JPH0512176Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] This invention relates to an improved technology for roller conveyors.

[Conventional technology]

Such conventional roller conveyors generally have a cross section C
A pair of frame bodies made of a suitable combination of shaped lip steel, lightweight angle iron, etc. are mounted on the supports, and a plurality of support shafts equipped with conveyor rollers are installed across the pair of frame bodies, and the support shafts are A sprocket is provided at one end, an endless chain is wound around the sprocket, a support guide for the chain is connected to the frame body, and a drive device is provided in the chain interlocking system.

The above-mentioned roller conveyor is installed, for example, in an automobile parts production line, but it is known that the above-mentioned line is often changed in conjunction with the development of new car models, and in the past, We design and manufacture a roller conveyor with a width and length suitable for the next production line, dismantle and remove the existing roller conveyor, and install a newly designed and manufactured roller conveyor.

[The problem that the idea aims to solve]

However, each time the line width or line length is changed, it takes a lot of effort and time to design and manufacture a roller conveyor, dismantle and remove the existing roller conveyor, and install a new roller conveyor. In this case, the conveyor components are made into multiple units, and the dismantling and removal or new installation of the roller conveyor is carried out in units.However, this unit is relatively heavy, and it is difficult to transport the unit when dismantling and removing or installing a new conveyor.・It took a lot of effort to transport the equipment, and it was extremely uneconomical, especially since all the components of the existing conveyor were scrapped.

The object of the present invention is to provide a roller conveyor that overcomes the above-mentioned disadvantages through reasonable improvements.

[Means to solve the problem]

The roller conveyor according to the present invention, which has achieved the above object, has a connecting member for regulating the distance that connects a pair of frame bodies at a distance mounted on a support, and also supports a conveyor roller with a sprocket in a cantilevered manner. A roller holding member is provided on the upper part of the frame body so that the conveyor rollers face each other, and a bracket on which a chain guide of the sprocket drive chain is erected is connected to a surface portion of the frame body on one side in the width direction facing each other. The connecting body, which is a component of the connecting member, the frame main body, and the roller holding member are made of extruded aluminum, and the locking convex portion of the connecting body is A first recess for fitting and holding the chain guide is provided on the lower surface of the frame body, a second recess for fitting and holding the chain guide is provided on the upper surface of each bracket, and a frame main body connecting portion is provided on the other side in the width direction of the frame body. Further, a fourth recess is provided on the upper surface of the frame main body to fit and hold the locking convex portion of the roller holding member, and A column fitting recess is provided on the bottom surface to fit the column.
Another feature is that each of the first to fourth recesses and the strut fitting recess is formed into a deep-spreading shape that allows the member to be fitted to be inserted and removed only in the longitudinal direction of the frame body.

[Effect]

According to the above-mentioned characteristic configuration, the width and length of the line can be changed, for example, by the following means while utilizing the main conveyor components as they are.

(1) Add the frame body using the connected body (or the nut member shown in Figure 1) for the fourth recess of the roller holding member, or remove a part of the conveyor part, and adjust accordingly. By changing the length of the chain drive system, the line length can be changed without changing all of the existing main conveyor components, such as the frame body, roller holding members, and connecting members.

(2) If you prepare a connecting member in which the position of the column fitting recess is constant and the position of the locking protrusion relative to the first recess of the frame body is different, and replace it with the connecting member of the existing roller conveyor, The frame body, which is the main conveyor component, and
The width of the line can be changed by using the roller holding member as is.

(3) Prepare a conveyor roller with a sprocket with a different roller length and replace it with the conveyor roller of the existing conveyor, or
By preparing a roller holding member equipped with conveyor rollers with different roller lengths and replacing it with the roller holding member of the existing conveyor, the frame body and connecting member, which are the main components of the existing conveyor, can be used as is. Thus, the line width change is achieved.

(4) By appropriately changing the diameters of the sprocket of the roller holding member and the conveyor roller, and by changing the diameter of the drive sprocket and the height of the chain guide in accordance with the change in the diameter of the sprocket, the existing main By using the frame main body and the connecting member, which are conveyor components, as they are, specifications of the conveyance capacity such as conveyance speed and conveyance torque can be changed.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

FIG. 1 shows the main parts of a roller conveyor, in which a long connecting member 2 is mounted on the upper end of a movable portable column 1, and a pair of frame bodies 3, 3 to constitute a conveyor frame 4.

Chain guides 5, 5, sprocket holding members 6..., roller holding members 7,
7 is provided.

The sprocket holding member 6 includes a sprocket 9 rotatable around a horizontal axis 8, and convex nut members 10, 10 each having a plurality of internal threads a are fixed thereto by bolts b. It is becoming more and more common.

As shown in FIG. 3, the chain guide 5,
5 has an inverted T-shaped engagement body 5 on its lower side.
a, 5a are formed.

The conveyor roller holding member 7 is an aluminum extrusion molded product, and as shown in FIGS. 2 and 3, it has an inverted T-shaped locking convex portion 7a on the lower side, and has a locking convex portion 7a in the longitudinal direction. Horizontal axis 1 at intervals
1..., and on this horizontal shaft 11, a conveyor roller 12 with a sprocket G is held in a cantilever state so as to freely rotate.

The connecting member 2 includes a pair of frame bodies 3, 3
Two connecting bodies 2A, 2A that are fitted and held together, and a connecting plate body 2B that spans these two connecting bodies 2A, 2A.
One of the connecting bodies 2A is an extrusion molded product of aluminum, and its upper surface is provided with a T-shaped locking protrusion 2a, and its lower surface is provided with an L-shaped locking protrusion. 2a and a T-shaped column fitting recess 2d, and a receiving plate portion 2c is further provided on the side surface.

The other connecting plate body 2B is made of a bent steel plate, and L-shaped engagement plate portions 2d, 2d corresponding to the L-shaped locking convex portions 2b are bent and connected at both widthwise ends of the horizontal plate portion 2e. It consists of

Next, the frame body 3 has a pair of upper and lower brackets 13 and 14 on one side in the width direction facing each other.
It consists of an aluminum extrusion molded product in which the connecting member 2 has a locking convex portion 2 on its lower surface.
A first recess 3a is provided to fit and hold the chain guides 5, and second recesses 3b, 3b are provided on the upper surfaces of the brackets 13, 14 to fit and hold the lower engaging bodies 5a of the chain guides 5, 5. It is provided.

Further, third recesses 3c, 3c are provided on the other side of the width direction of the frame body 3 for fitting and holding nut members 10, 10, which are connected bodies for connecting the frame body, and A fourth recess 3d is provided on the upper surface of the frame main body 3 to fit and hold the locking convex portion 7a of the roller holding member 7, which also serves to connect the frame main bodies, by extending over the adjacent frame main bodies 3, 3. It is being

The first to fourth recesses 3a of the frame main body 3
3d has the shape of a T-groove that widens inward when viewed in the longitudinal direction of the frame body 3, and is connected to the locking convex portion 2a of the connecting body 2A and the engaging body 5a of the chain guides 5, 5.
and the nut member 10 of the sprocket holding member 6,
10, and the locking protrusion 7a of the roller holding member 7
are configured such that they can be inserted and removed only in the longitudinal direction of the frame body 3.

Further, the column fitting recess 2d of the connecting member 2
The frame body 3 also has a T-groove shape that widens inward when viewed in the longitudinal direction of the frame body 3, and is configured such that the upper end portion of the support column 1 can be inserted into and removed from the frame body 3 only in the longitudinal direction.

Incidentally, on the end surface of the upper bracket 13,
A fifth recess 3e is provided for fitting and connecting the connecting member 15 as required.

Thus, a predetermined number of connecting members 2 and a frame body 3
is prepared, the connecting member 2 is fitted and mounted on the upper end of the transportable struts 1, 1, and the frame main body 3 is fitted and connected to both sides of the connecting member 2 in the width direction, so that a desired arbitrary length can be obtained. A conveyor frame 4 is constructed.

and a second recess 3b of the frame main body 3,
3b, the chain guides 5, 5 are fitted and connected, and the upper and lower third
Fittingly connecting the nut members 10, 10 of the sprocket holding member 6 across the recesses 3c, 3c,
Then, the endless chain 16 is wound around each of the sprockets 9, 9, and the roller holding member 7 is fitted into the fourth recess 3d of the frame body 3, with the sprocket G meshing with the endless chain 16. By connecting them, an overall lightweight roller conveyor for conveying various types of workpieces W, such as plate-shaped pieces, is constructed.

In the roller conveyor described above, for example, by adding the frame body 3 with the connected bodies 7a and 10 (or removing a part of the conveyor part) and changing the length of the chain drive system accordingly, it is possible to replace the existing structure. The main conveyor components are the frame bodies 3, 3, the roller holding member 7, and the connecting member 2,
Also, there is no need to change the entire drive system of the chain 13, and the line length of the roller conveyor can be changed.

In addition, the connecting member 2 in the existing conveyor,
By replacing the connecting member 2 with a connecting member 2 in which the position of the column fitting recess 2d is constant and the position of the locking protrusion 2a relative to the first recess of the frame body is different, the frame body 3, which is the main conveyor component, and the roller retention The width of the line can be changed by using the member 7 and the chain 13 drive system as they are.

Alternatively, the existing conveyor roller 12 with a sprocket can be replaced with a conveyor roller 1 with a different roller length.
2, or by replacing the roller holding member 7 with a roller holding member 7 equipped with conveyor rollers 12 having different roller lengths, the frame body 3, which is the existing main conveyor component, can be
3 and the connecting member 2 can be used as they are to change the width of the line.

Furthermore, by changing the diameters of the sprocket G of the roller holding member 7 and the conveyor roller 12, and accordingly changing the diameter of the drive sprocket 9 and changing the height of the chain guides 5, 5, the existing main conveyor components can be changed. A certain frame body 3, 3, and
By using the connecting member 2 as it is, the specifications of the conveying capacity (conveying speed and conveying torque) can be changed.

[Effect of idea]

As explained above, according to the roller conveyor of the present invention, the frame body, which is the main body of the conveyor frame, the connecting body, which is the component of the connecting member, and the roller holding member are made of independent aluminum extrusion molded products. In addition to being able to form a large number of concave portions without increasing costs, it is also lightweight, making it easy to change specifications by replacing each component.

In addition, at the design stage or after installation, the main components can be used as they are to easily change the line width and length of the roller conveyor, as well as change the specifications of the conveying capacity. be able to.

Furthermore, on the conveyor manufacturing side, by stocking the main components of the conveyor, such as the pillars, the frame body, and the roller holding member body, as standard products, only the component parts other than these standard products are manufactured. By simply using this method, conveyors that meet various specifications can be manufactured with little time and economic loss.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is an exploded perspective view of the main parts of the roller conveyor, Fig. 2 is a sectional view of the upper part of the roller conveyor, and Fig. 3 is an exploded view of the right half of the roller conveyor. be. DESCRIPTION OF SYMBOLS 1... Strut, 2... Connecting member, 2d... Strut fitting recess, 3... Frame body, 5... Chain guide, 7... Roller holding member, 7a, 10...
Connected bodies, 12... Conveyor roller with sprocket, 13, 14... Bracket, 16... Chain, 3a to 3d... First to fourth recesses.

Claims (1)

[Scope of utility model registration request] A spacing regulating connecting member that connects a pair of frame bodies at an interval is mounted on a support, and a roller holding member holding a conveyor roller with a sprocket in a cantilever is placed between the frame bodies with the conveyor rollers facing each other. A bracket is provided on the upper part and further includes a bracket on which a chain guide of a sprocket drive chain is erected, and is connected to a face portion of one side in the width direction facing each other of the frame main body, and a connection which is a component of the connection member. The body, the frame main body, and the roller holding member are made of extruded aluminum, and a first recess for fitting and holding the locking convex portion of the connecting body is provided on the lower surface of the frame main body, A second recess for fitting and holding the chain guide is provided on the upper surface of each bracket, and a third recess for fitting and holding a connected body for connecting the frame main body is provided on the other side of the frame main body in the width direction, Further, the upper surface of the frame body is provided with a fourth recess that fits and holds the locking convex portion of the roller holding member, while the lower surface of the connecting member is provided with a column fitting recess that fits into the column, And the above first
A roller conveyor characterized in that each of the fourth recess and the column-fitting recess is formed into a deep-spreading shape that allows a member to be fitted to be inserted and removed only in the longitudinal direction of the frame body.