阅读说明：本技术 形变回塑性强的机器人拖链线缆及制备方法 (Robot drag chain cable with strong deformation plasticity and preparation method thereof ) 是由 吴东霖 于 2021-11-25 设计创作，主要内容包括：本发明涉及拖链线缆技术领域,具体地说,涉及形变回塑性强的机器人拖链线缆及制备方法。其包括以下质量份的原料：基体树脂15-25份、基体橡胶45-65份、回塑改性剂3-6份、交联剂1-3份、硫化剂1-2份、固化剂2-4份、促进剂1-2份、稳定剂1-2份；回塑改性剂至少包括：苯乙烯与丁二烯、乙酸乙烯和辛烯中的至少一种或多种混合,该拖链线缆及制备方法中将高苯乙烯树脂中加入回塑改性剂,使高苯乙烯树脂内部的乙烯链段被辛烯替代形成弹性的软段,提高了高苯乙烯树脂的弹性性能,且回塑改性剂具有明显的弹性回溯性,可有效改善高苯乙烯树脂得弹性回溯性。(The invention relates to the technical field of drag chain cables, in particular to a robot drag chain cable with strong deformation plasticity and a preparation method thereof. The composite material comprises the following raw materials in parts by mass: 15-25 parts of matrix resin, 45-65 parts of matrix rubber, 3-6 parts of a plastic recovery modifier, 1-3 parts of a cross-linking agent, 1-2 parts of a vulcanizing agent, 2-4 parts of a curing agent, 1-2 parts of an accelerator and 1-2 parts of a stabilizer; the plastic recovery modifier at least comprises: the back-molding modifier is added into the high styrene resin in the preparation method, so that an ethylene chain segment in the high styrene resin is replaced by the octene to form an elastic soft segment, the elastic property of the high styrene resin is improved, the back-molding modifier has obvious elastic retrospective property, and the elastic retrospective property of the high styrene resin can be effectively improved.)

1. The robot tow chain cable with strong deformation plasticity is characterized by comprising the following raw materials in parts by mass: 15-25 parts of matrix resin, 45-65 parts of matrix rubber, 3-6 parts of a plastic recovery modifier, 1-3 parts of a cross-linking agent, 1-2 parts of a vulcanizing agent, 2-4 parts of a curing agent, 1-2 parts of an accelerator and 1-2 parts of a stabilizer;

the plastic recovery modifier at least comprises: styrene is mixed with at least one or more of butadiene, vinyl acetate and octene.

2. The robot tow chain cable with strong deformation plasticity according to claim 1, wherein: the crosslinking agent includes at least: at least one of triallyl isocyanurate (TAIC), diazinetrithiol (TCY), and dicumyl peroxide.

3. The robot tow chain cable with strong deformation plasticity according to claim 1, wherein: the matrix resin is at least one selected from the group consisting of polyethylene resin, polyvinyl chloride resin, high styrene resin, and polyurethane resin.

4. The robot tow chain cable with strong deformation plasticity according to claim 1, wherein: the matrix rubber is at least one selected from butyl rubber, styrene-butadiene rubber, nitrile rubber, silicon rubber, natural rubber and butadiene rubber.

5. The robot tow chain cable with strong deformation plasticity according to claim 1, wherein: the curing agent adopts dicyandiamide as an epoxy resin latent curing agent for resin synthesis.

6. The robot tow chain cable with strong deformation plasticity according to claim 1, wherein: the accelerant is imidazole.

7. Method for manufacturing a robot towline cable with strong deformation back plasticity according to any one of claims 1 to 6, characterized by comprising the following steps:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, heating and melting butadiene rubber, sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanization and mixing to obtain a mixed liquid A;

s3, placing the high styrene resin in melt mixing equipment such as an internal mixer for melt blending, and adding a plastic-recovery modifier, a curing agent and an accelerator in sequence for mixing to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder, and coating the conductor in an extrusion molding mode to form the cable.

8. The method for preparing the robot drag chain cable with strong deformation plasticity according to claim 7, wherein the method comprises the following steps: in the S2, the melting temperature is 150 ℃ and 170 ℃, and the vulcanizing and mixing time is 1-2 h.

9. The method for preparing the robot drag chain cable with strong deformation plasticity according to claim 7, wherein the method comprises the following steps: in the S3, the melting temperature of the internal mixer is 500-600 ℃, and the mixing time is 2-3 h.

10. The method for preparing the robot drag chain cable with strong deformation plasticity according to claim 7, wherein the method comprises the following steps: in the S5, the extrusion temperature is 180-220 ℃.

Technical Field

The invention relates to the technical field of drag chain cables, in particular to a robot drag chain cable with strong deformation plasticity and a preparation method thereof.

Background

The cable for the robot is at the tow chain cable, and the cable alternates to be installed in the tow chain, because the exogenic action can collide the extrusion with the tow chain inner wall in the tow chain, causes the cable to take place deformation, if cable deformation returns the plasticity relatively poor, extrudees many times and can lead to the fact the destruction to the core.

The cables are generally made of rubber as an outer skin protective layer, most synthetic rubbers have poor comprehensive performance, and therefore, the robot drag chain cable with strong deformation plasticity is needed to overcome the defects in the prior art.

Disclosure of Invention

The invention aims to provide a robot towline cable with strong deformation plasticity and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, on one hand, the invention provides a robot drag chain cable with strong deformation plasticity, which comprises the following raw materials in parts by mass: 15-25 parts of matrix resin, 45-65 parts of matrix rubber, 3-6 parts of a plastic recovery modifier, 1-3 parts of a cross-linking agent, 1-2 parts of a vulcanizing agent, 2-4 parts of a curing agent, 1-2 parts of an accelerator and 1-2 parts of a stabilizer;

the plastic recovery modifier at least comprises: styrene is mixed with at least one or more of butadiene, vinyl acetate and octene.

As a further improvement of this solution, the cross-linking agent comprises at least: at least one of triallyl isocyanurate, diazinetrithiol and dicumyl peroxide.

As a further improvement of the present invention, the matrix resin is at least one selected from the group consisting of a polyethylene resin, a polyvinyl chloride resin, a high styrene resin, and a polyurethane resin.

As a further improvement of the technical scheme, the matrix rubber is at least one selected from butyl rubber, styrene-butadiene rubber, nitrile rubber, silicone rubber, natural rubber and butadiene rubber.

The curing agent adopts dicyandiamide as an epoxy resin latent curing agent for resin synthesis.

The accelerant is imidazole.

In another aspect, the present invention provides a method for preparing a robot towline cable with strong deformability, comprising the following steps:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, heating and melting butadiene rubber, sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanization and mixing to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer for melt blending, and adding a plastic-recovery modifier, a curing accelerator and the like in sequence for mixing to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

s5, blending and extruding the blend liquid C by a screw extruder, and coating an insulated conductor in an extrusion molding mode to form a cable

Preferably, in the S2, the melting temperature is 150 ℃ and 170 ℃, and the vulcanizing and mixing time is 1-2 h.

Preferably, in S3, the melting temperature of the internal mixer is 500-600 ℃, and the mixing time is 2-3 h.

Preferably, in the S5, the extrusion temperature is 180-220 ℃.

The addition of the plastic recovery modifier in the invention enhances the elastic deformation plasticity of the drag chain cable through the excellent elastic property, and the blending of the polyolefin and the styrene in the plastic recovery modifier can improve the environmental stress crack resistance, the thermal forming property and the elasticity of the resin, thereby further improving the deformation plasticity of the drag chain cable.

Compared with the prior art, the invention has the beneficial effects that:

in the robot towline cable with strong deformation retroplasticity and the preparation method thereof, the added copolymer polymerized by styrene, butadiene, vinyl acetate and octene is used as a plastic recovery modifier, so that an ethylene chain segment in the high styrene resin is replaced by octene to form an elastic soft segment, the elastic property of the high styrene resin is improved, and the plastic recovery modifier has obvious elastic retrotraceability and can effectively improve the elastic retrotraceability of the high styrene resin.

Drawings

Fig. 1 is a block diagram of a preparation process of a towline cable according to the present invention.

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. 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.

Embodiment 1 robot tow chain cable with strong deformation plasticity and preparation method thereof, comprising:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, when preparing rubber, firstly heating and melting the butadiene rubber, wherein the melting temperature is 150 ℃, and sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanizing and mixing for 2 hours to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer and the like for melt blending, wherein the melting temperature is 500 ℃, and adding the plastic-returning modifier, the curing agent and the accelerator in sequence for mixing for 2 hours to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder at the extrusion temperature of 200 ℃, and coating the conductor in an extrusion molding mode to form the cable.

Embodiment 2 robot tow chain cable that deformation returns plasticity is strong and preparation method includes:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, when preparing rubber, firstly heating and melting the butadiene rubber, wherein the melting temperature is 150 ℃, and sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanizing and mixing for 2 hours to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer and the like for melt blending, wherein the melting temperature is 500 ℃, and adding the plastic-returning modifier, the curing agent and the accelerator in sequence for mixing for 3 hours to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder at the extrusion temperature of 200 ℃, and coating the conductor in an extrusion molding mode to form the cable.

Embodiment 3 robot tow chain cable with strong deformation plasticity and preparation method thereof, including:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, when preparing rubber, firstly heating and melting the butadiene rubber, wherein the melting temperature is 150 ℃, and sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanizing and mixing for 2 hours to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer and the like for melt blending, wherein the melting temperature is 550 ℃, and adding the plastic-returning modifier, the curing agent and the accelerator in sequence for mixing for 3 hours to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder at the extrusion temperature of 200 ℃, and coating the conductor in an extrusion molding mode to form the cable.

Embodiment 4 robot tow chain cable and preparation method that deformation returns plasticity strong includes:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, when preparing rubber, firstly heating and melting the butadiene rubber, wherein the melting temperature is 150 ℃, and sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanizing and mixing for 2 hours to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer and the like for melt blending, wherein the melting temperature is 600 ℃, and adding the plastic-returning modifier, the curing agent and the accelerator in sequence for mixing for 3 hours to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder at the extrusion temperature of 200 ℃, and coating the conductor in an extrusion molding mode to form the cable.

In the above examples 1 to 4, the added remolding modifier is a copolymer obtained by polymerizing styrene with butadiene, vinyl acetate and octene, and an emulsion polymer of styrene and butadiene, which has a two-phase structure at normal temperature by anionic polymerization: the continuous phase polybutadiene has rubber elasticity and excellent low temperature resistance, and may be used as reinforcing agent or modifier to improve the processing performance, improve the hardness and wear resistance of rubber material, raise the tensile stress, strength, tear resistance, bending resistance, etc. the ethylene chain segment with damaged crystal forms elastic soft segment, the ethylene chain segment has elastic soft segment and physical point to make POE possess the property of elastomer, and the copolymerization produces ethylene octene polymer, which is further copolymerized to produce polyolefin elastomer with raised tensile strength, tear strength, elasticity and other mechanical performance Thermoformability and elasticity;

dicyandiamide is selected as a curing agent for epoxy resin latency and is used for resin synthesis;

imidazole is selected as an accelerant, is a kind of anion polymerization type epoxy resin curing agent, and has excellent performance of a cured product.

The invention adds the copolymer polymerized by styrene, butadiene, vinyl acetate and octene as the plastic recovery modifier, so that the ethylene chain segment in the high styrene resin is replaced by octene to form an elastic soft segment, thereby improving the elastic property of the high styrene resin, and the copolymer of styrene, butadiene, vinyl acetate and octene has obvious elastic retrospective property, and can effectively improve the elastic retrospective property of the high styrene resin.

The related indexes of the robot towline cable with strong deformation plasticity prepared by the invention are shown in table 1:

TABLE 1

	Amount of compression deformation (mm)	Elastic resilience (mm)	Rebound time(s)
				Example 1	15.0	14.95	1.2
Example 2	15.0	14.96	1.1
				Example 3	15.0	15.0	0.8
Example 4	15.0	14.98	0.9

As shown in Table 1, in examples 1 to 4 of the present invention, when a superplasticity modifier is added to a high styrene resin and the melting temperature is 550 ℃, the prepared tow cable has high deformation plasticity, wherein the rebound capability is best in example 3.

Comparative example 1 a tile grout and a method for preparing the same comprising:

s1, drawing and annealing the copper monofilaments, and stranding a plurality of copper monofilaments to form a wire core conductor;

s2, when preparing rubber, firstly heating and melting the butadiene rubber, wherein the melting temperature is 150 ℃, and sequentially adding the butadiene rubber, a vulcanizing agent and a cross-linking agent for vulcanizing and mixing for 2 hours to obtain a mixed liquid A;

s3, placing the high styrene resin into melt mixing equipment such as an internal mixer and the like for melt blending, wherein the melting temperature is 550 ℃, and adding a curing agent and an accelerator in sequence for mixing for 3 hours to obtain an internal mixing liquid B;

s4, mixing the mixing liquid A with the banburying liquid B, adding a stabilizer, and putting the mixture into a screw extruder for melt blending to obtain a blending liquid C;

and S5, blending and extruding the blending liquid C by a screw extruder at the extrusion temperature of 200 ℃, and coating the conductor in an extrusion molding mode to form the cable.

The robot drag chain cable with strong deformation plasticity has the rapid deformation plasticity performance and has a large relation with the added plasticity modifier, and in order to verify the related technical scheme, the applicant performs the following tests:

comparative example 1: by adopting the method of example 3, the elasticity index of the drag chain cable is detected under the condition that the plastic recovery modifier is removed, which is specifically shown in table 2:

TABLE 2

	Amount of compression deformation (mm)	Elastic resilience (mm)	Rebound time(s)
				Example 3	15.0	15.0	0.8
Comparative example 1	15.0	11.0	2.1

According to table 2, comparative example 1 has a significantly lower elastic resilience than example 3 when the resilience modifier is removed in comparative example 1 compared to example 3, and the tow cable in comparative example 1 has a longer resilience time after deformation; therefore, the addition of the resilience modifier in the preparation method of the invention can be shown to be an important factor for determining the elastic resilience amount and the resilience time of the towline cable.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.