JPH0117529Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) The invention relates to a conveyor frame, and in particular,
This invention relates to a system in which a mounting frame is supported on a horizontal joint frame that connects side frames on both sides, and conveyor parts are mounted on this mounting frame.

(Prior art) For example, a roller conveyor uses a ladder-like conveyor frame in which a pair of side frames on both sides are connected in parallel with a plurality of horizontal joint frames, and rollers are arranged in parallel between the side frames on both sides of this conveyor frame. However, below the rollers arranged in parallel between the side frames on both sides, a switch for detecting the conveyed object, a solenoid or air cylinder for controlling the conveyed object, a bearing for supporting the drive shaft of the roller, etc. may be provided.

When installing conveyor parts such as electrical components and mechanical elements, the most commonly used method is to support the mounting frame by welding, bolts, etc. to the horizontal joint frame that connects the side frames on both sides, and then attach the conveyor parts to this mounting frame. It was getting worse.

By the way, when supporting the mounting frame to the horizontal joint frame by welding, it is necessary to accurately position the frame during welding, and the welding itself is troublesome, so manufacturing the conveyor frame is labor-intensive and increases the cost. The appearance of the finished product will be poor, and if the mounting frame is supported by bolts on the cross-joint frame, the bolt holes in the cross-joint frame must be formed at exact positions, and tightening the bolts is troublesome. There were problems in that manufacturing was time-consuming and the cost was high.

(Problems to be solved by the invention) As mentioned above, in the past, the mounting frame for attaching conveyor parts was welded, bolted, etc.
Since it was supported on the horizontal joint frame of the conveyor frame, there were problems in that it took time and effort to manufacture the conveyor frame, the cost was high, and the finished appearance was poor.

The present invention was devised in view of these points, and an object of the present invention is to enable the mounting frame to be easily supported on the horizontal joint frame of the conveyor frame.

[Structure of the idea]

(Means for solving the problem) The conveyor frame 1 of the present invention has side frames 2 on both sides.
This conveyor component has a horizontal joint frame 4 that connects the both side frames 2 by fixing both ends with bolts 15 to the both side frames 2, and a pair of parallel side pieces 5a and 5b supported by the horizontal joint frame 4. 6 and a mounting frame 5 for attaching the
The cross-sectional outline of the horizontal joint frame 4 is formed into an oval shape, and an oval support hole 21 is formed in one side piece 5a of the mounting frame 5, and this support hole 21 is fitted into the horizontal joint frame 4. and one side piece 5 of the mounting frame 5
A is supported on the horizontal joint frame 4, a through hole 22 is formed in the other side piece 5b of the mounting frame 5, and the bolt 15 is inserted into the through hole 22 to connect the mounting frame 5 to the other side piece 5b. is sandwiched between the horizontal joint frame 4 and the side frame 2.

(Function) In the conveyor frame 1 of the present invention, when fixing the end of the horizontal joint frame 4 to the side frame 2 with bolts 15, the support hole 21 of one side piece 5a of the mounting frame 5 is fitted into the horizontal joint frame 4. By inserting the bolt 15 into the through hole 22 of the other side piece 5b of the mounting frame 5, when securing the end of the horizontal joint frame 4 to the side frame 2 with the bolt 15, the horizontal joint The mounting frame 5 can be fixedly supported on the frame 4.

(Example) An example of the conveyor frame of the present invention will be described with reference to the drawings.

1 to 3 show a drive-type roller conveyor, in which a plurality of rollers 3 are spaced apart between side frames 2 on both sides of a conveyor frame 1 and have a U-shaped cross section, and are arranged in parallel on a shaft frame. At the same time, a mounting frame 5 is fixedly supported at the lower part of one side of a plurality of cross-jointed frames 4 in which both ends are joined to the above-mentioned both side frames 2, and the lower part of each mounting frame 5 is provided with a mounting frame 5. A drive shaft 7 is supported parallel to the side frame 2 by a bearing 6 as an attached conveyor component, and a plurality of pulleys 8 provided on this drive shaft 7 and a plurality of rollers 3 are each connected by an endless belt 9. By rotating the drive shaft 7 with a motor (not shown), each roller 3 is rotated in the same direction via each pulley 8 and each belt 9.

The conveyor frame 1 is composed of a side frame 2, a horizontal joint frame 4, and a mounting frame 5 on both sides.
This is done as shown in FIG. That is, a pipe with an oval cross section is used for the horizontal joint frame 4, and two parallel cuts are formed on both sides of the horizontal joint frame 4 in the long axis direction of the ellipse, respectively, facing the cross-sectional direction of the horizontal joint frame 4. The parts between the notches are curved inward to form the holding pieces 11, and the end faces of the notches of the horizontal joint frame 4 form abutting parts 12, and the nuts 13 are held in each holding piece 11. A pair of upper and lower through holes 14 are formed in the side frame 2 corresponding to each of the nuts 13, and a bolt 15 is inserted into each through hole 14 so that each nut 13
This tightens the space between the side frame 2 and the contact portion 12 of the horizontal joint frame 4.

Further, the support of the mounting frame 5 is shown in FIGS. 6 and 7.
This is done as shown in the figure. That is, a plate bent in a U-shape is used for the mounting frame 5, and an elliptical support hole 21 corresponding to the cross-sectional outline of the horizontal joint frame 4 is formed in one side piece 5a of the mounting frame 5. , a pair of upper and lower through holes 22 corresponding to each of the bolts 15 are formed in the other side piece 5b of this mounting frame 5,
When fixing the end of the horizontal joint frame 4 to the side frame 2 with the bolts 15, fit the support hole 21 of one side piece 5a of the mounting frame 5 into the horizontal joint frame 4, and then Hole 1
4 through the through hole 22 of the other side piece 5b of the mounting frame 5.
When the end of the horizontal joint frame 4 is fixed with the bolt 15, the mounting frame 5 is prevented from rotating by fitting the support hole 21 of one side piece 5a and the horizontal joint frame 4, and is positioned in a predetermined direction. The other side piece 5b provided with the through hole 22
is held between the side frame 2 and the end face of the horizontal joint frame 4 and positioned at a predetermined position.

Therefore, the bearing 6 attached to the center piece of the mounting frame 5 is accurately positioned and supported.

Further, in the above embodiment, the mounting frame 5 is provided at one end of the horizontal joint frame 4, but it can also be provided at both ends.

FIGS. 8 and 9 show a drive-type roller conveyor in which the conveyance speed by rollers 3 is partially changed. A frame 5 is supported, and drive shafts 7a, 7b are supported on each mounting frame 5 via bearings 6, and these drive shafts 7a, 7
Sprockets 31 and 32 with different diameters are attached to b, and these sprockets 31 and 32 are connected by an endless chain 33. Therefore, the sprocket 32 has a smaller diameter than the drive shaft 7a to which the large diameter sprocket 31 is attached. The drive shaft 7b to which the drive shaft 7b is attached rotates faster, and therefore the roller 3 rotated by the drive shaft 7b rotates faster than the roller 3 rotated by the drive shaft 7a, changing the conveyance speed by the roller 3. be able to.

A third mounting frame 35 is supported at an intermediate portion between the mounting frames 5 on both sides, and this mounting frame 35
Tension is applied to the chain 33 by a tension sprocket 36 which is supported in a position adjustable manner.

The mounting frame 35 has oval support holes 21 formed in both side pieces thereof, and both support holes 21 are formed in the mounting frame 35.
1 to the horizontal joint frame 4, the mounting frame 35 can be placed at any position in the length direction of the horizontal joint frame 4, and can be stopped from rotating and positioned in a predetermined direction. The attachment frame 35 can be positioned at any position in the length direction of the cross joint frame 4 by fitting the oval collars 39 located on both sides of the cross joint frame 4 to the cross joint frame 4.

[Effect of idea]

As described above, according to the present invention, in a conveyor frame in which the side frames on both sides are bolted to both ends of the cross-joint frame to connect them, when the side frames are bolted to the ends of the cross-joint frame, the installation The oval support holes on one side of the frame are fitted into the oval cross-joint frame, and the bolts that connect the side frame to the ends of the cross-joint frame are inserted into the holes on the other side of the mounting frame. When the side frame is bolted to the end of the cross-joint frame by inserting the bolts into the frame, the mounting frame is prevented from rotating by the fit between the support hole on one side piece and the cross-joint frame. The other side piece with the through hole is sandwiched between the side frame and the end face of the cross-joint frame and positioned in a predetermined position, making it easy to weld the mounting frame to the cross-joint frame and install it. It is no longer necessary to bolt the frame to the cross-joint frame, and when connecting the side frame and cross-joint frame, the mounting frame can be easily supported on the cross-joint frame, making it easier to manufacture the conveyor frame. Therefore, the cost is reduced, and since welding is not required, the finished appearance is also improved.

[Brief explanation of the drawing]

The figures show an embodiment of the conveyor frame of the present invention, in which Fig. 1 is a plan view of the roller conveyor, Fig. 2 is a side view thereof, Fig. 3 is a sectional view thereof, and Figs. 4 and 5 are main parts. A sectional view, FIG. 6 is a perspective view, and FIG.
The figure is a perspective view of the mounting frame, and FIGS. 8 and 9 are a plan view and a cross-sectional view of main parts showing modified examples. 1...Conveyor frame, 2...Side frame, 4...
Horizontal joint frame, 5...Mounting frame, 5a, 5b...Side piece,
6... Bearing as a conveyor component, 15... Bolt, 21... Support hole, 22... Through hole.

Claims (1)

[Claims for Utility Model Registration] Side frames on both sides, a horizontal joint frame that connects the both sides frames by bolting both ends to the both sides frames, and a pair of parallel side pieces supported by the horizontal joint frames. and a mounting frame for attaching the conveyor parts, the cross-sectional outline of the horizontal joint frame is formed into an oval shape, an elliptical support hole is formed in one side piece of the mounting frame, and the support hole is connected to the above-mentioned Fitting into the horizontal joint frame and supporting one side piece of the mounting frame on the horizontal joint frame,
A through hole is formed in the other side piece of the mounting frame, and the bolt is inserted into the through hole so that the other side piece of the mounting frame is sandwiched between the horizontal joint frame and the side frame. conveyor frame.