the endless belt 1 of the belt conveyor A, and a pair of regulating the article conveyance path width. Guide members 2 and 2 ', and moving means 3 for translating the guide members 2 and 2' in a direction perpendicular to the conveying direction of the belt conveyor A and from the outer side in the width direction of the conveying path toward the central direction. 3 'and the moving means 3 and 3' are independently adjusted, and first shifting means 4 and 4 'for individually adjusting the moving amounts of the respective guide members 2 and 2', and the moving means 3 , 3 'and a second width adjusting device attached via a switching means 6 for switching between interlocking and non-interlocking to one of the first width adjusting devices 4 to which the connecting device 5 is attached. And means 7.

  The guide members 2 and 2 'are arranged on a frame 2a having a predetermined length along the conveying direction, with a roller 2b having a predetermined interval with its axial center orthogonal to the longitudinal direction of the frame 2a. It is arranged side by side so that it can rotate. The upstream side of the frame 2a in the transport direction is bent and expanded toward the outside. Accordingly, the article W to be conveyed is smoothly guided between the pair of guide members 2 and 2 '. The guide members 2 and 2 'are supported by moving means 3 and 3' at opposing positions across the conveyance path of the belt conveyor A.

The moving means 3, 3 ′ includes a fixed frame 3 a disposed outside the frames 8, 8 ′ of the belt conveyor A, a support frame 3 b that supports the guide members 2, 2 ′, and the fixed frame 3 a and the support frame 3 b. And an X-shaped hook 3c that connects the two.
The fixed frame 3a and the support frame 3b are U-shaped cross-sectional frames, and long holes 9 and 10 having a predetermined length are formed in one side portion in the longitudinal direction along the longitudinal direction. The shafts 11 and 12 attached to one end of the X-shaped flange 3c are slidably fitted to each other, and the other ends of the X-shaped flange 3c are connected to the other sides of the fixed frame 3a and the support frame 3b. It's fixed with '. Further, the fixed frames 3a of the moving means 3 and 3 ′ facing each other are in contact with the outer surfaces of the frames 8 and 8 ′ of the belt conveyor A and fixed by screws.

The X-shaped ridge 3c has a U-shaped cross section, and is configured to be able to open and close by having two frames having the same length intersect at the center in an X shape and pivotally supported by a shaft 13.
Thereby, the shaft 11 of the X-shaped rod 3c fitted in the long hole 9 of the fixed frame 3a slides in the long hole 9, so that the X-shaped rod 3c opens and closes and is attached to the free end of the X-shaped rod 3c. The guide members 2 and 2 'thus moved in parallel in the conveyance path width direction. In addition, a recess 14 in which the head of the shaft 13 of the X-shaped rod 3c is fitted is formed in the opposite edges of the fixed frame 3a and the support frame 3b, and when the X-shaped rod 3c is closed, the X-shaped rod 3c Is stored between the fixed frame 3a and the support frame 3b, and is configured to be compactly folded.

First shifting means 4, 4 ′ are attached to the shaft 11 of the X-shaped rod 3 c that slides in the long hole 9 of the fixed frame 3 a in the moving means 3, 3 ′, and the guide members 2, 2 ′ facing each other. The position of each can be adjusted individually.
The first width adjusting means 4 and 4 'are composed of a screw shaft 4a screwed to the shaft 11 attached to the end of the X-shaped flange 3c and an operation knob 4b fixed to the end of the screw shaft 4a. By configuring the operation knob 4b to loosen the screw shaft 4a, the tightening by the shaft 11 and the operation knob 4b is released and the shaft 11 can be freely slid, and the operation knob 4b is rotated and tightened. Thus, the shaft 11 is fixed, and the positions of the guide members 2 and 2 'are fixed.

Further, the moving means 3 and 3 to which the first width adjusting means 4 and 4 ′ are attached are connected by the connecting means 5 so that the opposing guide members 2 and 2 ′ can be simultaneously moved by the same amount by one operation. It is configured.
The connecting means 5 includes a movable frame 5a that is coupled to a shaft 11 that is a movable end of the X-shaped flange 3c and slides along the fixed frame 3a, and a swing piece that is coupled to an end of the movable frame 5a by a shaft 15. 5b and a connecting shaft 5c that is placed horizontally across the other side (the lower side in the drawing) of the opposed swing piece 5b.
The movable frame 5a and the oscillating piece 5b are connected so that the oscillating piece 5b rotates in an arc around the connecting shaft 5c so that the displacement in the vertical direction can be absorbed with respect to the movable frame 5a that slides linearly. The movable frame 5b is provided with a relief.

  The connecting shaft 5c extends horizontally across the mounting plates 16, 16 'fixed to the frames 8, 8', one end of the connecting shaft 5c is fixed to the swing piece 5b, and the other end of the connecting shaft 5c. Is connected to the swing piece 5b through the switching means 6. The swinging piece 5b provided with the switching means 6 extends and protrudes upward from the connecting portion with the movable frame 5a, and an operating handle for the second width adjusting means 7 is provided at the protruding end.

  The switching means 6 is composed of a clamping body 17 composed of an upper clamping part 6a and a lower clamping part 6b that sandwich the connecting shaft 5c, and an operation lever 18 that opens and closes the upper clamping part 6a and the lower clamping part 6b. A substantially semicircular recess into which the connecting shaft 5c is fitted is formed on the clamping surfaces of the clamping parts 6a and 6b. The clamping body 17 is fixed to the swing piece 5b with screws. A screw rod 18a integral with the operation lever 18 is screwed into the upper clamping portion 6a and the lower clamping portion 6b, and the upper clamping portion 6a and the lower clamping portion 6b are moved and adjusted in the opening direction or the closing direction by the rotation of the operating lever 18. Then, the interval S between the members 6a and 6b is changed, and the connecting shaft 5c is switched to the connected integrated / separated state with respect to the swing piece 5b (see FIGS. 4 and 5). The sandwiching body 17 is not limited to the illustrated form in which slits and recesses are formed in one member and the upper and lower sandwiching portions are partitioned, and the sandwiching body 17 may be sandwiched by two members.

  The label sticking means C installed on the downstream side of the width adjusting device B of the belt conveyor A to which the width adjusting device B is attached includes an under-label label applying device C1 for applying a label L1 to the bottom surface of the article W, An upper label applying device C2 for applying the label L2 to the upper surface is appropriately arranged according to the purpose. Note that the lower label applying device C1 conveys and applies the label L1 to an article moving on the opening 19 established in the endless belt. For example, the label attaching device described in JP-A-2004-90927 is used. The device can be used.

Next, the width aligning operation by the above-described width aligning apparatus B will be described.
(A) Interlocking center width adjustment (the width direction center of the article is aligned with the width direction center line of the conveyance path)
1. The operation knob 4b in the first width adjusting means 4 and 4 ′ of the pair of guide members 2 and 2 ′ arranged opposite to each other is loosened, and the movable end shaft 11 is moved away from the fixed end shaft 11 ′ along the long hole 9. It moves and folds the X-shaped ridge 3c to position the guide members 2 and 2 ′ at the outer position (initial position) in the width direction of the transport path (see FIG. 6A).
2. The operating lever 18 of the switching means 6 is tightened (ON), and the swing piece 5b and the connecting shaft 5c are connected and integrated. Then, the article W is placed on the endless belt of the belt conveyor A (see FIG. 6B).
3. The second width adjusting means 7 (operation handle) of the swing piece 5b to which the switching means 6 is attached is tilted in the movable direction (right direction in the drawing) (see FIG. 6C). The moving means 3 and 3 ′ of the pair of guide members 2 and 2 ′ arranged to face each other by the operation of the second width adjusting means 7 are interlocked by the connecting means 5, and the guide members 2 and 2 ′ are moved from the initial position to the conveying path. Move toward the center in the width direction.
4). The pair of guide members 2 and 2 ′ move in the center direction to sandwich the article W placed on the endless belt, and the center in the width direction of the article W matches the centerline of the endless belt (FIG. 6D). reference). And said 1. The position of the pair of guide members 2 and 2 'is fixed by tightening the operation knob 4b of the first width adjusting means 4 loosened in step (b).
Accordingly, the article W conveyed from the upstream side of the width adjusting device B passes between the pair of guide members 2 and 2 ′ in the width adjusting device B, whereby the center width is adjusted.

(B) When offsetting an article (the width direction center of the conveyance path is not aligned with the width direction center of the article)
1. The operating lever 18 of the switching means 6 is loosened (OFF), and the connecting means 5 is separated (not linked) (see FIG. 7A). As a result, the moving means 3 and 3 ′ of the pair of guide members 2 and 2 ′ are released from the interlocking state, and the moving means 3 and 3 ′ are in a state where they can be individually adjusted.
2. The operation knobs 4b of the first width adjusting means 4 and 4 'of the respective guide members 2 and 2' are loosened, and the operation knobs 4b are moved along the long holes 9 to adjust the positions of the guide members 2 and 2 '. (Refer FIG.7 (b)).
3. For the guide member 2 provided with the switching means 6, in addition to the method of sliding the operation knob 4b of the first width adjusting means 4 along the long hole 9, the second width adjusting means 7 (operation handle) is operated. Thus, the movable frame 5a can be adjusted by sliding (see FIG. 7C).
4). After adjusting the position of the pair of guide members 2 and 2 ′, the position of the adjusted guide members 2 and 2 ′ is fixed by tightening the operation knob 4b of the first width adjusting means 4 and 4 ′ (FIG. 7D). reference).

(C) Offset interlocking (the pair of guide members are offset interlockingly)
1. (A) Interlocking center width adjustment 1. Similarly to the above, the operation knobs 4b of the first width adjusting means 4 and 4 'of the pair of opposed guide members 2 and 2' are loosened to position the guide members 2 and 2 'in the initial position (see FIG. 8A). .
2. The operating lever 18 of the switching means 6 is loosened (OFF), and the connecting means 5 is separated (not linked). The moving means 3 to which the switching means 6 is attached operates the operation knob 4b of the first width adjusting means 4 or the second width adjusting means 7 (operation handle) to move the guide member 2 toward the center in the width direction of the conveyance path. A predetermined amount (Z) is moved (see FIG. 8B).
3. The operating lever 18 of the switching means 6 is tightened (ON), and the swing piece 5b and the connecting shaft 5c are connected and integrated. Then, the second width adjusting means 7 (operation handle) is tilted (see FIG. 8C).
4). The guide members 2 and 2 ′ interlocked by the second width adjusting means 7 are moved by the same amount. Since the guide member 2 on the near side has been moved by a predetermined amount in the center direction in advance, the center in the width direction of the article W is offset by a predetermined amount (Z) from the center in the width direction of the conveyance path (see FIG. 8D). ).

FIG. 9 shows another example of the switching means 6 for connecting / separating the swing piece 5b and the connecting shaft 5c. FIG. 9A shows the swinging motion with respect to the outer peripheral surface of the connecting shaft 5c penetrating the swing piece 5b. A type in which the tip of the fixing screw 20 attached to the piece 5b can be contacted and separated. (B) is a connecting shaft 5c fitted in a recess of the swinging piece 5b, and an axis of the connecting shaft from the outside of the swinging piece 5b. In both cases, the fixing screw 21 is screwed in. By loosening the fixing screws 20 and 21, the connection between the swing piece 5b and the connecting shaft 5c is separated, and the integration is released.
Further, the movement adjustment of the guide member can be performed not only by moving the dedicated first width adjusting means and second width adjusting means but also by moving the guide member by hand.

The top view which shows the conveyor provided with the width aligning apparatus which concerns on this invention. The enlarged front view of a width alignment apparatus. The expanded sectional view which follows the (3)-(3) line | wire of FIG. The coupling | bonding means and a switching means are shown, (a) is a partially notched front view of an interlocking state, (b) is sectional drawing which follows the (b)-(b) line | wire of (a) figure. FIG. 6 is a partially cutaway front view showing a state where the switching piece is operated to separate the swing piece and the connecting shaft. Explanatory drawing in the case of setting a pair of guide member to interlocking center width alignment. Explanatory drawing in the case of setting a pair of guide member non-interlocking. Explanatory drawing in the case of carrying out offset interlocking of a pair of guide member. The figure which shows the other example of a switching means.

Explanation of symbols

DESCRIPTION OF SYMBOLS A ... Belt conveyor B ... Width-adjusting device C ... Label sticking means W ... Article 1 ... Endless belt 2, 2 '... Guide member 3, 3' ... Moving means 3a ... Fixed frame 3b ... Supporting frame 3c ... X-shaped bag 4 , 4 '... first width adjusting means 5 ... connecting means 5a ... movable frame 5b ... swinging piece 5c ... connecting shaft 6 ... switching means 7 ... second width adjusting means 17 ... clamping body 18 ... operating lever

Claims (7)

A width adjusting device that regulates a conveyance position of an article conveyed by a conveyor in a width direction with respect to a conveyance path width of the conveyor,
A pair of guide members that translate in the direction perpendicular to the conveying direction of the conveyor and from the outer side in the width direction of the conveying path toward the center, and regulate the conveying position of the articles;
First width adjusting means capable of independently adjusting the movement of the guide members;
A connecting means for connecting the movement of the guide member so as to be interlocked;
A second width-shifting means connected by the connecting means and moving the guide member in conjunction with each other; and a switching means for switching the interlocking of the connecting means to non-interlocking or non-interlocking;
A conveyor width adjusting device comprising: A width adjusting device that regulates a conveyance position of an article conveyed by a conveyor in a width direction with respect to a conveyance path width of the conveyor,
A pair of guide members that regulate the conveying position of the article;
Moving means for translating the guide member in a direction perpendicular to the conveying direction of the conveyor and from the outer side in the width direction of the conveying path toward the central direction;
First moving means for adjusting the moving means independently and individually adjusting the moving amount of each guide member;
Connecting means for connecting the moving means to each other,
A second width adjusting means attached to any one of the first width adjusting means to which the connecting means is attached via a switching means for switching between interlocking and non-interlocking;
A conveyor width adjusting device comprising:   The moving means connects the fixed frame arranged outside the frame of the conveyor and the support frame of the guide member with an X-shaped hook that can be opened and closed, and one end of the X-shaped hook is fixed to the fixed frame and the support frame. 3. The conveyor width adjusting device according to claim 2, wherein the other end portion of the hook is slidably fitted into a long hole provided in the fixed frame and the support frame.   The connecting means connects one side of each swinging piece to a movable frame to which a movable end of an X-shaped rod that slides in the long hole of the fixed frame in the moving means is attached. The connecting shaft is horizontally mounted across the sides, one end of the connecting shaft is fixed to the swing piece, and the other end of the connection shaft is detachable from the swing piece by switching means. The width adjusting device for a conveyor according to claim 2.   5. The conveyor width adjusting device according to claim 2 or 4, wherein the switching means transmits / not transmits the rotation angle of the swing piece to which the second width adjusting means is attached to the connecting shaft. apparatus.   The switching means attaches a clamping body for clamping the connecting shaft to a swinging piece to which a second width adjusting means is attached, and the clamping body can be opened and closed by an operating lever. 6. The conveyor width adjusting device according to claim 5, wherein opening can be switched freely.   7. A conveyor having the width adjusting device according to any one of claims 1 to 6, further comprising a label attaching means for attaching a label to an article whose transport position is regulated downstream from the width adjusting device. A conveyor characterized by that.

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