阅读说明：本技术 一种织物芯输送带接头结构 (Fabric core conveyer belt joint design ) 是由 李明霞 陈林 于 2020-06-08 设计创作，主要内容包括：本发明提出一种织物芯输送带接头结构,输送带包括有第一接头部和第二接头部,第一接头部包括有第一上覆盖层、第一骨架层和第一下覆盖层,第一骨架层至少设置有3层；第二接头部包括有第二上覆盖层、第二骨架层和第二下覆盖层；第一接头部和第二接头部的第一骨架层和第二骨架层上下搭接且部分重叠,位于最下层第一骨架层上方的多层第一骨架层端部分别对应的和位于最上层第二骨架层下方的多层第二骨架层的端部位置对应且连接,第二上覆盖层、第一上覆盖层、最上层第二骨架层通过第一封口胶固定；第二下覆盖层、第一下覆盖层,最下层第一骨架层通过第二封口胶固定。通过本发明解决了现有技术中织物芯输送带接头处强度低的问题。(The invention provides a fabric core conveying belt joint structure, wherein a conveying belt comprises a first joint part and a second joint part, the first joint part comprises a first upper covering layer, a first framework layer and a first lower covering layer, and the first framework layer is at least provided with 3 layers; the second joint part comprises a second upper covering layer, a second framework layer and a second lower covering layer; the first framework layers and the second framework layers of the first joint part and the second joint part are overlapped up and down and are partially overlapped, the end parts of the multiple first framework layers above the first framework layer at the lowest layer are respectively corresponding to and connected with the end parts of the multiple second framework layers below the second framework layer at the uppermost layer, and the second upper covering layer, the first upper covering layer and the second framework layer at the uppermost layer are fixed through first sealing glue; the second lower covering layer, the first lower covering layer and the first framework layer at the lowest layer are fixed through second sealing glue. The invention solves the problem of low strength of the fabric core conveying belt joint in the prior art.)

1. A fabric core conveyer belt joint structure is characterized in that a conveyer belt comprises a first joint part and a second joint part which are used for joint, the first joint part comprises a first upper covering layer, a first framework layer and a first lower covering layer which are sequentially arranged from top to bottom along the thickness direction of the conveyer belt, and the first framework layer is at least provided with 3 layers;

the second joint part comprises a second upper covering layer, a second framework layer and a second lower covering layer which are sequentially arranged from top to bottom along the thickness of the conveyor belt, and the second framework layer is at least provided with 3 layers;

the first framework layers and the second framework layers of the first joint part and the second joint part are overlapped up and down and are matched with the first framework layers and the second framework layers in an overlapped mode, the end parts of the first framework layers above the first framework layer at the lowest layer correspond to the end parts of the second framework layers below the second framework layer at the uppermost layer respectively and are connected with each other, and the second upper covering layer, the first upper covering layer and the second framework layer at the uppermost layer are fixed in a sealing mode through first sealing glue; the second lower covering layer, the first lower covering layer and the first framework layer at the lowest layer are sealed and fixed through second sealing glue.

2. The fabric core belt joint structure of claim 1, wherein the ends of the first skeleton layer above the lowest layer of the first skeleton layer and the ends of the second skeleton layer below the highest layer of the second skeleton layer are overlapped with each other or adhered by glue after forming flash seams.

3. The fabric core conveyor belt joint structure of claim 1, wherein the number of layers of the skeleton layer corresponding to the cross section of the conveyor belt at the overlapping position of the first skeleton layer and the second skeleton layer is greater than the number of layers of the skeleton layer of the conveyor belt body.

4. The fabric core belt joint structure of claim 1, wherein a first elastomer interlayer is disposed between adjacent first carcass layers, a second elastomer interlayer is disposed between adjacent second carcass layers, and a third elastomer interlayer is disposed on the overlapping surfaces of both the first and second carcass layers.

5. The fabric core belt joint structure of claim 3,

the length of the first framework layer is gradually longer from top to bottom along the thickness direction of the conveyor belt, and the length of the second framework layer is gradually shorter from top to bottom along the thickness direction of the conveyor belt.

6. The fabric core belt joint structure of claim 1, wherein the first joint portion further includes a first upper cross layer and a first lower cross layer, the second joint end further includes a second upper cross layer and a second lower cross layer, the first upper cross layer is disposed between the first upper cover layer and the uppermost first carcass layer, the first lower cross layer is disposed between the first lower cover layer and the lowermost first carcass layer, the second upper cross layer is disposed between the second upper cover layer and the uppermost second carcass layer, and the second lower cross layer is disposed between the second lower cover layer and the lowermost second carcass layer.

7. The fabric core conveyer belt joint structure of claim 4, wherein the first upper transverse layer and the uppermost second skeleton layer are corresponding in position and have flash seams formed at ends thereof, the flash seams have a length of 10-60 mm, and the first upper transverse layer and the uppermost second skeleton layer are fixed by filling adhesive in the flash seams.

8. The fabric core conveyer belt joint structure of claim 4, wherein the second lower transverse layer and the first skeleton layer at the lowest layer are corresponding in position and have flash seams formed at ends thereof, the flash seams have a length of 10-60 mm, and the second lower transverse layer and the first skeleton layer at the lowest layer are connected and fixed by filling adhesive glue in the flash seams.

9. The fabric core belt joint structure of claim 5, wherein the first top cover layer, the first top transverse layer, the uppermost second skeleton layer, the second top transverse layer and the second top cover layer are fixed by the first sealing compound.

10. The fabric core belt joint structure of claim 5, wherein the first lower covering layer, the first lower transverse layer, the lowermost first skeleton layer, the second lower transverse layer and the second lower covering layer are fixed by the second sealing compound.

Technical Field

The invention relates to the technical field of conveying belts, in particular to a fabric core conveying belt joint structure.

Background

The fabric core conveyer belt is made of rubber and fiber or composite plastic and fabric for carrying and conveying material. The conveyer belt is widely applied to the industries of cement, coking, metallurgy, chemical industry, steel and the like. The conveyer belt can be transported continuously, efficiently and at a large inclination angle, the conveyer belt is safe to operate, simple and convenient to use, easy to maintain and low in transportation cost, the transportation distance can be shortened, the construction cost is reduced, and manpower and material resources are saved.

The conveyor belt is jointed into a ring shape before use. The joint principle of the multi-layer fabric core conveying belt is that a connecting method of fabric core separating belts (cotton canvas, nylon and polyester) is completed by adopting step-type lap joint of cloth layers and rubber vulcanization, and the adhesive tape joint is completed.

At present, a multi-layer fabric core conveying belt adopts a stepped joint method, the positions of the number of the bone joint layers of two joint ends correspond to each other one by one, and when in butt joint, 2 skeleton layers with the same number of the joint end layers are connected in a butt joint one by one. The strength loss at the joint is serious due to the fact that the cloth layers at the joint are cut off, and particularly the loss of the layered fabric core conveying belt with few cloth layers is serious, so that the strength of the fabric core conveying belt joint is low.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

Aiming at the problem of low strength of the fabric core conveying belt joint in the prior art, the invention provides the joint structure of the fabric core conveying belt, and the joint strength of the whole conveying belt is improved.

In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:

a fabric core conveyer belt joint structure comprises a first joint part and a second joint part which are used for joint, wherein the first joint part comprises a first upper covering layer, a first framework layer and a first lower covering layer which are sequentially arranged from top to bottom along the thickness direction of the conveyer belt, and the first framework layer is at least provided with 3 layers;

the second joint part comprises a second upper covering layer, a second framework layer and a second lower covering layer which are sequentially arranged from top to bottom along the thickness of the conveyor belt, and the second framework layer is at least provided with 3 layers;

the first framework layers and the second framework layers of the first joint part and the second joint part are overlapped up and down and are matched with the first framework layers and the second framework layers in an overlapped mode, the end parts of the first framework layers above the first framework layer at the lowest layer correspond to the end parts of the second framework layers below the second framework layer at the uppermost layer respectively and are connected with each other, and the second upper covering layer, the first upper covering layer and the second framework layer at the uppermost layer are fixed in a sealing mode through first sealing glue; the second lower covering layer, the first lower covering layer and the first framework layer at the lowest layer are sealed and fixed through second sealing glue.

Furthermore, the ends of the first framework layers above the first framework layer at the lowest layer are respectively and correspondingly overlapped with the ends of the second framework layers below the second framework layer at the uppermost layer, or the ends of the first framework layers and the second framework layers are bonded by glue after flash seams are formed.

Furthermore, the number of the framework layers corresponding to the cross section of the conveying belt at the lap joint position of the first framework layer and the second framework layer is larger than that of the framework layers of the conveying belt body.

Furthermore, a third elastomer intermediate layer is arranged on the lap joint matching surface of the first framework layer and the second framework layer, and the adhesive fixation of the lap joint matching position of the first framework layer and the second framework layer is realized through the third elastomer intermediate layer, so that the strength of the joint position is ensured.

Further, the first joint part in this embodiment further includes a first upper transverse layer and a first lower transverse layer, the second interface end further includes a second upper transverse layer and a second lower transverse layer, the first upper transverse layer disposed between the first upper cover layer and the uppermost first carcass layer, the first lower transverse layer is arranged between the first lower covering layer and the first framework layer at the lowest layer and is also fixed by the adhesive layer, the second upper transverse layer is arranged between the second upper covering layer and the uppermost layer of the second framework layer and is respectively bonded and fixed with the second upper covering layer and the uppermost layer of the second framework layer through glue layers, the second lower transverse layer is arranged between the second lower covering layer and the second framework layer at the lowest layer and is fixedly bonded with the second lower covering layer and the second framework layer at the lowest layer through glue layers.

When the conveyer belt was provided with horizontal layer, the conveyer belt connects and still adopts the overlap joint mode from top to bottom, horizontal layer and the superiors second skeleton layer position correspond on the first and both tip are formed with the flash joint, and the flash joint is length 10~60mm, horizontal layer and superiors second skeleton layer are fixed with connecting through filling adhesive in the flash joint on the first.

Similarly, the second lower transverse layer and the first framework layer at the lowest layer correspond in position, flash seams are formed at the end parts of the second lower transverse layer and the first framework layer at the lowest layer, the length of each flash seam is 10-60 mm, and the second lower transverse layer and the first framework layer at the lowest layer are fixedly connected through filling adhesive glue in the flash seams.

When the conveying belt is provided with the transverse layer, the first upper covering layer, the first upper transverse layer, the uppermost layer of the second framework layer, the second upper transverse layer and the second upper covering layer are fixedly connected through the first sealing glue. The first lower covering layer, the first lower transverse layer, the first framework layer at the lowest layer, the second lower transverse layer and the second lower covering layer are correspondingly connected and fixed through the second sealing glue.

Compared with the prior art, the invention has the advantages and positive effects that:

according to the fabric core conveying belt joint structure provided by the invention, when the fabric core conveying belt joint structure is arranged, the first joint part and the second joint part are arranged in an up-down lapping mode, so that the first framework layer and the second framework layer which are in up-down lapping fit in the first joint part and the second joint part are partially overlapped, the number of the framework layers in the cross section of the conveying belt at the lapping fit position is larger than that of the framework layers of the conveying belt body, the number of the framework layers at the joint is increased, and the strength of the joint of the whole conveying belt is further enhanced.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a joint structure corresponding to an embodiment of a conveyor belt body having three layers of carcass layers in the fabric core conveyor belt joint structure according to the present invention;

FIG. 2 is a schematic structural view of a first joint portion corresponding to an embodiment of a fabric core belt joint structure in which the belt body has three layers of carcass layers;

FIG. 3 is a schematic structural view of a second joint portion corresponding to an embodiment of a fabric core belt joint structure in which the belt body has three layers of carcass layers;

FIG. 4 is a schematic view of a corresponding joint structure in an embodiment in which four layers of carcass layers of a belt body are included in the joint structure of a fabric core belt according to the present invention;

FIG. 5 is a schematic representation of the structure of a belt having a transverse layer according to the fabric core belt structure of the present invention;

FIG. 6 is a schematic view of a first joint portion of a belt having a transverse layer in a fabric core belt joint arrangement according to the present invention;

fig. 7 is a schematic view of the second joint portion of a belt having a transverse layer in a fabric core belt joint construction according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention provides an embodiment of a fabric core conveyor belt joint structure, which is referred to as a "conveyor belt" in this embodiment for convenience of description, and as shown in fig. 1 to fig. 7, the conveyor belt includes a first joint portion 100 and a second joint portion 200 for jointing, and before the fabric core conveyor belt is used, the first joint portion 100 and the second joint portion 200 need to be jointed to form an endless conveyor belt, and then the fabric core conveyor belt is put into use.

Specifically, the first joint part 100 in this embodiment includes a first upper covering layer 110, a first skeleton layer 120, and a first lower covering layer 130 that are sequentially disposed from top to bottom in the thickness direction of the conveyor belt, where at least 3 layers of the first skeleton layer 120 are disposed, and in order to achieve adhesion and fixation between adjacent first skeleton layers 120, a first elastomer intermediate layer 500 is disposed between adjacent first skeleton layers 120, and specifically, the first elastomer intermediate layer 500 is an adhesive layer.

The lengths of the first upper cover layer 110, the plurality of first carcass layers 120, and the first lower cover layer 130 become longer gradually from top to bottom in the thickness direction of the conveyor belt.

The second joint portion 200 includes a second upper covering layer 210, a second framework layer 220 and a second lower covering layer 230, which are sequentially arranged from top to bottom along the thickness of the conveyor belt, the second framework layers 220 are at least provided with 3 layers, a second elastic body intermediate layer 600 is arranged between the adjacent second framework layers 220, and the second framework layers 220 are also bonded and fixed through the second elastic body intermediate layer 600.

To achieve the fitting with the first joint portion 100, the lengths of the second upper cover layer 210, the plurality of second carcass layers 220, and the second lower cover layer 230 are gradually shortened from top to bottom in the thickness direction of the conveyor belt.

When the first joint part 100 and the second joint part 200 are jointed, the second joint part 200 and the first joint part 100 are overlapped up and down, that is, the uppermost layer of the second framework layer 220 is overlapped above the uppermost layer of the first framework layer 120, the second layer of the second framework layer 220 is overlapped above the second layer of the first framework layer 120, and the overlapping is continuously staggered in sequence, so that when the joint is carried out, the end parts of the first framework layer and the second framework layer, which are respectively corresponding to the plurality of first framework layers 120 above the lowermost layer of the first framework layer 120 and the end parts of the plurality of second framework layers 220 below the uppermost layer of the second framework layer 220, are mutually connected, specifically, the end part connecting mode of the first framework layer and the second framework layer which are mutually opposite in position can be that the two end parts are mutually overlapped or a flash seam is formed between the two end parts, the flash seam is filled with glue and then is bonded and fixed by the glue, when carrying out the overlap joint, the overlap joint length that corresponds is 0~20mm, and when the flash joint, the flash joint length that corresponds is: 0 to 20 mm.

The method specifically comprises the following steps: the uppermost first framework layer 120 of the first joint portion 100 is overlapped with or adhered to the second framework layer 220 of the second joint portion 200 after being subjected to flash-sewing, the second framework layer 220 of the first joint portion 100 is overlapped with or adhered to the third second framework layer 220 of the second joint portion 200 after being subjected to flash-sewing, and the first framework layer 120 and the second framework layer corresponding to the positions are continuously and circularly connected downwards.

Since the first joint part 100 and the second joint part 200 are vertically overlapped in a joint manner, so that the uppermost second skeleton layer 220 is opposite to the first upper covering layer 110 and the height of the top surface is higher than that of the uppermost first skeleton layer 120, in order to realize the connection and fixation of the upper covering layer and the lower covering layer, the second upper covering layer 210, the first upper covering layer 110 and the uppermost second skeleton layer 220 are sealed and fixed by the first sealing glue 300;

similarly, the height of the bottom surface of the first skeleton layer 120 at the lowest layer is lower than that of the bottom surface of the second skeleton layer 220 at the lowest layer, and in order to realize the connection and fixation between the first lower covering layer 130 and the second lower covering layer 230, the first lower covering layer 130 and the first skeleton layer 120 at the lowest layer are sealed and fixed by the second sealing compound 400.

According to the fabric core conveying belt structure provided in the embodiment, the first framework layers 120 and the second framework layers 220 which are in up-down lap joint fit are at least partially overlapped by adopting an up-down lap joint fit mode, so that the number of the framework layers in the cross section of the conveying belt at the lap joint fit position is larger than that of the framework layers of the conveying belt body, the number of the framework layers at the joint position is increased, and the strength of the joint position of the whole conveying belt is enhanced.

The third elastomer intermediate layer 700 is arranged on the lap joint surface of the first framework layer 120 and the second framework layer 220, and the adhesive fixation of the lap joint position of the first framework layer 120 and the second framework layer 220 is realized through the third elastomer intermediate layer 700, so that the strength of the joint position is ensured.

Further, the length of the first carcass layer 120 is gradually longer from top to bottom in the thickness direction of the conveyor belt, and the length of the second carcass layer 220 is gradually shorter from top to bottom in the thickness direction of the conveyor belt.

Further, the first joint portion 100 in this embodiment further includes a first upper transverse layer 140 and a first lower transverse layer 150, the second interface end further includes a second upper transverse layer 240 and a second lower transverse layer 250, the first upper transverse layer 140 is disposed between the first upper cover layer 110 and the uppermost first skeleton layer 120 and is respectively bonded and fixed to the first upper cover layer 110 and the first skeleton layer 120 through a glue layer, the first lower transverse layer 150 is disposed between the first lower cover layer 130 and the lowermost first skeleton layer 120 and is also bonded and fixed to the lowermost first skeleton layer 120 through a glue layer, the second upper transverse layer 240 is disposed between the second cover layer 210 and the uppermost second skeleton layer 220 and is respectively bonded and fixed to the second upper cover layer 210 and the uppermost second skeleton layer 220 through a glue layer, and the second lower transverse layer 250 is disposed between the second lower skeleton layer 230 and the lowermost second upper cover layer 220 through a glue layer 220 are adhesively secured.

When the conveying belt is provided with the transverse layers, the joint of the conveying belt still adopts an up-down lapping mode, at the moment, the position of the first upper transverse layer 140 corresponding to the second framework layer 220 on the uppermost layer corresponds to the position of the second framework layer 220 on the uppermost layer, flash seams are formed at the end parts of the first upper transverse layer and the second framework layer, and the length of the flash seams is 10-60 mm.

The flash seams are filled with glue to connect and fix the first upper transverse layer 140 and the uppermost second skeleton layer 220. Similarly, the second lower transverse layer 250 corresponds to the first framework layer 120 at the lowest layer in position, flash seams are also formed at the end parts of the second lower transverse layer and the first framework layer 120 at the lowest layer, the length of the flash seams is 10-60 mm, and the second lower transverse layer 250 and the first framework layer 120 at the lowest layer are also connected and fixed by filling glue in the flash seams.

When the conveyor belt is provided with the transverse layers, the first upper covering layer 110, the first upper transverse layer 140, the uppermost second skeleton layer 220, the second upper transverse layer 240 and the second upper covering layer 210 are fixedly connected through the first sealing compound 300. The first lower covering layer 130, the first lower transverse layer 150, the lowermost first skeleton layer 120, the second lower transverse layer 250, and the second lower covering layer 230 are correspondingly connected and fixed by the second sealing compound 400.

Furthermore, the transverse layer is made of one or a combination of any of nylon yarn, polyester yarn, aramid yarn and steel wire.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.