阅读说明：本技术 一种用热塑性复材制作重卡汽车弹簧板的方法 (Method for manufacturing spring plate of heavy truck by using thermoplastic composite material ) 是由 高殿斌 于 2021-04-09 设计创作，主要内容包括：本发明涉及一种用热塑性复材制作重卡汽车弹簧板的方法,涉及汽车弹簧板制造技术领域。本发明根据弹簧板制作要求将模板固定的缠绕机上,并通过缠绕机上控制模块控制卷绕机构沿模板将热塑性复材卷上的热塑性复材缠绕在模板上,并且通过控制模块在缠绕过程中控制对热塑性复材进行加热加压,并实时根据单层热塑性复材的张力对热塑性复材的各个参数进行确定,进一步根据熔融点的温度判定熔融点位是否符合要求,并根据熔融点的位置对卷绕机构的各个部件的参数进行调节,在对参数调节完成时再次检测张力,并在张力不一致时通过改变卷绕机构第一加压辊的位置来调节热塑性复材卷的张力,提高了对制备弹簧板的过程的控制,提高了制作的弹簧板的品质。(The invention relates to a method for manufacturing a spring plate of a heavy truck by using a thermoplastic composite material, and relates to the technical field of manufacturing of spring plates of automobiles. The invention fixes the template on the winding machine according to the manufacturing requirement of the spring plate, controls the winding mechanism to wind the thermoplastic composite material on the thermoplastic composite material roll on the template along the template through the control module on the winding machine, and the control module is used for controlling the heating and pressurizing of the thermoplastic composite material in the winding process, determining each parameter of the thermoplastic composite material in real time according to the tension of the single-layer thermoplastic composite material, further judging whether the melting point position meets the requirement according to the temperature of the melting point, adjusting the parameter of each component of the winding mechanism according to the position of the melting point, the tension is detected again when the parameter adjustment is finished, and the tension of the thermoplastic composite material roll is adjusted by changing the position of the first pressing roller of the winding mechanism when the tension is inconsistent, so that the control of the process for preparing the spring plate is improved, and the quality of the manufactured spring plate is improved.)

1. A method for manufacturing a spring plate of a heavy truck by using a thermoplastic composite material is characterized by comprising the following steps:

step s1, selecting a template required for manufacturing the spring plate and fixing the template on a fixing rod of a winding machine;

step s2, mounting the thermoplastic composite material roll on a winding mechanism of the winding machine, and heating the end part of the thermoplastic composite material on the thermoplastic composite material roll by a first heating gun and feeding the end part into a gap between a first pressure roller and a template of the winding mechanism;

step s3, starting the winding machine to make the winding mechanism of the winding machine move along the annular inner wall of the winding machine, and simultaneously starting a second heating gun to heat the thermoplastic composite material pressed by the first pressing roller to make the thermoplastic composite material in a molten state;

when the spring plate is manufactured, the winding mechanism is controlled in real time through a control device arranged on the outer wall of the winding machine, the control device is provided with a control module, a preset tension value F of a single-layer thermoplastic composite material is arranged in the control module according to production requirements, the control module selects the corresponding preset tension value F according to the production requirements to manufacture the spring plate, and the control module determines the rotating speed Va of a first pressing roller, the rotating speed Vb of a second pressing roller, the pressure Pb of the second pressing roller, the length G of the thermoplastic composite material released by a thermoplastic composite material roll in unit time, the heating temperature Ta of a first heating gun and the heating temperature Tb of a second heating gun according to the selected tension;

in the preparation process, the control module obtains the real-time temperature T of the thermoplastic composite material heated by the first heating gun and detected by the infrared thermometer, and judges whether the melting point position of the thermoplastic composite material is in the preset melting position range or not according to the temperature, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is delayed, the control module controls and adjusts the pressure Pb of the second pressing roller, the temperature Ta of the first heating gun and the temperature Tb of the second heating gun, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is advanced, the control module controls and adjusts the rotating speed Va of the first pressing roller, the rotating speed Vb of the second pressing roller, the length G of the thermoplastic composite material released by the thermoplastic composite material roll in unit time and adjusts and reduces the temperature Ta of the first heating gun, and when the control module controls and increases the rotating speed Va of the first pressing roller and the length G of the thermoplastic composite material released by the thermoplastic composite material The control module acquires the pressure Pc of the pressure sensor in real time and judges whether the tension of the thermoplastic composite material is consistent with the selected tension according to the pressure value, and if not, the control module adjusts and moves the position of the first pressure roller.

2. The method of claim 1, wherein the control module has a first melting point T1, a second melting point T2, and a third melting point T3, wherein T1 < T2 < T3,

when T is less than T1, the control module determines that the melting point position is not in the preset melting position range and lags behind the melting point position;

when T is more than or equal to T1 and less than or equal to T2, the control module judges that the melting point is normal;

when T is more than T2 and less than or equal to T3, the control module determines that the melting point is not in the preset melting position range and leads;

when T > T3, the control module determines that the melting point location is not within a preset melting location range and the melting point location is lagging.

3. The method for manufacturing a spring plate of a heavy truck with a thermoplastic composite material as claimed in claim 2, wherein the control module is further provided with a first temperature difference T1, a second temperature difference T2, a third temperature difference T3, a first pressure adjustment coefficient x1, a second pressure adjustment coefficient x2, and a third pressure adjustment coefficient x3, wherein Δ T1 < ΔT2 < [ T3 ], 1 < x1 < x2 < x3 < 2,

when the control module judges that the melting point is not in the preset melting position range and lags behind the melting point, the control module calculates a difference value T between the real-time temperature T of the melting point of the thermoplastic composite and the ith temperature Ti of the melting point, sets i =1, 3, selects a corresponding first pressure regulating coefficient according to the difference value to regulate the pressure Pb of the second pressure roller,

when the Δ T is not more than T1 and less than T2, the control module selects a first pressure adjusting coefficient x1 to adjust the pressure Pb of the second pressure roller;

when the Δ T is not more than T2 and less than T3, the control module selects a second pressure adjusting coefficient x2 to adjust the pressure Pb of the second pressure roller;

when the Δ T is equal to or more than T3, the control module selects a third pressure regulating coefficient x3 to regulate the pressure Pb of the second pressure roller;

when the control module selects the jth pressure adjustment coefficient xj to adjust the pressure Pb of the second pressure roller, j =1, 2, 3 is set, the control module sets the pressure of the second pressure roller to Pb', and sets Pb ″ = Pb × xj, and the control module controls the second pressure roller to press the thermoplastic composite material with the adjusted pressure.

4. The method for manufacturing a spring plate of a heavy truck with a thermoplastic composite material according to claim 3, wherein the control module is further provided with a first temperature adjustment amount Δ ka1, a second temperature adjustment amount Δ ka2, a third temperature adjustment amount Δ ka3, wherein Δ ka1 <Δka2 <Δka3,

when the control module selects the jth pressure adjustment coefficient to adjust the pressure of the second pressure roller and T < T1 or T > T3, the control module calculates a difference value T' between the real-time temperature T of the thermoplastic composite material melting point and the ith temperature of the melting point, and selects a corresponding temperature adjustment amount according to the difference value to adjust the heating temperature Ta of the first heating gun,

when T is less than T1 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T2 is less than T3, the control module selects a second temperature adjustment amount Δ ka2 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a second temperature adjustment amount Δ ka2 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T' is equal to or more than T3, the control module selects a third temperature adjustment amount Δ ka3 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a third temperature adjustment amount Δ ka3 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and the control module selects the ith temperature adjustment amount kai ' to adjust the heating temperature of the first heating gun, the control module sets the heating temperature of the first heating gun to Ta ', sets Ta ″ = Ta +. kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta ″;

when T > T3 and the control module selects the ith temperature adjustment amount kai 'to adjust the heating temperature of the second heating gun, the control module sets the heating temperature of the first heating gun to Ta', sets Ta '= Ta-' kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta'.

5. The method of claim 4, wherein the control module further comprises a first temperature compensation coefficient k1, a second temperature compensation coefficient k2 and a third temperature compensation coefficient k3, wherein k1 < k2 < k3,

after the control module controls the first heating gun to heat the thermoplastic composite material Ta at the heating temperature Ta ' or Ta ', and the control module determines that the melting point is not in the preset melting position range, the control module calculates a difference value T ' between the actual temperature T of the thermoplastic composite material and the first temperature T1 of the melting point, and selects a corresponding temperature compensation coefficient according to the difference value to compensate the heating temperature of the second heating gun,

when the Δ T1 is less than T2, the control module selects a first temperature compensation coefficient k1 to compensate the heating temperature of the second heating gun;

when the Δ T2 is less than T3, the control module selects a second temperature compensation coefficient k2 to compensate the heating temperature of the second heating gun;

when the T' is equal to or more than T3, the control module selects a third temperature compensation coefficient k3 to compensate the heating temperature of the second heating gun;

when the control module selects the j-th temperature compensation coefficient kj to compensate the heating temperature of the second heating gun, j = =1, 2, 3, and the control module sets the compensated heating temperature of the second heating gun to be Tb 'and sets Tb' = Tb × kj.

6. The method for manufacturing spring plate of heavy truck with thermoplastic composite material according to claim 2, wherein the control module is further provided with a fourth temperature difference T4, a fifth temperature difference T5, a sixth temperature difference T6, a first pressing roller speed adjustment coefficient U1, a second pressing roller speed adjustment coefficient U2, and a third pressing roller speed adjustment coefficient U3, wherein Δ T4 < "T5 <" T6, 1 < U1 < U2 < U3 < 2,

when the control module judges that the melting point is not in the preset melting position range and the melting point is advanced, the control module calculates a difference S between the actual temperature T of the melting point and the second temperature of the melting point, selects a corresponding pressure roller rotating speed adjusting coefficient according to the difference to adjust the rotating speeds of the first pressure roller and the second pressure roller,

when the Δ T4 is less than or equal to T5, the control module selects a first pressure roller rotating speed adjusting coefficient U1 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ T5 is less than or equal to T6, the control module selects a second pressure roller rotating speed adjusting coefficient U2 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ S is Δ T6, the control module selects a third pressing roller rotating speed adjusting coefficient U3 to adjust the rotating speeds of the first pressing roller and the second pressing roller;

when the control module selects the nth pressing roller rotating speed adjusting coefficient Un to adjust the rotating speeds of the first pressing roller and the second pressing roller, n =1, 2, 3 is set, the control module sets the rotating speed of the adjusted first pressing roller to be Va 'and sets the rotating speed of the second pressing roller to be Vb', and Va '= Va × Un, Vb' = Vb × Un are set.

7. The method for manufacturing a spring plate of a heavy truck with thermoplastic composite material according to claim 6, characterized in that the control module is further provided with a first Δ G1, a second G2 and a third G3 for the release length of the thermoplastic composite material, wherein Δ G1 < ΔG2 < ΔG3,

when the control module adjusts the rotating speeds of the first pressure roller and the second pressure roller, the control module selects a corresponding thermoplastic composite material release length adjusting amount according to the difference S between the actual temperature of the melting point and the second temperature T2 of the melting point to adjust the release length of the thermoplastic composite material,

when the Δ T4 is less than or equal to T5, the control module selects a first adjustment amount G1 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the Δ T5 is less than or equal to T6, the control module selects a second adjustment amount G2 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the S is Δ T6, the control module selects the third adjustment amount G3 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the control module selects the nth 'adjustment amount' GnGn 'of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material, setting n' 1, 2 and 3, and setting G '= G + GnG' to the release length of the adjusted thermoplastic composite material by the control module.

8. The method as claimed in claim 7, wherein when the control module determines that the melting point is not within the predetermined melting position range and the melting point is advanced, the control module further decreases the heating temperature of the first heating gun according to the Δ S between the actual temperature of the melting point and the second temperature T2 of the melting point,

when the difference between the actual temperature of the melting point and the second temperature T2 of the melting point is Δ S, the control module controls to reduce the heating temperature of the first heating gun by Δ S, and the control module sets the adjusted heating temperature of the heating gun to be Ta 'and sets Ta ″' -Ta +s.

9. The method of claim 7, wherein when the control module adjusts the rotation speed of the first pressing roller, the rotation speed of the second pressing roller, and the length of the thermoplastic composite material released from the thermoplastic composite material roll per unit time, the control module obtains the value of the pressure sensor on the tension wheel, if the value is not consistent with the tension, the control module adjusts the position of the first pressing roller, if the value of the pressure sensor is greater than the tension, the control module moves the position of the first pressing roller in a direction close to the thermoplastic composite material roll, if the value of the pressure sensor is less than the tension, the control module moves the position of the first pressing roller in a direction away from the thermoplastic composite material roll, and obtains the value of the pressure sensor in real time during the movement until the value of the pressure sensor is equal to the tension, the movement is stopped.

10. The method of any one of claims 1-9, wherein the control module controls the cooling mechanism to cool the manufactured spring sheet when the control module controls the winding mechanism to pass N turns along the inner wall of the winding machine.

Technical Field

The invention relates to the technical field of automobile spring plate manufacturing, in particular to a method for manufacturing a heavy truck automobile spring plate by using a thermoplastic composite material.

Background

The rear axle of the heavy truck generally adopts a spring plate as a load-bearing element, has good load-bearing performance and very high tensile strength and toughness, and is a better choice of the current heavy truck, but the weight of the heavy truck is relatively large because the manufacturing raw material is steel, so that the overall weight of the body of the heavy truck is increased, and the relative oil consumption is also increased.

And the thermoplastic composite material is used for replacing steel to manufacture the spring plate of the heavy truck automobile, so that the overall weight of the body of the heavy truck automobile is reduced to a great extent. The thermoplastic composite material has higher tensile strength, bending strength and toughness, and is the first choice material for light weight of heavy trucks. Having good materials still requires good manufacturing processes to achieve the desired results.

However, the use of thermoplastic composite materials for manufacturing the spring plate of the heavy truck requires consistent control of the tension of each node of the spring plate in the manufacturing process, and compared with the technology of manufacturing the spring plate by using steel, the technology is not mature enough, and the control precision of the tension in the manufacturing process is not high, so that the quality of the manufactured spring plate is not high.

Disclosure of Invention

Therefore, the invention provides a method for manufacturing a spring plate of a heavy truck by using a thermoplastic composite material. The method is used for solving the problem that the quality of the prepared spring plate is not high due to low control precision of the tension of each node in the process of manufacturing the spring plate of the heavy truck by using the thermoplastic composite material in the prior art.

In order to achieve the above object, the present invention provides a method for manufacturing a spring plate of a heavy truck from a thermoplastic composite material, comprising:

step s1, selecting a template required for manufacturing the spring plate and fixing the template on a fixing rod of a winding machine;

step s2, mounting the thermoplastic composite material roll on a winding mechanism of the winding machine, and heating the end part of the thermoplastic composite material on the thermoplastic composite material roll by a first heating gun and feeding the end part into a gap between a first pressure roller and a template of the winding mechanism;

step s3, starting the winding machine to make the winding mechanism of the winding machine move along the annular inner wall of the winding machine, and simultaneously starting a second heating gun to heat the thermoplastic composite material pressed by the first pressing roller to make the thermoplastic composite material in a molten state;

when the spring plate is manufactured, the winding mechanism is controlled in real time through a control device arranged on the outer wall of the winding machine, the control device is provided with a control module, a preset tension value F of a single-layer thermoplastic composite material is arranged in the control module according to production requirements, the control module selects the corresponding preset tension value F according to the production requirements to manufacture the spring plate, and the control module determines the rotating speed Va of a first pressing roller, the rotating speed Vb of a second pressing roller and the pressure Pb of the second pressing roller, the length G of the thermoplastic composite material released by a thermoplastic composite material roll in unit time, the heating temperature Ta of a first heating gun and the heating temperature Tb of a second heating gun according to the selected tension;

in the preparation process, the control module obtains the real-time temperature T of the thermoplastic composite material heated by the first heating gun and detected by the infrared thermometer, and judges whether the melting point position of the thermoplastic composite material is in the preset melting position range or not according to the temperature, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is delayed, the control module controls and adjusts the pressure Pb of the second pressing roller, the temperature Ta of the first heating gun and the temperature Tb of the second heating gun, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is advanced, the control module controls and adjusts the rotating speed Va of the first pressing roller, the rotating speed Vb of the second pressing roller, the length G of the thermoplastic composite material released by the thermoplastic composite material roll in unit time and adjusts and reduces the temperature Ta of the first heating gun, and when the control module controls and increases the rotating speed Va of the first pressing roller and the length G of the thermoplastic composite material released by the thermoplastic composite material The control module acquires the pressure Pc of the pressure sensor in real time and judges whether the tension of the thermoplastic composite material is consistent with the selected tension according to the pressure value, and if not, the control module adjusts and moves the position of the first pressure roller.

Further, the control module is provided with a first melting point temperature T1, a second melting point temperature T2 and a third melting point temperature T3, wherein T1 < T2 < T3,

when T is less than T1, the control module determines that the melting point position is not in the preset melting position range and lags behind the melting point position;

when T is more than or equal to T1 and less than or equal to T2, the control module judges that the melting point is normal;

when T is more than T2 and less than or equal to T3, the control module determines that the melting point is not in the preset melting position range and leads;

when T > T3, the control module determines that the melting point location is not within a preset melting location range and the melting point location is lagging.

Furthermore, the control module is also provided with a first temperature difference T1, a second temperature difference T2, a third temperature difference T3, a first pressure adjustment coefficient x1, a second pressure adjustment coefficient x2 and a third pressure adjustment coefficient x3, wherein Δ T1 < [ Δ T2 > ] T3, 1 < x1 < x2 < x3 < 2,

when the control module judges that the melting point is not in the preset melting position range and lags behind the melting point, the control module calculates a difference value T between the real-time temperature T of the melting point of the thermoplastic composite and the ith temperature Ti of the melting point, sets i =1, 3, selects a corresponding first pressure regulating coefficient according to the difference value to regulate the pressure Pb of the second pressure roller,

when the Δ T is not more than T1 and less than T2, the control module selects a first pressure adjusting coefficient x1 to adjust the pressure Pb of the second pressure roller;

when the Δ T is not more than T2 and less than T3, the control module selects a second pressure adjusting coefficient x2 to adjust the pressure Pb of the second pressure roller;

when the Δ T is equal to or more than T3, the control module selects a third pressure regulating coefficient x3 to regulate the pressure Pb of the second pressure roller;

when the control module selects the jth pressure adjustment coefficient xj to adjust the pressure Pb of the second pressure roller, j =1, 2, 3 is set, the control module sets the pressure of the second pressure roller to Pb', and sets Pb ″ = Pb × xj, and the control module controls the second pressure roller to press the thermoplastic composite material with the adjusted pressure.

Further, the control module is further provided with a first temperature adjustment amount Δ ka1, a second temperature adjustment amount Δ ka2, a third temperature adjustment amount Δ ka3, wherein ka1 is less than Δ ka2 is less than Δ ka3,

when the control module selects the jth pressure adjustment coefficient to adjust the pressure of the second pressure roller and T < T1 or T > T3, the control module calculates a difference value T' between the real-time temperature T of the thermoplastic composite material melting point and the ith temperature of the melting point, and selects a corresponding temperature adjustment amount according to the difference value to adjust the heating temperature Ta of the first heating gun,

when T is less than T1 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T2 is less than T3, the control module selects a second temperature adjustment amount Δ ka2 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a second temperature adjustment amount Δ ka2 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T' is equal to or more than T3, the control module selects a third temperature adjustment amount Δ ka3 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a third temperature adjustment amount Δ ka3 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and the control module selects the ith temperature adjustment amount kai ' to adjust the heating temperature of the first heating gun, the control module sets the heating temperature of the first heating gun to Ta ', sets Ta ″ = Ta +. kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta ″;

when T > T3 and the control module selects the ith temperature adjustment amount kai 'to adjust the heating temperature of the second heating gun, the control module sets the heating temperature of the first heating gun to Ta', sets Ta '= Ta-' kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta'.

Furthermore, the control module is also provided with a first temperature compensation coefficient k1, a second temperature compensation coefficient k2 and a third temperature compensation coefficient k3, wherein k1 < k2 < k3,

after the control module controls the first heating gun to heat the thermoplastic composite material Ta at the heating temperature Ta ' or Ta ', and the control module determines that the melting point is not in the preset melting position range, the control module calculates a difference value T ' between the actual temperature T of the thermoplastic composite material and the first temperature T1 of the melting point, and selects a corresponding temperature compensation coefficient according to the difference value to compensate the heating temperature of the second heating gun,

when the Δ T1 is less than T2, the control module selects a first temperature compensation coefficient k1 to compensate the heating temperature of the second heating gun;

when the Δ T2 is less than T3, the control module selects a second temperature compensation coefficient k2 to compensate the heating temperature of the second heating gun;

when the T' is equal to or more than T3, the control module selects a third temperature compensation coefficient k3 to compensate the heating temperature of the second heating gun;

when the control module selects the j-th temperature compensation coefficient kj to compensate the heating temperature of the second heating gun, j = =1, 2, 3, and the control module sets the compensated heating temperature of the second heating gun to be Tb 'and sets Tb' = Tb × kj.

Furthermore, the control module is further provided with a fourth temperature difference T4, a fifth temperature difference T5, a sixth temperature difference T6, a first pressure roller rotation speed adjustment coefficient U1, a second pressure roller rotation speed adjustment coefficient U2 and a third pressure roller rotation speed adjustment coefficient U3, wherein Δ T4 < [ T5 ] < [ T6 ], 1 < U1 < U2 < U3 < 2,

when the control module judges that the melting point is not in the preset melting position range and the melting point is advanced, the control module calculates a difference S between the actual temperature T of the melting point and the second temperature of the melting point, selects a corresponding pressure roller rotating speed adjusting coefficient according to the difference to adjust the rotating speeds of the first pressure roller and the second pressure roller,

when the Δ T4 is less than or equal to T5, the control module selects a first pressure roller rotating speed adjusting coefficient U1 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ T5 is less than or equal to T6, the control module selects a second pressure roller rotating speed adjusting coefficient U2 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ S is Δ T6, the control module selects a third pressing roller rotating speed adjusting coefficient U3 to adjust the rotating speeds of the first pressing roller and the second pressing roller;

when the control module selects the nth pressing roller rotating speed adjusting coefficient Un to adjust the rotating speeds of the first pressing roller and the second pressing roller, n =1, 2, 3 is set, the control module sets the rotating speed of the adjusted first pressing roller to be Va 'and sets the rotating speed of the second pressing roller to be Vb', and Va '= Va × Un, Vb' = Vb × Un are set.

Further, the control module is further provided with a first adjustment amount of the release length of the thermoplastic compound Δ G1, a second adjustment amount of the release length of the thermoplastic compound G2, a third adjustment amount of the release length of the thermoplastic compound Δ G3, wherein Δ G1 is less than Δ G2 is less than Δ G3,

when the control module adjusts the rotating speeds of the first pressure roller and the second pressure roller, the control module selects a corresponding thermoplastic composite material release length adjusting amount according to the difference S between the actual temperature of the melting point and the second temperature T2 of the melting point to adjust the release length of the thermoplastic composite material,

when the Δ T4 is less than or equal to T5, the control module selects a first adjustment amount G1 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the Δ T5 is less than or equal to T6, the control module selects a second adjustment amount G2 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the S is Δ T6, the control module selects the third adjustment amount G3 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the control module selects the nth 'adjustment amount' GnGn 'of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material, setting n' 1, 2 and 3, and setting G '= G + GnG' to the release length of the adjusted thermoplastic composite material by the control module.

Further, when the control module determines that the melting point is not within the preset melting position range and the melting point is advanced, the control module further adjusts and reduces the heating temperature of the first heating gun according to the difference Δ S between the actual melting point temperature and the second melting point temperature T2,

when the difference between the actual temperature of the melting point and the second temperature T2 of the melting point is Δ S, the control module controls to reduce the heating temperature of the first heating gun by Δ S, and the control module sets the adjusted heating temperature of the heating gun to be Ta 'and sets Ta ″' -Ta +s.

Further, when the control module completes the adjustment of the rotation speed of the first pressing roller, the rotation speed of the second pressing roller and the length of the thermoplastic composite material released by the thermoplastic composite material roll in unit time, the control module acquires the value of the pressure sensor on the tensioning wheel, if the value is inconsistent with the tension, the control module adjusts the position of the first pressing roller, if the value of the pressure sensor is greater than the tension, the control module moves the position of the first pressing roller in the direction close to the thermoplastic composite material roll, if the value of the pressure sensor is less than the tension, the control module moves the position of the first pressing roller in the direction far from the thermoplastic composite material roll, and acquires the value of the pressure sensor in real time in the moving process until the value of the pressure sensor is equal to the tension, and stops moving.

Further, when the control module controls the winding mechanism to transfer N turns along the inner wall of the winding machine, the control module controls the starting of the cooling mechanism to cool the manufactured spring plate.

Compared with the prior art, the method has the advantages that the tension of the single-layer thermoplastic composite material used for manufacturing the spring plate is preset in the control module of the winding machine according to the production requirement of the spring plate to be produced, the rotating speed of the first pressing roller, the rotating speed and the pressure of the second pressing roller, the length of the thermoplastic composite material released by the thermoplastic composite material roll in unit time, the heating temperature of the first heating gun and the heating temperature of the second heating gun are preliminarily determined according to the tension before the spring plate manufacturing process is started, whether the melting point position is in the preset melting position range or not is judged according to the temperature of the melting point position of the thermoplastic composite material detected by the infrared thermometer controlled by the control module in the manufacturing process, and the rotating speed of the first pressing roller, the rotating speed and the pressure of the second pressing roller, the length of the thermoplastic composite material released by the thermoplastic composite material roll in unit time, the melting point position is further judged by the control module according to the judgment result, The heating temperature of the first heating gun and the heating temperature of the second heating gun are adjusted, when the adjustment is completed, the position of the first pressing roller is further adjusted according to the numerical value of the pressure sensor, the control of the process of preparing the spring plate is improved, the control of the tension of each node of the spring plate is further improved through the control of the tension of the single-layer thermoplastic composite material, and therefore the quality of the manufactured spring plate is further improved.

Furthermore, the control module is provided with a plurality of melting point temperatures, so that the control module compares the actual temperature of the melting point detected by the infrared thermometer with the melting point temperature set by the control module, and judges whether the melting point position is within the range of the preset melting position according to the comparison result, thereby further improving the control precision of the tension of each node of the spring plate and further improving the quality of the manufactured spring plate.

Furthermore, the temperature difference value and the pressure adjusting coefficient are set in the control module, and the corresponding pressure adjusting coefficient is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module can adjust the pressure of the second pressing roller, the control on the precision of the manufacturing process is improved, and the quality of the manufactured spring is further improved.

Furthermore, the temperature regulating quantity is set in the control module, and the corresponding temperature regulating quantity is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module can adaptively regulate the temperatures of the first heating gun and the second heating gun, the control on the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Furthermore, the temperature compensation coefficient is set in the control module, and the corresponding temperature compensation coefficient is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module controls the temperature of the adjusted first heating gun and the adjusted second heating gun to be compensated, and the quality of the manufactured spring is further improved.

Furthermore, a plurality of temperature difference values and pressure roller rotating speed adjusting coefficients are arranged on the control module, the difference value between the actual temperature of the melting point and the preset melting point temperature is calculated through the control module, and the corresponding pressure roller rotating speed adjusting coefficient is selected according to the difference value so that the control module controls and adjusts the rotating speeds of the first pressure roller and the second pressure roller, the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Furthermore, the control module is provided with a plurality of thermoplastic composite material release length adjusting amounts, and the corresponding thermoplastic composite material release length adjusting amounts are selected according to the temperature difference of the melting point, so that the control module controls and adjusts the length of the composite material released by the thermoplastic composite material roll, the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Further, if the control module judges that the melting point position is advanced, the temperature of the first heating gun is adjusted by the difference value of the melting point temperature calculated by the control module correspondingly, so that the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Furthermore, the position of the first pressing roller is adjusted according to a comparison result by acquiring the numerical value of the pressure sensor and comparing the numerical value with a preset tension value, so that the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for manufacturing a spring plate of a heavy truck using a thermoplastic composite material according to the present invention;

FIG. 2 is a top view of the apparatus of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a spring plate made in accordance with the present invention;

FIG. 5 is a schematic diagram of the template structure for manufacturing each layer of spring plate according to the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the 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", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, fig. 1 is a schematic view of a device for manufacturing a spring plate of a heavy truck by using a thermoplastic composite material according to the present invention, fig. 2 is a top view of the device in fig. 1, fig. 3 is a schematic view of a portion a of the device in fig. 2, fig. 4 is a schematic view of a spring plate manufactured according to the present invention, and fig. 5 is a schematic view of a template structure for manufacturing each layer of the spring plate according to the present invention. The invention relates to a device for manufacturing a spring plate of a heavy truck by using a thermoplastic composite material, which comprises a winding machine 1, a control device 2 arranged on the outer wall of the winding machine and a template 3 fixed on a fixed shaft 5 of the winding machine 1, wherein the winding machine 1 comprises a winding mechanism 6 and a cooling mechanism 7, the inner wall of the winding machine 1 is provided with a slide rail 9, a telescopic rod 10 of the winding mechanism 6 is connected with the slide rail 9, the winding mechanism 6 circularly moves on the inner wall of the winding machine 1 along the slide rail 9, one end of the telescopic rod 10 far away from the inner wall of the winding machine 1 is also provided with a U-shaped bracket 11, the U-shaped bracket 11 is provided with a thermoplastic composite material coil 12, a first heating gun 13, a second heating gun 14, a first pressing roller 15, a second pressing roller 16, an infrared thermometer 17 and a pressure sensor 18, the cooling mechanism 7 comprises a cooling liquid filling bin 19, a cooling liquid recovery bin 20 and a cooling liquid conveying, the template 3 corresponding to the manufactured spring plate is fixed on a fixed shaft 5, the thermoplastic composite material of the thermoplastic composite material roll 12 is wound on the template 3 through a winding mechanism 6, and each element of the winding mechanism is controlled through a control module in the manufacturing process.

Referring to fig. 1-5, the method for manufacturing spring plate of heavy truck with thermoplastic composite material according to the present invention includes:

step s1, selecting a template required for manufacturing the spring plate and fixing the template on a fixing rod of a winding machine;

step s2, mounting the thermoplastic composite material roll on a winding mechanism of the winding machine, and heating the end part of the thermoplastic composite material on the thermoplastic composite material roll by a first heating gun and feeding the end part into a gap between a first pressure roller and a template of the winding mechanism;

step s3, starting the winding machine to make the winding mechanism of the winding machine move along the annular inner wall of the winding machine, and simultaneously starting a second heating gun to heat the thermoplastic composite material pressed by the first pressing roller to make the thermoplastic composite material in a molten state;

when the spring plate is manufactured, the winding mechanism is controlled in real time through a control device arranged on the outer wall of the winding machine, the control device is provided with a control module, a preset tension value F of a single-layer thermoplastic composite material is arranged in the control module according to production requirements, the control module selects the corresponding preset tension value F according to the production requirements to manufacture the spring plate, and the control module determines the rotating speed Va of a first pressing roller, the rotating speed Vb of a second pressing roller and the pressure Pb of the second pressing roller, the length G of the thermoplastic composite material released by a thermoplastic composite material roll in unit time, the heating temperature Ta of a first heating gun and the heating temperature Tb of a second heating gun according to the selected tension;

in the preparation process, the control module obtains the real-time temperature T of the thermoplastic composite material heated by the first heating gun and detected by the infrared thermometer, and judges whether the melting point position of the thermoplastic composite material is in the preset melting position range or not according to the temperature, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is delayed, the control module controls and adjusts the pressure Pb of the second pressing roller, the temperature Ta of the first heating gun and the temperature Tb of the second heating gun, if the control module judges that the melting point position is not in the preset melting position range and the melting point position is advanced, the control module controls and adjusts the rotating speed Va of the first pressing roller, the rotating speed Vb of the second pressing roller, the length G of the thermoplastic composite material released by the thermoplastic composite material roll in unit time and adjusts and reduces the temperature Ta of the first heating gun, and when the control module controls and increases the rotating speed Va of the first pressing roller and the length G of the thermoplastic composite material released by the thermoplastic composite material The control module acquires the pressure Pc of the pressure sensor in real time and judges whether the tension of the thermoplastic composite material is consistent with the selected tension according to the pressure value, and if not, the control module adjusts and moves the position of the first pressure roller.

Specifically, tension of a single-layer thermoplastic composite material used for manufacturing the spring plate is preset in a control module of a winding machine according to the production requirement of the spring plate to be produced, the rotating speed of a first pressing roller, the rotating speed and pressure of a second pressing roller, the length of the thermoplastic composite material released by a thermoplastic composite material roll in unit time, the heating temperature of a first heating gun and the heating temperature of a second heating gun are preliminarily determined according to the tension before the spring plate manufacturing process is started, whether a melting point position is in a preset melting position range or not is judged according to the temperature of the melting point position of the thermoplastic composite material detected by an infrared thermometer controlled by the control module in the manufacturing process, and the rotating speed of the first pressing roller, the rotating speed and pressure of the second pressing roller, the length of the thermoplastic composite material released by the thermoplastic composite material roll in unit time, and the like are further judged according to the judgment result through the control module, The heating temperature of the first heating gun and the heating temperature of the second heating gun are adjusted, when the adjustment is completed, the position of the first pressing roller is further adjusted according to the numerical value of the pressure sensor, the control of the process of preparing the spring plate is improved, the control of the tension of each node of the spring plate is further improved through the control of the tension of the single-layer thermoplastic composite material, and therefore the quality of the manufactured spring plate is further improved.

In the present embodiment, the thermoplastic composite roll has a roll structure in which a thermoplastic composite material having a predetermined length is wound.

Referring to fig. 1-5, in the method for manufacturing a spring plate of a heavy truck using a thermoplastic composite material according to the present invention, the control module has a first melting point temperature T1, a second melting point temperature T2, and a third melting point temperature T3, wherein T1 < T2 < T3,

when T is less than T1, the control module determines that the melting point position is not in the preset melting position range and lags behind the melting point position;

when T is more than or equal to T1 and less than or equal to T2, the control module judges that the melting point is normal;

when T is more than T2 and less than or equal to T3, the control module determines that the melting point is not in the preset melting position range and leads;

when T > T3, the control module determines that the melting point location is not within a preset melting location range and the melting point location is lagging.

Specifically, the control module is provided with a plurality of melting point temperatures, so that the control module compares the actual temperature of the melting point detected by the infrared thermometer with the melting point temperature set by the control module, and judges whether the melting point position is in the preset melting position range according to the comparison result, thereby further improving the control precision of the tension of each node of the spring plate and further improving the quality of the manufactured spring plate.

Please continue to refer to fig. 1-5, the method for manufacturing a spring plate of a heavy truck with a thermoplastic composite material according to the present invention further includes a first temperature difference T1, a second temperature difference T2, a third temperature difference T3, a first pressure adjustment coefficient x1, a second pressure adjustment coefficient x2, and a third pressure adjustment coefficient x3, wherein Δ T1 < T2 < [ T3 ], 1 < x1 < x2 < x3 < 2,

when the control module judges that the melting point is not in the preset melting position range and lags behind the melting point, the control module calculates a difference value T between the real-time temperature T of the melting point of the thermoplastic composite and the ith temperature Ti of the melting point, sets i =1, 3, selects a corresponding first pressure regulating coefficient according to the difference value to regulate the pressure Pb of the second pressure roller,

when the Δ T is not more than T1 and less than T2, the control module selects a first pressure adjusting coefficient x1 to adjust the pressure Pb of the second pressure roller;

when the Δ T is not more than T2 and less than T3, the control module selects a second pressure adjusting coefficient x2 to adjust the pressure Pb of the second pressure roller;

when the Δ T is equal to or more than T3, the control module selects a third pressure regulating coefficient x3 to regulate the pressure Pb of the second pressure roller;

when the control module selects the jth pressure adjustment coefficient xj to adjust the pressure Pb of the second pressure roller, j =1, 2, 3 is set, the control module sets the pressure of the second pressure roller to Pb', and sets Pb ″ = Pb × xj, and the control module controls the second pressure roller to press the thermoplastic composite material with the adjusted pressure.

Specifically, the temperature difference value and the pressure adjusting coefficient are set in the control module, and the corresponding pressure adjusting coefficient is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module can adjust the pressure of the second pressing roller, the control on the precision of the manufacturing process is improved, and the quality of the manufactured spring is further improved.

Please continue to refer to fig. 1-5, the method for manufacturing a spring plate of a heavy truck with a thermoplastic composite material according to the present invention further includes a first temperature adjustment amount Δ 1, a second temperature adjustment amount Δ ka2, a third temperature adjustment amount Δ ka3, where Δ ka1 < Δ ka2 < Δka3,

when the control module selects the jth pressure adjustment coefficient to adjust the pressure of the second pressure roller and T < T1 or T > T3, the control module calculates a difference value T' between the real-time temperature T of the thermoplastic composite material melting point and the ith temperature of the melting point, and selects a corresponding temperature adjustment amount according to the difference value to adjust the heating temperature Ta of the first heating gun,

when T is less than T1 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a first temperature adjustment amount Δ ka1 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T2 is less than T3, the control module selects a second temperature adjustment amount Δ ka2 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a second temperature adjustment amount Δ ka2 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and Δ T' is equal to or more than T3, the control module selects a third temperature adjustment amount Δ ka3 to adjust and increase the heating temperature Ta of the first heating gun;

when T is more than T3 and Δ T1 is less than T2, the control module selects a third temperature adjustment amount Δ ka3 to adjust and reduce the heating temperature Ta of the first heating gun;

when T is less than T1 and the control module selects the ith temperature adjustment amount kai ' to adjust the heating temperature of the first heating gun, the control module sets the heating temperature of the first heating gun to Ta ', sets Ta ″ = Ta +. kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta ″;

when T > T3 and the control module selects the ith temperature adjustment amount kai 'to adjust the heating temperature of the second heating gun, the control module sets the heating temperature of the first heating gun to Ta', sets Ta '= Ta-' kai ', and controls the first heating gun to heat the thermoplastic composite material at the adjusted heating temperature Ta'.

Specifically, the temperature regulating quantity is set in the control module, and the corresponding temperature regulating quantity is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module can adaptively regulate the temperatures of the first heating gun and the second heating gun, the control on the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Referring to fig. 1-5, in the method for manufacturing a spring plate of a heavy truck using a thermoplastic composite material according to the present invention, the control module further has a first temperature compensation coefficient k1, a second temperature compensation coefficient k2, and a third temperature compensation coefficient k3, wherein k1 < k2 < k3,

after the control module controls the first heating gun to heat the thermoplastic composite material Ta at the heating temperature Ta ' or Ta ', and the control module determines that the melting point is not in the preset melting position range, the control module calculates a difference value T ' between the actual temperature T of the thermoplastic composite material and the first temperature T1 of the melting point, and selects a corresponding temperature compensation coefficient according to the difference value to compensate the heating temperature of the second heating gun,

when the Δ T1 is less than T2, the control module selects a first temperature compensation coefficient k1 to compensate the heating temperature of the second heating gun;

when the Δ T2 is less than T3, the control module selects a second temperature compensation coefficient k2 to compensate the heating temperature of the second heating gun;

when the T' is equal to or more than T3, the control module selects a third temperature compensation coefficient k3 to compensate the heating temperature of the second heating gun;

when the control module selects the j-th temperature compensation coefficient kj to compensate the heating temperature of the second heating gun, j = =1, 2, 3, and the control module sets the compensated heating temperature of the second heating gun to be Tb 'and sets Tb' = Tb × kj.

Specifically, the temperature compensation coefficient is set in the control module, and the corresponding temperature compensation coefficient is selected according to the difference value between the obtained actual temperature of the melting point and the preset temperature of the melting point, so that the control module controls the temperature of the adjusted first heating gun and the adjusted second heating gun to be compensated, and the quality of the manufactured spring is further improved.

Please continue to refer to FIGS. 1-5, the method for manufacturing spring plate of heavy truck with thermoplastic composite material of the present invention further includes setting a fourth temperature difference T4, a fifth temperature difference T5, a sixth temperature difference T6, a first pressing roller speed adjustment coefficient U1, a second pressing roller speed adjustment coefficient U2, and a third pressing roller speed adjustment coefficient U3, wherein T4 < T5 < <T 6, 1 < U1 < U2 < U3 < 2,

when the control module judges that the melting point is not in the preset melting position range and the melting point is advanced, the control module calculates a difference S between the actual temperature T of the melting point and the second temperature of the melting point, selects a corresponding pressure roller rotating speed adjusting coefficient according to the difference to adjust the rotating speeds of the first pressure roller and the second pressure roller,

when the Δ T4 is less than or equal to T5, the control module selects a first pressure roller rotating speed adjusting coefficient U1 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ T5 is less than or equal to T6, the control module selects a second pressure roller rotating speed adjusting coefficient U2 to adjust the rotating speeds of the first pressure roller and the second pressure roller;

when the Δ S is Δ T6, the control module selects a third pressing roller rotating speed adjusting coefficient U3 to adjust the rotating speeds of the first pressing roller and the second pressing roller;

when the control module selects the nth pressing roller rotating speed adjusting coefficient Un to adjust the rotating speeds of the first pressing roller and the second pressing roller, n =1, 2, 3 is set, the control module sets the rotating speed of the adjusted first pressing roller to be Va 'and sets the rotating speed of the second pressing roller to be Vb', and Va '= Va × Un, Vb' = Vb × Un are set.

Specifically, a plurality of temperature difference values and pressure roller rotating speed adjusting coefficients are set in the control module, the difference value between the actual temperature of the melting point and the preset melting point temperature is calculated through the control module, and the corresponding pressure roller rotating speed adjusting coefficient is selected according to the difference value, so that the control module controls and adjusts the rotating speeds of the first pressure roller and the second pressure roller, the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Please continue to refer to FIGS. 1-5, the method for manufacturing a spring plate of a heavy truck with a thermoplastic composite according to the present invention further includes setting a first adjustment amount G1 for the release length of the thermoplastic composite, a second adjustment amount G2 for the release length of the thermoplastic composite, and a third adjustment amount G3 for the release length of the thermoplastic composite, wherein Δ G1 <ΔG2 <ΔG3,

when the control module adjusts the rotating speeds of the first pressure roller and the second pressure roller, the control module selects a corresponding thermoplastic composite material release length adjusting amount according to the difference S between the actual temperature of the melting point and the second temperature T2 of the melting point to adjust the release length of the thermoplastic composite material,

when the Δ T4 is less than or equal to T5, the control module selects a first adjustment amount G1 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the Δ T5 is less than or equal to T6, the control module selects a second adjustment amount G2 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the S is Δ T6, the control module selects the third adjustment amount G3 of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material;

when the control module selects the nth 'adjustment amount' GnGn 'of the release length of the thermoplastic composite material to adjust the release length of the thermoplastic composite material, setting n' 1, 2 and 3, and setting G '= G + GnG' to the release length of the adjusted thermoplastic composite material by the control module.

Specifically, the control module is provided with a plurality of thermoplastic composite material release length adjusting amounts, and the corresponding thermoplastic composite material release length adjusting amounts are selected according to the melting point temperature difference, so that the control module controls and adjusts the length of the composite material released by the thermoplastic composite material roll, the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Referring to fig. 1-5, in the method for manufacturing a spring plate of a heavy truck using a thermoplastic composite material according to the present invention, when the control module determines that the melting point is not within the predetermined melting position range and the melting point is advanced, the control module further adjusts the heating temperature of the first heating gun to be decreased according to the difference Δ S between the actual temperature of the melting point and the second temperature T2 of the melting point,

when the difference between the actual temperature of the melting point and the second temperature T2 of the melting point is Δ S, the control module controls to reduce the heating temperature of the first heating gun by Δ S, and the control module sets the adjusted heating temperature of the heating gun to be Ta 'and sets Ta ″' -Ta +s.

Specifically, if the control module judges that the melting point is advanced, the temperature of the first heating gun is adjusted by the difference value of the melting point temperature calculated by the control module correspondingly, so that the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Referring to fig. 1 to 5, in the method for manufacturing a spring plate of a heavy truck using a thermoplastic composite material according to the present invention, when the control module completes the adjustment of the rotation speed of the first pressing roller, the rotation speed of the second pressing roller, and the length of the thermoplastic composite material released from the thermoplastic composite material roll in a unit time, the control module obtains the value of the pressure sensor on the tensioning wheel, if the value is inconsistent with the tension, the control module adjusts the position of the first pressing roller, if the value of the pressure sensor is greater than the tension, the control module moves the position of the first pressing roller in a direction close to the thermoplastic composite material roll, if the value of the pressure sensor is less than the tension, the control module moves the position of the first pressing roller in a direction away from the thermoplastic composite material roll, and obtains the value of the pressure sensor in real time during the movement until the value of the pressure sensor is equal to the tension, the movement is stopped.

Specifically, the position of the first pressing roller is adjusted according to the comparison result by acquiring the numerical value of the pressure sensor and comparing the numerical value with the preset tension value, so that the control of the precision of the manufacturing process is further improved, and the quality of the manufactured spring is further improved.

Referring to fig. 1-5, in the method for manufacturing a spring plate of a heavy truck from a thermoplastic composite material according to the present invention, when the control module controls the winding mechanism to transfer N turns along the inner wall of the winding machine, the control module controls the cooling mechanism to cool the manufactured spring plate.

Specifically, the efficiency of preparing the spring plate is further improved by arranging at the control module to cool the spring plate when the winding mechanism rotates N turns.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.