JPH0761811B2 - Carrier - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveying device that can convey an item along a conveying path and can carry it out to the side of the conveying path.

(Prior Art) For example, goods are conveyed along a conveying path, and at a plurality of places of this conveying path, goods are selectively discharged to the side of the conveying path by product type or destination. The transporting device, called a device, uses a scraper or pusher to push the items on the conveyor that form the transporting path to the side, or a cart or slat traveling along the transporting path that is tilted to the side. There is a system that drops the above items to the side due to gravity, but there is a limit to the items that can be sorted, such as small items, bulk items, lightweight items, thin items, items with poor bottom condition, etc. It is impossible to sort items that can only be transported.

As a transporting device applicable to such transport sorting of goods, the configuration described in Japanese Utility Model Laid-Open No. 62-179216 is known.

That is, in the transport apparatus described in Japanese Utility Model Laid-Open No. 62-179216, a large number of transport bodies are movably arranged on an endless transport path, and the multiple transport bodies are connected endlessly on the transport path. ,
By driving a part of the transport bodies by the drive mechanism provided in the transport path, a large number of transport bodies are circulated along the transport path,
The goods are loaded onto the trolley at the carry-in position set on the transport path, and the goods on the carrier are selectively carried out at the plurality of unloading and sorting positions set on the transport path.

The conveyor is provided with a pair of pulleys on both sides intersecting the moving direction, the movable body is provided at a lower portion of the conveyor by being connected to one end of a pair of movable pulleys, and the supporting belt is provided over the pair of pulleys above the conveyor. The intermediate portion is hooked and both ends are hooked in a folded manner on the movable pulley of the moving member to be fixed to both sides of the carriage. Then, when the carrier passes through the carry-in position or the carry-out sorting position, the moving member is laterally moved by the linear motor device arranged in the carrier path to move the part of the support belt that supports the product, Are carried in or out.

(Problems to be Solved by the Invention) By the way, in the above-described transport device, in order to reliably carry out the product, it is necessary to increase the movement stroke of the support belt, and further in order to mount the product securely. It is necessary to increase the length of the part of the support belt that supports the item.

However, in the conventional conveying device described in the above publication, the point that the moving stroke of the support belt is enlarged and the point that the length of the portion of the support belt that supports the item is enlarged is not taken into consideration, and the item is reliably carried out. In addition, there is a need for a solution to ensure that the item is placed.

The present invention has been made in view of the above circumstances, and provides a conveying device capable of increasing the movement stroke of a portion of a support belt that supports an item and further increasing the length of a portion of the support belt that supports an item. The purpose is to do.

(Means for Solving the Problems) A carrier device of the present invention is configured such that a carrier body that moves along a carrier path is provided with a movable frame that is movable in both directions intersecting the moving direction of the carrier body. One or more belt winding members are arranged on both sides, two or more rollers are pivotally supported on the moving frame, and a conveying direction which intersects the moving direction of the conveying body is provided above the conveying body. After arranging the intermediate portion of the support belt having the above, the both end portions of the support belt are alternately folded around the belt winding member of the transport body and the roller of the moving frame, A carrier device that drives the support belt by fixing the carrier belt on both sides or on the moving frame, and moving the moving frame to a side intersecting the moving direction of the carrier, wherein the carrier is On both sides in the moving direction of the moving frame It has a pair of side frames facing each other, and a guide groove along the moving direction of the moving frame is formed in each inner side of the side frame, and a wheel engaging with the guide groove is pivotally supported on the moving frame. Brackets are attached to both ends of the side frame, a recess communicating with the end of the guide groove is formed in each bracket, and a support hole for supporting the belt winding member is formed.

(Operation) In the transport device of the present invention, the support belt is driven by the movement of the moving frame, and at this time, the intermediate portion of the support belt, that is, the portion that supports the item is moved by the folding of the support belt. Multiples of the moving stroke of (2 times, 3 times ...)
Move by minutes.

Further, the wheels of the moving frame engaged with the guide grooves of the side frame of the carrier move beyond the both ends of the guide groove to the recesses of the bracket, and the moving stroke of the moving frame is expanded. The movement stroke of the part that supports the item is also expanded.

Further, since the bracket is provided with the supporting hole for the belt winding member, the length of the portion of the supporting belt for supporting the product is increased as compared with the case where the belt winding member is attached to the side frame.

(Example) The Example of the conveying apparatus of this invention is described with reference to drawings.

First, the principle will be described with reference to FIGS. 1 and 2, and then the details will be described.

Reference numeral 1 denotes a carrier, and the carrier 1 is configured to move in the front-rear direction in the drawing along an endless carrier path 2, and the lower part of the carrier 1 intersects the moving direction of the carrier 1 in the drawing. A movable frame 3 is provided which is movable in both left and right directions.

And, at least one on each side of the carrier 1,
In the example shown in FIG. 1, one roller each is provided, and in the example shown in FIG. 2, two rollers 4 serving as belt winding members are arranged parallel to each other and are axially supported.
Two or more rollers, both in the example shown in FIG. 1 and the example shown in FIG. 2, support two rollers 5.

In addition, an intermediate portion of a support belt 6 made of a flat belt having a conveyance direction of both sides intersecting with the moving direction of the carrier 1 is arranged above the carrier 1.
Both ends of the support belt 6 are alternately folded around the rollers 4 on both sides and an intermediate roller 5 corresponding to the rollers 4, and then, in the example of FIG. Both sides, in the example of FIG. 2, are fixed to the moving frame 3.

In this structure, the movable frame 3 is provided with, for example, a roller 7 axially supported on the lower portion of the movable frame 3 or a pin 8 or the like which axially supports the movable frame 3 and protrudes to the lower portion of the roller 7 on the transport path 2. When it is moved in both directions by being pushed by the operating means, the roller 4 acts like a fixed pulley and the roller 5 acts like a moving pulley, and according to the principle of the pulley, the intermediate portion of the support belt 6 on the upper part of the carrier 1 However, in the direction opposite to the moving direction of the moving frame 3, an integral multiple of the moving stroke S of the moving frame 3, double stroke 2S in the example of FIG. 1, triple stroke 3S in the example of FIG. Moving.

Therefore, when the article W is supported on the intermediate portion of the support belt 6 above the conveyor 1, the article W can be conveyed along the conveyance path 2 by the movement of the conveyor 1, and the article W can be moved. By moving the frame 3, the carrier 1 can be unloaded to the side of the transport path 2 along which it moves.

Then, in the example of FIG. 1, as shown in (A), the article W is supported on the intermediate portion of the support belt 6 above the carrier 1 with the moving frame 3 positioned on one side of the carrier 1. From the state shown in (A) to the state shown in (B), as shown in (C), when the moving frame 3 is moved to the other side in the carrier 1, the article W is completely moved to one side. It can be carried out to the department.

In the example of FIG. 1, the number of rollers 4 on both sides of the carrier 1 is two on each side, a total of four, and the number of rollers 5 of the moving frame 3 is the same four. Then, the intermediate portion of the support belt 6 at the upper part of the carrier 1 moves four times the stroke of the moving frame 3, and when the rollers 4 and 5 are increased in the same manner, the intermediate portion of the support belt 6 moves to 6 of the moving frame 3. Strokes that are even multiples of double, 8 ...

Moreover, in the example of FIG. 2, as shown in FIG.
Is positioned in the center of the carrier 1, the article W is supported on the intermediate portion of the support belt 6 above the carrier 1, and from the state shown in (A) to the moving frame 3 as shown in (B). The carrier 1
By moving to the left side in the inside, the article W can be completely carried out to the right side, and conversely, from the state shown in (A) to the right side inside the carrier 1 as shown in (C). When you move
The item W can be completely discharged to the left side.

In the example shown in FIG. 2, the number of rollers 4 on both sides of the carrier 1 is three on each side, and the total number of rollers is 6, and the number of rollers 5 of the moving frame 3 is two, that is, four, and the support belts 6 are arranged vertically. When it is wound around, the intermediate portion of the support belt 6 on the upper part of the carrier 1 moves by 5 times the stroke of the moving frame 3. Similarly, when the rollers 4 and 5 are increased, the intermediate portion of the support belt 6 moves. 7 times, 9 times ... an odd multiple of strokes.

3 to 6 show details of the triple-stroke type carrier 1 of the example of FIG.

The carrier 1 has a plate-shaped base 11, and the base 11 is connected to the base 11 of another carrier 1 by a link 12. Vertical wheels 13 and 14 are provided, and the plurality of wheels 13 and 14 form a round bar-shaped and plate-shaped traveling rail 1 that constitutes the above-mentioned transport path 2.
The horizontal wheels 13 having the flanges 13a on both sides and the round bar-shaped traveling rails 15 are engaged with each other to position the carrier 1 in the left-right direction and the up-down direction, and support the load, and thus the vertical By the engagement of the wheel 14 and the plate-shaped traveling rail 16,
The vertical load of the carrier 1 is supported.

The moving frame 3 has a shape in which both ends of a narrow plate are bent upward, and the moving frame 3 also has a plurality of horizontal and vertical wheels 19, 20.
And a horizontal wheel 19 is engaged with a pair of guide rails 21 provided on the base 11, and a vertical wheel 20 is a base.
Guide grooves 23 of a pair of side frames 22 provided on 11
And is thereby supported movably at a right angle to the moving direction of the carrier 1.

The roller 4 is pivotally supported by brackets 26 attached to both ends of the side frame 22, and the support belt 6 is supported.
The intermediate portion, that is, the portion that supports the article W is supported on a support plate 27 provided between the side frames 22.

Further, the roller 7 is axially supported by the lower end portion of a support rod 30 attached to the lower portion of the moving frame 3 via the pin 8, and the roller 7 and the pin 8 are downward from the opening 31 of the base 11. The rollers 7 project and the pair of guide rails 32 in the central portion of the transport path 2
Engage between the pair of guide rails 33 on both sides of the space or the transport path 2,
The pin 8 is adapted to engage with the switching guide 34 or the like of the transport path 2.

A roller 37 for driving the vehicle is provided under the base 11 coaxially with the link 12, and the roller 37 engages with a spiral groove of a drive screw (not shown).

Then, in this transfer device, a large number of transfer bodies 1 are movably supported by the traveling rails 15 and 16 that form the endless transfer path 2 via their wheels 13 and 14, respectively. On the transport path 2, a large number of transport bodies 1 are endlessly axially coupled via a link 12, and a drive screw of a drive mechanism provided at an appropriate position on the transport path 2 is rotated, and the drive screw and the transport body 1 are rotated. The one or several carriers 1 are driven by the engagement with the traveling driving rollers 37, so that the many carriers 1 on the carrier path 2 are cyclically moved as a whole. There is.

Then, in this state, at the loading position provided at a proper position on the transport path 2, the product W is loaded into the intermediate portion of the support belt 6 above the moving transport body 1, and in synchronization with this, the switching guide 34 The moving frame 3 is moved to drive the support belt 6 of the carrier 1, and the support belt 6 draws in the product W to support it on the carrier 1, and the product W of the carrier 1 is moved. By moving, it is transported to the unloading sorting device.

When the carrier 1 carrying the goods W to be sorted out arrives at the unloading sorting position, the moving frame 3 is moved by the operating means including the switching guide 34 and the like, and the support belt 6 of the carrier 1 is moved. Is driven to discharge the article W on the support belt 6 to the side of the transport path 2.

Further, at this unloading sorting position, when the carrier 1 carrying the article W on which the unloading sorting is not carried arrives, the operating means is not operated and the carrier 1 carrying the article W is moved to the next unloading sorting position. To move.

By performing such an operation at a plurality of unloading and sorting positions, it is possible to sort the articles W carried on the support belt 6 of the carrier 1 at the loading position into predetermined unloading and sorting positions for each product type and each shipping destination. it can.

Finally, a part of the frame structure of the carrier 1 will be described in detail with reference to FIG.

As described above, the pair of side frames 22 are positioned on both sides of the moving frame 3 in the moving direction and serve as guides for moving the moving frame 3, and the guide grooves formed on the inner side thereof.
Although the vertical wheel 20 of the moving frame 3 is engaged with 23, the recesses 41 communicating with both ends of the guide groove 23 are formed in the brackets 26 attached to both ends of the side frame 22.
The vertical wheels 20 of the moving frame 3 can be moved to the recess 41 over both ends of the moving frame 23, thereby expanding the moving stroke of the moving frame 3 and the driving stroke of the support belt 6. is doing.

Further, the side frame 22 is molded as a mold material such as aluminum and has the same cross section at any portion, and does not have a function of restricting the moving range of the moving frame 3,
The bracket 26 functions to restrict the moving range of the moving frame 3.

The bracket 26 is provided with support holes 44 and 45, and the shaft 46 of the roller 4 is supported in the support holes 44 and 45. Particularly, by supporting the upper roller 4 on the bracket 26, the item W is The length of the intermediate portion of the supporting belt 6 to support is secured.

Further, the support hole 44 for supporting the upper roller 4 is a long hole, and the male screw 49 inserted into the support hole 44 from the communication hole 48 at the end of the bracket 26 is inserted into the shaft of the roller 4 in the support hole 44. The male screw 49 is screwed into the female screw hole 50, and the tip of the male screw 49 is in contact with the plate 51 pressed into the support hole 44. By adjusting the male screw 49, the support belt 6 is tensioned via the roller 4. Can be adjusted.

Since the roller 4 is provided with the bearing 52, there is no problem even if the shaft 46 is fixed.

The side frame 22 is a mold material such as aluminum and has a plurality of through holes 55, 56, 57 and dovetail grooves 58, 59, in the length direction thereof.
60, two positioning holes 61, 62 formed on the bracket 26 are fitted into the two through holes 56, 57, and the dovetails 58, 59, 60 have bolt heads (not shown). And nuts are fitted, and other members and accessories can be attached via the bolts and nuts. For example, the support plate 27 shown in FIG. It is fixed, and the base 11 shown in FIGS.
Fixed through 63.

In this embodiment, the roller 4 is used as the belt winding member provided on both sides of the carrier 1. However, not limited to the roller 4, a rod having a small diameter may be used. It is possible to reduce the depressions on both ends of the carrier from the transport surface, and also to reduce the height of the carrier 1.

(Effect of the Invention) According to the present invention, since the wheels of the moving frame engaged with the guide grooves of the side frame of the carrier can move to both ends of the guide groove and reach the recesses of the bracket, the moving frame moves. The stroke is increased, which makes it possible to increase the movement stroke of the portion of the support belt that supports the item. Further, since the bracket has the supporting hole for the belt winding member, the length of the portion of the supporting belt for supporting the product can be increased as compared with the case where the belt winding member is attached to the side frame.

[Brief description of drawings]

FIG. 1 shows an embodiment of a carrying device of the present invention, and FIGS.
FIG. 3 is a diagram for explaining the principle of the carrier, FIGS. 3 to 6 are plan views, front views, plan views and side views with a part of the carrier cut away, and FIG. 7 is an exploded view of part of the frame structure. It is a perspective view. 1 ... conveyor, 2 ... conveyance path, 3 ... moving frame, 4 ... roller as a belt winding member, 5 ... roller, 6 ...
Support belts, 20 ... wheels, 22 ... side frames, 23 ...
… Guide groove, 26 …… Bracket, 41 …… Recess, 44 …… Support hole.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP 62-74823 (JP, A) JP 60-31424 (JP, A) Actual 62-179216 (JP, U) Actual 62- 164237 (JP, U) Actual development Sho 56-132222 (JP, U)

Claims (1)

[Claims] 1. A transporting body that moves along a transporting path is provided with movable frames that are movable in both directions intersecting with the transporting direction of the transporting body, and one or more belts are wound around both sides of the transporting body. A member is arranged, two or more rollers are rotatably supported on the moving frame, and an intermediate portion of a supporting belt having a conveying direction intersecting the moving direction of the conveying body is arranged above the conveying body. At the same time, both end portions of the support belt are alternately folded around the belt winding member of the carrier and the roller of the moving frame, and then fixed to both sides of the carrier or the moving frame. However, the transporting device is a transporting device that drives the support belt by moving the moving frame to the side crossing the moving direction of the transporting body, wherein the transporting body is a pair of both side parts in the moving direction of the moving frame. It has a side frame Guide grooves along the moving direction of the moving frame are formed on the inner portions of the side frames, and wheels engaging with the guide grooves are pivotally supported on the moving frame, and the side frames are respectively provided at both ends thereof. A conveying device characterized in that a bracket is attached, and a recess communicating with the end of the guide groove is formed in each bracket and a support hole for supporting the belt winding member is formed.