JP2015020843A - Conveyor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a conveyor device in which a structure of a drive unit is simplified, the drive unit and an operation panel can be stored in one box, and even when a belt is broken, the other equipment stored in the same box avoid the influences of a broken piece of the belt or the like.SOLUTION: The conveyor device includes a pair of right and left conveyor frames facing the back and forth direction, conveyance object conveying means placed between the conveyor frames, drive means for driving the conveyance object conveying means, a power device capable of controlling the speed of the drive means, and a storage box for storing the drive means and the power device. The storage box is hung under a lower surface of the conveyor frames. The storage box has an opening, and attaching means attached with the power device is attached to the opening.

Description

  The present invention relates to a conveyor device for conveying articles such as a roller conveyor and a belt conveyor, and more particularly to a mounting structure of a control device that controls the conveyor device.

  A conventional belt conveyor 1 is provided at a pair of frames 2, leg posts 3 and 3 attached to the lower surfaces of both ends, and front and rear ends of the frame 2 so as to be rotatable about an axis directed in the left-right direction. A pair of end rollers 4, 4, an endless belt 5 wound around both rollers 4, a drive unit 6 suspended at the lower part of the frame 2, and a frame 2 behind the drive unit 6. The drive unit 6 includes a motor 16 having a drive sprocket 15 attached to a rotary shaft 16a, a drive drum 17, and a pair of front and rear guide rollers 18 and 18. ing. (For example, refer to Patent Document 1).

JP 2002-145434 (see paragraphs [0010]-[0014], FIG. 1)

  In the belt conveyor 1 shown in Patent Document 1 described above, a box that houses a motor 16 having a drive sprocket 15, a box that houses a drive drum 17 and a pair of front and rear guide rollers 18, 18, Since it is composed of three boxes of the operation panel 7, there is a problem that an installation space becomes large, which hinders downsizing and also requires a lot of time for assembly.

  In addition, when the above three boxes are configured as a single box, there are many parts to be stored, and it is necessary to ensure the distance between the parts, so the size of the box becomes large and the assembly to the conveyor device becomes difficult. . In addition, since the size of the operation panel varies greatly depending on the capacity, it is necessary to design and manufacture the storage box according to the size of the operation panel each time, which is troublesome.

  Further, in the case where the drive drum 17 and the guide roller 18 which are rotating bodies and the operation panel 7 are stored in one box, in the unlikely event that the belt is damaged, the operation from the impact caused by the contact with the damaged belt. It is necessary to take measures to protect the board.

  The present invention has been made paying attention to such problems, and the drive device and the operation panel can be stored in one box without changing the size of the storage box even if the capacity is changed. An object of the present invention is to provide a conveyor device that can protect an operation panel from an impact caused by contact with a damaged belt even if the belt is damaged.

In order to solve the above-mentioned problems, a conveyor device according to the present invention drives a pair of left and right conveyor frames facing in the front-rear direction, a conveyed product conveying means disposed between the conveyor frames, and the conveyed product conveying means. A conveyor device comprising: a drive unit; a power source device capable of controlling a speed of the drive unit; and a storage box storing the drive unit and the power source device, wherein the storage box is suspended from a lower surface of the conveyor frame. And the said storage box has an opening part, The attachment means which attached the said power supply device was attached to the said opening part, It is characterized by the above-mentioned.
According to this feature, by attaching the attachment means with the power supply device attached to the opening, it is possible to accommodate power supply devices of different sizes by changing only the dimensions of the attachment means without changing the dimensions of the storage box. Can be stored in a box.

In the conveyor device according to the present invention, the driving means includes a tension roller, a guide roller, and a pulley, and the tension roller and the guide roller are arranged at substantially the same height position with a predetermined interval. The pulley is disposed on the lower side of the tension roller, and the power supply device is disposed on the lower side of the guide roller.
According to this feature, the pulley, tension roller, and guide roller are arranged in the storage box, so that a space for arranging the power supply device can be secured, and the pulley, tension roller, guide roller, and power supply device are stored in one storage box. can do.

The conveyor device of the present invention includes a rear plate that protrudes from the rear plate of the storage box and fixes the power supply device, an extending portion that is fixed to the opening edge of the opening, and a protective plate that protects the power supply device. It has the attachment means which consists of these.
According to this feature, by changing only the dimensions of the attachment means without changing the dimensions of the storage box, it is possible to store the power supply devices having different sizes in the storage box, and the power supply device can be prevented from being damaged by the drive belt. Can be protected.

The conveyor device according to the present invention is characterized in that the power supply device has attachment means that can accommodate the power supply device in a storage box so that the positions of the front operation portions thereof are substantially the same even if the sizes of the power supply device are different.
According to this feature, even if the sizes of the power supply devices are different, the position of the front operation unit can be made substantially the same without changing the dimensions of the storage box.

It is the figure which looked at the conveyor apparatus of this invention from the side. It is detail drawing of the storage box 20 of FIG.1 (b). It is a figure which shows the AA cross section of FIG. It is a figure explaining the attachment of the power supply device from which a dimension differs.

  A conveyor apparatus according to the present invention will be described with reference to FIGS. 1 and 2.

  The conveyor apparatus 1 includes a pair of left and right conveyor frames 2a and 2b facing in the front-rear direction, a roller 3 serving as a conveyance object disposed between the pair of left and right conveyor frames, and a driving unit 10 that rotationally drives the roller 3. And a power supply device 15 capable of controlling the speed of the drive means 10 and a storage box 20 for storing the drive means 10 and the power supply device 15, and the storage box 20 is suspended from the lower surfaces of the conveyor frames 2a and 2b. doing.

  The plurality of rollers 3 of the conveyor device 1 are disposed between a pair of left and right conveyor frames 2a and 2b, and the plurality of rollers 3 are pivotally attached so as to be freely rotatable with respect to the conveyor frames 2a and 2b. A pair of end rollers 4a and 4b facing the left and right direction are pivotally attached to the front and rear ends of the conveyor frames 2a and 2b.

  The driving means 10 will be described with reference to FIGS.

  As shown in FIG. 2, the driving means 10 includes a pulley 11, a tension roller 13, and a guide roller 14 that are attached to an output shaft of a motor 12 as a rotational drive source. The drive belt 5 that moves in the front-rear direction is wound around the pulley 11, the tension roller, the guide roller 14, and the pair of end rollers 4a and 4b, and runs endlessly. The driving belt 5 and the roller 3 are controlled to contact or non-contact by a driving belt pressing means (not shown) that presses the driving belt 5 toward the roller 3, and the driving belt 5 contacts the roller 3. The roller 3 is rotationally driven. The power supply device 15 is configured by an inverter power supply or the like, and the motor 12 that drives the pulley 11 is driven to rotate at a desired rotation speed by the electric power supplied from the power supply device 15. The pulley 11, the tension roller 13, the guide roller 14, and the power supply device 15 are stored in a storage box 20.

  As shown in FIG. 2, the tension roller 13 can adjust the tension of the drive belt 5 by moving in the groove 17 provided in the rear plate 21 by a tension adjusting device. The tension adjusting device includes a nut 43 and a support seat 44 that support both ends of the stud bolt 42, and a seat 41 that is screwed to the stud bolt 42. When the stud bolt 42 is turned, the seat 41 moves, By moving the tension roller 13 fixed to the belt, the tension of the drive belt 5 can be adjusted.

  The tension roller 13 and the guide roller 14 are arranged at substantially the same height position with a predetermined interval. The distance between the tension roller 13 and the guide roller 14 is determined based on the length of the stud bolt 42 of the tension adjusting device. That is, as shown in FIG. 2, the tension roller 13 can be moved in the groove 17 having the length e provided on the rear plate 21 by the stud bolt 42. The length of the groove 17 is longer than the length e of the groove 17, and the guide roller 14 is arranged at a distance of at least a length f from the end of the groove 17. The pulley 11 is disposed on the lower side of the tension roller 13 so that the tension generated by the tension roller 13 is efficiently applied.

  Thus, the tension roller 13 and the guide roller 14 are provided with an interval determined from the length of the stud bolt 42 of the tension adjusting device, and the tension roller 13 and the guide roller 14 are arranged at substantially the same height position. By arranging the pulley 11 on the lower side of the tension roller 13, a space for arranging the power supply device 15 can be secured below the guide roller 14.

  The storage box 20 will be described with reference to FIGS. 1 to 3. As shown in FIG. 1, the storage box 20 is attached to the lower surfaces of the conveyor frames 2a and 2b. 1A shows a state in which the lid 31 is attached to the storage box 20, FIG. 1B shows a state in which the lid 31 has been removed from the storage box 20, and FIG. 2 shows FIG. FIG. 3 is a detailed view of the storage box 20 in FIG. The storage box 20 includes a rear plate 21, side plates 22 and 23, attachment means 24, and a lid 31.

  A side plate 22 is fixed to the left end portion of the rear plate 21, and the side plate 22 is fixed to the lower surfaces of the conveyor frames 2 a and 2 b and supports the left end portion of the rear plate 21. Similarly, a side plate 23 is fixed to the right end portion of the rear plate 21, and the side plate 23 is fixed to the lower surfaces of the conveyor frames 2 a and 2 b and supports the right end portion of the rear plate 21.

  The rear plate 21 is provided with an opening 30 in the space for the power supply device secured by arranging the tension roller 13, the guide roller 14 and the pulley 11 as described above. As will be described later, the opening 30 has such an opening dimension that a power supply device having a different dimension can be attached.

  The attachment structure of the power supply device 15 will be described with reference to FIG. FIG. 3 is a view showing a cross section taken along the line AA of FIG. The power supply device 15 is attached to the attaching means 24, inserted into the opening 30 formed in the rear plate 21, and fixed to the rear plate 21. As shown in FIG. 3, the attaching means 24 includes a back plate 25, an extending portion 26, and a protective plate 27.

  The protection plate 27 protects the power supply device arranged immediately below the guide roller 14 and partitions the guide roller 14 that is a rotating body and the power supply device 15. Since the power supply device 15 is vulnerable to an impact, if the belt is damaged, it is protected by the protective plate 27 so that the damaged belt does not come into contact with the power supply device 15 and give an impact. The protection plate 27 may be formed so as to cover only the upper portion of the power supply device 15 in consideration of the structure of the storage box 20, the shape of the power supply device 15, etc., or covers the upper half and the entire circumference of the power supply device 15. You may form as follows.

  The back plate 25 has holes formed therein, and screws 28 are inserted into the attachment portion on the back surface of the power supply device 15 and the holes in the back plate 25 to fasten the power supply device 15 and the attachment means 24.

  The attachment means 24 to which the power supply device 15 is attached is inserted into an opening 30 formed in the rear plate 21, and a screw 29 is inserted into a hole provided in the extending portion 26, so that the rear plate 21 and the attachment means 24 are inserted. Is concluded.

  Since the size of the power supply device 15 varies depending on the capacity, it is necessary to change the size of the storage box 20 in accordance with the size of the power supply device 15 in order to store the power supply device 15 having a different size in the storage box 20. . However, if the size of the storage box is changed according to the size of the power supply device 15, the mounting positions of the pulley 11, the tension roller 13, and the guide roller 14 attached to the rear plate 21 of the storage box 20 change. There is a design and manufacturing effort. Therefore, without changing the mounting position of the driving device 20 with respect to the storage box 20, only the mounting means 24 is changed in shape so that the power supply devices 15 of different sizes can be mounted.

  4 is a view showing a cross section AA of FIG. 2, and FIG. 4A shows a view in which the power supply device 15-1 having a small capacity and a small size is attached to the storage box 20. FIG. 4B shows a diagram in which the power supply device 15-2 having a large capacity and a large size is attached to the storage box 20. 4 (c) is a view taken along the arrow Y in FIG. 4 (a), showing the small-capacity power supply device 15-1 and the mounting means 24-1, and FIG. It is a view and is a figure which shows the mass power supply device 15-2 and the attaching means 24-2.

  4A and 4C, the back plate 25-1 of the attachment means 24-1 is formed in a flat plate shape. The distance L1 from the attachment surface 32 of the extended portion 26 to the inner surface of the lid 31 on the rear plate 21 is greater than the distance M1 from the attachment surface 34 of the extended portion 26-1 to the front operation portion of the power supply device 15-1. Therefore, the front operation unit of the power supply device 15-1 does not come into contact with the lid 31.

Next, the case where the large capacity and large size power supply device 15-2 is attached to the storage box 20 having the same size and shape as FIG.
As shown in FIG. 4D, the attachment means 24-2 has a shape in which the back plate 25-2 is protruded in the direction opposite to the surface to which the power supply device 15 is attached with respect to the extending portion 26-2. Yes. Therefore, in FIG. 4B, even if the distance L1 from the mounting surface 32 of the extending portion 26 on the rear plate 21 to the inner surface of the lid 31 is the same as that in FIG. 2, the distance M2 from the mounting surface 35 to the front operation unit of the power supply device 15-2 can be made smaller than the distance L1, so that the front operation unit of the power supply device 15-2 contacts the lid 31. There is no.

  As described above, by changing the shape of only the attachment means 24, the power supply devices 15 of different sizes can be accommodated in the storage box 10 without changing the dimensions of the storage box 20 at all.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

1 Conveyor device 2a, 2b Conveyor frame 3 Roller 3
4a, 4b End roller End roller 5 Driving belt 5
DESCRIPTION OF SYMBOLS 10 Drive means 11 Pulley 12 Motor 13 Tension roller 14 Guide roller 15 Power supply device (15-1, 15-2)
16 Pressure gauge 17 Tension adjusting groove 20 Storage box 21 Rear plate 22 Side plate 23 Side plate 24 Mounting means (24-1, 24-2)
25 Back plate (25-1, 25-2)
26 Extension part (26-1, 26-2)
27 Protection plate (27-1, 27-2)
28 hole 29 hole 30 opening 31 lid

Claims (4)

  A pair of left and right conveyor frames facing in the front-rear direction, a conveyed product conveying means disposed between the conveyor frames, a driving means for driving the conveyed object conveying means, and a power supply device capable of controlling the speed of the driving means And a storage box for storing the driving means and the power supply device, wherein the storage box is suspended from the lower surface of the conveyor frame, the storage box having an opening, and the power supply A conveyor apparatus, wherein an attaching means to which the apparatus is attached is attached to the opening.   The drive means includes a tension roller, a guide roller, and a pulley, and the tension roller and the guide roller are arranged at substantially the same height position with a predetermined interval, and the pulley is the tension roller. The conveyor device according to claim 1, wherein the power supply device is disposed on a lower side of the guide roller.   The attachment means protects the power supply device, a rear plate that protrudes from the rear plate of the storage box and fixes the back side of the power supply device, an extension portion that is fixed to an opening edge of the opening portion, and the power supply device. The conveyor device according to claim 1, wherein the conveyor device comprises a protective plate.   4. The power supply device according to claim 1, wherein the mounting means can store the power supply device in a storage box so that the positions of the front operation portions thereof are substantially the same even if the dimensions of the power supply device are different. The conveyor apparatus as described in.

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