JPS5811410A - True-up conveyor - Google Patents

Abstract

PURPOSE:To smooth the movement of a conveyed article and heighten the efficiency of the conveyance, by obliquely providing a pair of conical shafts so that a uniform gap is defined between them and by rotating the shafts in opposite directions to move the conveyed article supplied from a large-diameter section, while truing up the article. CONSTITUTION:For example, in a screw inspector 10, screws (a) are supplied to a sorting section 11 by a conveyor 16. Screws with heads of too small diameter are removed at a large-diameter section 13. Screws with heads of too large diameter are removed at a small-diameter section 15. Only screws with heads of proper diameter drop from a medium-diameter section 14 and are conducted to a conical-shaft conveyance section 18, in which, because of the slopes and opposite rotation of conical shafts 19, the screws are sequentially moved to a straight movement feeder 22 while the screws are trued up so that their heads are placed at upside. At that time, screws not trued up are blown away by an air nozzle 20 and returned to the sorting section 11 by a conveyor 21. In the straight movement feeder 22, the screws are moved through a prescribed inspection stage and divided into a good and a bad groups by a separator 24.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an alignment and conveyance device that conveys objects in a predetermined direction while arranging them in order.

When inspecting screws, etc., as shown in FIG. An inspection apparatus is used which includes an inspection stage (path shown) provided therein.

The roller sorting section 1 is equipped with a pair of parallel shafts 51 that are driven to rotate in opposite directions, and the parallel shafts 5 have a large diameter section 6, a medium diameter section 1, a small diameter section 8, and a small diameter section 8. is provided at an angle so that it is located at the lower level. Then, while the test material a such as a screw passes through the large diameter part 6'f1, those with too small a head diameter fall, and those with an excessively large head diameter ti fall in the small diameter part 8, so that only those with an appropriate size are detected. Sorting is performed by falling from the medium diameter portion 7 to the parts feeder 2. In the parts feeder 2, the selected material a
It is configured to supply the materials to the turntable 4 via the linear feeder 3 while arranging them in order with the 'tli portion facing upward.

In the apparatus configured as described above, the test material 1t-
It is easy to cause cracks in the parts feeder 2 to be aligned, and the transfer from the parts feeder 2 to the straight feeder 3 and the transfer from the straight feeder S to the turntable 4 are all smooth, resulting in cracks in the center, etc. tends to occur. Moreover, it requires a large amount of space and has the disadvantages of high equipment costs.

The present invention has been made in order to improve the above-mentioned problems, and its purpose is to enable smooth movement of objects to be transported, improve transport efficiency, and reduce the amount of space required. It is an object of the present invention to provide an aligning and conveying device that is convenient and can save equipment costs, and is particularly suitable for a screw thread inspection device.

Hereinafter, a fully illustrated embodiment of the present invention will be described. Second
In the figure, a screw inspection device 1o is equipped with a roller sorting section 11. This 4-2 sorting section 11 may be similar to that in the conventional apparatus, and is equipped with a pair of parallel rolls 12. The parallel rolls 12 have a large diameter part 13, a medium diameter part J4, and a small diameter part 15t in this order, and are inclined so that the small diameter part 15 is located at the lower side, and are arranged so that the mutually facing surfaces move upward. It is designed to be rotated in the opposite direction. The first part for feeding the large diameter part 13 conveyed object a
A packet conveyor J6 is provided. Medium diameter part 14
A guide member 12 is provided below the guide member 12 for guiding the conveyed object a falling therefrom to a conical shaft conveying section 18, which will be described later. Appropriate means (as shown) are provided below each of the large-diameter portion 13 and the small-diameter portion 15 for accommodating fallen defective products.

The conveyance section 18 includes a pair of conical shafts 19f having a predetermined apex angle (for example, 6 degrees). This conical shaft 19 is installed so that the upper surface on the small diameter side is located lower than the upper surface on the large diameter side (the inclination angle of the central axis is 15 degrees in the case of nine). ), the mutually opposing surfaces are rotated in opposite directions at a predetermined speed (for example, 250 rpm) so as to move upward. A nozzle 2o is opened near the small-diameter end of the conical shaft 1g, and a second packet conveyor 21 is provided between the small-diameter end and the large-diameter portion 13 of the parallel roll 12. , the packet conveyor 21 is overlaid with the conveyed object islands aligned on the conical shaft 19, and the unaligned objects are transported by air blown from the nozzle 20 to the packet conveyor 21.
The conveyor 21 is configured to blow it away and return it to the large diameter section 13 by means of the conveyor 21.

A linear feeder 22 is provided on the lower side of the conical shaft conveying section 18. This linear feeder 22 is provided with a pair of vertical wall portions 23 that face the conical shaft 19 and #1 in parallel with equal spacing therebetween. The vertical wall portion 23 is inclined so that the upper surface becomes lower toward the lower side 9, and the upper end thereof is overlapped with the tapered small diameter end of the conical shaft 19 so that it rides on it. ing. In addition, the linear feeder 22 includes, for example, the length under the violet of screws, the thread pitch or its presence, the presence or absence of plating, and the desired inspection stage (when shown).
is provided. Each predetermined inspection is performed while the transported object a is moved from the upper side to the lower side along the vertical wall portion 2S.

A distribution portion 24 is provided on the downstream side of the straight feed finish 22. This shaking section 24 transfers the conveyed object a to the non-defective transfer path 2 according to the pass/fail signals from each of the inspection stages.
5 and a defective product transfer path 26.

In the screw inspection device 1o, the packet conveyor 1
While the conveyed objects a supplied to the sorting section 11 by 6 pass through the large diameter section JJt, those with too small a head diameter are eliminated, and those with an oversized head diameter do not fall from the medium diameter section 14.
Only those whose head diameter is within a desired range fall from the medium diameter section 14 and are guided to the conical shaft conveying section 18 via the guide member 17fi. and by the inclination and rotational movement of the conical shaft 19)
They are moved one after another and in this process are arranged with their heads facing up and guided to the linear feeder 22. At this time, the unaligned packets are blown away by air from the nozzle 20 and returned to the roller sorting section 1if by the second packet conveyor 21. In addition, the conveyed object 1 is moved through a desired inspection stage in the straight feed finisher 22, and the transferred objects are sorted by a section 24 into non-defective items and defective items.

According to the above configuration, since the conical shaft conveying section J8f is provided, the guide member 12f is provided between this and the roller sorting section 11.
: It is only necessary to provide an expensive parts feeder 2 as in the conventional device described above. Furthermore, since the linear feeder 22 is provided with a desired inspection stage, there is no need to provide a turntable 4 or the like.

Therefore, the device is simplified, requires less space, and equipment costs can be reduced. Furthermore, as mentioned above, the /4-rough finisher and turntable are not provided, and the tapered tip of the conical shaft 1# is provided so as to overlap the upper surface of the upper side of the linear feeder finisher 22, so that it is aligned in the conveying section 18. The conveyed object can be smoothly moved to the linear feeder 22, that is, without any irregularities such as cracks or cracks, and productivity can be greatly improved. As a result, it has become possible to operate unattended for 24 hours continuously, and the processing capacity has been increased from an average of 600 pieces per minute to about 1000 pieces per minute.

Although the present invention is applied to a screw inspection device in the above, the present invention is not limited to this, and various modifications and applications can be made within the scope of the gist thereof. Yes, it's not even 1.

As described above, the present invention includes a pair of conical shafts having a predetermined apex angle, which are arranged side by side at equal intervals so that the upper surface of the small-diameter side is located 4 times lower than the upper surface of the large-diameter side, and The opposing surfaces are rotated in opposite directions to each other so as to move upward, and the objects to be conveyed are arranged in the order of f to be fed to the large diameter section while moving toward the small diameter section.1
-It is a characteristic. Therefore, it is only necessary to provide a guide member with a simple shape on the large-diameter side that receives the conveyed object, and the tip of the small-diameter side that sends out the object is formed into a tapered shape so that it is closely linked with the receiving section of the next stage. It is possible to carry out the receiving and sending out of conveyed objects extremely smoothly. Since this is possible, productivity can be greatly improved. Also,
Since expensive equipment such as a throat feeder is not required, it is possible to greatly contribute to the reduction of equipment costs and required space, and it is possible to provide an aligning and conveying device particularly suitable for screw inspection devices and the like.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram illustrating a conventional device, and FIG. 2 is a perspective view schematically illustrating an embodiment of the present invention. 10...Screw inspection device, 11...Roller sorting section, 1
8... Conical shaft conveyance section, 19... Conical shaft, 22...
Straight feeder, a... object to be conveyed. Attorney, Patent Attorney, Acupuncture Takehiko E6

Claims (1)

[Claims] A pair of conical shafts having a predetermined apex angle are inclined and placed side by side at equal intervals so that the upper surface on the small diameter side is located below the upper surface on the large diameter side, and the mutually opposing surfaces are arranged upwardly. 1. An alignment and conveyance device characterized in that the conveyance devices are rotated in opposite directions to each other so as to move the conveyed objects supplied to the large diameter portion side in order while aligning them in the direction of the small diameter portion side.