JPH04105018U - Conveyance direction conversion device - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] To transport rod-shaped objects one by one in an orderly and reliable manner,
Prevents scratches and damage caused by contact between rod-like bodies during conveyance when changing the conveyance direction. [Structure] A rod-like object is placed in a trough formed by an attachment, and conveyed by a curved conveyance chain 13 while sequentially changing the longitudinal direction of the rod-like object. During this conveyance, the rod-like bodies are axially biased by the transverse feed rollers 6 and brought into contact with the alignment plate 7, thereby positioning and aligning the rod-like bodies in the axial direction and conveying them to the next process.

Description

[Detailed explanation of the idea]

[Purpose of invention]

0001

[Industrial application field]

This invention is a method for transporting rod-shaped objects such as glass tubes one by one in an orderly manner. The present invention relates to a conveyance direction changing device that changes the direction.

0002

[Conventional technology]

In the manufacturing process of glass tubes such as straight tube bulbs for fluorescent lamps, the danner method is used. After being drawn in the tube drawing process using the formula, the glass tube is roughly cut to a predetermined length. The conveyance direction is changed to the direction perpendicular to the direction of the Generally, they are transported to various processes such as bundling, packaging, and container filling. There is.

0003 Traditionally, in the glass tube manufacturing process, glass tubes arranged in parallel are sequentially moved. Conveyor belts are used to transport glass tubes, but glass tubes are particularly sensitive to mechanical contact Otherwise, the distance between the glass tubes is not maintained because they are susceptible to cracks and distortion. , care is taken to avoid contact with each other.

0004

[Problem that the idea aims to solve]

However, it is difficult to transport glass tubes that have been transported in a straight line on a belt conveyor. If you try to change the direction at right angles with the direction change device, the glass tube will rotate half the way in the length direction. Due to their different diameters, the glass tubes may come into contact with each other, especially near the center of rotation. The problem was that it was unavoidable.

[0005] This invention was made in view of the above circumstances, and it is possible to separate rod-shaped objects such as glass tubes one by one. By transporting the rods in an orderly and reliable manner, scratches and damage caused by contact between sticks can be avoided. It is an object of the present invention to provide a transport direction changing device that prevents the above problems.

[0006] [Structure of the idea]

[0007]

[Means to solve the problem]

In order to achieve the above-mentioned purpose, the present invention has been developed without sequentially changing the longitudinal direction of the rod-shaped body. In the conveyance direction changing device that conveys the rod-shaped body, a trough is formed on which the rod-shaped body is placed. at least two rows of curved conveyance chains having attachments; Traversal feed that presses the rod-like object in the axial direction by contacting the rod-like object as it is conveyed on the chain. and a horizontal feed roller installed almost parallel to the curved conveyance chain. Accordingly, the present invention is characterized by comprising an alignment plate that comes into contact with the end of the rod-shaped body that is biased. It is something to do.

[0008] In addition, this invention has a triangular attachment that can be attached to a curved conveyance chain. It consists of triangular plate-like bodies, and a rod-like body is placed in the valley formed by the adjacent triangular plate-like bodies. It is characterized by being placed and transported.

[0009]

[Effect]

Since the present invention is constructed as described above, the rod-shaped body is formed by the valley formed by the attachment. The conveyance direction is changed one by one by a curved conveyance chain. At the same time, the axial position is determined by the cross-feeding roller, and the product is transported to the next process. be done.

0010 In addition, in this invention, the attachment is formed of a triangular plate-like body as described above. , the rod-shaped body is placed in the valley formed by the adjacent triangular plate-shaped bodies. It is reliably transported to the next process.

[0011]

【Example】

Embodiments of the present invention will be described below with reference to the drawings.

0012 FIG. 1 is a diagram schematically showing a conveyance direction changing device according to an embodiment of the present invention. In addition, on the carry-in end side of the conveyance direction changing device 1, there is a rod-shaped body supplied from the previous process, e.g. Glass tubes 2, 2,... (hereinafter collectively referred to as glass tubes 2) are transferred to the conveyance direction changing device 1. A pair of transfer devices 3, 3 for transferring and carrying in are installed perpendicularly to the transfer direction conversion device 1. ing.

[0013] The glass tube 2 transferred and carried from the transfer device 3, 3 to the conveyance direction changing device 1 is Installed in holes (not shown) formed in three parallel rows in an arc shape on the base 4 of the direction changing device 1. Curved conveyor sections 5a, 5b, 5c consisting of chain conveyors It is transported from the incoming end to the outgoing end while changing the direction sequentially, and the material is transported to the outgoing end. In this case, the conveyance direction is changed by 90°. The curved conveyance sections 5a, 5b, and 5c are installed concentrically. At the same time, the transport distance ratio and speed ratio are adjusted so that glass tube 2 is transported synchronously. The ratio is set to 2:3:4, respectively. In addition, on the carry-in end side of the conveyance direction conversion device 1, Orthogonal to the conveyance direction of the curved conveyance sections 5a, 5b, 5c (hereinafter collectively referred to as the curved conveyance section 5). Rotating lateral feed rollers 6,6 are arranged on the outer circumferential side of the curved conveyance section 5. The feed rollers 6,6 axially urge the glass tube 2 conveyed by the curved conveyance section 5, and The space pipe 2 is brought into contact with the stopper 7 provided on the outer circumferential side of the curved conveyance section 5c. This allows the glass tube 2 to be positioned in the axial direction. In addition, the location of stopper 7 The position is variable, and therefore the axial positioning of glass tube 2 can also be adjusted. It has become.

[0014] Furthermore, as shown in Fig. 2, the transfer device 3 includes a robot that runs between a pair of pulleys 8, 8. It is constructed by protruding a plurality of trays 10 on an end ring-shaped chain belt 9, and extends in the direction of arrow B. It is driven in synchronization with the conveyance speed of the curved conveyance section 5 by a drive source (not shown). received Glass tubes 2 are supplied one by one to the tray 10 from the previous process via the chute 11. It will be done. The transfer device 3 transfers the supplied glass tube 2 to a tray 10 having a T-shaped cross section. The glass tube 2 is placed and transported by a transfer device 3 and a curved transport section 5 on the opposite side of the supply point of the glass tube 2. The glass tube 2 is carried into the curved conveyance section 5 at the position where the two intersect.

[0015] The curved conveyance section 5 also includes an endless chain belt running between the pulleys 12, 12. Attachments 14, 14,... (hereinafter referred to as Below, collectively referred to as attachment 14), adjacent triangles form one valley. The glass tubes 2 are installed at equal intervals so that the glass tubes 2 are placed in the valley above. and transport it in the direction of arrow C. The curved conveyance section 5 and the transfer device 3 are driven by the same drive (not shown). The glass tube 2 that is driven by the source and placed on the tray 10 of the transfer device 3 is When conveying to the curved conveyance section 5, the groove formed by the adjacent attachments 14 is The curved conveyance unit 5 and the transfer device 3 are driven at synchronized conveyance speeds for loading. Na Oh, the triangular shape of attachment 14 makes the slope in the direction of travel steeper. Therefore, when the glass tube 2 is transferred onto the attachment 14, the glass tube 2 may roll. This prevents the vehicle from climbing over the mountain.

[0016] Next, FIG. Refer to and explain.

[0017] First, the glass tube 2 is supplied from the previous process to the transfer device 3 via the chute 11, and then You can scoop one stick at a time into 10 serving plates. The scooped glass tube 2 is placed in the saucer 10. The glass tube 2 is placed and transported upward, and as it passes the top of the transfer device 3, the glass tube 2 is placed. It moves onto the tray 10 in front of the tray 10 it is placed on and descends. descending glass tube 2 is a position where the transfer device 3 and the curved conveyance section 5 intersect, and the adjacent curved conveyance section 5 It is transferred and carried into the valley formed by the attachment 14.

[0018] The curved conveyance section 5 has a conveyance speed ratio and a conveyance distance ratio of 2:3:4 from the inner circumferential side, respectively. Furthermore, on each chain belt 13 there is an attachment member of the same shape. Attachments 14 are attached at equal intervals, and the area formed by these adjacent attachments 14 is so that the valleys are aligned at the loading end of the curved conveyance section 5 where the transfer device 3 and the curved conveyance section 5 intersect. being driven. In other words, the attachment 14 of the curved conveyance section 5a performs curved conveyance every two sheets. The attachment 14 of the feeding section 5b is for every 3 sheets, and the attachment 14 of the curved conveying section 5c is for every 3 sheets. The valleys of every four sheets are aligned at the carry-in end, and each time the valleys are aligned, glass tube 2 is transferred and loaded. It is synchronously controlled so that it is transferred from the station 3 to the curved conveyance section 5.

[0019] The material is transferred to the valley formed by the adjacent attachments 14 in the curved conveyance section 5. The glass tube 2 that has been removed is placed horizontally at the input end in order to facilitate the work from the next process onwards. It is urged in the axial direction by the feed rollers 6, 6 and moves to the outer periphery of the curved conveyance section 5c, and is stopped. Hit the par 7. By coming into contact with this stopper 7, the axial direction of the glass tube 2 is directional positioning is performed. In this way, glass tube 2 is aligned in the axial direction. It is transported to the unloading end side of the curved transport section 5 while sequentially changing the direction in the length direction, and The direction is changed by 90 degrees at the unloading end side, and the unloading process is carried out to the next process.

[0020] In addition, in the above embodiment, the attachments 14 were formed in the same shape, but For example, as shown in Figure 4, the glass tube 2 is transferred. The attachment 20 may have a valley formed at the position. In other words, the inner curve The attachment 20 attached to the conveyance unit 5 is designed to correspond to the conveyance speed ratio and conveyance distance ratio. Then, one block consists of 2 pieces, 3 pieces, and 4 pieces from the inner circumference, and the adjacent A valley in which the glass tube 2 is transferred is formed between the matching blocks. block like this By forming valleys in units, attachments 14 of the same shape shown in Figure 3 can be attached. There is a risk of glass tube 2 being placed in the wrong trough outside of the specified interval and being caught during transport. This eliminates the problem that the directions of the lath tubes 2 are not aligned.

[0021] Furthermore, in the above embodiment, the stopper 7 was installed on the outer peripheral side of the curved conveyance section 5c. It may be installed on the inner peripheral side of the curved conveyance section 5a. However, stopper 7 should be If there is a risk that glass tube 2 will come into contact with the glass tube 2 when installed on the inner circumferential side of the It is preferable to install it on the outer circumferential side of the curved conveying section 5c where there is a low possibility of contact with the glass tube. 2. Problems during transportation are less likely to occur.

[0022] In addition, in the above embodiment, three chain belts are applied to the curved conveyance section 5. However, the explanation is not limited to three Chebelts, but two glass tubes. Two or four or more chains may be used depending on the length, and depending on the speed ratio and transport of the chain belt, The feed distance ratio may also be set depending on the number of pieces.

[0023] In addition, in the above example, the conversion angle of the conveyance direction of the glass tube 2 was set to 90°. However, it is not limited to this, and it is an angle that is required according to the actual situation of the manufacturing line. All you have to do is change the direction.

[0024] Furthermore, the present invention is not limited to the above embodiments and does not depart from the gist of the present invention. Of course, various modifications can be made within the range.

[0025]

[Effect of the idea]

As detailed above, according to the conveyance direction changing device of the present invention, the rod-shaped body can be attached to By placing it in the valley formed in the material and changing the conveyance direction, it is possible to This has the effect that there is no contact between the bodies and the rod-shaped bodies do not get scratched or cracked due to contact. In addition, it is possible to reliably and orderly change the conveyance direction of the rod-shaped objects one by one at equal intervals. I can do it.

[0026] In addition, by positioning the rod in the axial direction with a transverse feed roller, the rod can be Since the bar is supplied to the next process in an axially aligned state, the rod-shaped body is aligned in the next process. It is possible to immediately process rod-shaped objects without having to do any additional work, reducing work time. can be done.

[Brief explanation of drawings]

FIG. 1 is a diagram schematically showing a conveyance direction changing device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state in which a rod-shaped body is transferred from a transfer device to a conveyance direction changing device.

FIG. 3 is a diagram showing a state in which the direction of the rod-shaped body is changed by an attachment.

FIG. 4 is a diagram showing another embodiment of the attachment of the conveyance direction changing device.

[Explanation of symbols]

1...Conveyance direction conversion device 2...Glass tube (rod-shaped body) 6...Transverse feed roller 7...Stopper (alignment plate) 13...Chain belt (chain for curved conveyance) 14...Attachment 20…Attachment

Claims (2)

[Scope of utility model registration request] 1. A conveying direction changing device for a rod-shaped body that conveys the rod-shaped body while sequentially changing its longitudinal direction, the apparatus comprising at least two rows for curved conveyance having an attachment that forms a trough on which the rod-shaped body is placed. a chain, a cross-feeding roller that comes into contact with the rod-like body being conveyed on the curved conveyance chain and urges the rod-like body in the axial direction, and a cross-feeding roller that is provided approximately parallel to the curved conveyance chain. A conveyance direction changing device comprising: an alignment plate that abuts an end of the biased rod-shaped body. 2. The attachment attached to the curved conveyance chain is composed of triangular plate bodies, and the rod-shaped body is placed and conveyed in the valley formed by the adjacent triangular plate bodies. Item 1. The conveying direction changing device according to item 1.