JPS58197104A - Free curve conveyor - Google Patents

Abstract

PURPOSE:To enable to convey horizontally and with an upward inclination, by a method wherein driving rotary bodies are provided at upper ends of a plurality of stretchable bodies, driven rotary bodies are provided at intermediate parts of the stretchable bodies, and a loop form body is sequentially fitted between the two kinds of rotary bodies, in a free curve conveyor for gravity conveying. CONSTITUTION:The stretchable bodies 3 at both ends are stretched or contracted to adjust the overall length and the shape of a track. In this cae, the distance between a motor 7 and a carrier roller 4, that between the carrier roller 4 and a counter roller 5 and that between a pair of carrier rollers 4 provided on a base body 2 are constant, and a belt 6, the carrier roller 4, the counter rollers 5, a belt 6a and the carrier rollers 4 provided on the base bodies 2 are driven by driving the motors 7. Accordingly, horizontal conveying and upwardly inclined conveying can be conducted in addition to downwardly inclined conveying by gravity.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention provides a structure in which a number x 8 rotary bodies such as carrier rollers or carrier wheels are arranged in parallel on shaft racks of several one-gt Okisode bodies arranged in parallel. This invention relates to a free-curve conveyor in which the conveyance path can be set in a straight line, and the conveyance path can be set in a straight line.

[Technical background of the invention]

The conventional 7 recurve conveyor used gravity feeding, that is, by setting the conveying surface in a downwardly inclined direction, the conveyed object was conveyed by its own weight.

[Mabin point of background technology]

Therefore, with conventional free curve conveyors, it is not possible to convey in a slightly downwardly inclined direction or upwardly inclined direction, and in this case, it is necessary for the operator to push the conveyor.
Even in the case of a downwardly inclined direction, there was a drawback that the conveyance speed became unstable.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide a free curve conveyor 1 that is capable of conveying in a horizontal direction or an upwardly inclined direction.

[Summary of the invention]

A pantograph-like elastic body is formed by connecting the frames in the central part and both ends s with eyelets, and a plurality of these elastic bodies are arranged in parallel, and one end of each connecting rod of the plurality of threads is A transport (b) rolling body is installed between the eyelet fittings at the center of each connecting rod, and a transmission rotating body is installed in parallel on the shaft between the eyelet fittings at the center of each connecting rod. An endless body is rotated around each transport rotating body and body movement (b) rolling body as best as possible, and each of the i1 sending rotating bodies is driven by at least one motor via each transmission rotating body and each endless body. So, by pressing this button, double feed in the horizontal direction or upward direction of 111% is made into one boat.

[Embodiments of the invention]

Next, the present invention will be specifically explained with reference to an embodiment shown in the drawings.

Figures 1 to 6 show a free curve conveyor (1) of the present invention, and this conveyor +11 has two (M!11) pairs of pantograph-shaped conveyors between a plurality of legs (2). The carrier rollers (3) are mounted parallel to each other, and a large number of carrier rollers (4) as conveying rotating bodies are arranged in parallel on a shaft between the upper ends of each of the extensible members (3). A large number of counter rollers (5) serving as transmission rotating bodies are arranged in parallel between the central parts of the carrier rollers (
4) and counter rollers (5)
5) and the valley carrier roller (
4) The opening li:IIK rotation is made.

As shown in Figure 3-4, the above Tani Shintai (3) has a large number of connecting rods I pivoted at the center using eyelet metal fittings (IsHc), and is connected in an X shape. Eyelet metal fittings U are attached to the upper and lower ends of each connecting rod aυ, which is connected in an X-shape in the same way.
K is formed by sequentially pivoting and connecting k,
The upper and lower ends sK of the connecting rod aυ at both ends are also attached with eyelet fittings (l hot water).The eyelet fittings that pivot the connecting rod aυ... are installed loosely so that there is some play, Make 5JC so that the stretchable body (3) can be formed into one wafer.

As shown in Fig. 1,175, each of the carrier rollers (4) is fitted with a bolt a$ and a nut a- between the eyelet fittings a4 of the upper ends of the respective connecting rods αυ of the respective extension bodies (3) on both sides. The above counter rollers (
5) is a bolt (15) and a nut (cle) between the eyelet fittings a in the center of each connecting rod aυ of each telescopic body (3) of one frame, although not shown in the figure, similarly to each of the carrier rollers (4) described above. Each of the carrier rollers (4) and each of the counter rollers (5) has a built-in bearing aη at both ends 11 to ensure smooth rotation.

Each of the carrier rollers (4) at both ends of each pair of elastic bodies (3) is attached to each of the carrier rollers (4) by bolts (US) and nuts (1e).
) are pivotally attached to the upper ends of the leg bodies (2), and each telescopic body on both sides is connected by short bolts and nuts (not shown). The eyelets ^04 at the lower ends of the connecting rods aυ at both ends of (3) are pivotally attached to the sliding members (2) which are fitted to both the wheels of the rod (2) so as to be able to move up and down. Furthermore, carrier rollers (
4) is fixed with bolt (c) and nut Q→.

Each of the round belts (6) is sequentially wound around each carrier roller (4) in the upper part of each connecting rod Uυ and each counter roller (5) in the central part, as shown in Figs. 6 and 117. A rather short round belt (6,) is wound around a pair of carrier rollers (4)K at the top of each leg (2).

Each of the motors (7) is provided in place of the counter row 5 (5) at an intermediate portion in the front-rear direction between each pair of telescopic bodies (3).

That is, as shown in Fig. 1 and Fig. 9, counter rollers ( 5)
Instead of mounting the bolts (is,
) with a plurality of brackets Qυ(2) and collars c, respectively.
! 3 (to) (2), and this collar (2) c
Bracket (21) positioned by 141 (c)
) (2) The K motor (7) is installed, and therefore,
The output shaft of the motor (7) is disposed at the vertical center of the connecting rod (11,), that is, at a position corresponding to the shaft mounting position of the counter roller (5), and a drive roller is attached to this output shaft. A round belt 6) is wrapped around @.

In addition, each of the legs (2) has casters 4 attached to both lower end portions a, and the caster portions are formed to be extendable and retractable.

When using this free curve conveyor (1), the total length can be changed by stretching each elastic body (3) on both sides, and each elastic body (3) on both sides can expand and contract independently. In this case, the drive roller (E) and carrier roller (4) interlocked by the round belt 6) (6eL) can be formed. ), between the carrier roller (4) and the counter roller (5), and between the pair of carrier rollers (4) on the legs (2), the dimensions of the motor (7) do not change. By driving each carrier roller (4), it is possible to drive each carrier roller (4) reliably and in a relaxed state.

Then, connect the motor (7) with a pair of bolts (15a) K
Therefore, since it is supported in a suspended manner, there is no need for a motor base or the like, and since it is positioned on the island by the collar connector, the main body can be constructed easily and easily.

In addition, in this embodiment, as shown in Figures 4 and 5, the connecting rod 0υ was formed by press working, and the center part was bulged out on one side over the entire length.
The strength of the connecting rod ←υ is increased, the thickness of the plate can be made thinner, and it can be quantified. Moreover, the part where the eyelet fittings 0) are scattered has a ridged edge C.
11l) is bent, so there is no need for washers etc., and the heads of bolts 4 and nuts (le, etc.) are bent.
[K is set so that it does not stand out too much.

In this embodiment, the round belts (6) (6,) are arranged on one part of the conveyor (1), but for each span divided by each leg (2) K, one part and the other side are arranged. They may be placed alternately in the middle, or they may be placed in the center, and the circles (6) and (6,) may be placed on the carrier roller (4) and the drive roller (e). This is achieved by two narrow grooves formed and one wide groove formed by the counter roller (5), but one of them may be omitted.

Further, in this embodiment, the driving force is transmitted by the round belt 61 (6,), but the present invention is not limited to this, and a timing belt or a chain belt may also be used.

In addition to the usual type of motor (7) 4, it is also possible to use a motor roller whose central axis is fixed and whose outer periphery is rotatable and has a cylindrical shape.

Further, although the motors (one force for each span) are provided, two or more motors (7) may be provided for each span, or some motors (force) may be omitted.

In addition, the driving part 1 and 4 may be provided at the lower end of the telescopic body (3), or
Alternatively, by using the above-mentioned motor roller and further replacing each counter ruler with a carrier roller, it is also possible to carry out the conveyance at two positions: the upper end of the elastic body (3) and the intermediate portion below it.

In addition, if a drive unit is provided for each span, a round belt (6
, ) and by changing the conveyance speed of each span, it is possible to approach and separate the conveyed object.

Furthermore, instead of the carrier roller (4) as the conveyance rotating body, a large number of wheels may be arranged in an abacus shape. Bye.

Figures 10 and 11 show examples of how this free curve conveyor (1) is used, and Figure 10 shows how the end of the conveyor (1) can be opened by removing the legs (2) at the end. It shows a state in which it is connected to another conveyor by overhanging it above an obstacle such as a floor surface, and it is connected to another conveyor 143G44) (c))
This shows the state where the connection is curved to avoid the
When installing a conveyor in such a curved shape, it is necessary to combine curve conveyors with various curvatures and single-edge conveyors, but this is not necessary with this free curve conveyor (1), and it is extremely easy to install. be able to.

[Effect of release]

According to the present invention, in the free curve conveyor whose conveyance path can be expanded and contracted and whose conveyance path can be set in a curved shape, the conveyance rotary body is driven, so that conveyance in the horizontal direction and upwardly inclined direction is possible. Moreover, the endless body that transmits the driving force is not affected by the expansion, contraction, and curvature of the conveyor.
The conveyor rotating body is driven reliably and in a stable state.

[Brief explanation of drawings]

The figures show one example of the free curve conveyor of the present invention, and Figure 1 is an overall plan view thereof, Figure 21Q is an overall side view thereof, and Figure 16 is a sectional view taken along the line L in Figure 2. spear 4
The figure is a detailed view of the telescopic body, and the close-up view is a partially cutaway front view showing the state of the roller shaft. What is shown is a 1 year old 6 figure is a flat fig,,! Figure 7 is a side view, 1
Figures 8 and 9 show the drive section.
is a partially cut-out l111# diagram, Figure 9 is a ■- section cross-sectional view of Figure 8, and Figures 10 and 1.11 show different usage examples.
The bottom view and Figure 11 are plan views. (1)...free curve conveyor, (3)--stretchable body,
(4) Carrier roller as transport rotating body, (5)
... Counter roller as a power transmission rotating body, (6) (6
゜) - Round belt as an endless body, (7) - Exposure motor,
Negative υ(11,)...Connecting rod, aδ...Eyelet fitting, (lδ
,)...Bolt as a rod, 3υ(2)...Bracket, (C) (To) (C)...Collar. 111:j・□

Claims (2)

[Claims] (1) A large number of connecting rods are sequentially axially connected with eyelet metal fittings at the center and both ends to form a pantograph-like elastic body, and a plurality of these elastic bodies are arranged in parallel. The KW & feeding rotating bodies are arranged on a shaft parallel between the eyelet fittings at one end of each connecting rod, and the transmission rotating bodies are arranged on a shaft parallel between the eyelet fittings at the center of each connecting rod. 41iFg that an endless body is connected to each of the conveying rotary bodies and each transmission-rolling body, and each of the conveying rotary bodies is driven by at least one motor via each of the transmission rotary bodies and each endless body. , free curve conveyor. (2) The above-mentioned motor is attached to a bracket that is positioned in conjunction with a plurality of collars on a rod that is horizontally suspended between the connecting rods of the telescopic body of the above-mentioned rectifier.
The free curve conveyor according to claim 1.