CN103407180B - A kind of Polyester conveyor belt thermal cementation connection method - Google Patents
A kind of Polyester conveyor belt thermal cementation connection method Download PDFInfo
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- CN103407180B CN103407180B CN201310339240.XA CN201310339240A CN103407180B CN 103407180 B CN103407180 B CN 103407180B CN 201310339240 A CN201310339240 A CN 201310339240A CN 103407180 B CN103407180 B CN 103407180B
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- conveyor belt
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- polyester conveyor
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Abstract
The present invention relates to conveyer belt field, particularly, the present invention relates to a kind of Polyester conveyor belt thermal cementation connection method.Polyester conveyor belt thermal cementation connection method of the present invention, comprises the following steps: 2) be put on the vulcanizing board of vulcanizer by Polyester conveyor belt, starches at the joint brush coating of taking the lead cut out; 3) Polyester conveyor belt brushing rubber cement is taken the lead after joint pastes core glue, and through step 1)-2) Polyester conveyor belt of another reverse symmetry that processes take the lead joint top and bottom oppositely fit after brush finish glue, then carry out sulfuration; 4) temperature more than 45 minutes when the conveyer belt constant temperature after step 3) sulfuration being connected keeps sulfuration, obtains the Polyester conveyor belt that connects.Carry out cementing by this method to Polyester conveyor belt, cementing belt life improves greatly, and the cementing leather belt head life-span is almost identical with the life-span of belt, and glue knot tying intensity can reach about 90% of raw hide band.
Description
Technical field
The present invention relates to conveyer belt field, particularly, the present invention relates to a kind of Polyester conveyor belt thermal cementation connection method.
Background technology
Belt conveyor be mainly used in sinter needed for raw material, finished product transport, its effect is carried and transported material and transmitting tractive power.Common belt material has nylon core, polyester and three kinds, cotton sail core.The feature of belt feeder is that individual transport distance, conveying capacity are large.Therefore the quality of belt feeder working order directly affects normal production.Belt feeder is often subject to the interference of various factors in operation process, thus causes belt failure, causes equipment downtime time serious.The particularly cementing place of belt is belt weakest link, if the improper meeting of cementation process causes the frequent appearance of belt failure.
Summary of the invention
The object of the invention is, the problems such as difference, easy fracture of easily resistance to wearing for the cementing place of Polyester conveyor belt, provide a kind of Polyester conveyor belt thermal cementation connection method.
Polyester conveyor belt thermal cementation connection method of the present invention, comprises the following steps:
1, a Polyester conveyor belt thermal cementation connection method, comprises the following steps:
1) by the upper covering glue layer otch of Polyester conveyor belt, cut out, take off and catch joint;
2) Polyester conveyor belt is put on the vulcanizing board of vulcanizer, starches at the joint brush coating of taking the lead cut out;
3) Polyester conveyor belt brushing rubber cement is taken the lead after joint pastes core glue, and through step 1)-2) Polyester conveyor belt of another reverse symmetry that processes take the lead joint top and bottom oppositely fit after brush finish glue, then carry out sulfuration;
When take the lead thickness be less than 25mm time, cure time is 14+0.7Z+1.6 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer;
When take the lead thickness be greater than 25mm time, cure time is 17+0.7Z+2 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer;
4) by step 3) sulfuration connect after conveyer belt constant temperature temperature more than 45 minutes when keeping sulfuration, obtain the Polyester conveyor belt that connects.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 1) described otch, cut out, take off the method catching joint and be:
The upper covering glue layer of Polyester conveyor belt is being carried out otch apart from band cephalic par Lmm place, and wherein L=(Z-1) S+30, Z are conveyer belt line number layer by layer, and S is the length that every layer of conveyer belt line layer retains, and S is 200-250mm;
Carry out cutting out from incision pull down all covering glue layers to taking the lead end direction, then pull down remainder by after the ground floor conveyer belt line layer exposed reservation 30mm; From second layer conveyer belt line layer, every layer retains 200-250mm, pulls down remainder;
After pulling down conveyer belt line layer, apart from last one deck conveyer belt line layer 30mm place, remove lower covering glue layer, obtain joint.
According to Polyester conveyor belt thermal cementation connection method of the present invention, described otch or cutting are 45° angle.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 2) at least brush twice rubber cement, step 2) described thick core glue thickness is less than or equal to 1mm.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 3) described laminating employing crimping mode, take the lead the up 15mm that misplaces on upper strata.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 3) described laminating time, pierce through bubbling, compacting after exhaust.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 3) before described sulfuration, on take the lead, add plank, in conveyer belt thickness 1mm under described plank thickness.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 3) described curing temperature is 145 ± 5 DEG C.
According to Polyester conveyor belt thermal cementation connection method of the present invention, step 3) described sulfuration time, be pressurized to 1.5-2MPa rapidly.
Carry out cementing by this method to Polyester conveyor belt, cementing belt life improves greatly, and the cementing leather belt head life-span is almost identical with the life-span of belt, glue knot tying intensity can reach about 90% of raw hide band, and not easily peeling, maintenance construction is fast, can bring good benefit to enterprise.
Accompanying drawing explanation
Fig. 1 is that Polyester conveyor belt after cutting of the present invention takes the lead joint schematic diagram.
Fig. 2 is that Polyester conveyor belt after cutting of the present invention takes the lead joint top view.
Fig. 3 be with cutting of the present invention after Polyester conveyor belt take the lead another of joint reverse symmetry and take the lead joint schematic diagram.
Reference numeral
1, upper covering glue layer 2, conveyer belt line layer 3, lower covering glue layer
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
One, the cutting out and removing of leather belt head
Scribe cuts, according to the width of cementing belt, the line number of plies, upper doses, inclination angle size determine the length of leather belt head.For reducing the length in belt engaging surface gap and easy operation, take straight peen cementing, length is calculated as follows: L=(Z-1) S+30
L in formula---the cementing head institute lap of splice (namely apart from the otch distance of band cephalic par) (mm), Z---conveyer belt line number layer by layer, S---step length (mm).Generally get S=200-250mm.High strength leather belt S is taken large values.(or by the requirement of belt producer)
According to Fig. 1-2, carry out face glue belt cutting being taken off to working face and non-working surface place.
Concrete operations are: carry out cutting out from incision pull down covering glue layer 1 all to taking the lead end direction, pull down remainder after then the ground floor conveyer belt line layer 2 exposed being retained 30mm; From second layer conveyer belt line layer 2, every layer retains 200-250mm, pulls down remainder;
After pulling down conveyer belt line layer, apart from last one deck conveyer belt line layer 30mm place, remove lower covering glue layer 3, obtain taking the lead joint.
Notice that working face and non-working surface are by the face glue edge of a knife taken off, certain shovel cuts and will present about 45 °, wants SC to note, more than 1/6, must not must not accidentally injure more than 1/10 to step length to the accidental injury of lower floor's cloth to ladder cloth.With knife, the glue bowed in surface is cleared up after having taken off, take off polishing after cleaning with polishing, making sure to keep in mind during polishing firmly must be light, avoids the bright polishing of sassafras occurring or producing incipient scorch phenomenon (surperficial micro-band glue-line, polishing is not gone).After taking off, can not make moist.
Two, sizing material is selected
The cementing main materials of belt are rubber cement, face glue and core glue.Confirm rubber cement and the whether same trade mark of rubberizing: BD878 hinders right high temperature modification vulcanizate and BD878 sulfuration rubber cement supports the use, BD858 resistance so middle warm type film and BD858 hinders right type sulfuration rubber cement and supports the use; Certain material by adhesive tape determines glue oar face glue and core glue in use, can not use with, expiredly can not use.Core glue thickness can not more than 1mm, and rubber cement and lid glue can not be expired.(can adopt experimental method: get two panels lid glue, be combined after scouring, whether have certain viscosity, general three months expired).
Three, the cementation process process of sulfuration
Cut out and remove another Polyester conveyor belt of process take the lead joint according to above-mentioned, make itself and upper one process take the lead joint reverse symmetry (as shown in Figure 3), by the two leather belt head joints cut together comparison once, check that whether each size correct, will repair as incorrect.Trying rear adhesive tape to be fixed on vulcanizing board, taking the lead about about the 100mm of joint anomaly panel edges, taking the lead separation layer in underneath, taking the lead joint with 120
#gasoline is wiped clean after gasoline is dry, drives brush coating oar (2 times).Brush coating twice, after first pass parches, then brush second time rubber cement: the thick 0.5mm of first pass glue-line, brush second time again after to be dried, second time thick 0.3mm of glue-line; After pasting the thick core glue of 1mm, are oppositely fitted in two Polyester conveyor belt top and bottom, fill top and bottom 30cm indentation, there with face glue according to the thickness of working face.After laminating brush coating terminates, above taking the lead, put separation layer, after putting well, add plank, add plank thickness about 1mm slightly thinner than belt.Vulcanizer is pulled tight rear beginning sulfuration.
When take the lead thickness be less than 25mm time, cure time is 14+0.7Z+1.6 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer;
When take the lead thickness be greater than 25mm time, cure time is 17+0.7Z+2 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer.
Common belt curing temperature general control at about 145 ± 5 DEG C, and is pressurized to about 1.5-2MPa rapidly.Require constant temperature to when 145 DEG C, constant temperature time is greatly about about 45 minutes.The complete after cure process of constant temperature terminates, when being reduced to 90 DEG C hydraulic pressure plate step-down.Points for attention in bonding process: 1, rubberizing only covers wired place; 2, both sides rubber cover (rubberizing is different from rubber cover intensity); 3, tape splice changes in the past docking mode, adopts crimping, and namely upper strata belt misplaces up 15mm, and to gain in strength, gluing should be even, must guard against and cause local starved or pore.If there is bubbling during laminating, should be pierced through, compacting after exhaust.4, during fastening vulcanizer, simultaneously tight by two people two sides, first intermediate and then both sides, firmly uniformity; 5, pressurization is rear as needed ftercompction, adopts secondary to suppress mode and carries out ftercompction, starts hydraulic press and suppresses 8kg/cm
2, when temperature is to 80 DEG C-100 DEG C, suppress 15kg/cm
2, for preventing hydraulic pressure plate because leaking decompression, should ftercompction at any time, to be cooledly stop ftercompction to when 100 DEG C; 6, heating and temperature control is at 145 DEG C, constant temperature 45 minutes; (belt embrittlement can not be easily made) more than 150 DEG C; When 7, being cooled to below 70 DEG C, open cull; 8, will have the monitoring of people's whole process in sulfidation, the process in time that goes wrong is until cooling terminates.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a Polyester conveyor belt thermal cementation connection method, comprises the following steps:
1) by the upper covering glue layer otch of Polyester conveyor belt, cut out, take off and catch joint;
Wherein, described otch, cut out, take off the method catching joint and be:
The upper covering glue layer of Polyester conveyor belt is being carried out otch apart from band cephalic par Lmm place, and wherein L=(Z-1) S+30, Z are conveyer belt line number layer by layer, and S is the length that every layer of conveyer belt line layer retains, and S is 200-250mm;
Carry out cutting out from incision pull down all covering glue layers to taking the lead end direction, then pull down remainder by after the ground floor conveyer belt line layer exposed reservation 30mm; From second layer conveyer belt line layer, every layer retains 200-250mm, pulls down remainder;
After pulling down conveyer belt line layer, apart from last one deck conveyer belt line layer 30mm place, remove lower covering glue layer, obtain joint;
2) Polyester conveyor belt is put on the vulcanizing board of vulcanizer, starches at the joint brush coating of taking the lead cut out;
3) Polyester conveyor belt brushing rubber cement is taken the lead after joint pastes core glue, and through step 1)-2) Polyester conveyor belt of another reverse symmetry that processes take the lead joint top and bottom oppositely fit after brush finish glue, then carry out sulfuration; Wherein, curing temperature is 145 ± 5 DEG C, during sulfuration, is pressurized to 1.5-2MPa rapidly;
When take the lead thickness be less than 25mm time, cure time is 14+0.7Z+1.6 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer;
When take the lead thickness be greater than 25mm time, cure time is 17+0.7Z+2 × (upper covering glue layer thickness+lower covering glue layer thickness), and unit is minute, and wherein Z is conveyer belt line number layer by layer;
4) by step 3) sulfuration connect after conveyer belt constant temperature temperature more than 45 minutes when keeping sulfuration, obtain the Polyester conveyor belt that connects.
2. Polyester conveyor belt thermal cementation connection method according to claim 1, is characterized in that, described otch or cutting are 45° angle.
3. Polyester conveyor belt thermal cementation connection method according to claim 1, is characterized in that, step 3) described core glue thickness is less than or equal to 1mm.
4. Polyester conveyor belt thermal cementation connection method according to claim 1, is characterized in that, step 3) described laminating adopts crimping mode, and upper strata takes the lead to take the lead relative to lower floor the up 15mm that misplaces.
5. Polyester conveyor belt thermal cementation connection method according to claim 1, is characterized in that, step 3) described laminating time, pierce through bubbling, exhaust after compacting.
6. Polyester conveyor belt thermal cementation connection method according to claim 1, is characterized in that, step 3) before described sulfuration, on take the lead, add plank, described plank thickness is less than conveyer belt thickness 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339240.XA CN103407180B (en) | 2013-08-06 | 2013-08-06 | A kind of Polyester conveyor belt thermal cementation connection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339240.XA CN103407180B (en) | 2013-08-06 | 2013-08-06 | A kind of Polyester conveyor belt thermal cementation connection method |
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| CN103407180A CN103407180A (en) | 2013-11-27 |
| CN103407180B true CN103407180B (en) | 2016-04-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943206A (en) * | 2014-03-25 | 2015-09-30 | 五冶集团上海有限公司 | Steel wire rope core conveyer belt vulcanization connection method |
| CN109048344B (en) * | 2018-08-06 | 2020-05-12 | 盐城捷纳福传动科技有限公司 | Conveyer belt polishing welding recovery unit |
| CN110856982A (en) * | 2018-08-25 | 2020-03-03 | 河南天工科技股份有限公司 | Joint method of aromatic wheel core conveying belt |
| CN113977996A (en) * | 2021-09-13 | 2022-01-28 | 江苏科强新材料股份有限公司 | Preparation method of gas holder adhesive tape |
| CN114536783B (en) * | 2022-01-06 | 2023-06-09 | 中国化学工程第三建设有限公司 | Bonding method of belt conveyor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277111A (en) * | 1991-03-05 | 1992-10-02 | Bando Chem Ind Ltd | Method for exposing tensile resistant body of conveyer belt |
| JPH10217348A (en) * | 1997-02-07 | 1998-08-18 | Unon Giken:Kk | Belt and its production |
| CN102179933A (en) * | 2011-02-16 | 2011-09-14 | 天津津滨石化设备有限公司 | Vulcanization bonding process by template method for conveying belt |
| CN102582077A (en) * | 2012-02-17 | 2012-07-18 | 洛阳栾川钼业集团股份有限公司 | Method for adhering joint of transport belt |
-
2013
- 2013-08-06 CN CN201310339240.XA patent/CN103407180B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277111A (en) * | 1991-03-05 | 1992-10-02 | Bando Chem Ind Ltd | Method for exposing tensile resistant body of conveyer belt |
| JPH10217348A (en) * | 1997-02-07 | 1998-08-18 | Unon Giken:Kk | Belt and its production |
| CN102179933A (en) * | 2011-02-16 | 2011-09-14 | 天津津滨石化设备有限公司 | Vulcanization bonding process by template method for conveying belt |
| CN102582077A (en) * | 2012-02-17 | 2012-07-18 | 洛阳栾川钼业集团股份有限公司 | Method for adhering joint of transport belt |
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| CN103407180A (en) | 2013-11-27 |
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