CN211469664U - Curved surface compensation conveyer belt - Google Patents
Curved surface compensation conveyer belt Download PDFInfo
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- CN211469664U CN211469664U CN201922023002.3U CN201922023002U CN211469664U CN 211469664 U CN211469664 U CN 211469664U CN 201922023002 U CN201922023002 U CN 201922023002U CN 211469664 U CN211469664 U CN 211469664U
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Abstract
The utility model discloses a curved surface compensation conveyer belt, relating to the technical field of conveyer belts, comprising a framework layer; the upper covering layer is positioned on one side, facing outwards, of the framework layer and comprises a middle adhesive section and an edge adhesive section along the width direction of the upper covering layer, and the thickness of the middle adhesive section is larger than that of the edge adhesive section; and the lower covering layer is positioned on the inward side of the framework layer and comprises a middle lower adhesive section and an edge lower adhesive section along the width direction of the lower covering layer, and the thickness of the middle lower adhesive section is smaller than that of the edge lower adhesive section. The utility model discloses pass through the method of curved surface compensation at the overburden, prolonged the life of easy wearing and tearing portion to the life of conveyer belt has been prolonged.
Description
Technical Field
The invention relates to the technical field of conveying belts, in particular to a curved surface compensation conveying belt.
Background
The conveyer belt is suitable for the transportation of powdery and blocky materials among various working procedures and working sections, is convenient and quick, has high production efficiency, and is a necessary means for continuously conveying modern mass production batch materials.
The frame layer of the adhesive tape is a strong layer of the adhesive tape (one of a steel wire rope and a laminated canvas is selected optionally), which bears the main tension in the operation process of the adhesive tape, the upper and lower covering adhesives play the role of protecting the frame layer, because the abrasion of each part of the covering layer of the adhesive tape is different, the use of the whole adhesive tape is influenced due to local damage, and the abrasion and wear of the canvas frame layer or the corrosion and fracture of the steel wire rope due to the serious abrasion of the covering layer of some adhesive tapes result in the scrapping of the whole adhesive tape. Therefore, how to improve the service life of the upper and lower covering adhesives is an important index for designing the adhesive tape.
The existing adhesive tape standards and applied technologies are all flat structures (as shown in figure 1), the thicknesses of all parts of a covering adhesive are consistent, the covering adhesive is not manufactured according to the actual needs of all parts, parts which are easy to wear appear to be insufficient in adhesive material, parts which are not easy to wear appear to be redundant in adhesive material, the method commonly adopted in the existing adhesive tape industry is to improve the service life of the adhesive tape by improving the performance of the upper covering adhesive and the lower covering adhesive of the whole adhesive tape, the cost of the adhesive tape is high, some parts are close to the limit due to the limitation of technologies and materials, the breaking through is difficult to achieve through multiple times of attack, and the damaged parts of the adhesive tape are not the whole adhesive tape, so that.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a curved surface compensation conveyor belt.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a curved surface compensation conveyor belt comprises a framework layer; the upper covering layer is positioned on one side, facing outwards, of the framework layer and comprises a middle adhesive section and an edge adhesive section along the width direction of the upper covering layer, and the thickness of the middle adhesive section is larger than that of the edge adhesive section; and the lower covering layer is positioned on the inward side of the framework layer and comprises a middle lower adhesive section and an edge lower adhesive section along the width direction of the lower covering layer, and the thickness of the middle lower adhesive section is smaller than that of the edge lower adhesive section.
As a preferable scheme of the curved surface compensation conveyer belt of the invention, wherein: along the width direction of the upper covering layer, the thickness of the upper covering layer gradually decreases from the middle part of the upper covering layer to two sides, so that the cross section of the upper covering layer is in an arc shape.
As a preferable scheme of the curved surface compensation conveyer belt of the invention, wherein: and along the width direction of the lower cover, the thickness of the edge lower glue section is gradually reduced from the middle part to two sides, so that the cross section of the edge lower glue section is in an arc shape.
As a preferable scheme of the curved surface compensation conveyer belt of the invention, wherein: the width of any section of the edge lower sizing material section accounts for 10-12% of the width of the lower covering layer.
As a preferable scheme of the curved surface compensation conveyer belt of the invention, wherein: the maximum thickness of the edge lower glue section is 130-140% of the thickness of the middle lower glue section.
The invention has the beneficial effects that:
(1) the invention changes the flat type of the upper covering layer into the middle protruding type, and the thickest middle part gradually decreases towards the two sides, so that the cross section of the upper covering layer is in the shape of an arc, the thickness of the covering rubber material of the part which is most easily worn on the working surface of the conveyer belt is larger, the wear compensation is carried out, and the thickness of the covering rubber material of the other part with smaller wear degree is smaller, thereby reducing the manufacturing cost, not only improving the service life of the conveyer belt by more than 2 times, but also reducing the manufacturing cost of the conveyer belt;
(2) the thickness of the two sides of the lower covering layer is larger than that of the middle part of the lower covering layer, so that the thickness of the part, which bears the friction and the deflection of the carrier roller, of the lower covering layer is increased, the abrasion compensation is carried out, the service life of the lower covering layer is prolonged, and the integral service life of the conveying belt is further prolonged;
(3) the invention prolongs the service life of the easy-to-wear part by a curved surface compensation method on the covering layer, thereby prolonging the service life of the conveyer belt.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic cross-sectional view of a prior art conveyor belt;
FIG. 2 is a schematic cross-sectional view of a curved compensation conveyor belt according to the present invention;
FIG. 3 is a front view of a calendering apparatus for applying a layer of glue;
FIG. 4 is a side view of an overlying bondline calendering apparatus;
FIG. 5 is a front view of the flat rolling apparatus;
FIG. 6 is a front view of a projection rolling device;
FIG. 7 is a cross-sectional view of the upper pull roll;
FIG. 8 is a cross-sectional view of the lower pull roll;
wherein: 1. an upper cladding layer; 2. a framework layer; 3. edge glue; 4. a lower cover layer; 5. a first press roll; 6. a second press roll; 7. a third press roll; 8. a flat roller; 9. a concave roller; 10. an upper pulling roll; 11. a lower traction roller; 12. a roller is arranged; 13. an upper compression roller; 14. a lower roller; 15. a middle roller; 16. an end roller.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
The conveyer belt is suitable for the transportation of powdery and blocky materials among various working procedures and working sections, is convenient and quick, has high production efficiency, and is a necessary means for continuously conveying modern mass production batch materials. The framework layer is a strong layer (one of a steel wire rope and a laminated canvas) of the adhesive tape, and bears the main tension in the running process of the adhesive tape, and the upper and lower covering adhesives play a role in protecting the framework layer. In the use process of a common conveying belt, the middle part of the upper covering rubber is easily worn and gradually decreases towards two sides. The contact part of the lower covering rubber and the carrier roller is easily abraded. The central positions of the two sides of the adhesive tape and the position with the width of 12 percent are respectively gradually decreased towards the two sides.
Referring to fig. 2, in view of this, the present embodiment provides a curved surface compensation conveyor belt, which includes an upper covering layer 1, a lower covering layer 4, and a skeleton layer 2. Wherein, the upper covering layer 1 is changed from a flat shape into a middle protrusive shape, the thickest middle part gradually decreases towards two sides, so that the cross section of the upper covering layer 1 is arc-shaped; the thickness of the two sides of the lower covering layer 4 is larger than that of the middle part of the lower covering layer, and the service life of the easy-to-wear part is prolonged by a curved surface compensation method, so that the service life of the conveying belt is prolonged.
Specifically, the framework layer 2 adopts any one of a steel wire rope and laminated canvas, and bears main tension in the running process of the adhesive tape.
The upper cover layer 1 is positioned at the upper end of the framework layer 2, the upper end face of the upper cover layer 1 is positioned as a working face and mainly plays a role in receiving materials, bearing and buffering, the service life of the upper cover layer is the service life of rubber materials adopted by the upper cover layer 1, the main stress interval of the upper cover layer 1 is positioned in the middle of the cross section of the rubber materials, the bandwidth is generally 45-55%, and the part of the upper cover layer 1 which goes to the middle is more susceptible to abrasion. Thus, the upper cladding layer 1 includes, in its width direction, a middle upper sizing section located in the middle of the upper cladding layer 1 and edge upper sizing sections located on both sides of the middle upper sizing section. Wherein, the thickness of the middle sizing section is larger than that of the edge sizing section.
Preferably, the upper cladding layer 1 is provided to protrude in the middle, and the middle is thickest and gradually decreases toward both sides, so that the cross section of the upper cladding layer 1 is formed in a circular arc shape.
The lower covering layer 4 is located at the lower end of the framework layer 2, the lower covering layer 4 serves as a non-working surface and mainly plays a role in protecting the framework layer 2 and buffering, friction and deflection of the carrier roller are borne, and the main surface is easily abraded at a contact part with the carrier roller. Therefore, the lower covering layer 4 includes a middle lower adhesive section and an edge lower adhesive section along the width direction thereof, the middle lower adhesive section is located in the middle of the lower covering layer 4, the edge lower adhesive sections are located on both sides of the middle lower adhesive section, and the thickness of the middle lower adhesive section is smaller than that of the edge lower adhesive section, wherein the thickness of the edge lower adhesive section gradually decreases from the middle to both sides thereof along the width direction of the lower covering layer, so that the cross section of the edge lower adhesive section on any side is arc-shaped.
It should be noted that the width of the edge lower adhesive section on any side accounts for 10 to 12% of the width of the lower covering layer 4, and the maximum thickness of the edge lower adhesive section, that is, the thickness of the middle part of the edge lower adhesive section is 130 to 140% of the thickness of the middle part lower adhesive section.
The upper covering layer 1, the framework layer 2 and the lower covering layer 4 are formed into a belt blank through molding and pressing, the two ends of the framework layer 2 are respectively provided with an edge rubber layer, the edge rubber layers and the belt blank are pressed together through the edge rubber 3 to form a base belt, and then the base belt is vulcanized through a flat vulcanizing machine die to form a finished product.
The embodiment also provides a production process of the curved surface compensation conveyer belt, which comprises the following steps:
s1: preparing materials: taking 70 parts of natural rubber, 30 parts of butadiene rubber, 5 parts of indirect zinc oxide, 1.8 parts of stearic acid, 1.75 parts of 80% non-crystalline sulfur, 0.7-1.1 parts of accelerator NOBS, 1.8 parts of protective agent 4010NA, 1.5 parts of protective agent RD, 40200.7 parts of protective agent, 13 parts of N234 carbon black, 25 parts of N220 carbon black and 17 parts of N330 carbon black;
s2: putting natural rubber and butadiene rubber into an internal mixer, and internally mixing for 2 minutes at the temperature of 110-120 ℃; adding indirect zinc oxide, stearic acid, a protective agent 4010NA, a protective agent RD and a protective agent 4020, and mixing for 1-2 minutes; then adding carbon black N234, carbon black N220 and carbon black N330, banburying for 3 minutes, controlling the mixing temperature to 145 +/-2 ℃ by adjusting the cooling water flow of a jacket of a banburying chamber in the process, discharging the sheet after the mixing time and the mixing temperature meet the requirements, and entering a cooler for quenching to obtain a section of mixing cover rubber;
s3: mixing the cover rubber which is left standing for 24 hours, 80% of non-crystallized sulfur master batch and an accelerant NOBS into an internal mixer for mixing for 3-4 minutes, controlling the mixing temperature at 80-90 ℃, then blanking, discharging and cooling to obtain corresponding cover rubber;
s4: putting the heated covering glue into a calendering device, and calendering the upper covering glue layer and the lower covering glue layer to obtain a sheet;
s5: adopting laminated canvas or a steel wire rope as a framework layer, placing an upper covering rubber layer above the framework layer, placing a lower covering rubber layer below the framework layer, and then carrying out traction compaction on the upper covering rubber layer and the lower covering rubber layer through a traction roller to obtain a belt blank;
s6: heating a hot plate of a flat vulcanizing machine in advance, setting the temperature to be 148-150 ℃, after heating for 1.5 hours, checking whether the temperature of each area of the hot plate meets the requirement, after the temperature reaches a specified value and is constant, guiding the strip blank out, drawing the strip blank into a die cavity of the hot plate, checking whether the strip blank is centered, performing primary extension, closing the die, gradually pressurizing and exhausting for 3 times, maintaining pressure and vulcanizing, taking out the strip blank after reaching the specified time, repeating the previous action after the completion, paying attention to the supply of cooling water, preventing the vulcanization of a transition area between the die and the die, and finally obtaining a finished product of the conveying belt.
The rolling device used in S4 includes an upper cover adhesive layer rolling device and a lower cover adhesive layer rolling device. Wherein, go up and cover glue film calendering device including can be around its axis rotatory first compression roller 5, second compression roller 6 and third compression roller 7, the axis of first compression roller 5, second compression roller 6, third compression roller 7 all is parallel to each other. The first press roll 5, the second press roll 6 and the third press roll 7 are sequentially arranged, so that roll gaps are formed between the first press roll 5 and the second press roll 6 and between the second press roll 6 and the third press roll 7. The first pressing roller 5 and the third pressing roller 7 are both cylindrical, and the diameter of the second pressing roller 6 is gradually reduced from two ends to the middle. The cover rubber after the hot smelting enters a calendering device through a roll gap between a first compression roller 5 and a second compression roller 6, then is discharged through a roll gap between the second compression roller 6 and a third compression roller 7, and the cover rubber sheet with a medium thickness and a thin edge can be obtained through one-time calendering.
Because the main body of the lower covering glue layer is flat, only two protruding parts are arranged on the edge part section, and the positions of the edge part sections in the conveying belts with different specifications are not fixed, the lower covering glue layer is divided into two parts, namely a flat part and a protruding part. Therefore, the lower-coating adhesive layer rolling device includes a flat rolling device and a convex rolling device. The flat calendering device is used for comprising at least two flat rollers 8 which can rotate around the axis of the flat rollers 8, the flat rollers 8 are cylindrical, and a roller gap is formed between the two flat rollers 8. The male calendering apparatus comprises a flat roller 8 rotatable about its axis and a hollow roller 9, the diameter of the hollow roller 9 gradually decreasing from both ends toward the middle.
In addition, the drawing rolls used in S5 include an upper drawing roll 10 and a lower drawing roll 11. Wherein, the upper traction roller 10 comprises an upper roller 12 and an upper press roller 13 sleeved outside the upper roller 12. The upper compression roller 13 is a hollow roller, the middle part of the upper compression roller is provided with a mounting hole with the same outer diameter as that of the upper roller 12, and the upper compression roller 13 is stably sleeved outside the upper roller 12 through the mounting hole. The diameter of the upper press roll 13 is gradually reduced from both ends to the middle, so that the cross-sectional shape of the upper drawing roll 10 is matched with that of the upper cover layer 1.
The lower traction roller 11 comprises a lower roller 14 and a lower pressing roller sleeved outside the lower roller 14. The lower compression roller comprises a middle roller 15 and end rollers 16 positioned on two sides of the middle roller 15, and mounting holes with the same outer diameter as that of the lower roller 14 are formed in the middle of the middle roller 15 and the middle of the end rollers 16. Wherein, the middle roller 15 is cylindrical, the diameter of the end roller 16 is gradually reduced from two ends to the middle, and the diameter of the end roller 16 is equal to that of the middle roller 15.
It should be noted that the middle roller 15 can be changed according to the length of the flat section in the lower covering layer 4.
In the vulcanization mold used in S6, the cross-sectional shape of the lower end of the upper mold matches the cross-sectional shape of the upper cladding layer 1, and the cross-sectional shape of the upper end of the lower mold matches the cross-sectional shape of the lower cladding layer 4, so as to ensure the stability of the shapes of the upper cladding layer 1 and the lower cladding layer 4 during vulcanization.
Therefore, the upper covering layer 1 is changed from a flat type to a middle protruding type, so that the thickness of the covering rubber material of the part which is most easily worn on the working surface of the conveying belt is increased, the wear compensation is carried out, and the thickness of the covering rubber material of the rest parts with smaller wear degree is relatively reduced, thereby reducing the manufacturing cost; the thickness of the two sides of the lower covering layer 4 is larger than that of the middle part of the lower covering layer 4, so that the thickness of the part, which bears the friction and the deflection of the carrier roller, of the lower covering layer 4 is increased, the abrasion compensation is carried out, the service life of the lower covering layer 4 is prolonged, the service life of the conveying belt is prolonged by more than 2 times, and the manufacturing cost of the conveying belt is reduced.
In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a curved surface compensation conveyer belt which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a skeleton layer (2);
the upper covering layer (1) is positioned on the outward side of the framework layer (2), the upper covering layer (1) comprises a middle upper sizing section and an edge upper sizing section along the width direction of the upper covering layer, and the thickness of the middle upper sizing section is larger than that of the edge upper sizing section; and the number of the first and second groups,
the lower covering layer (4) is located on the inward side of the framework layer (2), the lower covering layer (4) comprises a middle lower adhesive section and an edge lower adhesive section along the width direction of the lower covering layer, and the thickness of the middle lower adhesive section is smaller than that of the edge lower adhesive section.
2. The curve compensating conveyor belt of claim 1, wherein: along the width direction of the upper covering layer (1), the thickness of the upper covering layer (1) gradually decreases from the middle part of the upper covering layer (1) to two sides, so that the cross section of the upper covering layer (1) is in an arc shape.
3. The curve compensating conveyor belt of claim 1, wherein: and along the width direction of the lower cover, the thickness of the edge lower glue section is gradually reduced from the middle part to two sides, so that the cross section of the edge lower glue section is in an arc shape.
4. The curve compensating conveyor belt of claim 1 or 3, wherein: the width of any section of the edge lower sizing material section accounts for 10-12% of the width of the lower covering layer (4).
5. The curve compensating conveyor belt of claim 1 or 3, wherein: the maximum thickness of the edge lower glue section is 130-140% of the thickness of the middle lower glue section.
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| CN201922023002.3U CN211469664U (en) | 2019-11-21 | 2019-11-21 | Curved surface compensation conveyer belt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110712925A (en) * | 2019-11-21 | 2020-01-21 | 江苏凯嘉橡胶科技股份有限公司 | Curved compensation conveyor belt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712925A (en) * | 2019-11-21 | 2020-01-21 | 江苏凯嘉橡胶科技股份有限公司 | Curved compensation conveyor belt |
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