Synchronous belt and production line

Abstract

The utility model discloses a synchronous belt and a production line, the synchronous belt is used for conveying workpieces, and the synchronous belt comprises a first aramid fiber layer, a middle layer and a second aramid fiber layer. The first aramid fiber layer is suitable for abutting against a workpiece. The middle layer is connected with the first aramid fiber layer and is stacked with the first aramid fiber layer. The second aramid fiber layer is connected with the middle layer and stacked with the middle layer, and the second aramid fiber layer is located on the side, away from the first aramid fiber layer, of the middle layer. According to the scheme, the first aramid fiber layer is used for abutting against the workpiece, due to the fact that aramid fiber materials are good in high temperature resistance and abrasion resistance, the situations that the synchronous belt is softened and the workpiece is polluted by chippings can be effectively avoided, it is guaranteed that scratches do not appear on the surface of the workpiece, and the quality requirement of the workpiece is met; and a synergistic function of high strength, high temperature resistance and low vibration can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to synchronous belt technical field, especially synchronous belt and production line. BACKGROUND

[0002] The synchronous belt is used for conveying workpieces. In the prior art, the synchronous belt of the splitting table is made of rubber or nylon material, but the rubber or nylon material has poor high-temperature resistance, so that the synchronous belt is prone to softening at high temperature, thereby causing the conveyed tempered glass or semiconductor workpieces to leave marks.

[0003] In the related art, the synchronous belt made of wool felt material can partially alleviate the splitting table belt mark problem, but due to the temperature fluctuation of ±20℃ in the glass air outlet grid area, the wool felt fibers melt and adhere to the glass surface at the moment of high temperature, so that about 15% of the finished product glass surface still has a continuous indentation with a width of 0.2mm-0.4mm, that is, the existing synchronous belt cannot meet the conveying quality requirements of glass. SUMMARY

[0004] The main purpose of the utility model is to provide a synchronous belt and a production line, which aims to solve the technical problem that the synchronous belt cannot meet the conveying quality requirements of workpieces.

[0005] To achieve the above-mentioned purpose, the utility model provides a synchronous belt for conveying workpieces, which comprises:

[0006] A first aramid layer adapted to abut against the workpiece;

[0007] An intermediate layer connected to the first aramid layer and arranged in a stack with the first aramid layer;

[0008] A second aramid layer connected to the intermediate layer and arranged in a stack with the intermediate layer, the second aramid layer being located on the side of the intermediate layer away from the first aramid layer.

[0009] In some embodiments, along the thickness direction of the synchronous belt, the first aramid layer comprises a first side wall away from the intermediate layer, and the first side wall is adapted to be coated with a ceramic coating or a polytetrafluoroethylene coating.

[0010] In some embodiments, the thickness of the first aramid layer is H1, wherein H1 satisfies 3mm≤H1≤4mm.

[0011] And / or,

[0012] The first side wall is adapted to be coated with a ceramic coating or a polytetrafluoroethylene coating, and the thickness of the ceramic coating or the polytetrafluoroethylene coating is H2, wherein H2 satisfies 2μm≤H1≤5μm.

[0013] In some embodiments, the intermediate layer comprises a toothed layer for connecting the first aramid layer, the toothed layer is provided with a hole body, the hole body is suitable for filling a solid lubricant, the toothed layer is provided with a tooth-shaped structure, and the tooth-shaped structure is spaced from the hole body.

[0014] In some embodiments, the toothed layer comprises a plurality of hole bodies, and each hole body is arranged spaced from each other, wherein the hole center spacing between two adjacent hole bodies is L, and L satisfies 4mm≤L≤6mm.

[0015] In some embodiments, the tooth height, the tooth top width and the tooth root width of the tooth-shaped structure are C1, C2 and C3 in sequence, wherein C1 satisfies 2.5mm≤C1≤4mm, C2 satisfies 5mm≤C2≤6.5mm, and C3 satisfies 7mm≤C3≤9mm.

[0016] In some embodiments, the opening is a cylindrical hole, and the hole diameter and the hole depth of the opening are K1 and K2 in sequence, wherein K1 satisfies 1mm≤K1≤2mm, and K2 satisfies 2mm≤K2≤4mm.

[0017] In some embodiments, the intermediate layer further comprises a buffer layer, the buffer layer is located between the toothed layer and the second aramid layer, and the buffer layer connects the toothed layer and the second aramid layer.

[0018] In some embodiments, the material of the buffer layer is ethylene propylene diene rubber, and / or the material of the toothed layer is polyurethane, and / or the material of the solid lubricant is molybdenum disulfide.

[0019] The second aspect of the embodiment of the utility model provides a production line, comprising:

[0020] The synchronous belt described in the above embodiment, wherein the synchronous belt is used for conveying the workpiece;

[0021] The processing device is used for processing the workpiece.

[0022] Compared with the prior art, the utility model has the beneficial effects of:

[0023] In this invention, a synchronous belt is used to transport the workpiece. The synchronous belt includes a first aramid layer, an intermediate layer, and a second aramid layer. In related technologies, synchronous belts made of wool felt can partially alleviate the problem of belt marks on the glass sharding table. However, due to temperature fluctuations of ±20℃ in the glass outlet area, the wool felt fibers melt and adhere to the glass surface at instantaneous high temperatures, resulting in approximately 15% of the finished glass surfaces having continuous indentations with a width of 0.2mm-0.4mm. Therefore, existing synchronous belts cannot meet the glass transport quality requirements. In this solution, the first aramid layer is used to contact the workpiece. Because aramid material has good high-temperature resistance and wear resistance, it can effectively prevent the synchronous belt from softening and debris from contaminating the workpiece, ensuring that the workpiece surface is scratch-free and meeting the workpiece quality requirements. Furthermore, the intermediate layer in this solution connects to the first aramid layer and is stacked with it. The second aramid layer is connected to the intermediate layer and is spaced apart from the intermediate layer. The second aramid layer is located on the side of the intermediate layer away from the first aramid layer. That is, the synchronous belt adopts a multi-layer composite structure, which can ensure the structural strength of the synchronous belt, improve the tensile strength and load capacity of the synchronous belt, and achieve the synergistic function of high strength, high temperature resistance and low vibration. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 This is a cross-sectional view of the synchronous belt along its thickness direction in one embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the toothed layer in one embodiment of the present invention.

[0027] Explanation of icon numbers:

[0028] Synchronous belt 10;

[0029] First aramid layer 100; First sidewall 110;

[0030] Intermediate layer 200; toothed layer 210; pore body 211; toothed structure 212; buffer layer 220;

[0031] The second aramid layer is 300.

[0032] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] The synchronous belt is used for conveying workpieces. The applicant finds that the synchronous belt of the cleaving table is made of rubber or nylon material, but the rubber or nylon material has poor high-temperature resistance, so that the synchronous belt is prone to softening at high temperature (above 120 DEG C), thereby causing the workpieces such as tempered glass or semiconductor conveyed to leave marks.

[0035] The applicant verifies through production experiments that the synchronous belt made of wool felt material can partially alleviate the belt mark problem of the cleaving table, but due to the temperature fluctuation of ±20 DEG C in the glass air outlet grid area, the wool felt fibers are fused and adhered to the glass surface at the moment of high temperature, so that about 15% of the finished glass surfaces still have continuous indentation with a width of 0.2mm-0.4mm, that is, the existing synchronous belt cannot meet the conveying quality requirements of the glass. Specifically, the continuous indentation is clearly visible under the ISO 10077 standard test conditions (2m observation distance), and the defect significantly reduces the optical performance and A-grade yield of the glass.

[0036] Therefore, the first aspect of the utility model provides a synchronous belt 10, which is used for conveying workpieces and can meet the conveying quality requirements of the workpieces. It should be noted that the workpieces can be glass or semiconductor, and the embodiments of the application take the glass as an example for description. Below, with reference to Figure 1 and Figure 2 The synchronous belt 10 of the embodiments of the application is introduced. Specifically, the synchronous belt 10 comprises a first aramid layer 100, an intermediate layer 200 and a second aramid layer 300.

[0037] With reference to Figure 1 , the first aramid layer 100 is used for abutting against the workpiece, that is, the workpiece can be placed on the first aramid layer 100 for conveying operation. It can be understood that the first aramid layer 100 can be made of aramid material, and the aramid material has a long-term temperature resistance of 200 DEG C, which is higher than that of rubber (120 DEG C), that is, the first aramid layer 100 can meet the requirements of tempered glass post-processing (120 DEG C) and semiconductor wafer transmission (150 DEG C), avoiding the aging of the belt surface in a high-temperature or high-friction environment, which causes the tooth-shaped deformation to affect the transmission accuracy. It should be noted that due to the absence of rubber additives on the surface of the first aramid layer 100, the surface is smooth (Ra≤0.8μm), which can avoid scratching the glass or contaminating the wafer.

[0038] With reference toFigure 1 The intermediate layer 200 is used to connect the first aramid layer 100 and the second aramid layer 300. Specifically, the intermediate layer 200 can be connected with the first aramid layer 100 and the second aramid layer 300 through a double-component adhesive (such as epoxy resin). It should be noted that in some embodiments, the intermediate layer 200 can be a single-layer connecting layer. In other embodiments, the intermediate layer 200 can also be a multi-layer connecting layer, and the embodiments of the present application take the intermediate layer 200 as a multi-layer connecting layer as an example for description. It can be understood that the intermediate layer 200 is arranged in a stacked manner with the first aramid layer 100.

[0039] Referring to Figure 1 The second aramid layer 300 is used to support the intermediate layer 200 and the first aramid layer 100. In some embodiments, the material composition and structure of the second aramid layer 300 are the same as those of the first aramid layer 100. In other embodiments, the material composition and structure of the second aramid layer 300 are different from those of the first aramid layer 100. The embodiments of the present application take the case where the material composition and structure of the second aramid layer 300 are the same as those of the first aramid layer 100 as an example for description. The second aramid layer 300 can be connected with the intermediate layer 200 and arranged in a stacked manner with the intermediate layer 200. The second aramid layer 300 is located on the side of the intermediate layer 200 away from the first aramid layer 100. Referring to Figure 1 In terms of orientation, the first aramid layer 100 can be located on the upper side of the intermediate layer 200, and the second aramid layer 300 can be located on the lower side of the intermediate layer 200.

[0040] In the technical scheme of the present application, the synchronous belt 10 is used to convey workpieces. The synchronous belt 10 includes a first aramid layer 100, an intermediate layer 200, and a second aramid layer 300. In related technologies, the synchronous belt 10 adopts wool felt material to partially alleviate the problem of split table belt printing, but due to the temperature fluctuation of ±20℃ in the glass air outlet grid area, the wool felt fibers melt and adhere to the glass surface under instantaneous high temperature, so that about 15% of the finished glass surfaces still have continuous indentations with a width of 0.2mm-0.4mm. That is, the existing synchronous belt cannot meet the conveying quality requirements of glass. The first aramid layer 100 of the present scheme is used to abut against the workpiece, and the aramid material has good high-temperature resistance and wear resistance, that is, it can effectively avoid the softening of the synchronous belt 10 and the situation of debris contaminating the workpiece, ensuring that the surface of the workpiece will not have scratches and meeting the quality requirements of the workpiece. Moreover, the intermediate layer 200 of the present scheme connects the first aramid layer 100 and is arranged in a stacked manner with the first aramid layer 100. The second aramid layer 300 connects the intermediate layer 200 and is arranged in a stacked manner with the intermediate layer 200, and the second aramid layer 300 is located on the side of the intermediate layer 200 away from the first aramid layer 100, that is, the synchronous belt 10 adopts a multi-layer composite structure, which can guarantee the structural strength of the synchronous belt 10, improve the tensile strength and load capacity of the synchronous belt 10, and realize the cooperative functions of high strength, high temperature resistance, and low vibration.

[0041] In some embodiments, along the thickness direction of the synchronization belt 10, referring to Figure 1 In terms of orientation, i.e., along the vertical direction, the first aramid layer 100 has a first sidewall 110, which can be the sidewall of the synchronous belt 10 facing away from the intermediate layer 200. The first sidewall 110 is suitable for being coated with a ceramic coating or a polytetrafluoroethylene coating. It is understood that the ceramic coating can be a nano-ceramic coating. It should be noted that the coating can cover a part of the first sidewall 110 or the entire area of ​​the first sidewall 110. In this embodiment, the example is that the coating can cover the entire area of ​​the first sidewall 110. By coating the first sidewall 110 with the above-mentioned coating, the workpiece to be conveyed can directly contact the coating, which can effectively improve the wear resistance and high temperature resistance of the synchronous belt 10 and avoid the situation of debris contaminating the workpiece.

[0042] Reference Figure 1 The dimensions of the first aramid layer 100 are described below. In some embodiments, the thickness of the first aramid layer 100 is H1. H1 satisfies the condition: 3mm ≤ H1 ≤ 4mm. Exemplarily, H1 can be 3mm, 3.2mm, 3.25mm, 3.5mm, 3.7mm, 3.9mm, or 4mm, etc. This embodiment uses H1 of 3.5mm as an example for illustration. The first aramid layer 100 of this solution adopts the above-described dimensions, which avoids both excessively thick layers leading to high material costs and excessively thin layers leading to poor strength.

[0043] The thickness setting of the coating of the first aramid layer 100 is described below. In some embodiments, the thickness of the ceramic coating or the polytetrafluoroethylene coating is H2. Wherein, H2 satisfies: 2μm ≤ H1 ≤ 5μm. Exemplarily, H2 can be 2μm, 2.5μm, 2.9μm, 3μm, 3.4μm, 3.8μm, 4μm, 4.6μm, or 5μm, etc. It should be noted that the coefficient of friction of the nano-ceramic coating can be less than or equal to 0.15. The coating thickness setting of this solution avoids both excessively thick coatings leading to high material costs and excessively thin coatings leading to poor strength.

[0044] Reference Figure 2The specific configuration of the toothed layer 210 is described below. In some embodiments, the intermediate layer 200 comprises the toothed layer 210. The toothed layer 210 is used to connect the first aramid layer 100, and specifically, the toothed layer 210 can be bonded with the first aramid layer 100. The toothed layer 210 is provided with hole bodies 211 adapted to be filled with solid lubricant. The toothed layer 210 is provided with a tooth-shaped structure 212 spaced from the hole bodies 211. The toothed layer 210 of the present scheme is provided with hole bodies 211 filled with solid lubricant, which can reduce friction, and the hole bodies 211 can disperse the stress of the toothed layer 210, thereby improving the overall strength and toughness of the toothed layer 210.

[0045] Referring to Figure 2 The structure of the toothed layer 210 is described below. In some embodiments, the toothed layer 210 comprises a plurality of hole bodies 211, and the specific number of hole bodies 211 can be determined according to actual conditions. It can be understood that the shape and size of each hole body 211 can be the same, which facilitates processing. It should be noted that each hole body 211 in the plurality of hole bodies 211 can be arranged spaced from each other. The center distance between the adjacent two hole bodies 211 is L, wherein L satisfies: 4mm≤L≤6mm. Exemplarily, L can be 4mm, 4.2mm, 4.5mm, 4.8mm, 5mm, 5.3mm, 5.5mm, 5.7mm or 6mm, etc. The embodiments of the present application take L as 5mm for example. The hole body 211 of the present scheme can be a cylindrical hole, which can facilitate precise manufacturing by mold injection molding. The plurality of hole bodies 211 are uniformly distributed, and the center distance between the adjacent two hole bodies 211 is L, which can ensure that the mechanical properties of the toothed layer 210 remain consistent in each region, and facilitate the transmission of force and torque during conveying.

[0046] Referring to Figure 2 In some embodiments, the tooth height, tooth top width and tooth root width of the tooth-shaped structure 212 are C1, C2 and C3 in sequence. Wherein, C1 satisfies: 2.5mm≤C1≤4mm. Exemplarily, C1 can be 2.5mm, 2.9mm, 3mm, 3.2mm, 3.5mm, 3.8mm or 4mm, etc. The embodiments of the present application take C1 as 3.5mm for example. C2 satisfies: 5mm≤C2≤6.5mm. Exemplarily, C2 can be 5mm, 5.3mm, 5.5mm, 5.8mm, 6mm, 6.2mm or 6.5mm, etc. The embodiments of the present application take C2 as 6mm for example. C3 satisfies: 7mm≤C3≤9mm. Exemplarily, C3 can be 7mm, 7.2mm, 7.5mm, 7.9mm, 8.2mm, 8.5mm, 8.8mm or 9mm, etc. The embodiments of the present application take C3 as 8mm for example.

[0047] Referring to Figure 2 In some embodiments, the opening is a cylindrical hole, which has advantages in mechanical properties, can uniformly disperse stress in all directions, and improve the overall strength and toughness of the toothed layer 210. The hole diameter and hole depth of the opening are K1 and K2, respectively. K1 satisfies 1mm≤K1≤2mm. For example, K1 can be 1mm, 1.2mm, 1.3mm, 1.5mm, 1.7mm, 1.9mm or 2mm, etc. In the embodiments of the present application, K1 is taken as 1.5mm for example. Through experiments and application tests, it is found that the above setting of K1 can guarantee the integrity of the toothed layer 210 structure, reduce the weight of the synchronous belt 10, and improve the friction characteristics between the toothed layer 210 and other components. K2 satisfies 2mm≤K2≤4mm. For example, K2 can be 2mm, 2.2mm, 2.5mm, 2.7mm, 2.9mm, 3mm, 3.4mm, 3.5mm, 3.7mm or 4mm, etc. In the embodiments of the present application, K2 is taken as 3mm for example. The above setting of the hole depth can make the hole body 211 fully play a role and avoid excessive impact on the overall bearing capacity of the toothed layer 210.

[0048] Referring to Figure 1 In some embodiments, the intermediate layer 200 further comprises a buffer layer 220, which can realize the buffering of the synchronous belt 10. Specifically, the buffer layer 220 is located between the toothed layer 210 and the second aramid layer 300, and the buffer layer 220 connects the toothed layer 210 and the second aramid layer 300. The buffer layer 220 of the present scheme can absorb the impact vibration of the synchronous belt 10, and ensure the stability and reliability of the workpiece conveying.

[0049] In some embodiments, the material of the buffer layer 220 can be ethylene propylene diene rubber. In other embodiments, the material of the toothed layer 210 can be polyurethane, specifically, the material of the toothed layer 210 can be modified polyurethane (Shore A 90±5). In other embodiments, the material of the solid lubricant can be molybdenum disulfide.

[0050] The utility model discloses a second aspect embodiment proposes a production line, and the production line includes the synchronous belt 10 with processing device of above -mentioned embodiment. Among them, the synchronous belt 10 is used to convey workpiece. Processing device is used to handle workpiece. The first aramid layer 100 of the first scheme is used to abut workpiece, and because the high temperature resistance and wear resistance of aramid material are good, namely can effectively avoid the situation that synchronous belt 10 softens and the chip pollutes workpiece, ensure that the scratch will not appear on workpiece surface, satisfy the quality requirement of workpiece. And, the intermediate layer 200 of the scheme is connected first aramid layer 100 and with first aramid layer 100 laminated arrangement. The second aramid layer 300 is connected intermediate layer 200 and with intermediate layer 200 laminated arrangement, and the second aramid layer 300 is located the side of intermediate layer 200 deviating from first aramid layer 100, namely synchronous belt 10 adopts multilayer composite structure, can guarantee the structural strength of synchronous belt 10, promotes the tensile strength and load capacity of synchronous belt 10, realizes the synergistic function of high strength, high temperature resistance and low vibration.

[0051] It should be noted that if the embodiment of the utility model has the directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directionality indication also changes accordingly.

[0052] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the utility model.

[0053] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawings contents, or directly / indirectly applied in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A timing belt for conveying workpieces, characterized in that The synchronous belt comprises: a first aramid layer adapted to abut the workpiece; an intermediate layer connected to and laminated with the first aramid layer; a second aramid layer connected to and laminated with the intermediate layer, the second aramid layer being located on a side of the intermediate layer away from the first aramid layer.

2. The synchronous belt of claim 1, wherein: in a thickness direction of the synchronous belt, the first aramid layer comprises a first side wall away from the intermediate layer, the first side wall being adapted to be coated with a ceramic coating or a polytetrafluoroethylene coating.

3. The synchronous belt of claim 2, wherein: a thickness of the first aramid layer is H1, wherein H1 satisfies 3mm≤H1≤4mm; and / or, the first side wall is adapted to be coated with a ceramic coating or a polytetrafluoroethylene coating, a thickness of the ceramic coating or the polytetrafluoroethylene coating being H2, wherein H2 satisfies 2μm≤H1≤5μm.

4. The synchronous belt of claim 1, wherein: the intermediate layer comprises a toothed layer for connecting the first aramid layer, the toothed layer being provided with a hole body adapted to be filled with a solid lubricant, the toothed layer being provided with a tooth-shaped structure, the tooth-shaped structure being spaced apart from the hole body.

5. The synchronous belt of claim 4, wherein: the toothed layer comprises a plurality of the hole bodies, each of the hole bodies being arranged spaced apart from each other, wherein a hole center spacing between two adjacent hole bodies is L, wherein L satisfies 4mm≤L≤6mm.

6. The synchronous belt of claim 4, wherein: a tooth height, a tooth top width and a tooth root width of the tooth-shaped structure are C1, C2 and C3 in sequence, wherein C1 satisfies 2.5mm≤C1≤4mm; C2 satisfies 5mm≤C2≤6.5mm; and C3 satisfies 7mm≤C3≤9mm.

7. The synchronous belt of claim 4, wherein: the hole body is a cylindrical hole, a hole diameter and a hole depth of the hole body are K1 and K2 in sequence, wherein K1 satisfies 1mm≤K1≤2mm; and K2 satisfies 2mm≤K2≤4mm.

8. The synchronous belt of claim 4, wherein: the intermediate layer further comprises a buffer layer, the buffer layer being located between the toothed layer and the second aramid layer, and the buffer layer connecting the toothed layer and the second aramid layer.

9. The synchronous belt of claim 8, wherein: a material of the buffer layer is ethylene-propylene-diene rubber; and / or, a material of the toothed layer is polyurethane; and / or, a material of the solid lubricant is molybdenum disulfide.

10. A production line, characterised in that comprises: the synchronous belt of any one of claims 1-9, wherein the synchronous belt is used for conveying the workpiece; a processing device for processing the workpiece.

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