Anti-static PU spiral synchronous belt and preparation method thereof
阅读说明：本技术 一种防静电pu螺旋同步带及其制备方法 (Anti-static PU spiral synchronous belt and preparation method thereof ) 是由 戴均鑫 于 2020-06-12 设计创作，主要内容包括：本发明公开了一种防静电PU螺旋同步带及其制备方法,涉及同步带技术领域,为解决现有的防静电PU螺旋同步带结构强度较低,导致抗拉伸能力较低,易变形的问题。所述聚氨酯同步带上主体的下方设置有聚氨酯同步带下主体,所述聚氨酯同步带下主体和聚氨酯同步带上主体之间的内侧安装有加强芯,所述聚氨酯同步带上主体的外表面设置有耐磨层,所述耐磨层的外侧设置有第一防静电层,所述耐磨层与聚氨酯同步带上主体和第一防静电层固定连接,所述聚氨酯同步带下主体的外表面设置有第二防静电层,所述第二防静电层与聚氨酯同步带下主体固定连接。(The invention discloses an anti-static PU spiral synchronous belt and a preparation method thereof, relates to the technical field of synchronous belts, and aims to solve the problems of low tensile resistance and easy deformation caused by low strength of the existing anti-static PU spiral synchronous belt structure. The polyurethane synchronous belt comprises a polyurethane synchronous belt upper main body, a polyurethane synchronous belt lower main body, a reinforcing core, a wear-resistant layer, a first anti-static layer, a second anti-static layer and a polyurethane synchronous belt lower main body, wherein the polyurethane synchronous belt lower main body is arranged below the polyurethane synchronous belt upper main body, the reinforcing core is arranged on the inner side between the polyurethane synchronous belt lower main body and the polyurethane synchronous belt upper main body, the outer surface of the polyurethane synchronous belt upper main body is provided with the wear-resistant layer, the outer side of the wear-resistant layer is provided with the first anti-static layer, the wear-resistant layer is fixedly connected with the polyurethane synchronous belt upper main body and the first anti-static layer, the.)
1. The utility model provides an prevent static PU spiral hold-in range, includes main part (3) on the polyurethane hold-in range, its characterized in that: the polyurethane synchronous belt is characterized in that a polyurethane synchronous belt lower main body (1) is arranged below the polyurethane synchronous belt upper main body (3), a reinforcing core (2) is arranged on the inner side between the polyurethane synchronous belt lower main body (1) and the polyurethane synchronous belt upper main body (3), a wear-resistant layer (4) is arranged on the outer surface of the polyurethane synchronous belt upper main body (3), a first anti-static layer (5) is arranged on the outer side of the wear-resistant layer (4), the wear-resistant layer (4) is fixedly connected with the polyurethane synchronous belt upper main body (3) and the first anti-static layer (5), a second anti-static layer (6) is arranged on the outer surface of the polyurethane synchronous belt lower main body (1), and the second anti-static layer (6) is fixedly connected with the polyurethane synchronous belt lower main body (1).
2. The anti-static PU spiral synchronous belt according to claim 1, wherein: the inside of main part (1) upper end is provided with mounting groove (11) under the synchronous belt of polyurethane, the internally mounted of mounting groove (11) has reinforcing net (7), reinforcing net (7) are connected with synchronous belt lower main part (1) cementing of polyurethane.
3. The anti-static PU spiral synchronous belt according to claim 2, wherein: the glass fiber reinforced plastic composite material is characterized in that the reinforcing net (7) is provided with a plurality of glass fibers (71), and the reinforcing net (7) is formed by twisting and weaving a plurality of glass fibers (71).
4. The anti-static PU spiral synchronous belt according to claim 2, wherein: the reinforcing net (7) is of a hexagonal net structure.
5. The anti-static PU spiral synchronous belt according to claim 1, wherein: the upper end of the upper main body (3) of the polyurethane synchronous belt is provided with a plurality of belt teeth (31), the belt teeth (31) are distributed in sequence, and grooves (32) are formed between the adjacent belt teeth (31).
6. The anti-static PU spiral synchronous belt according to claim 1, wherein: the reinforcing cores (2) are installed in a plurality of numbers, and the reinforcing cores (2) are arranged in sequence.
7. The anti-static PU spiral synchronous belt according to claim 5, wherein: the belt teeth (31) and the upper main body (3) of the polyurethane synchronous belt are of an integrally formed structure.
8. The anti-static PU spiral synchronous belt according to claim 1, wherein: the lower main body (1) of the polyurethane synchronous belt and the upper main body (3) of the polyurethane synchronous belt are of an integrally formed structure.
9. The preparation method of the anti-static PU spiral synchronous belt is characterized by comprising the following steps:
the method comprises the following steps: the anti-static PU spiral synchronous belt is prepared from various raw materials in complete proportions by weight;
step two: after the ingredients are completely prepared, putting the ingredients into production equipment, uniformly mixing the ingredients through heating and stirring, and reacting for a period of time to obtain the required rubber material;
step three: injecting a proper amount of produced sizing material into a production mold to form an inverted upper main body (3) of the polyurethane synchronous belt, sequentially placing a plurality of reinforcing cores (2) above the upper main body (3) of the polyurethane synchronous belt according to an arrangement sequence, placing a reinforcing net (7) above the reinforcing cores (2), and then continuously injecting a proper amount of sizing material into the mold to form a lower main body (1) of the polyurethane synchronous belt;
step five: after the injection is finished, the whole die is moved into a vulcanizing machine for high-temperature vulcanization and fixed molding;
step six: after the fixing and forming are finished, taking out the die and cooling;
step seven: after cooling, taking the molded synchronous belt out of the mold;
step eight: cutting redundant waste materials at the edge of the synchronous belt to obtain the synchronous belt with a smooth and attractive appearance;
step nine: the wear-resistant layer (4) is arranged on the outer surface of the upper main body (3) of the polyurethane synchronous belt, the first anti-static layer (5) is arranged on the outer surface of the wear-resistant layer (4), and the second anti-static layer (6) is arranged on the outer surface of the lower main body (1) of the polyurethane synchronous belt.
Technical Field
The invention relates to the technical field of synchronous belts, in particular to an anti-static PU spiral synchronous belt and a preparation method thereof.
Background
The PU spiral synchronous belt is a circular belt which is made of an imported thermoplastic polyurethane material and is provided with tooth-shaped rings at equal intervals on the inner peripheral surface, and the PU spiral synchronous belt has high abrasion resistance. The transmission mechanism formed by meshing with the wheel integrates the advantages of belt transmission, chain transmission and gear transmission. When the transmission mechanism rotates, the belt teeth are meshed with the tooth grooves of the wheels to transmit power, the transmission mode has accurate transmission ratio and no slip, and the transmission mechanism has the advantages of stable transmission, vibration absorption, low noise, large transmission ratio range and high transmission efficiency, and is suitable for multi-shaft transmission without lubrication and pollution. Therefore, the transmission device is applied to various types of mechanical transmission in various industries such as textile, machine tools, tobacco, communication cables, light industry, chemical industry, metallurgy, instrument instruments, food, mines, petroleum, automobiles and the like. Antistatic PU spiral hold-in range adds antistatic backing on original basis at the internal surface of the area body and surface, can avoid at long-time operation in-process through antistatic backing, and the hold-in range is on fire because of the friction produces static, influences the problem of the security of mechanical equipment operation.
However, the existing anti-static PU spiral synchronous belt has low structural strength, low tensile resistance and easy deformation, so that the existing requirements are not met, and the anti-static PU spiral synchronous belt and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide an anti-static PU spiral synchronous belt and a preparation method thereof, and aims to solve the problems that the anti-static PU spiral synchronous belt provided in the background art is low in structural strength, low in tensile resistance and easy to deform.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an prevent static PU spiral hold-in range, includes polyurethane synchronous belt upper main part, the below of main part is provided with polyurethane synchronous belt lower main part on the polyurethane synchronous belt, polyurethane synchronous belt lower main part and polyurethane synchronous belt upper main part between the inboard install the enhancement core, the surface of main part is provided with the wearing layer on the polyurethane synchronous belt, the outside of wearing layer is provided with first antistatic backing, main part and first antistatic backing fixed connection on wearing layer and the polyurethane synchronous belt, the surface of polyurethane synchronous belt lower main part is provided with the second antistatic backing, second antistatic backing and polyurethane synchronous belt lower main part fixed connection.
Preferably, the inside of main part upper end is provided with the mounting groove under the synchronous belt of polyurethane, the internally mounted of mounting groove has the reinforcing mat, reinforcing mat and the synchronous belt of polyurethane lower main part cementing are connected.
Preferably, the reinforcing net is provided with a plurality of glass fibers, and the reinforcing net is formed by twisting and weaving a plurality of glass fibers.
Preferably, the reinforcing mesh is arranged in a hexagonal mesh structure.
Preferably, the upper end of the polyurethane synchronous belt upper main body is provided with a plurality of belt teeth, the belt teeth are distributed in sequence, and a groove is formed between every two adjacent belt teeth.
Preferably, the reinforcing cores are provided with a plurality of reinforcing cores, and the plurality of reinforcing cores are arranged in sequence.
Preferably, a plurality of the belt teeth and the upper main body of the polyurethane synchronous belt are of an integrally formed structure.
Preferably, the lower main body of the polyurethane synchronous belt and the upper main body of the polyurethane synchronous belt are of an integrally molded structure.
A preparation method of an anti-static PU spiral synchronous belt comprises the following steps:
the method comprises the following steps: the anti-static PU spiral synchronous belt is prepared from various raw materials in complete proportions by weight;
step two: after the ingredients are completely prepared, putting the ingredients into production equipment, uniformly mixing the ingredients through heating and stirring, and reacting for a period of time to obtain the required rubber material;
step three: injecting a proper amount of produced rubber material into a production mold to form an inverted upper main body of the polyurethane synchronous belt, sequentially placing a plurality of reinforcing cores above the upper main body of the polyurethane synchronous belt according to the arrangement sequence, placing a reinforcing net above the reinforcing cores, and then continuously injecting a proper amount of rubber material into the mold to form a lower main body of the polyurethane synchronous belt;
step five: after the injection is finished, the whole die is moved into a vulcanizing machine for high-temperature vulcanization and fixed molding;
step six: after the fixing and forming are finished, taking out the die and cooling;
step seven: after cooling, taking the molded synchronous belt out of the mold;
step eight: cutting redundant waste materials at the edge of the synchronous belt to obtain the synchronous belt with a smooth and attractive appearance;
step nine: the wear-resistant layer is arranged on the outer surface of the upper main body of the polyurethane synchronous belt, the first anti-static layer is arranged on the outer surface of the wear-resistant layer, and the second anti-static layer is arranged on the outer surface of the lower main body of the polyurethane synchronous belt.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the wear-resistant layer is additionally arranged on the outer surface of the main body of the polyurethane synchronous belt and is formed by weaving ceramic fibers, the ceramic fibers have the advantages of light weight, high temperature resistance, good thermal stability, wear resistance, small specific heat, mechanical vibration resistance and the like, the wear resistance and the heat resistance of the synchronous belt can be increased, the plurality of sequentially arranged reinforcing cores are additionally arranged in the main body of the polyurethane synchronous belt, the reinforcing cores are made of nickel-titanium alloy, and the nickel-titanium alloy is a shape memory alloy, has good deformation recovery capability, and has the excellent characteristics of good wear resistance, corrosion resistance, high damping, superelasticity and the like. Therefore, the structural strength of the anti-static PU spiral synchronous belt is integrally improved, the anti-stretching capacity of the anti-static PU spiral synchronous belt is improved, and the anti-static PU spiral synchronous belt is not easy to deform and wear after being used for a long time, so that the service life is prolonged, and the maintenance cost is also reduced.
2. According to the invention, the installation groove is formed in the upper end of the lower main body of the polyurethane synchronous belt, the reinforcing net is installed in the installation groove, the reinforcing net is formed by weaving glass fibers, and the glass fibers have the characteristics of high tensile strength, high elastic coefficient, good rigidity, large impact energy absorption and the like. Meanwhile, the reinforcing net is formed by twisting and weaving the glass fibers into a hexagonal net shape, and the hexagonal net structure is good in strength, good in tensile resistance, not easy to damage and beneficial to long-term use.
Drawings
FIG. 1 is a front cross-sectional view of an anti-static PU spiral synchronous belt and a preparation method thereof according to the present invention;
FIG. 2 is a side sectional view of an anti-static PU spiral synchronous belt and a preparation method thereof according to the present invention;
FIG. 3 is an enlarged view of a portion of the reinforcing mesh of the present invention;
FIG. 4 is a schematic structural view of a lower body of the polyurethane synchronous belt of the present invention;
FIG. 5 is a schematic flow chart of a method for manufacturing the anti-static PU spiral synchronous belt of the present invention.
In the figure: 1. a polyurethane synchronous belt lower main body; 11. mounting grooves; 2. a reinforcing core; 3. a polyurethane synchronous belt upper main body; 31. toothed; 32. a groove; 4. a wear layer; 5. a first antistatic layer; 6. a second antistatic layer; 7. a reinforcing mesh; 71. glass fibers.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: an anti-static PU spiral synchronous belt comprises a polyurethane synchronous belt upper main body 3, a polyurethane synchronous belt lower main body 1 is arranged below the polyurethane synchronous belt upper main body 3, a reinforcing core 2 is arranged on the inner side between the polyurethane synchronous belt lower main body 1 and the polyurethane synchronous belt upper main body 3, the reinforcing core 2 is made of nickel-titanium alloy, is a shape memory alloy and has good anti-stretching effect, further the integral structural strength of the anti-static PU spiral synchronous belt is improved, the anti-static PU spiral synchronous belt is not easy to deform after long-term use, a wear-resistant layer 4 is arranged on the outer surface of the polyurethane synchronous belt upper main body 3, the wear-resistant layer 4 is formed by weaving ceramic fibers, has higher wear resistance and heat insulation effect, the service life of the anti-static PU spiral synchronous belt can be prolonged, a first
Further, the inside of the synchronous lower main part 1 upper end of polyurethane is provided with mounting groove 11, and mounting groove 11 has limiting displacement to the installation of reinforcing mesh 7 to can improve the stability and the fastness of reinforcing mesh 7 installation, the internally mounted of mounting groove 11 has reinforcing mesh 7, and reinforcing mesh 7 is connected with the synchronous lower main part 1 cementing of polyurethane, can connect the xenogenesis material, and joint strength is high, and is fixed firm, and the quality is light.
Furthermore, the reinforcing net 7 is provided with the
Further, the reinforcing net 7 is arranged to be a hexagonal net structure, so that the structure is high in strength, good in tensile resistance and not prone to deformation.
Further, the upper end of the upper main body 3 of the polyurethane synchronous belt is provided with a plurality of
Further, a plurality of is installed to the reinforcement core 2, and a plurality of reinforcement core 2 arranges in proper order, and the distribution is even, improves structural strength and stretch-proofing ability.
Furthermore, the main body 3 is an integrated structure on a plurality of
Furthermore, the lower main body 1 of the polyurethane synchronous belt and the upper main body 3 of the polyurethane synchronous belt are of an integrally formed structure, the integrity is good, the strength of the joint is high, and the polyurethane synchronous belt is not easy to crack.
A preparation method of an anti-static PU spiral synchronous belt comprises the following steps:
the method comprises the following steps: the anti-static PU spiral synchronous belt is prepared from various raw materials in complete proportions by weight;
step two: after the ingredients are completely prepared, putting the ingredients into production equipment, uniformly mixing the ingredients through heating and stirring, and reacting for a period of time to obtain the required rubber material;
step three: injecting a proper amount of produced sizing material into a production mold to form an inverted upper main body 3 of the polyurethane synchronous belt, sequentially placing a plurality of reinforcing cores 2 above the upper main body 3 of the polyurethane synchronous belt according to the arrangement sequence, placing a reinforcing net 7 above the reinforcing cores 2, and then continuously injecting a proper amount of sizing material into the mold to form a lower main body 1 of the polyurethane synchronous belt;
step five: after the injection is finished, the whole die is moved into a vulcanizing machine for high-temperature vulcanization and fixed molding, wherein the vulcanization temperature can be set between one hundred eighty degrees and two hundred degrees centigrade, and the vulcanization time can be set between thirty minutes and forty minutes;
step six: after the fixing and forming are finished, taking out the die for cooling, and reducing the temperature of the die to be lower than twenty-five ℃ by adopting a water cooling mode;
step seven: after cooling, taking the molded synchronous belt out of the mold;
step eight: cutting redundant waste materials at the edge of the synchronous belt to obtain the synchronous belt with a smooth and attractive appearance;
step nine: the wear-resistant layer 4 is arranged on the outer surface of the upper main body 3 of the polyurethane synchronous belt, the first
The working principle is as follows: when in use, the antistatic PU spiral synchronous belt is prepared from various raw materials in complete proportion by weight; after the ingredients are completely prepared, putting the ingredients into production equipment, uniformly mixing the ingredients through heating and stirring, and reacting for a period of time to obtain the required rubber material; injecting a proper amount of produced sizing material into a production mould to form an inverted upper main body 3 of the polyurethane synchronous belt, sequentially placing a plurality of reinforcing cores 2 above the upper main body 3 of the polyurethane synchronous belt according to an arrangement sequence, wherein the nickel-titanium alloy adopted by the reinforcing cores 2 is a shape memory alloy, has good capability of recovering deformation, and has excellent characteristics of good abrasion resistance, corrosion resistance, high damping, super elasticity and the like, thereby integrally enhancing the structural strength and tensile resistance of the anti-static PU spiral synchronous belt, placing a reinforcing net 7 above the reinforcing cores 2, weaving the reinforcing net 7 by glass fibers 71, and matching the glass fibers 71 with the reinforcing cores 2 to further improve the integral structural strength and tensile resistance of the anti-static PU spiral synchronous belt, the long-term use of the novel hexagonal net is not easy to deform and wear, the service life is prolonged, meanwhile, the reinforcing net 7 is formed by twisting and weaving the glass fibers 71 into a hexagonal net shape, the strength of the hexagonal net structure is good, the tensile resistance is good, and the novel hexagonal net structure is not easy to damage; then, continuously injecting a proper amount of rubber material into the mold to form a lower main body 1 of the polyurethane synchronous belt; after the injection is finished, the whole die is moved into a vulcanizing machine for high-temperature vulcanization and fixed molding; after the fixing and forming are finished, taking out the die and cooling; after cooling, taking the molded synchronous belt out of the mold; cutting redundant waste materials at the edge of the synchronous belt to obtain the synchronous belt with a smooth and attractive appearance; set up wearing layer 4 the surface of main part 3 on the polyurethane synchronous belt, wearing layer 4 is woven by ceramic fiber and is formed, light in weight has, high temperature resistant, the thermostability is good, it is wear-resisting, advantages such as specific heat is little and resistant mechanical oscillation, can improve antistatic PU spiral hold-in range holistic wearability and heat resistance, increase of service life, set up first antistatic backing 5 at wearing layer 4's surface, set up second antistatic backing 6 at polyurethane synchronous belt lower part main part 1's surface, first antistatic backing 5 and second antistatic backing 6 adopt antistatic cloth, have high-efficiently, permanent antistatic and dustproof performance, can avoid the condition because of frictional static fires.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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