Guide plate positioning and adjusting method and jig of moldable wire straightening machine and jig measuring method

Abstract

The invention discloses a guide plate positioning and adjusting method, a jig and a jig measuring method of a moldable wire straightening machine. The minimum Young's coefficient Emin, the maximum Young's coefficient Emax, the relative central axis distance y, the yield strength sigma s and the tensile strength sigma b of the to-be-shaped wire are obtained according to the material of the to-be-shaped wire, and then the qualified curvature radius lower limit rho min and the qualified curvature radius upper limit rho max of the to-be-shaped wire are obtained according to # imgabs0 #. And when the to-be-shaped wire passes through the guide plates of the shapable wire straightening machine, calculating the curvature radius rho, the distance beta between the guide plates and the adjusting distance h between the end part of a rotating seat of the shapable wire straightening machine and the to-be-shaped wire according to the geometrical relationship to obtain a qualified adjusting distance lower limit value hmin and a qualified adjusting distance upper limit value hmax. And when the adjusting distance h measured by the jig does not fall between the lower limit value hmin of the qualified adjusting distance and the upper limit value hmax of the qualified adjusting distance, the distance beta between the guide plates is adjusted.

Description

Technical Field

[0001] The present invention relates to a method for positioning and adjusting a guide plate of a shapeable wire straightening machine, a jig, and a jig measurement method, particularly according to the upper / lower limit values of the allowable curvature radius ρ of the wire to be shaped are obtained, and then, based on the geometric relationship among the curvature radius ρ, the distance β between the guide plates of the shapeable wire straightening machine, and the adjustment distance h between the end of the rotating seat of the shapeable wire straightening machine and the wire to be shaped, the upper / lower limit values of the allowable adjustment distance h are obtained. Therefore, by measuring whether the adjustment distance h falls within the allowable upper / lower limit values, the distance β between the guide plates can be adjusted. Background Art

[0002] A straightening machine mainly applies a reverse force to uneven metal plates, bars, or wires after production to correct their shapes to make them straight.

[0003] Among them, straightening machines are roughly classified into roll straightening machines and shapeable wire straightening machines.

[0004] A roll straightening machine mainly includes rollers arranged axially in a staggered manner and rotatable. By the relative rotation of the rollers, the material to be straightened passes between the rollers and is repeatedly squeezed by the rollers to achieve a straightening effect. The roll straightening machine can apply a relatively large force to the material to be straightened through the relatively rotating rollers. Therefore, the roll straightening machine is generally applicable to metal bars with a relatively large diameter. However, the roll straightening machine has a large equipment volume and occupies a large space, and the roll straightening machine can only detect the product quality and then adjust the parameters after the material to be straightened is straightened and output.

[0005] Chinese Patent No. CN108144989B proposes a "method for selecting equipment parameters of a roll straightening machine". In this case, according to the elastic-plastic deformation theory, combined with the hot rolling limit range, the strip biting condition, the motor rated power, and the allowable straightening force, the maximum straightenable thickness h_N(k) corresponding to the yield strength σs(k) of the strip is calculated to confirm the coverage range of the roll straightening machine equipment for product specifications. Therefore, users can select a suitable roll straightening machine equipment according to the products produced.

[0006] Chinese Patent No. CN113680850A proposes a "method for setting the reduction amount of a straightening machine". In this case, the curvature integration method is used, and the optimal reduction amount of the upper roll of the roll straightening machine is obtained by iteratively calculating according to the remaining curvature radius at the outlet of the material to be straightened.

[0007] Chinese Patent No. CN113877987A proposes a "method for presetting working parameters of a roller straightening machine". In this case, the straightening rollers are evenly divided into m segments along the length direction, and each segment corresponds to a bending roll unit. The transverse distribution Sj of the incoming strip shape is set, the original bending curvature radius rj of the j-th segment of the strip is calculated, the incoming roll gap Len of the upper roll system and the outgoing roll gap Lex of the upper roll system are calculated, the bending amount Wj of the j-th segment of the bending roll unit and the presetting of the working parameter values are calculated. The roll gap and the bending amount of the straightening rollers are accurately determined, which can improve the quality and yield of the straightened products.

[0008] The plastic wire straightening machine (such as a straightening machine, a wire straightening machine, a steel bar straightening machine, a cutting and straightening machine) mainly includes a rotating seat extending axially. In the rotating seat, guide plates extending axially and arranged in a staggered manner are provided. The material to be straightened passes between the guide plates with a set spacing and is clamped by the guide plates. The rotating seat drives the guide plates to rotate 360 degrees in the radial direction of the material to be straightened to achieve the straightening effect. The force exerted by the guide plates on the material to be straightened is small. Therefore, the plastic wire straightening machine is mainly used for wire products that require less straightening force.

[0009] The plastic wire straightening machine can adjust the position of the guide plates before straightening the material to be straightened. However, the adjustment of the guide plates is limited by the structure of the rotating seat. The upper and lower guide plates cannot be adjusted intuitively, and the amount of bending deformation of the material cannot be quantified. Only relying on the personal experience of the operator, at an angle of 30 to 45 degrees above the guide plates, the position of the guide plates and the deformation amount of the material to be straightened are judged by visual method, and then the rotating seat is rotated back 180 degrees to adjust the position of the guide plates. When straightening materials with different rigidities or sizes, the bending moment curvature needs to be tested separately to obtain the appropriate position of the guide plates. And the guide plates will wear due to contact with the material to be straightened during use. Especially after the guide plates have been used for a period of time, there is an increasing error in visual adjustment. And, different from the roller straightening machine, there is currently no method for quantitatively adjusting the guide plates of the plastic wire straightening machine. Summary of the Invention

[0010] Therefore, the object of the present invention is to provide a method and a jig for positioning and adjusting the guide plates of a plastic wire straightening machine, and a method for measuring the jig.

[0011] To achieve the above object, the present invention provides a method for positioning and adjusting the guide plates of a plastic wire straightening machine, including the following steps:

[0012] The plastic wire straightening machine includes a rotating seat extending axially. The rotating seat has a height H. In the rotating seat, at least three guide plates extending axially and arranged in a staggered manner are provided. The guide plates have a thickness T. The guide plates include at least one first guide plate on a first side and at least two second guide plates on a second side. The first guide plate has a first surface facing the second side, and the second guide plates have a second surface facing the first side. The first surface and the second surface have a spacing β in a radial direction.

[0013] A wire to be shaped passes through between the first guide plate and the second guide plate along the axial direction at the interval. The wire to be shaped has a central axis, a wire radius r, and a center of curvature C. The center of curvature C has a radius of curvature ρ from the central axis; the wire to be shaped has a first contact point A with the first surface, the center of curvature C and the first contact point A have a first distance CA, the wire to be shaped has a second contact point B with the second surface, the center of curvature C and the second contact point B have a second distance CB; the first surface has an origin 0 connecting the center of curvature C in the radial direction, the origin 0 and the central axis have a third distance α in the radial direction, the origin 0 and the first contact point A have a fourth distance a along the axial direction, and the origin 0 and the second contact point B have a fifth distance b along the axial direction.

[0014] Thus

[0015] Thus

[0016] Obtain the minimum Young's modulus E of the wire to be shaped according to the material of the wire to be shaped min and the maximum Young's modulus E max , the distance y from the central axis, the yield strength σ s and the tensile strength σ b . According to Obtain the lower limit value ρ of the qualified radius of curvature min and the upper limit value ρ of the qualified radius of curvature max .

[0017] When the wire to be shaped passes through between the first guide plate and the second guide plate, one end of the rotating seat has an adjustment distance h from the wire to be shaped in the radial direction.

[0018]

[0019] According to the lower limit value ρ of the qualified radius of curvature min and the upper limit value ρ of the qualified radius of curvature max Calculate and obtain the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max .

[0020] When the adjustment distance h does not fall between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max , adjust the interval β between the first surface of the first guide plate and the second surface of the second guide plate so that the adjustment distance h falls within the lower limit value h of the qualified adjustment distance minand the upper limit value h of the qualified adjustment distance max therebetween.

[0021] Furthermore, the lower limit value ρ of the qualified curvature radius min and the upper limit value ρ of the qualified curvature radius max and the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max are obtained by a processor operation; the adjustment distance h of the wire to be shaped is input into the processor. When the adjustment distance h falls between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max , the processor controls a warning unit to output a qualified signal. When the adjustment distance h does not fall between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max , the processor controls the warning unit to output an adjustment guide plate signal.

[0022] Furthermore, the processor controls an adjustment unit to actuate, and the adjustment unit controls the relative movement of the first guide plate and the second guide plate to adjust the distance β between the first surface and the second surface.

[0023] Furthermore, the rotating seat has an inlet and an outlet in the axial direction. The first guide plate and the second guide plate are close to the inlet. The guide plate further includes a third guide plate and a fourth guide plate arranged alternately on the first side and the second side along the axial direction. The third guide plate and the fourth guide plate are close to the outlet. There is a distance β' between the third guide plate and the fourth guide plate, which is slightly larger than the distance β, and a pressure sensor is installed on the third guide plate or / and the fourth guide plate. After the wire to be shaped is straightened by passing between the first guide plate and the second guide plate, it continues to pass between the third guide plate and the fourth guide plate. The pressure sensor senses a pressure value applied when the wire to be shaped passes between the third guide plate and the fourth guide plate. When the pressure value exceeds a preset pressure value, the processor controls the warning unit to output a warning signal.

[0024] In addition to the foregoing description of the present invention, according to whether the adjustment distance h falls between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max to adjust the distance β between the first guide plate and the second guide plate, the processor can also calculate the lower limit value β of the qualified distance min and the upper limit value β of the qualified distance max from the lower limit value ρ of the qualified curvature radius and the upper limit value ρ of the qualified curvature radius. When the distance β does not fall between the lower limit value β of the qualified distance min and the upper limit value β of the qualified distance max ,min and the upper limit value β of the qualified spacing max When it is between them, the processor controls the warning unit to output an adjusting guide plate signal, prompting to adjust the first guide plate and the second guide plate so that the spacing β falls within the lower limit value β of the qualified spacing min and the upper limit value β of the qualified spacing max between them.

[0025] The present invention further provides a jig for the guide plate positioning and adjusting method used in the aforementioned plasticizable wire straightening machine, including:

[0026] A base plate, having a reference surface in a plane, and a guide groove penetrating through the base plate to the reference surface. A measuring scale, passing through the guide groove of the base plate and perpendicular to the reference surface. Place the base plate at the end of the rotating seat, make the reference surface fit the end, and measure the adjustment distance h through the measuring scale.

[0027] Further, two magnetic parts are embedded at intervals on the reference surface. When the reference surface of the base plate fits the end of the rotating seat, the two magnetic parts are adsorbed on the end to fix the base plate, and at the same time, the jig can be positioned at the correct position to accurately measure the adjustment distance h.

[0028] Further, an elastic member connects the base plate and the measuring scale.

[0029] The present invention also provides a method for measuring the aforementioned adjustment distance h using a jig, including the following steps:

[0030] Place a base plate of the jig at the end of the rotating seat so that a reference surface of the base plate fits the end, and make two magnetic parts embedded in the reference surface be adsorbed on the end to fix the base plate on the rotating seat, so that the jig will not fall due to the rotation of the rotating seat. A measuring scale passes through a guide groove penetrating the base plate and is perpendicular to the reference surface; when the base plate is fixed on the rotating seat, the measuring scale vertically presses down along the guide groove to contact the wire to be shaped, and the adjustment distance h is read through the measuring scale. An elastic member connects the base plate and the measuring scale, and when the measuring scale presses down, the measuring scale is tightly attached to the wire to be shaped without loosening by storing elastic potential energy, and the measuring scale automatically resets after the measurement is completed.

[0031] The following effects can be achieved according to the above technical features:

[0032] 1. The present invention provides a conveniently measurable and quantifiable measured value (adjustment distance h) for on-site operators to conveniently adjust the position of the guide plate. Compared with the traditional method of observing and making visual adjustments at an angle of 30 degrees to 45 degrees above the guide plate, the present invention solves the problem of being unable to directly and visually adjust the position of the guide plate, and stabilizes the product quality and improves production efficiency through standardized parameter adjustment.

[0033] 2. The present invention can input relevant Young's modulus E, yield strength σ s , tensile strength σ b and other parameters according to the materials of different wire materials to be shaped. When the wire material to be shaped passes between the first guide plate and the second guide plate at the front end, the distance h is measured and adjusted, and then the positions of the first guide plate and the second guide plate are adjusted. Therefore, before the straightening work of the wire material to be shaped, the guide plates can be adjusted to the correct positions, and it is not necessary to repeatedly measure the quality of the finished product after the wire material to be shaped is straightened and then adjust the positions of the guide plates.

[0034] 3. The present invention uses a measuring scale to contact the wire material to be shaped and directly measures the adjustment distance h between the wire material to be shaped and the end of the rotating seat. Therefore, it will not be affected by the wear degree of the guide plates, reducing many parameter changes that need to be considered in the adjustment process of the prior art. Only three parameters of the mechanical properties of the material are used to calculate the numerical value, simplifying the process of determining the adjustment position of the guide plates, which cannot be predicted and taught by the prior art in the past.

[0035] 4. By connecting the adjustment unit through a processor, it can better adapt to the materials and sizes of different wire materials to be shaped and achieve the effect of automatic adjustment.

[0036] 5. Installing pressure sensors on the third guide plate or / and the fourth guide plate can meet the quality control requirements of the products after the wire material to be shaped is straightened. There were no relevant research literatures and application information on installing pressure sensors on this device in the past. Because the contribution of each guide plate to the plastic deformation of the wire material was uncertain, through calculation and implementation, the present invention determines that installing pressure sensors on the third guide plate or / and the fourth guide plate is a better installation position. At the same time, selecting pressure sensors is also to solve the online quality control problem. This online quality control problem has not been mentioned in the past, let alone a solution method has been proposed.

[0037] 6. The fixture for facilitating the implementation of this method in the present invention includes two magnetic parts embedded at intervals on the reference surface. When the reference surface of the substrate fits the end of the rotating seat, the two magnetic parts adsorb on the end to fix the substrate. Since the fixtures are all made of steel, designing two magnetic parts to adsorb on them can not only prevent them from falling during use, but also fix the degree of contact and tightness with the end, avoiding errors caused by different degrees of contact and tightness of the end due to the measurement habits of the measurer. This inconvenience in guide plate positioning has not been mentioned and designed to be solved by fixtures in the past, let alone the idea of embedding two magnetic parts at intervals.

[0038] 7. For those who adjust the guide plate positioning, they often face the inconvenience of measuring the size with one hand. This inconvenience has not been mentioned. The fixture for facilitating the implementation of this method in the present invention has an elastic part connecting the substrate and the measuring scale, and the elastic part can fix the measuring scale during measurement, bringing much convenience for one-handed measurement. Brief Description of the Drawings

[0039] Figure 1This is a three-dimensional external view of a shapeable wire straightening machine in an embodiment of the present invention.

[0040] Figure 2 This is a schematic diagram showing that in an embodiment of the present invention, the guide plates of the shapeable wire straightening machine are arranged alternately on the first side and the second side along the axial direction.

[0041] Figure 3 This is a schematic diagram showing that in an embodiment of the present invention, the wire to be shaped passes between the first guide plate and the second guide plate.

[0042] Figure 4 This is a functional block diagram showing the operation and processing in an embodiment of the present invention in combination with electronic components such as a processor, an adjustment unit, and a pressure sensor.

[0043] Figure 5 This is a schematic diagram showing that in an embodiment of the present invention, the wire to be shaped passes between the third guide plate and the fourth guide plate after being straightened.

[0044] Figure 6 This is a three-dimensional external view of a jig for measuring the adjustment distance h from one perspective in an embodiment of the present invention.

[0045] Figure 7 This is a three-dimensional external view of a jig for measuring the adjustment distance h from another perspective in an embodiment of the present invention.

[0046] Figure 8 This is a three-dimensional external view showing the measurement of the adjustment distance h using the jig in an embodiment of the present invention.

[0047] Figure 9 This is a side view showing the measurement of the adjustment distance h using the jig in an embodiment of the present invention.

[0048] Figure 10 This is a front view showing the measurement of the adjustment distance h using the jig in an embodiment of the present invention.

[0049] Explanation of reference numerals: 1 - rotating base; 11 - inlet; 12 - outlet; 13 - first side; 14 - second side; 15 - end; 2 - first guide plate; 21 - first surface; 3 - second guide plate; 31 - second surface; 4 - third guide plate; 5 - fourth guide plate; 6 - wire to be shaped; 7 - processor; 8 - adjustment unit; 9 - pressure sensor; 10 - warning unit; 20 - substrate; 201 - reference plane; 202 - guide groove; 30 - magnetic member; 40 - scale; 50 - elastic member; S - axial direction; R - radial direction; β - pitch; P - central axis; r - wire radius; C - center of curvature; ρ - radius of curvature; A - first contact point; CA - first distance; B - second contact point; CB - second distance; 0 - origin; α - third distance; a - fourth distance; b - fifth distance; H - height; T - thickness; h - adjustment distance. Detailed Description of the Invention

[0050] The following embodiments are only used to assist in explaining the guide plate positioning adjustment method, fixture, and fixture measurement method of the plasticizable wire straightening machine of the present invention, and are not intended to limit the present invention.

[0051] Refer to Figure 1 and Figure 2 As shown in

[0052] A rotating seat 1 extending in an axial direction S. At opposite ends of the rotating seat 1 in the axial direction S, there is an inlet 11 and an outlet 12 respectively. A plurality of guide plates extending along the axial direction S and arranged in a staggered manner are provided in the rotating seat 1. The guide plates include at least one first guide plate 2 on a first side 13 and at least two second guide plates 3 on a second side 14. The first guide plate 2 and the second guide plates 3 are close to the inlet 11. The guide plates further include at least one third guide plate 4 on the first side 13 and at least one fourth guide plate 5 on the second side 14. The third guide plate 4 and the fourth guide plate 5 are close to the outlet 12. In this embodiment, a total of ten guide plates are provided in the rotating seat 1, including one first guide plate 2 and two second guide plates 3, and four third guide plates 4 and three fourth guide plates 5 arranged in a staggered manner in sequence from adjacent to the second guide plate 3 to adjacent to the opening 12.

[0053] A wire 6 to be shaped is fed into the rotating seat 1 from the inlet 11, straightened by the guide plates, and then sent out from the outlet 12 of the rotating seat 1, and further cut into the required length by a cutting machine. In this embodiment, the wire 6 to be shaped is taken as a coil with substantially the same curvature.

[0054] Refer to Figure 3 As shown in

[0055] The wire 6 to be shaped has a central axis P, a wire radius r, and a curvature center C. The curvature radius ρ is from the curvature center C to the central axis P. The wire 6 to be shaped has a first contact point A with the first surface 21. The first distance CA is from the curvature center C to the first contact point A. The wire 6 to be shaped has a second contact point B with the second surface 31. The second distance CB is from the curvature center C to the second contact point B. The first surface 21 has an origin 0 connecting the curvature center C in the radial direction R. The third distance α is from the origin 0 to the central axis P in the radial direction R. The fourth distance a is from the origin 0 to the first contact point A along the axial direction S. The fifth distance b is from the origin 0 to the second contact point B along the axial direction S.

[0056] In the geometric relationship, according to the trigonometric functions,

[0057] Therefore

[0058] Therefore

[0059] Obtain the minimum Young's modulus E of the wire 6 to be shaped according to the material of the wire 6 to be shaped min , the maximum Young's modulus E max , the distance y (radius) from the central axis, the yield strength σ s and the tensile strength σ b . Then according to Obtain the lower limit value ρ of the qualified curvature radius of the wire 6 to be shaped after straightening min and the upper limit value ρ of the qualified curvature radius max .

[0060] In Figure 3 , the rotating seat 1 has a height H, the guide plate has a thickness T, and when the wire 6 to be shaped passes between the first guide plate 2 and the second guide plate 3, one end 15 of the rotating seat 1 has an adjustment distance h from the wire 6 to be shaped in the radial direction R.

[0061] In the geometric relationship,

[0062]

[0063] Therefore, according to the relationship between the curvature radius ρ, the spacing β and the adjustment distance h, from the lower limit value ρ of the qualified curvature radius min and the upper limit value ρ of the qualified curvature radius max Calculate and obtain the lower limit value h of the qualified adjustment distance of the wire 6 to be shaped after straightening min and the upper limit value h of the qualified adjustment distance max .

[0064] When the adjustment distance h does not fall between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max , adjust the spacing β between the first surface 21 of the first guide plate 2 and the second surface 31 of the second guide plate 3 so that the adjustment distance h falls between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max so that the wire 6 to be shaped can meet the quality requirements after straightening.

[0065] Taking the S316LC stainless steel wire rod with a diameter of 5 mm as an example for the wire 6 to be shaped, its Young's modulus E is between 190,000 and 220,000 MPa, and its yield strength σ s is between 450 and 550 MPa, and its tensile strength σ b is between 650 and 750 MPa. Therefore,

[0066] The lower limit value ρ of its qualified curvature radius min is ρ min = 190000 * 2.5 / 750 = 633.3.

[0067] The upper limit value ρ of its qualified curvature radius max is ρ max = 220000 * 2.5 / 450 = 1222.2.

[0068] Taking the height H of the rotating base 1 as 100 mm, the thickness T of the guide plate as 6.5 mm, the fourth distance a as 22 mm, and the fifth distance b as 28 mm as an example, after calculation, the lower limit value h of its qualified adjustment distance min is 47 mm, and the upper limit value h of its qualified adjustment distance max is 47.241 mm.

[0069] Therefore, when straightening the S316LC stainless steel wire with a diameter of 5 mm, it is possible to judge whether the adjustment of the guide plate position meets the requirements by measuring whether the adjustment distance h of the guide plate falls between 47 mm and 47.241 mm, and to determine whether it is qualified by measuring the straightness of the wire after straightening.

[0070] Table 1 is an experimental table of adjusting the guide plate of the wire straightening machine for the shapeable wire by the traditional visual adjustment and the adjustment technique of the present invention

[0071]

[0072] Taking the S316LC stainless steel wire rod with a diameter of 5 mm as an example for the wire 6 to be shaped, adjusting the guide plate of the wire straightening machine by the traditional visual adjustment method and the adjustment technique of the present invention, and after shaping the wire 6 to be shaped, measuring the straightness of the shaped wire with a laser straightness measuring instrument respectively. As shown in Table 1, three operators adjust it three times respectively by the traditional visual adjustment method and the technique of the present invention. From the adjustment results, it can be known that the technique of the present invention can adjust the wire 6 to be shaped to the required straightness each time, while the traditional visual adjustment method is less stable.

[0073] According to the foregoing description, the embodiments of the present invention provide a measurable and quantifiable measurement value (adjustment distance h) for the on-site operators to conveniently adjust the position of the guide plate. And the embodiments of the present invention can input the relevant Young's modulus E and yield strength σ according to different wires 6 to be shaped s, Tensile strength σ b and other parameters, and measure the adjustment distance h when the front end of the wire 6 to be shaped passes between the first guide plate 2 and the second guide plate 3, and then adjust the positions of the first guide plate 2 and the second guide plate 3. Therefore, before the straightening work of the wire 6 to be shaped, the guide plates can be adjusted to the correct positions, and there is no need to measure the quality of the finished product after the wire 6 to be shaped is straightened and then adjust the positions of the guide plates.

[0074] Refer to Figure 3 and Figure 4 As shown, in this embodiment, the lower limit value ρ min of the qualified curvature radius, the upper limit value ρ max of the qualified curvature radius, the lower limit value h min of the qualified adjustment distance, and the upper limit value h max of the qualified adjustment distance and other parameters are obtained by calculation of a processor 7. Input the adjustment distance h of the wire 6 to be shaped into the processor 7. When the adjustment distance h falls between the lower limit value h min of the qualified adjustment distance and the upper limit value h max of the qualified adjustment distance, the processor 7 can control a warning unit 10 to output a qualified signal. When the adjustment distance h does not fall between the lower limit value h min of the qualified adjustment distance and the upper limit value h max of the qualified adjustment distance, the processor 7 can control the warning unit 10 to output an adjust guide plate signal. Preferably, an adjustment unit 8 such as a motor can be installed on the nuts for screwing and fixing the first guide plate 2 and the second guide plate 3, and the processor 7 can control the adjustment unit 8 to act, so that the adjustment unit 8 controls the first guide plate 2 and the second guide plate 3 to move relatively to adjust the distance β between the first surface 21 and the second surface 31.

[0075] In addition to the above description, in addition to adjusting the distance β between the first guide plate 2 and the second guide plate 3 according to whether the adjustment distance h falls between the lower limit value h min of the qualified adjustment distance and the upper limit value h max of the qualified adjustment distance, the processor 7 can also calculate the lower limit value β min of the qualified spacing and the upper limit value β max of the qualified spacing according to the lower limit value ρ min of the qualified curvature radius and the upper limit value ρ max of the qualified curvature radius. When the spacing β does not fall between the lower limit value β min of the qualified spacing and the upper limit value β maxWhen it is between them, the processor 7 can control the warning unit 10 to output an adjusting guide plate signal to prompt or control the adjustment of the first guide plate 2 and the second guide plate 3, so that the distance β can be accurately adjusted to the lower limit value β of the qualified distance min and the upper limit value β of the qualified distance max between them.

[0076] Refer to Figure 4 and Figure 5 As shown, there is a distance β' between the third guide plate 4 and the fourth guide plate 5 which is slightly larger than the distance β, and a pressure sensor 9 is installed on the third guide plate 4 or / and the fourth guide plate 5. After the wire to be shaped 6 is straightened by passing between the first guide plate 2 and the second guide plate 3, it can be guided to continue passing between the third guide plate 4 and the fourth guide plate 5. The pressure sensor 9 senses a pressure value exerted when the wire to be shaped 6 passes between the third guide plate 4 and the fourth guide plate 5. When the pressure value exceeds a preset pressure value, that is, the curvature of the wire to be shaped 6 still does not meet the quality requirements after being straightened, at this time the processor 7 can control the warning unit 10 to output a warning signal to notify the personnel to detect and confirm.

[0077] Refer to Figure 6 and Figure 7 As shown, the fixture of this embodiment includes:

[0078] A substrate 20 has a reference surface 201 in a plane, and there is a guide groove 202 on the substrate 20 that penetrates to the reference surface 201. Two magnetic parts 30 are embedded on the reference surface 201 at intervals. A scale 40 passes through the guide groove 202 of the substrate 20 and is perpendicular to the reference surface 201. An elastic member 50 connects the substrate 20 and the scale 40.

[0079] Refer to Figures 8 to 10 As shown, place the substrate 20 at the end 15 of the rotating seat 1, make the reference surface 201 fit the end 15, and make the two magnetic parts 30 adsorb on the end 15 to fix the substrate 20 on the rotating seat 1, so that the fixture will not fall off due to the rotation of the rotating seat 1. The scale 40 vertically presses down along the guide groove 202 to contact the wire to be shaped 6, and the adjustment distance h can be read through the scale 40. When the scale 40 is pressed down, the elastic member 50 can make the scale 40 closely fit the wire to be shaped 6 without loosening by storing elastic potential energy, and the scale 40 can automatically reset after the measurement. By using the scale 40 to contact the wire to be shaped 6 to directly measure the adjustment distance h between the wire to be shaped 6 and the end 15, it will not be affected by the wear of the guide plate.

[0080] Based on the descriptions of the above embodiments, the operation, use and effects of the present invention can be fully understood. However, the above embodiments are only the preferred embodiments of the present invention, and the scope of implementation of the present invention cannot be limited thereby. That is, simple equivalent changes and modifications made according to the claims and the description content of the present invention all fall within the scope covered by the present invention.

Claims

1. A method for positioning and adjusting a guide plate of a shapeable wire straightening machine, characterized in that, Comprising the following steps: The shapeable wire straightening machine includes a rotating seat extending axially. The rotating seat has a height H. At least three guide plates extending axially and arranged staggered are provided in the rotating seat. The guide plates have a thickness T. The guide plates include at least one first guide plate on a first side and at least two second guide plates on a second side. The first guide plate has a first surface facing the second side, and the second guide plates have a second surface facing the first side. The first surface and the second surface have a radial spacing β. A wire to be shaped passes axially through the spacing between the first guide plate and the second guide plates. The wire to be shaped has a central axis, a wire radius r, and a center of curvature C. The center of curvature C has a radius of curvature ρ from the central axis. The wire to be shaped has a first contact point A with the first surface. The center of curvature C has a first distance CA from the first contact point A. The wire to be shaped has a second contact point B with the second surface. The center of curvature C has a second distance CB from the second contact point B. The first surface has an origin 0 connecting the center of curvature C in the radial direction. The origin 0 has a third distance α from the central axis in the radial direction. The origin 0 has a fourth distance a from the first contact point A along the axial direction. The origin 0 has a fifth distance b from the second contact point B along the axial direction. Therefore Therefore Obtain the minimum Young's modulus E of the wire to be shaped according to the material of the wire to be shaped min and the maximum Young's modulus E max , the distance y from the central axis, the yield strength σ s and the tensile strength σ b ; According to obtain the lower limit value ρ of the qualified curvature radius min and the upper limit value ρ of the qualified curvature radius max ; When the wire to be shaped passes through the spacing between the first guide plate and the second guide plates, one end of the rotating seat has an adjustment distance h from the wire to be shaped in the radial direction. According to the lower limit value ρ of the qualified curvature radius min and the upper limit value ρ of the qualified curvature radius max calculate and obtain the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max ; When the adjustment distance h does not fall between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max Adjust the spacing β between the first surface of the first guide plate and the second surface of the second guide plate so that the adjustment distance h falls between the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max therebetween.

2. The guide plate positioning and adjustment method of the shapeable wire straightening machine according to claim 1, characterized in that, The lower limit value ρ of the qualified curvature radius min 、the upper limit value ρ of the qualified curvature radius max 、the lower limit value h of the qualified adjustment distance min and the upper limit value h of the qualified adjustment distance max are obtained by a processor operation; the adjustment distance h of the wire to be shaped is input into the processor. When the adjustment distance h falls between the lower limit value h min of the qualified adjustment distance and the upper limit value h max of the qualified adjustment distance, the processor controls a warning unit to output a qualified signal. When the adjustment distance h does not fall between the lower limit value h min of the qualified adjustment distance and the upper limit value h max of the qualified adjustment distance, the processor controls the warning unit to output an adjustment guide signal.

3. The method for positioning and adjusting the guide plate of the plastic deformable wire straightening machine according to claim 2, characterized in that, The processor controls an adjustment unit to actuate. The adjustment unit controls the relative movement of the first guide plate and the second guide plates to adjust the spacing β between the first surface and the second surface.

4. The method for positioning and adjusting the guide plate of the plastic wire straightening machine according to claim 2, wherein The rotating seat has an inlet and an outlet in the axial direction. The first guide plate and the second guide plates are close to the inlet. The guide plates further include a third guide plate and a fourth guide plate arranged staggered on the first side and the second side along the axial direction. The third guide plate and the fourth guide plate are close to the outlet. There is a spacing β' between the third guide plate and the fourth guide plate which is slightly larger than the spacing β. A pressure sensor is installed on the third guide plate or / and the fourth guide plate. The pressure sensor is electrically connected to the processor. After the wire to be shaped is straightened by passing through the spacing between the first guide plate and the second guide plates, it continues to pass through the spacing between the third guide plate and the fourth guide plates. The pressure sensor senses a pressure value exerted when the wire to be shaped passes through the third guide plate and the fourth guide plates. When the pressure value exceeds a preset pressure value, the processor controls the warning unit to output a warning signal.

5. A jig for a guide plate positioning adjustment method of a plastic wire straightening machine used in any one of claims 1 to 4, characterized in that, Including: A substrate having a reference surface in a plane, and a guide groove penetrating to the reference surface on the substrate. A measuring scale passing through the guide groove of the substrate and perpendicular to the reference surface. Place the substrate at the end of the rotating seat so that the reference surface fits the end, and measure the adjustment distance h through the measuring scale.

6. The jig according to claim 5, characterized in that, Embed two magnetic members at intervals on the reference surface. When the reference surface of the substrate fits the end of the rotating seat, the two magnetic members are adsorbed on the end to fix the substrate.

7. The jig according to claim 5, characterized in that, There is an elastic member connecting the substrate and the measuring scale.

8. A method for positioning and adjusting a guide plate of a plastic wire straightening machine, characterized in that, Comprising the following steps: The shapeable wire straightening machine includes a rotating base extending axially. The rotating base has a height H. At least three guide plates extending axially and arranged staggeredly are provided in the rotating base. The guide plates have a thickness T. The guide plates include at least one first guide plate on a first side and at least two second guide plates on a second side. The first guide plate has a first surface facing the second side, and the second guide plate has a second surface facing the first side. The first surface and the second surface have a radial spacing β. A wire to be shaped passes axially through the spacing between the first guide plate and the second guide plate. The wire to be shaped has a central axis, a wire radius r, and a center of curvature C. The center of curvature C has a radius of curvature ρ from the central axis. The wire to be shaped has a first contact point A with the first surface. The center of curvature C has a first distance CA from the first contact point A. The wire to be shaped has a second contact point B with the second surface. The center of curvature C has a second distance CB from the second contact point B. The first surface has an origin 0 connecting the center of curvature C in the radial direction. The origin 0 has a third distance α from the central axis in the radial direction. The origin 0 has a fourth distance a from the first contact point A along the axial direction. The origin 0 has a fifth distance b from the second contact point B along the axial direction. Therefore Therefore A processor obtains the minimum Young's modulus E of the wire to be shaped according to the material of the wire to be shaped min , the maximum Young's modulus E max , the distance y from the central axis, the yield strength σ s and the tensile strength σ b ; According to The processor calculates and obtains the lower limit value ρ of the qualified curvature radius min and the upper limit value ρ of the qualified curvature radius max ; The processor calculates and obtains a lower limit value β of the qualified pitch and an upper limit value β of the qualified pitch based on the lower limit value ρ of the qualified curvature radius and the upper limit value ρ of the qualified curvature radius. min and the upper limit value ρ of the qualified curvature radius max to calculate and obtain a lower limit value β of the qualified pitch min and an upper limit value β of the qualified pitch max ; When the spacing β does not fall between the lower limit value β of the qualified spacing min and the upper limit value β of the qualified spacing max the processor controls a warning unit to output an adjusting guide plate signal, prompting to adjust the first guide plate and the second guide plate so that the spacing β falls between the lower limit value β of the qualified spacing min and the upper limit value β of the qualified spacing max therebetween.

9. A method for measuring the adjusted distance h as described in any one of claims 1 to 4 using a jig, characterized in that, It includes the following steps: Place a base plate of the fixture at the end of the rotating base so that a reference surface of the base plate fits the end, and make two magnetic members embedded in the reference surface adsorb on the end to fix the base plate on the rotating base, so that the fixture does not fall due to the rotation of the rotating base. A scale passes through a guide groove penetrating the base plate and is perpendicular to the reference surface. When the base plate is fixed on the rotating base, the scale presses vertically along the guide groove to contact the wire to be shaped, and the adjustment distance h is read through the scale. An elastic member connects the base plate and the scale. When the scale is pressed down, the scale is closely attached to the wire to be shaped without loosening by storing elastic potential energy, and the scale automatically resets after the measurement.

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