JPS59108602A - Conveyor belt and its manufacturing method - Google Patents

Abstract

PURPOSE:To prevent damages due to a material of intense heat and lengthen the life of a belt by adhering through vulcanization many small pieces on the surface of a base made of unvulcanized rubber. CONSTITUTION:After providing a belt main body 1 through alternately piling a core body 11 and cushion rubber 12, the whole surface of these is covered by means of a heat and abrasion resisting covering rubber 13. As for a block body 9, which covers the whole surface of a conveyance face side of the covering rubber 13 through an interposed body 10, a large number of them are longitudinally juxtaposed on the conveyance side of the covering rubber 13, while from single to plural number of them are laterally juxtaposed. Said body 9 is composed of a base 14, made of unvulcanized rubber, and many small pieces 15. Thus, since no such damage as a dent of burn and the like is sustained, the life of the belt can be lengthened.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a conveyor belt for conveying high-temperature substances, etc., and a method for manufacturing the same, and a primary purpose of the present invention is to improve the heat resistance and abrasion resistance of the conveyor belt, thereby extending the life of the belt. A second object of the present invention is to enable the belt as described above to be manufactured easily and at low cost.

As a conveyor belt, there is a so-called rubber belt which is made up of six bodies made of canvas or the like and cushion rubber arranged alternately and covered with cover rubber. By the way, among these types of conveyor belts, cement clinker
2. For conveying high-temperature substances such as sintered ore, 4 the belt is cooled by spraying water while conveying the high-temperature substance to prevent damage to the belt due to the high heat of the high-temperature substance. However, the above-mentioned measures are not sufficient, and in the past, in cases where the temperature of the high-heat substance is 300 to 500 degrees Celsius, or where the high-heat substance is a red-hot lump, it is difficult to treat the situation continuously even temporarily. Under harsh conditions, such as when the belt is placed on a belt, the high heat of the high-temperature substance may cause damage such as burning dents on the conveying surface of the rubber cover, which shortens the life of the belt. There's a problem.

The present invention solves the above problems, and its first feature is that at least the central part in the width direction on the conveying surface side of the cuckoo rubber covering the six bodies is made of heat-resistant and abrasion-resistant material. The second feature is that it is covered with a large number of small pieces adhered to the cover rubber.
By covering the surface of the base made of unvulcanized rubber with a plurality of small pieces made of a heat-resistant and wear-resistant material and vulcanized and bonded to the base, a block body consisting of the base and the plurality of pieces is formed. After that, by vulcanizing and adhering the back surfaces of the bases of the plurality of block bodies and the conveying surface side of the cover rubber covering the six blocks through an intervening body made of unvulcanized rubber, a large number of small pieces are used. The point is to cover at least the central portion in the width direction on the conveying surface side of the cover rubber.

Below, one embodiment of the present invention will be described based on the drawings.
The figure shows a belt conveyor device, and the conveyor belt fi+
is wound between the driving pulley (2) and the driven pulley (3), and is provided with a large number of small guide boos IJ-141 that guide the back side of the belt (1). Also, in the middle of the return side of the fi+ in the length direction,
A pair of large upper guide pulleys (5) after bending that guide the conveying side of the belt (1), and a large lower guide that guides the back side of the C belt (1) located below between these two pulleys (5). A pulley (6) is provided.

As shown in Figure 8g2, the small guide pulley (
41 are arranged in a plurality of trough shapes in the width direction, so that the conveyance side of the bell) is made into a trough shape, and a pair of bent portions (7) are formed in the width direction. As shown in Figs. 6 and 4, the bell) mH, the belt body (8), and the block body +
91 and a 4-ton suspension (10).

Belt body (81rj, 6 rest i11 and cushion rubber (121) are alternately iC7+l (installed), these entire surfaces are
It is covered with heat-resistant and abrasion-resistant cover rubber Q31. As the 6th body (11), canvas, cord coated with rubber, steel cord, etc. are used.

The block body (9) is a cover rubber (131) that is covered with an intervening body [+01] on the entire surface of the conveying surface side or at least on the widthwise center side (approximately 80% of the total width) of the hem. Several to a large number of bodies [91 are arranged in parallel in the length direction on the conveyance side of the cover rubber a3, and one to a plurality of bodies [91 are arranged in parallel in the width direction.
) and a large number of small pieces 051.

Base (I41 is made of unvulcanized rubber and has a thickness of 3
~51. The small piece 051 is I C when viewed from above.
It has a rectangular shape of about fRXICm and has a thickness of 3 t.
A large number of small pieces 06) are vulcanized and bonded to the substrate (141) on the surface of the substrate 041, and the small pieces 06) are vulcanized and bonded to the substrate (141).
covered by. The small piece α5) is made of various ceramics and other heat-resistant and wear-resistant materials. In the illustrated example, at the outer end of the belt fi+, the outer end of the base Q41 is in the shape of a road surface with the small piece o51.

The vulcanization adhesion of the small piece α5) to the substrate θ411C is performed as follows. That is, as shown in FIG. 5G, on both or one of the surface of the base 04) and the back surface of the small piece
Adhesion aid (product name Chemlok220 Ty-Ply
After applying 061 (UP/RC, etc.), place small pieces 051 on the surface of the board 041 in parallel, and attach the small pieces u5Nc to the board 041 surface.
While forming a more covering-like shape, these pieces are heated and pressurized to vulcanize and adhere, and the small piece 1151 is adhered to the base α4) using the properties of rubber.

Intermediate QOI #'j Made of unvulcanized rubber,
The cover rubber 03) has a thin plate shape with a diameter of about 2 to 3 B, and is formed by a single or plural intervening bodies (10) to cover the entire surface of the cover rubber 03) on the conveying surface side or at least the central part in the width direction where the block body (9+) is arranged. The side is covered.Then, τ, the intervening body f1
01 and block body (9) or cover rubber [+3
1, the entire surface of the cover rubber υ3 on the conveying surface side or at least the widthwise central portion thereof is covered by the large number of small pieces 11611c.

The above-mentioned vulcanization welding M of the block body +91 is performed as follows. That is, as shown in FIG.
) on both or one side of the back side of the adhesive agent Q81 as described above.
The back side of the base (141) of the block body tel is placed on the conveying surface side of the cover rubber 031 via the intervening body (lO), and these are heated and pressurized to vulcanize and bond them. Using the properties of rubber, the block body (9) is bonded to the cover rubber α3 by using the intervening system. ) to the intervening body (
10) Cover rubber Q311C may be vulcanized and bonded via the rubber.

By the way, the illustration T″ is the bent part (7) of bell) fil.
A gap aη is formed between the small pieces a and lC adjacent in the width direction, and at the bent part (7), elastic deformation of the belt body (8), the intervening body +101° base (141), and the gap (17
By closing the small piece (161) in 1, the belt +11 is suitably bent, and the small piece u5
1 does not interfere with forming the belt (1) into a trough shape. Note that even if the gap 071 as described above is not provided, the substrate a41. Due to the elastic deformation of the cover comb 031, the belt fi+ can be easily formed into a trough shape, and even in this case, the small piece α51 does not interfere with forming the belt ill into a trough shape. Also, Bell)
In other parts of the ftl, gaps may or may not be provided between the small pieces αω that are adjacent to each other in the belt width direction and between the small pieces 051 that are adjacent to each other in the belt length direction. Furthermore, as mentioned above, if the gap Q71 is set, the rubber and adhesion agent of the base 041 are raised to vcVi, the gap (1η) when the small piece Oω is vulcanized and bonded to the base 0,
The gap aη may be filled with these, and there is no need to use this method.

In addition, the small pieces adjacent to each other in the longitudinal direction of the belt (151, whether a gap is provided or not provided, as shown in Figure 83, the bell), +11 driving pulley (2), driven pulley ( 3), Lower guide large pulley (6
), due to the elastic deformation of the belt main body (8), the intervening body (10), and the base 041, the surface sides of the small pieces Q0 adjacent to each other in the belt length direction, that is, the conveyance surface sides are opened. Becomes in a stale state. Furthermore, as shown in Figure 4, the bell) (
The belt body (8), the intervening body (IO), and the base α41 are wrapped around the upper guide large boob IJ-fil of
Due to the elastic deformation of the belt, the back sides of adjacent small pieces in the length direction of the belt become encircled. In this way, the belt (
1) The winding around the pulley is only partial and does not interfere with the bending of the small piece (16) or the belt (1).

According to the following example configured as described above, the entire surface of the conveying surface side of the cover rubber Q31 of the belt [11, or at least the widthwise central portion thereof on which the transported objects are mainly placed, is made of a heat-resistant and abrasion-resistant material. Since the large number of small pieces (+51) are covered with an edge, when a high-temperature substance such as cement clinker-1 sintered ore is conveyed by belt fi+, the temperature of the high-temperature substance is 3.
(1) When the temperature is between 00 and 500 degrees, or when the high-temperature substance is a red-hot mass, these may temporarily or continuously cause a bell) (1)
Even under severe conditions such as when the belt is placed on top of the belt, the high heat of the high-temperature substance will not cause damage such as dents in the belt (1), allowing the belt (1) to have a longer lifespan than before. In addition,
During conveyance by belt (1), belt fi+ may be cooled if necessary;
This makes it possible to transport high-temperature substances with a temperature of about 500 to 600 degrees.

In addition, many small pieces aω are formed on the surface of the base α made of unvulcanized rubber.
After constructing the block body (9) by vulcanizing and adhering the
A large number of small pieces t15 can be formed by vulcanizing and adhering these pieces in parallel on the conveying surface side of the cover rubber Q31 via O).
) to cover the entire surface of the conveying surface of the cover rubber Q31 or at least the central part in the width direction, so even when manufacturing various belts (1) with different widths and lengths, a single type of belt This can be handled by simply manufacturing the block body +91, etc., and the adhesive strength of the small piece U+ to the cover rubber 131 side can be increased. Furthermore, even when a ready-made belt is provided with the small piece Q51, the small piece 051 can be easily provided.

As detailed above, according to the first aspect of the present invention, when the belt conveys the high-temperature substance, damage such as burning dents is not caused to the belt due to the high heat of the high-temperature substance, and the belt can have a long service life. The belt can be used in the same way as before. or,
According to the second invention, when manufacturing a belt with small pieces, even when manufacturing various belts with different widths and lengths, the belt can be easily manufactured at low cost, and the adhesive strength of the small pieces can be increased. Moreover, even when a ready-made belt is provided with small pieces, it can be easily performed. The present invention has the above advantages and is a real advantage.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention, and FIG. 1 is a simplified side view of a belt conveyor device, and FIG. 2 is a sectional view taken along the line A-A in FIG. 1. Fig. 3 and Fig. 4 are longitudinal sectional views showing how the belt is wound around different pulleys, and Fig. 5 and Fig. 6 are explanatory drawings to clarify the belt manufacturing method. It is. fil...conveyor bell), +81...bell) body, +9+...block body, (+0+...intervening body,
fil+...6 bodies, +121...cushion rubber,
α31...cover rubber, (141...base, a6)
...Small piece, α61...Adhesion aid. Patent applicant Kawatetsu Kagaku Co., Ltd. Procedural amendment issued) March 3, 1980 To the Commissioner of the Japan Patent Office, Indication of the case 1982 Patent I! 1 No. 218033 2 Name of the invention Conveyor belt and its manufacturing method 3 Relationship with the case of the person making the amendment Patent applicant Tetsu Kagaku Co., Ltd. [and 1 other person] 4. Agent address Mikuriya, Higashiosaka City, Osaka Prefecture Address 1013 Telephone Osaka +0617821 [gi H5, date of notice of reasons for refusal Showa year, month, day (self-motivated) 6, subject of amendment / Ya-1-1 (1) ° Specification @ page 4 @ lines 1 to 2 ``Guide the back side'' on the transport side. i=to guide”, corrected. +21 ``Juice auxiliary song...etc.'' on page 5, line 20 of the same page.
KI corrects the word ``cultivation agent''. (3) From the 3rd line to the 4th line of the 6th member, “These...
・It says "0" [These should be heat vulcanized and bonded. Incidentally, in the above case, in order to enhance the conjugation effect, the conjugate may be used in combination with the conjugation agent OG. In the following, use a bone setting aid every 16 minutes. ” he corrected. (4) In the 18th line of the 6th member and the 3rd to 4th negative lines of the 7th member, the words ``entertainment aids as described above'' are corrected to ``bone fixing agents.'' 15j On page 7, lines 1 to 3, it says, ``These...
・Correct the sentence ``0'' to ``These? Heat vulcanization bonding.'' ]6) "Aru." on page 9, lines 14 to 15.
Add the following sentence after. ``Then, a small piece (li ceramics) was machined and formed into a small piece (
If the surface finish of the belt 15) is well-finished, it will be difficult for the particles 16 to attract dust from the conveyed material, so there will be no need to equip the Peltoco/veyor device with a chip-type belt cleaner, and it will also eliminate the need for a belt loop made of hardware. There is no cutting damage, and since the hardness of the small pieces is high, there is no risk of damage to the belt fl) due to contact between the skirt rubber provided in the belt conveyor device and the conveying surface side of bell) (1). . ”+7+
The phrase "ready-made" should be corrected to "commercially available." , No. 8 Add the following sentence after "Dekiru." in the 9th to 10th negative lines of the same No. 10. [In the above-mentioned embodiment 1, the small pieces are all rectangular, but the small pieces can also be made into disk-shaped, spherical, or other shapes. or,
The numerical values in the examples are just a matter of the width and thickness of the belt. The values may be changed depending on the application and are not limited to the numerical values in the examples. (9) In the 11th member, line 12, the word "adhesive agent" is corrected to "adhesive agent." (lO) The attached drawings are corrected as shown in Figures 2 to 4 and Figure 6 in the appendix.

Claims (1)

[Scope of Claims] At least the central part in the width direction on the transport surface side of the cover rubber covering the bodies 1 and 6 is covered with a large number of small pieces made of a heat-resistant and wear-resistant material and bonded to the cover rubber. A conveyor belt characterized by Shino. 2. A block body consisting of a base and a plurality of small pieces is constructed by covering the surface of a base made of unvulcanized rubber with a plurality of small pieces made of a heat-resistant and wear-resistant material and vulcanized and bonded to the base. After that, by vulcanizing and adhering the back surfaces of the bases of the plurality of block bodies and the conveying surface side of the cover rubber covering the six blocks through an intervening body made of unvulcanized rubber, a large number of small pieces are used. A method for manufacturing a conveyor belt, characterized in that at least the central portion in the width direction of the conveying surface side of the cover rubber is covered.