WO2014024777A1 - Method for joining conveyer belt - Google Patents
Method for joining conveyer belt Download PDFInfo
- Publication number
- WO2014024777A1 WO2014024777A1 PCT/JP2013/070925 JP2013070925W WO2014024777A1 WO 2014024777 A1 WO2014024777 A1 WO 2014024777A1 JP 2013070925 W JP2013070925 W JP 2013070925W WO 2014024777 A1 WO2014024777 A1 WO 2014024777A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- core layer
- belt
- exposed
- peeling member
- joining
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G3/00—Belt fastenings, e.g. for conveyor belts
- F16G3/10—Joining belts by sewing, sticking, vulcanising, or the like; Constructional adaptations of the belt ends for this purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
- B65G15/36—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
Definitions
- the present invention relates to a method for joining conveyor belts having a core layer formed by arranging a plurality of steel cords side by side, and more particularly, shortening and joining time of joining work at the longitudinal ends of the conveyor belt. It is related with the joining method of the conveyor belt which can aim at the quality improvement of a part.
- a conveyor belt having a core layer formed of a steel cord is stretched between a driving roller and a driven roller installed at the front and rear portions of the belt conveyor device. And it is supported by the several guide roller arrange
- Such exchanging and repairing work of the conveyor belt has been performed exclusively at the site where the belt conveyor is used.
- the following (1) to (5) work steps are used to join the longitudinal ends of a conveyor belt having a core formed by arranging a plurality of steel cords side by side.
- (1) Cutting process of the core at the longitudinal end of the belt body (2) Buffing process of the surface finishing portion of the cut core (3) cementing process of the joint (4) End of the belt body in the longitudinal direction Molding process (cover rubber sheet + cushion rubber sheet + filling rubber + cushion rubber sheet + cover rubber sheet molding process) (5)
- the steel cord cutting work takes longer as the cover rubber is thicker. For this reason, adverse effects on the quality of the joint portion of the conveyor belt are increased, such as a reduction in the joining strength due to the entry of dust and moisture into the joint portion during operation.
- An object of the present invention is to provide a conveyor belt having a core layer formed side by side with a plurality of steel cords that can shorten the joining operation time at the longitudinal end of the conveyor belt and improve the quality of the joined portion.
- a bonding method is provided.
- a method for joining conveyor belts is a method for joining conveyor belts having a core layer formed by juxtaposing a plurality of steel cords.
- the core layer at the end is formed so as to be exposed in advance, and the core layer formed so as to be exposed is covered with a peeling member, and the cover rubber is laminated on the peeling member in a belt
- the body is vulcanized and molded, and when the lengthwise ends of the belt body are joined, the peeling member is peeled off to remove the cover rubber laminated on the peeling member, and this peeling
- the core layer covered with the member is exposed, and the steel cord of the exposed core layer is cut every other length in the belt width direction by a predetermined length, and between the cut steel cord,
- the steel cord of the other core layer is inserted, and cushion rubber and cover rubber are laminated on the portion where the steel cord is inserted, and then vulcanized to bond the core layers together.
- the belt main body can be vulcanized and molded with the cover rubber laminated on the peeling member.
- the core body layer at both ends in the length direction of the belt body is formed so as to be exposed in advance, and the core layer formed so as to be exposed is covered with a peeling member, and the peeling member
- the belt body can be vulcanized and molded with a cover rubber laminated thereon.
- the length of the core layer formed so as to be exposed in advance is set to 0.5 m to 3.0 m, for example.
- the core layer at least at one end in the length direction of the belt body is formed so as to be exposed in advance, and the exposed core layer is covered with the peeling member. Since the belt main body is vulcanized and molded with the cover rubber laminated on the peeling member, a necessary conveyor belt (belt main body) is prepared in advance at the belt manufacturing factory or the like, not at the site where the conveyor belt is used. be able to.
- FIG. 1 is a schematic configuration diagram of a belt conveyor device.
- FIG. 2 is a perspective explanatory view illustrating the end portion in the length direction of the belt body processed using the present invention.
- FIG. 3 is an explanatory view illustrating the belt main body before drawing into the belt conveyor device in a cross-sectional view.
- FIG. 4 is an explanatory view illustrating, in a cross-sectional view, a step of exposing the core layer at the end in the length direction of the belt main body after being drawn into the belt conveyor device.
- FIG. 5 is an explanatory view illustrating the end in the length direction of the belt main body with the core layer layer exposed in plan view.
- FIG. 6 is an explanatory view illustrating the process of joining exposed core layers in plan view.
- FIG. 7 is an explanatory view illustrating, in plan view, a joining step when only the core layer at one end in the length direction of the belt main body is exposed in advance.
- the conveyor belt (belt main body 1) is stretched between a driving roller 4A and a driven roller 4B installed at the front and rear portions of the belt conveyor device.
- the belt body 1 is wound around a driving roller 4A and a driven roller 4B, and a plurality of guide rollers 4C disposed between the driving roller 4A and the driven roller 4B.
- the conveyor belt (belt body 1) targeted by the present invention is a conveyor belt having a core layer 1a formed by arranging a plurality of steel cords 1b side by side.
- the core body layer 1 a of at least one end 1 ⁇ / b> A in the length direction of the belt body 1 is formed so as to be exposed in advance.
- the length L of the core layer 1a formed so as to be exposed in advance is preferably set to 0.5 m to 3.0 m. The reason is to ensure the adhesiveness of the endless joint based on the strength of the belt specified in the steel cord conveyor belt of JIS K6369-2007.
- both surfaces of the core layer 1a formed so as to be exposed are covered with the peeling member 5, and a cover rubber 3a, 3b which is an unvulcanized rubber is laminated on the peeling member 5. . Since the steel cord 1b is covered with the cushion rubber 2, both surfaces of the cushion rubber 2 are covered with the peeling member 5 in this embodiment.
- the belt body 1 in this state is vulcanized and molded in advance by a vulcanizer or the like.
- the peeling member 5 one selected from a heat-resistant sheet-like, tape-like or film-like member that does not adhere to the member constituting the belt main body 1 and is not fused during vulcanization is used. Specifically, as the peeling member 5, a vulcanized or unvulcanized rubber sheet, a release sheet made of a fluororesin, a polyethylene sheet, or the like is used.
- the belt body 1 is pulled into the belt conveyor apparatus and set at the site where the conveyor belt is used.
- the peeling member 5 embedded in the belt body 1 is peeled off from the belt body 1.
- the cover rubbers 3a and 3b laminated on the peeling member 5 can be easily removed.
- both surfaces of the core body layer 1a covered with the peeling member 5 are exposed.
- the cushion rubber 2 covering the core layer 1a is appropriately removed.
- every other steel cord 1b of the exposed core layer 1a is cut in a predetermined length (the length of about L described above) in the belt width direction.
- the other core layer 1a to be joined is also exposed in the same manner as the one core layer 1a, and the steel cords 1b are cut every other length in the belt width direction by a predetermined length.
- the steel cord 1b between the cut steel cords 1b of the other core body layer 1a is inserted between the cut steel cords 1b of one core body layer 1a.
- Cushion rubber 2 and cover rubbers 3a and 3b are laminated on the portion where the steel cords 1b are inserted by applying an adhesive Q or the like.
- a portion where the cushion rubber 2 and the cover rubbers 3a and 3b are laminated is sandwiched between vulcanization molds, and heated and pressed at a constant temperature for a certain period of time, thereby vulcanizing and bonding to the core layer 1a (the length of the belt body 1).
- the end portions 1A) are joined together.
- the core layer 1a of the longitudinal end 1A of the belt body 1 is formed in advance so as to be exposed, and the core layer 1a formed so as to be exposed is formed on the core layer 1a. Since the belt main body 1 is vulcanized and molded in a state where it is covered with the peeling member 5 and the cover rubbers 3a and 3b are laminated on the peeling member 5, the conveyor belt (belt main body 1) is previously set in a belt manufacturing factory or the like. Can be prepared. And when joining 1 A of longitudinal direction edge parts of this belt main body 1, the cover rubber 3a, 3b laminated
- the steel cord 1b of the exposed core layer 1a is cut every other predetermined length in the belt width direction, it is carried out at the site where the conveyor belt is used as in the past, where space and processing facilities are limited.
- the troublesome work of cutting out the steel cord 1b can be reduced. Therefore, compared to the conventional method, it is possible to significantly shorten the time for joining the end portion 1A in the longitudinal direction of the conveyor belt. Further, as the joining work time is shortened, the risk of dust and moisture entering the joined part during the work is reduced. Further, since the buffing process and the like can be simplified, it is advantageous to improve the quality of the joint.
- the circumference of the endless belt body 1 can be accurately grasped in advance.
- a take-up mechanism that adjusts the length by moving the driving roller 4A and the driven roller 4B in the longitudinal direction.
- the core body layer 1a at both end portions 1A in the length direction of the belt body 1 is formed in advance so as to be exposed.
- the belt body 1 can be vulcanized and molded in a state where the core layer 1 a is covered with the peeling member 5 and the cover rubbers 3 a and 3 b are laminated on the peeling member 5.
- the core layer 1 a at one end 1 ⁇ / b> A in the length direction of the belt body 1 is formed in advance so as to be exposed. Then, the core layer 1a formed so as to be exposed is covered with the peeling member 5, and the belt body 1 is vulcanized and molded with the cover rubbers 3a and 3b laminated on the peeling member 5. .
- the other core layer 1a to be joined is cut out of the steel cord 1b at the site where the conveyor belt is used as usual.
- the steel cord 1b between the cut steel cords 1b of the other core body layer 1a is inserted between the cut steel cords 1b of one core body layer 1a.
- Cushion rubber 2 and cover rubbers 3a and 3b are laminated on the portion where the steel cords 1b are inserted by applying an adhesive Q or the like.
- the portion where the cushion rubber 2 and the cover rubbers 3a and 3b are laminated is sandwiched between vulcanization molds, and heated and pressurized at a constant temperature for a certain period of time so that the core layer 1a (the belt body 1)
- the lengthwise ends 1A) can also be joined together.
- the steel cord conveyor belt of JIS K6369-2007 is called ST-1000, and the number of steel cords with a conveyor belt (belt body 1) width of 900 mm and a diameter of 4.3 mm is 72, Compared with the conventional method, the example in which the lengthwise ends of the conveyor belt (belt body 1) are joined to each other in the longitudinal direction of the conveyor belt having a thickness of 16.3 mm and a cover rubber thickness of 6 mm is illustrated in FIG. By applying the present invention, it was confirmed that the work time can be reduced to about 2/3 including the preparation time.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
Description
(1)ベルト本体の長さ方向端部の芯体の切り出し工程
(2)切り出した芯体の表面仕上げ部分のバフ工程
(3)接合部のセメンティング工程
(4)ベルト本体の長さ方向端部の成型工程(カバーゴムシート+クッションゴムシート+充填ゴム+クッションゴムシート+カバーゴムシートの成型工程)
(5)成型したベルト本体部の長さ方向端部どうしを積層し、積層した部分を加硫装置により加熱、加圧しながら加硫接着させて接合する工程 Such exchanging and repairing work of the conveyor belt has been performed exclusively at the site where the belt conveyor is used. For example, the following (1) to (5) work steps are used to join the longitudinal ends of a conveyor belt having a core formed by arranging a plurality of steel cords side by side.
(1) Cutting process of the core at the longitudinal end of the belt body (2) Buffing process of the surface finishing portion of the cut core (3) cementing process of the joint (4) End of the belt body in the longitudinal direction Molding process (cover rubber sheet + cushion rubber sheet + filling rubber + cushion rubber sheet + cover rubber sheet molding process)
(5) The process of laminating the longitudinal end portions of the molded belt main body, and joining the laminated portions by vulcanization adhesion while heating and pressurizing with a vulcanizer
1a 芯体層
1b スチールコード
1A ベルト本体の長さ方向端部
2 クッションゴム
3a、3b カバーゴム
4A 駆動ローラ
4B 従動ローラ
4C ガイドローラ
5 剥離部材
Q 接着剤 DESCRIPTION OF
Claims (4)
- 複数本のスチールコードを横並びして形成された芯体層を有するコンベヤベルトの接合方法において、ベルト本体の長さ方向の少なくとも一方端部の芯体層を予め露出するように形成しておき、この露出するように形成した芯体層の上を剥離部材でカバーし、この剥離部材の上にカバーゴムを積層した状態でベルト本体を加硫成型しておき、このベルト本体の長さ方向端部を接合する際に、前記剥離部材を引き剥がすことにより、この剥離部材の上に積層したカバーゴムを除去して、この剥離部材でカバーされていた前記芯体層を露出させ、この露出させた芯体層のスチールコードを幅方向に一本おきに所定長さ切断し、切断したスチールコードの間に、接合相手となる他方の芯体層のスチールコードを入り込ませて、このスチールコードを入り込ませた部分の上にクッションゴムおよびカバーゴムを積層した後、加硫して芯体層どうしを接合することを特徴とするコンベヤベルトの接合方法。 In the method of joining a conveyor belt having a core layer formed side by side with a plurality of steel cords, the core body layer at least one end in the length direction of the belt body is formed so as to be exposed in advance. Cover the core layer formed so as to be exposed with a peeling member, and vulcanize and mold the belt body with the cover rubber laminated on the peeling member. When the parts are joined, the peeling member is peeled off to remove the cover rubber laminated on the peeling member, and the core layer covered with the peeling member is exposed and exposed. Cut the steel cord of the core layer every other length in the width direction and insert the steel cord of the other core layer to be joined between the cut steel cords. After stacking a cushion rubber and cover rubber on the entering allowed portion, the joining method of the conveyor belt, characterized in that bonding the core layer to each other by vulcanizing.
- 前記ベルト本体の長さ方向の一方端部の芯体層のみを予め露出するように形成しておき、この露出するように形成した芯体層の上を剥離部材でカバーし、この剥離部材の上にカバーゴムを積層した状態でベルト本体を加硫成型しておく請求項1に記載のコンベヤベルトの接合方法。 Only the core layer at one end in the length direction of the belt main body is formed so as to be exposed in advance, and the core layer formed so as to be exposed is covered with a peeling member. The method for joining conveyor belts according to claim 1, wherein the belt main body is vulcanized and molded with a cover rubber laminated thereon.
- 前記ベルト本体の長さ方向の両端部の芯体層を予め露出するように形成しておき、この露出するように形成した芯体層の上を剥離部材でカバーし、この剥離部材の上にカバーゴムを積層した状態でベルト本体を加硫成型しておく請求項1に記載のコンベヤベルトの接合方法。 A core layer at both ends in the length direction of the belt body is formed so as to be exposed in advance, and the top of the core layer formed so as to be exposed is covered with a peeling member, and on the peeling member The method for joining conveyor belts according to claim 1, wherein the belt main body is vulcanized and molded with the cover rubber laminated.
- 前記予め露出するように形成する芯体層の長さを0.5m~3.0mに設定する請求項1~3のいずれかに記載のコンベヤベルトの接合方法。 4. The method of joining conveyor belts according to claim 1, wherein a length of the core layer formed so as to be exposed in advance is set to 0.5 m to 3.0 m.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015107801/11A RU2605224C2 (en) | 2012-08-10 | 2013-08-01 | Method of conveyor belt connection |
AU2013300679A AU2013300679B2 (en) | 2012-08-10 | 2013-08-01 | Method for joining conveyer belt |
CN201380041985.6A CN104520213B (en) | 2012-08-10 | 2013-08-01 | The joint method of conveyer belt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-178973 | 2012-08-10 | ||
JP2012178973A JP5966755B2 (en) | 2012-08-10 | 2012-08-10 | Conveyor belt joining method |
Publications (1)
Publication Number | Publication Date |
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WO2014024777A1 true WO2014024777A1 (en) | 2014-02-13 |
Family
ID=50068008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/070925 WO2014024777A1 (en) | 2012-08-10 | 2013-08-01 | Method for joining conveyer belt |
Country Status (4)
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JP (1) | JP5966755B2 (en) |
CN (1) | CN104520213B (en) |
RU (1) | RU2605224C2 (en) |
WO (1) | WO2014024777A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US11040497B2 (en) | 2016-10-11 | 2021-06-22 | Laitram, L.L.C. | Sidewall bonder and method for bonding sidewalls to thermoplastic belts |
KR101875617B1 (en) * | 2017-04-28 | 2018-07-10 | (주)화승엑스윌 | jig for bonding of conveyer belt and bonding method of conveyer belt using the same |
JP6510130B1 (en) * | 2017-11-21 | 2019-05-08 | ニッタ株式会社 | Belt belt, endless belt, and method for manufacturing the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59153912U (en) * | 1983-04-01 | 1984-10-16 | 住友金属工業株式会社 | steel cord belt |
JPH06345231A (en) * | 1993-06-04 | 1994-12-20 | Bando Chem Ind Ltd | Conveyor belt |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU652393A1 (en) * | 1976-09-16 | 1979-03-15 | Институт Геотехнической Механики Ан Украинской Сср | Method of butt-joining of rubber-rope belts |
JPS5530505A (en) * | 1978-08-21 | 1980-03-04 | Bridgestone Corp | Joining method of conveyer belt |
CN1068309A (en) * | 1991-07-05 | 1993-01-27 | 王宏庆 | Conveyer belt |
EP1161633B1 (en) * | 1999-03-10 | 2003-09-03 | The Goodyear Tire & Rubber Company | Preformed strip and method for splicing conveyor belts |
CN201372088Y (en) * | 2009-01-22 | 2009-12-30 | 上海康达化工有限公司 | Steel wire core conveying belt cold vulcanized joint |
CN103072786B (en) * | 2013-01-25 | 2015-09-09 | 兖矿集团有限公司 | A kind of preparation method of straight conveyor belt finger-model connector |
-
2012
- 2012-08-10 JP JP2012178973A patent/JP5966755B2/en active Active
-
2013
- 2013-08-01 RU RU2015107801/11A patent/RU2605224C2/en active
- 2013-08-01 CN CN201380041985.6A patent/CN104520213B/en active Active
- 2013-08-01 WO PCT/JP2013/070925 patent/WO2014024777A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59153912U (en) * | 1983-04-01 | 1984-10-16 | 住友金属工業株式会社 | steel cord belt |
JPH06345231A (en) * | 1993-06-04 | 1994-12-20 | Bando Chem Ind Ltd | Conveyor belt |
Also Published As
Publication number | Publication date |
---|---|
AU2013300679A1 (en) | 2015-03-26 |
RU2015107801A (en) | 2016-09-27 |
CN104520213B (en) | 2017-03-01 |
JP5966755B2 (en) | 2016-08-10 |
CN104520213A (en) | 2015-04-15 |
JP2014037281A (en) | 2014-02-27 |
RU2605224C2 (en) | 2016-12-20 |
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