JPH04138021U - Belt conveyor tension adjustment device - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a tension adjustment device that can increase the tension adjustment stroke of a belt of a belt conveyor. [Structure] A running belt conveyor has a drive pulley disposed on the lower surface between a head pulley and a tail pulley that are arranged apart in the lateral direction, and a drive pulley is arranged on the outer periphery of each of the head pulley, tail pulley, and drive pulley. It is constructed by winding an endless belt, and a snap pulley for tension adjustment is attached to the side of the drive pulley so as to be able to move up and down, and the tension of the belt is adjusted by adjusting the position of the snap pulley up and down. characterized by having done

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a belt conveyor tension adjustment device. For more information, see Driving Direction It is installed at the connection point of two or more conveyors with different Regarding tension adjustment devices used in belt conveyors for receiving and receiving delivered goods. Ru.

0002

[Conventional technology]

At the corrugated cardboard factory, corrugators that produce corrugated sheets and corrugated sheets Cardboard sheets must be transported between multiple box-making machines that perform printed box-making processing. However, the inventor has already developed an automatic conveyance device for corrugated sheets etc. with high conveyance efficiency. (Patent Application No. 3-75954). This conveyance device can handle cardboard sheets, etc. It is necessary to change the feeding direction at right angles at key points and transport it to the destination. For example, it is configured as shown in FIG.

0003 In the same figure, L is installed between one corrugator Cg and 16 box making machines F1...F16. This is a conveyor device that has been Corrugator Cg can be made into any shape by pasting cardboard base paper together. This is a device that cuts and manufactures corrugated sheets, and the manufactured corrugated sheets S are One lot is sent out from Takka St. Transfer device L feeds from stacker St. A receiving unit Re for receiving the cardboard sheet S that is delivered, a cardboard sheet Two-way conveyor unit U3 for changing the direction of the sheet S at right angles, the corrugated sheet S A one-way conveyor unit U1 is attached to convey the stock in one direction, and Consists of two-way conveyor unit U2, which is installed in correspondence with lanes f1...f16. . This bidirectional conveyor unit U2 is sent in the direction a on the line of the conveyor L. A conveyor unit for changing the direction of the corrugated cardboard sheet S at right angles and discharging it in the b direction. It is a cut. In addition, the shape of the transport device L may be L-shaped as shown in Fig. 6. , U-shaped, or any other arbitrary shape.

0004

[Problem that the idea aims to solve]

In the above-mentioned transport device L, the transport direction must be changed at right angles. As a conveyor unit, the inventor of the present invention proposed a patent application dated May 27, 1991 to change the direction of conveyance. We offer replacement belt conveyor equipment.

[0005] As shown in FIG. 3, this belt conveyor device U feeds in the conveyance line direction a. The traveling conveyor unit A and the feed in the b direction perpendicular to the a direction It consists of a conveyor unit B, and the details are as follows. Traveling conveyor unit A consists of short and wide traveling conveyor 1 and traveling conveyor 2. The pitch between the two pulleys (head side and tail side) is the width of the pulley, that is, the base. It is shorter than the width of the root. In addition, when comparing traveling conveyors 1 and 2, the traveling Conveyor 1 is slightly longer. The traveling conveyor 1 is a belt conveyor device U A traveling conveyor 2 is placed in the middle. This arrangement is for transportation They are arranged in series along direction a, and between each traveling conveyor 1 and 2 there is a delivery conveyor, which will be described later. There is a space between the two layers. In addition, each traveling conveyor 1 and 2 is divided into two rows. Each traveling conveyor 1, 2 is connected to a motor M1 via a chain 4 or a shaft 5. The motors are connected to each other so that they can be driven in the direction of arrow a or in the opposite direction. (See FIGS. 4(A) and 5(B)).

[0006] The delivery conveyor unit B is composed of a plurality of long and narrow delivery conveyors 3. and one each is arranged parallel to each other between the traveling conveyors 1 and 2. . The pitch of this delivery conveyor 3 is longer than the width of the traveling conveyor unit A. The width is narrow and strip-shaped. This delivery conveyor 3 is connected to motor M2. are connected via the horn 4 and shaft 6, and are driven in the direction of arrow b or in the opposite direction. (See FIGS. 4(B) and 5(A)). Then, the drive shown by arrow b The moving direction is perpendicular to the driving direction (a) of the traveling conveyors 1 and 2.

[0007] Then, the frame of each delivery conveyor 3 is opened as shown in FIG. 5(A). It is attached so that it can be raised and lowered by base units 10 and 11, and the delivery conveyor In the raised position of 3, the system can be moved without interfering with the adjacent traveling conveyors 1 and 2. The seat S can be moved in the direction of arrow b (see FIG. 4(B)). Also, the payout When the conveyor 3 is lowered, the adjacent traveling conveyors 1 and 2 are being driven. There is no interference with the articles being transported (see FIG. 4(A)).

[0008] Due to the above arrangement, traveling conveyors 1 and 2 and delivery conveyor 3 intersect with each other. Because it is possible to drive without interfering with each other, one The belt conveyor device U allows for direction change, and the conventional belt conveyor system A turntable was required at the contact point of the belt conveyor on the stand, but this was not necessary. This resulted in an excellent effect in that it did not require much effort.

[0009] Now, the above belt conveyor device must satisfy the following conditions. is necessary. (a) Installed on the floor of a corrugated cardboard factory to connect corrugator Cg and box making machines F1 to F16. When transporting, make connections easier and stack corrugated sheets S, etc. high. Keep the height of belt conveyor equipment as low as possible to increase safety when thing (b) Traveling conveyor unit A to arrange an appropriate number of delivery conveyor units B. Therefore, it is necessary to use a roll with a fairly short span between the rolls, and Allowing for short structures. (c) If the above two conditions are satisfied, the height and width of the conveyor unit will be considerably restricted. However, under such conditions, the belt tension adjustment stroke can be made larger. thing.

0010 In view of the above-mentioned circumstances, this invention aims to improve the tension of a belt conveyor that satisfies all of the above conditions. The purpose is to provide an adjustment device.

[0011]

[Means to solve the problem]

The belt conveyor tension adjustment device of this invention is a belt conveyor tension adjustment device that uses multiple short and wide running belt conveyors. The conveyors are arranged in series at intervals in the feeding direction, and multiple long and narrow delivery belts are used. A conveyor is arranged between each of the running belt conveyors in the feeding direction of the running belt conveyor. Belt conveyor devices for changing the conveyance direction are arranged in parallel so that they intersect with each other. In this case, the running belt conveyor is connected to head-side pulleys arranged laterally apart from each other. A drive pulley is arranged on the lower surface between the head side pulley and the tail side pulley. An endless belt is wrapped around the outer circumference of the pulley, tail side pulley, and drive pulley. Next to the drive pulley, there is a snap pulley for adjusting the tension that can be moved up and down. The tension of the belt can be adjusted by adjusting the position of the snap pulley up and down. It is characterized by having a knot.

0012

【Example】

Next, embodiments of the present invention will be described.

[0013] FIG. 1 shows the traveling belt conveyor 1 shown in FIG. 3, and (A) is a plan view of the main part; (B) is a pulley layout diagram, and (C) is a side view. Head side pulley 15 and tail side pulley 16 is placed laterally apart, and the drive pulley 17 is located below between them. It is located. Also, snap pulleys 18 and 19 are arranged on both sides of drive pulley 17. It is. Reference numeral 20 denotes an endless belt, which includes the head-side pulley 15 and the tail-side pulley. Hang the belt so that its inner circumference touches the outer circumference of each pulley of pulley 16 and drive pulley 17. The outer periphery of the belt is in contact with snap pulleys 18 and 19.

[0014] Both ends of each pulley are supported by a pair of mounting plates 21, and the mounting plate 21 is supported by a pair of mounting plates 21. It is equipped with a bracket 22 and is detachably attached to the square pipe 7, which is a frame, by passing a bolt 23 through it. It is attached. Furthermore, the mounting plate 21 is provided with a position adjustment mechanism 25 for the snap pulleys 18 and 19. is structured as follows. The mounting plate 21 has the shafts 18a of the snap pulleys 18 and 19, A slit 26 is formed in which 19a can move up and down, and guides are provided on both sides of the slit 26. 27 is fixed. In addition, the bolt 28 is rotatably held at the top of the slit 26. A bracket 29 is attached to are doing.

[0015] When the bolt 28 of the position adjustment mechanism 25 is rotated, the shafts 18 of the snap pulleys 18 and 19 are rotated. a and 19a move up and down along the guide 27 as shown by arrow c to adjust the tension of the belt 20. can do.

[0016] FIG. 2 shows the traveling conveyor 2 shown in FIG. This running conveyor 2 Since the span is shorter than the traveling conveyor 1 above, there is only one snap pulley (19). It just uses . The rest of the configuration is the same as the traveling conveyor 1 in FIG. Therefore, in this traveling conveyor 2 as well, by rotating the bolt 28, The tension of the bolt 20 can be adjusted.

[0017] The snap pulleys 18 and 19 in the traveling conveyors 1 and 2 of the above two embodiments are in the vertical direction. , and there are no structures on the underside that would get in the way. Therefore, a large adjustment stroke can be taken. Since snap pulleys 18 and 19 are placed next to drive pulley 17, Can lower the height of the conveyor unit and also drives snap pulleys By placing it close to both sides of pulley 17, the roll spa of the conveyor unit can be made smaller. Especially for configurations that use only one snap pulley. The roll span of the conveyor unit can be reduced to a minimum.

[0018]

[Effect of the idea]

According to the present invention, it is possible to reduce the width and height of the belt conveyor, and , the belt tension adjustment stroke can be increased.

[Brief explanation of drawings]

FIG. 1 is a plan view (A) of a main part of a traveling conveyor 1 according to an embodiment of the present invention, a pulley arrangement diagram (B), and a side view (C).

[Fig. 2] Traveling conveyor 2 according to another embodiment of the present invention
The main parts are a plan view (A), a pulley arrangement diagram (B), and a side view (C).

FIG. 3 is a plan view of a belt conveyor device U to which the present invention is applied.

4(A) is a sectional view taken along line II-II in FIG. 3, and FIG. 4(B) is a side view in FIG. 3.

[Figure 5] (A) is a cross-sectional view taken along line III-III in Figure 3, (B) is Figure 3
FIG.

FIG. 6 is a block diagram of the automatic transport device L.

[Explanation of symbols]

1 Traveling conveyor 2 Traveling conveyor 3 Payout conveyor 15 Head side pulley 16 Tail side pulley 17 Drive pulley 18 Snap pulley 19 Snap pulley 20 belt 25 Position adjustment mechanism 26 slits 27 Guide 28 volt

Claims (1)

[Scope of utility model registration request] 1. A plurality of short and wide running belt conveyors are arranged in series at intervals in the feeding direction, and a plurality of long and narrow delivery belt conveyors are arranged between each of the running belt conveyors. In a conveyor belt conveyor device for changing the conveyance direction, which are arranged in parallel so as to be orthogonal to the feed direction, the running belt conveyor is driven to the lower surface between a head-side pulley and a tail-side pulley that are arranged apart from each other in the lateral direction. A pulley is arranged, and an endless belt is wound around the outer periphery of each of the head-side pulley, tail-side pulley, and drive pulley, and a snap pulley for tension adjustment is installed next to the drive pulley so as to be vertically displaceable. A tension adjustment device for a belt conveyor, characterized in that the tension of the belt is adjusted by adjusting the position of the snap pulley up and down.