CN1403264A - Method and device for adjusting stroke amount - Google Patents

Method and device for adjusting stroke amount Download PDF

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Publication number
CN1403264A
CN1403264A CN 01131009 CN01131009A CN1403264A CN 1403264 A CN1403264 A CN 1403264A CN 01131009 CN01131009 CN 01131009 CN 01131009 A CN01131009 A CN 01131009A CN 1403264 A CN1403264 A CN 1403264A
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adjustable
coil spring
stroke
adjustable coil
force
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CN1195616C (en
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周政明
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Abstract

A method and device for adjusting stroke. In order to provide a compression molding equipment auxiliary device which can adjust the error of the plane stroke of the mold in the compression molding process and the displacement of the moving mold in the variable volume mold filling process at any time, and reduce the reject ratio of products and the production cost, the invention provides the device which comprises an upper stroke plate, a lower stroke plate, a supporting rod, an adjustable spiral spring with a displacement sensor and a central processing unit; the method comprises setting the stress of the adjustable coil spring, rotating the rotating body, injecting molten raw material, press forming and maintaining pressure, transmitting the displacement signal to the central processing unit by the displacement sensor of the adjustable coil spring, opening the mold to complete the hot pressing process, converting the displacement signal by the central processing unit, calculating the deformation and stress of the adjustable coil spring, calculating the rotating angle of the rotating body by the inner difference method, and rotating the rotating body to a proper angle.

Description

The method of stroke regulating and device thereof
Technical field
The invention belongs to the method and the device thereof of mobile mould the displacement control appliance, particularly a kind of stroke regulating of compression molding device servicing unit and variable volume mold filling.
Background technology
In the known compression molding techniques, when also strength puts on patrix counterdie compression moulding in the past in addition in the raw material that melts stove injects the cavity of resorption mould, in pressing process, factors such as process because of the stroke of the control of the process of mould location, moulding, mould temperature, pressing mold and time control, pressurize, the capital influences the final molding of goods, also can influence the flat accuracy and the thickness of product surface, promptly the univers parameter of processing procedure causes the error of progression.When the precision of goods changes, just after producing a considerable amount of defective products, just can be detected, and breaks in production comes inspection process equipment, mold exchange spare part etc. more, not only time-consuming, effort also may arrive and finally also can not find the problem place.
Other is about the processing procedure of variable volume mold filling, variation along with the goods specification, the specification of same type has multiple size, for the number of times that reduces mold exchange more or reduce change the mobile mould displacement of control device to increase output, therefore in identical die cavity, partly or entirely use the variable volume die cavity to change the specification of goods.In plastics inject the variable volume die cavity, influence the specification of goods and the flat accuracy on surface along with the displacement of the different and mobile mould of injection pressure, therefore molten plastic changes and displacement the pressure of each point on the mobile mould in the accurate control variable volume die cavity, can make goods meet the requirements of precision.
Summary of the invention
The purpose of this invention is to provide mobile mould in a kind of margin of error that can adjust mould plane stroke in the pressing mold processing procedure at any time and the variable volume mold filling processing procedure displacement, reduce the method and the device thereof of the stroke regulating of goods fraction defective and production cost.
Stroke regulating device of the present invention comprises stroke upper plate, stroke lower plate, support bar, adjustable helical spring and CPU; Be respectively arranged with several adjustable helical springs on the stroke upper plate and adjust seat and several support bars adjustment seat; The stroke lower plate is provided with several adjustable helical spring holders and several support bar holders; The support bar two ends are arranged at the support bar of the upper and lower plate of stroke respectively and adjust on seat and the support bar holder, by the starting force of adjusting distance initial between the upper and lower plate of stroke and supporting; CPU system receive the adjustable helical spring of being exported by the displacement sensing device after stressed deflection and the margin of error behind the product molding, and compare with basic parameter and to handle back output and adjust signal to the rotary body drives structure, make adjustable helical spring reach the coefficient of elasticity of demand; Adjustable helical spring has the sensor that is used to measure its stressed back length variations displacement, and will measure signal and deliver to CPU, and it has rotary body and reaches the drives structure that combines with it; Adjustable helical spring is arranged at the adjustable helical spring of the upper and lower plate of stroke and adjusts between seat and the adjustable helical spring holder, and rotary body drives structure system receives the adjustment signal of CPU output and adjusts rotary body.
The method of stroke regulating of the present invention is used in the pressing mold processing procedure, comprises the steps:
(1) CPU stores each adjustable helical spring basic parameter, set the starting force of stroke regulating device, and set the power output and the adjustable helical spring deflection of oil hydraulic cylinder, according to the power output of oil hydraulic cylinder, adjustable helical spring quantity and set adjustable helical spring stressed respectively at the relative position of mould;
(2) according to each adjustable helical spring stressed and deflection to calculate its coefficient of elasticity, obtain the angle that rotary body rotates according to basic parameter with the interpolation method, and utilize the rotary body drives structure that rotary body is gone to suitable angle;
(3) patrix is positioned initial position, makes upper and lower mould keep suitable distance, inject the raw material of fusion in order to feeding machine by the side of upper and lower mould;
(4) utilize the molten plastic of feeding machine, plastics are injected in the counterdie, when feeding machine is finished when injecting raw material the moving-wire the during patrix that gets out while you can compacting by the side of upper and lower mould with proper volume;
(5) start the oil hydraulic cylinder output pressure, with oil hydraulic cylinder pressing plate, stroke upper plate, adjustable helical spring, stroke lower plate, upper molded plate and patrix together to the direction closing of counterdie, and the raw material that begins pressure is acted on fusion in the counterdie;
(6) raw material of the interior fusion of counterdie forces fused raw material to flow toward the less place of pressure because of the pressure of oil hydraulic cylinder, and pushes residual air and discharged by airway, and the raw material of fusion riddles in the closed mould cavity of upper and lower mould formation;
(7) cooling that blows slowly of the raw material Yin Mowen of fusion and solidify and airway in the curing of raw material, cause pressurize to raw material in the die cavity, the raw material in the die cavity forms back-pressure to the pressure of oil hydraulic cylinder output;
(8) raw material in the die cavity oil hydraulic cylinder maintain static and the pressurize of stroke regulating device under, be able to till goods solidify fully, and in the process of solidifying, goods shunk uniformly, improve the optimization of product surface;
(9) by each adjustable helical spring displacement sensing device the signal of displacement is sent to CPU;
(10) patrix returns to initial position and ejects goods, finishes hot pressing program once;
(11) CPU is with the displacement signal conversion of adjustable helical spring displacement sensing device, obtain eject on the goods margin of error that measures with respect to adjustable helical spring position after, calculate the stressed margin of error of adjustable helical spring more respectively, revise each adjustable helical spring deflection and stressed respectively;
(12), return step (2), to use as next pressing mold circulation time according to stressed and deflection.
Wherein:
A kind of method of stroke regulating is used in the variable volume mold filling processing procedure, it is characterized in that it comprises the steps:
(1) CPU stores each adjustable helical spring basic parameter, set the pressure that the starting force of stroke regulating device, the pressure of setting initial ejaculation and back segment penetrate, and set adjustable helical spring deflection, the pressure, the adjustable helical spring quantity that penetrate according to back segment reach adjustable helical spring stressed to set respectively at the relative position of mould;
(2) according to each adjustable helical spring stressed and deflection to calculate its coefficient of elasticity, obtain the angle that rotary body rotates according to basic parameter with the interpolation method, and utilize the rotary body drives structure that rotary body is gone to suitable angle;
(3) locked mode closure is opened in airway and the molten plastic injection die cavity with proper volume, and initial ejaculation pressure is finished the part mold filling of fixed volume in the die cavity;
(4) closed airway starts back segment and penetrates pressure, and the part filling of variable volume die cavity is finished, and the halt of mobile mould is at the equalization point of the stressed of stroke regulating device with the variable volume cavity pressure;
(5) plastics in the die cavity are able to till goods solidify fully under the pressurize of stroke regulating device, and in the process of solidifying goods are shunk uniformly, improve the optimization of product surface;
(6) with each adjustable helical spring displacement sensing device the signal of displacement is sent to CPU;
(7) die sinking ejects goods, finishes variable volume mold filling program one time;
(8) CPU is with the displacement signal conversion of adjustable helical spring displacement sensing device, obtain eject on the goods margin of error that measures with respect to adjustable helical spring position after, calculate the stressed margin of error of adjustable helical spring out of the ordinary again, revise each adjustable helical spring deflection and stressed respectively;
(9), return step (2), to use as next variable volume mold filling circulation time according to stressed and deflection.
The computing flow process of CPU comprises:
(1) CPU stores each adjustable helical spring basic parameter;
(2) obtain the power output of processing procedure and set adjustable helical spring deflection;
(3) according to adjustable helical spring at the relative position of stroke regulating device, calculate that it is stressed;
(4) calculate each adjustable helical spring coefficient of elasticity according to stressed and deflection;
(5) CPU calculates the angle that adjustable helical spring should rotate according to each adjustable helical spring basic parameter with the interpolation method;
(6) behind the product molding, CPU obtains and measures the margin of error and the adjustable helical spring deflection thereof of goods with respect to each adjustable helical spring position;
(7) revise each adjustable helical spring deflection and stressed respectively, return step (4).
The position is set adjustable helical spring and quantity system decides to use mold shape and size.
CPU must be before the start of stroke regulating device, promptly stores the basic parameter of angle that each adjustable helical spring rotary body drives structure rotates, helical spring stressed and helical spring deflection in the stroke regulating device.
CPU obtains the parameter list that adjustable helical spring basic parameter becomes three-dimensional matrice, when adjustable helical spring rotary body drives structure revolution moves an angle, just adjustable helical spring changes its coefficient of elasticity, then produce its relative deflection with several fixing application of forces, become the parameter list of the two-dimensional matrix under this coefficient of elasticity, or the angle of rotating with the fixing application of force and several rotary bodies produces its relative deflection, become the parameter list of the two-dimensional matrix under this application of force, the application of force is obtained by the pressure machine, and deflection is obtained by adjustable helical spring displacement sensing device.
Pitch on rotary body and the public housing be subjected to the helical spring pitch of starting force consistent, so rotary body drives structure action moment is not begin to carry out under the stroke regulating device is not subjected to the condition of external force.
When applying to pressing mold step initial, be earlier it to be adjusted to by support bar, support bar adjustment seat and can to adjust the state that helical spring is adjusted the starting force that seat produces.
When applying to variable volume mold filling step initial, be earlier it to be adjusted to by support bar, support bar to adjust the state that seat and adjustable helical spring are adjusted the starting force that seat produces.
Be connected with the leverage that has bigger deflection and increase its precision between several stroke regulating devices and the mould.
The stroke regulating device is provided with starting force, when causing the device of stroke regulating, the leverage compressive deformation is subjected to tension set, and the deflection of leverage is less than the deflection of the device of stroke regulating, so the stressed and deformation energy of the device of stroke regulating obtains precision preferably.
Because apparatus of the present invention comprise the upper and lower plate of stroke, support bar, adjustable helical spring and CPU; Adjustable helical spring has the sensor that is used to measure its stressed back length variations displacement, and will measure signal and deliver to CPU, and makes rotary body drives structure system receive the adjustment signal driving rotary body of CPU output; The inventive method comprise set adjustable helical spring stressed, drive rotary body, raw material, compression moulding and the pressurize of injecting fusion, adjustable helical spring displacement sensing device and the signal of displacement is sent to CPU, die sinking finishes the hot pressing program, by CPU the conversion of displacement signal calculated and revise adjustable helical spring deflection and stressed and calculate angle that rotary body rotates and rotary body is gone to suitable angle with the interpolation method.In pressing mold and variable volume mold filling processing procedure, by be arranged at displacement sensing device on the adjustable helical spring grasp the data of helical spring stressed back distortion and obtain eject the margin of error that measures with respect to adjustable helical spring position on the goods after, and by after the CPU analysis, to adjust signal and deliver to the rotary body drives structure, use and adjust helical spring coefficient of elasticity, make the margin of error and the progressive error thereof that to revise entire die plane stroke in the pressing mold processing procedure at any time, make variable volume mold filling processing procedure can revise the displacement and the progressive error thereof of whole mobile mould at any time; Can replace the part of in the past judging the processing procedure problem with the present invention, can effectively reduce the fraction defective of die products, effectively reduce production cost with empirical method; On the mould applicable to different shape, will not produce efficiency variance because of mold shape; Promptly in the identical pressing mold processing procedure of the application of force of oil hydraulic cylinder, can adjust the margin of error of entire die plane stroke at any time and penetrate the displacement that to adjust its whole mobile mould in the identical variable volume mold filling processing procedure of pressure at any time at back segment, not only adjust the displacement of mobile mould in the margin of error of mould plane stroke in the pressing mold processing procedure and the variable volume mold filling processing procedure at any time, and reduce goods fraction defective and production cost, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, for applying to the method for stroke regulating of the present invention and the adjustable helical spring structure schematic sectional view of device thereof.
Fig. 2, apply to the enforcement diagrammatic side view of pressing mold processing procedure for the method for stroke regulating of the present invention and device thereof.
Fig. 3, apply to the enforcement schematic isometric of pressing mold processing procedure for the method for stroke regulating of the present invention and device thereof.
Fig. 4, apply to the implementation method block diagram of pressing mold processing procedure for the method for stroke regulating of the present invention and device thereof.
Fig. 5, for CPU operational flowchart of the present invention.
Fig. 6, apply to the enforcement diagrammatic side view of variable volume mold filling processing procedure for the method for stroke regulating of the present invention and device thereof.
Fig. 7, apply to the implementation method block diagram of variable volume mold filling processing procedure for the method for stroke regulating of the present invention and device thereof.
Fig. 8,, the method for stroke regulating of the present invention and three adjustable helical springs of device utilization thereof arrange schematic diagram for being arranged at round stroke upper plate.
Fig. 9,, the method for stroke regulating of the present invention and 12 adjustable helical springs of device utilization thereof arrange schematic diagram for being arranged at round stroke upper plate.
Figure 10,, the method for stroke regulating of the present invention and four adjustable helical springs of device utilization thereof arrange schematic diagram for being arranged at square type stroke upper plate.
Figure 11,, the method for stroke regulating of the present invention and 16 adjustable helical springs of device utilization thereof arrange schematic diagram for being arranged at square type stroke upper plate.
Figure 12, for applying to the method for stroke regulating of the present invention and the diagrammatic side view that device is connected with leverage thereof.
Figure 13, apply to the enforcement diagrammatic side view (connection leverage) of round mould for the method for stroke regulating of the present invention and device thereof.
Figure 14, apply to the enforcement diagrammatic side view (connection leverage) of square pattern tool for the method for stroke regulating of the present invention and device thereof.
The specific embodiment
As shown in Figure 1, the adjustable helical spring 1 that applies to the device of stroke regulating of the present invention comprises public housing 11, parent shell 12 and the rotary body 13 that is driven by drives structure.Rotary body 13 internal diameter appropriate locations are provided with the resistance body 131 that plural number contacts with the plain line 141 of helical spring 14.By the spring constant size of plural resistance body 131 for adjustment helical spring 14.And this is that above-mentioned adjustable helical spring 1 is added displacement transducer and rotary body drives structure, and the beginning becomes very important member among the present invention.
As Fig. 2, shown in Figure 3, when the method for stroke regulating of the present invention and device thereof apply in the pressing mold processing procedure, stroke regulating device of the present invention system is arranged at 22 of oil hydraulic cylinder pressing plate 21 and upper molded plates, and it comprises the stroke upper plate 23 that combines with oil hydraulic cylinder pressing plate 21, the stroke lower plate 24 that combines with upper molded plate 22, support bar 25, adjustable helical spring 26 and CPU 7.
Stroke upper plate 23 is provided with several adjustable helical springs and adjusts seat 231 and several support bars adjustment seat 232.
Stroke lower plate 24 is provided with several adjustable helical spring holders 241 and several support bar holders 242.
Support bar 25 two ends are arranged at the support bar of stroke upper plate 23 respectively and adjust on the support bar holder 242 of seat 232 and stroke lower plate 24, when the stroke regulating device is subjected to external force and when changing height, support bar 25 does not stress.When the stroke regulating device was not subjected to external force, support bar 25 bore the starting force that the stroke regulating device is set, and the adjustment so that the initial length and the cooperation support bar of support bar 25 are adjusted seat 232 can change the stroke regulating height of devices.Support bar 25 usage quantities and arrangement mode can be according to the settings that needs of pressing mold.
Adjustable rotation spring 26 comprises public housing, parent shell and the rotary body 262 that is driven by rotary body drives structure 263.Rotary body 262 internal diameter appropriate locations are provided with the resistance body that plural number contacts with helical spring plain line.Supply to adjust helical spring spring constant size by plural resistance body.It has the sensors 261 that are used to measure adjustable helical spring 26 stressed back length variations displacements, and will measure signal and deliver to CPU 7.The rotary body 262 of adjustable helical spring 26 combines with rotary body drives structure 263.Rotary body drives structure 263 receives the adjustment signal of CPU 7 outputs, and drives rotary body 262, so that adjustable helical spring 26 reaches the coefficient of elasticity of demand.Adjustable helical spring 26 usage quantities and arrangement mode can be provided with according to the needs of pressing mold.
Adjustable helical spring 26 two ends are arranged at the adjustable helical spring of stroke upper plate 23 respectively and adjust on the adjustable helical spring holder 241 of seat 231 and stroke lower plate 24.
CPU 7 is to set the stressed and deflection of each adjustable helical spring 26 at the relative position of mould according to total application of force of processing procedure and adjustable helical spring 26, and the margin of error after receiving by the adjustable helical spring 26 of displacement sensing device 261 outputs the deflection after stressed and obtaining product molding, revise the stressed and deflection of each adjustable helical spring 26 then, and with the processing that compares of the basic parameter of adjustable helical spring 26, and output adjustment signal makes each adjustable helical spring 26 reach the coefficient of elasticity of demand to use as next process cycle to each rotary body drives structure 263.By circulation adjustment modes of the present invention, expectation with convergence method in the process cycle number of times of minimum, make mould molding go out best manufactured goods, if cooperate the margin of error that reads goods automatically, the progressive error that is produced to adjust in the processing procedure at any time, the fraction defective of moulded products is minimized, so real control and the improvement that helps the mould processing procedure.
As shown in Figure 4, the method for stroke regulating of the present invention and device thereof are used in the pressing mold processing procedure and comprise the steps:
(1) CPU stores each adjustable helical spring basic parameter, set the starting force of stroke regulating device, and set the power output and the adjustable helical spring deflection of oil hydraulic cylinder, according to the power output of oil hydraulic cylinder, adjustable helical spring quantity and set adjustable helical spring stressed 301 respectively at the relative position of mould and just begin to set each adjustable helical spring deflection for equating;
(2) according to each adjustable helical spring stressed and deflection to calculate its coefficient of elasticity, obtain the angle that rotary body rotates according to basic parameter with the interpolation method, and utilize the rotary body drives structure that rotary body is gone to suitable angle 302;
(3) patrix is positioned initial position, makes upper and lower mould keep suitable distance, inject the raw material 303 of fusion in order to feeding machine by the side of upper and lower mould;
(4) utilize the molten plastic of feeding machine, plastics are injected in the counterdie, when feeding machine is finished when injecting raw material the moving-wire 304 the during patrix that gets out while you can compacting by the side of upper and lower mould with proper volume;
(5) start the oil hydraulic cylinder output pressure, with oil hydraulic cylinder pressing plate, stroke upper plate, adjustable helical spring, stroke lower plate, upper molded plate and patrix together to the direction closing of counterdie, and the raw material 305 that begins pressure is acted on fusion in the counterdie;
(6) raw material of the interior fusion of counterdie forces fused raw material to flow toward the less place of pressure because of the pressure of oil hydraulic cylinder, and pushes residual air and discharged by airway, and the raw material of fusion riddles the closed mould cavity interior 306 that upper and lower mould forms;
(7) cooling that blows slowly of the raw material Yin Mowen of fusion and solidify and airway in the curing of raw material, cause pressurize to raw material in the die cavity, the raw material in the die cavity forms back-pressure 307 to the pressure of oil hydraulic cylinder output;
(8) raw material in the die cavity oil hydraulic cylinder maintain static and the pressurize of stroke regulating device under, be able to till goods solidify fully, and in the process of solidifying, goods shunk uniformly, improve the optimization 308 of product surface;
(9) by each adjustable helical spring displacement sensing device the signal of displacement is sent to CPU 309;
(10) patrix returns to initial position and ejects goods, finishes hot pressing program 310 once;
(11) CPU is with the displacement signal conversion of adjustable helical spring displacement sensing device, obtain eject on the goods margin of error that measures with respect to adjustable helical spring position after, calculate the stressed margin of error of adjustable helical spring more respectively, revise each adjustable helical spring deflection and stressed 311 respectively;
(12), return step (2), to use 312 as next pressing mold circulation time according to stressed and deflection.
The function series of the CPU of stroke regulating device of the present invention is after process cycle each time, promptly get the error amount of goods, adjust adjustable helical spring coefficient of elasticity more respectively, even also rotary body drives structure action drives rotary body goes to revise the margin of error of goods in order to next processing procedure.
As shown in Figure 5, CPU computing flow process comprises the steps:
(1) CPU stores the basic parameter 401 of angle that each adjustable helical spring rotary body drives, helical spring stressed, helical spring deflection;
(2) obtain the power output of processing procedure and set adjustable helical spring deflection 402, just make and to set each adjustable helical spring deflection and equate;
(3) according to adjustable helical spring at the relative position of stroke regulating device, calculate its stressed 403;
(4) calculate each adjustable helical spring coefficient of elasticity 404 according to stressed and deflection;
(5) CPU calculates the angle 405 that adjustable helical spring should rotate according to each adjustable helical spring basic parameter with the interpolation method;
(6) behind the product molding, CPU obtains and measures the margin of error and the adjustable helical spring deflection 406 thereof of goods with respect to each adjustable helical spring position;
(7) revise each adjustable helical spring deflection and stressed 407 respectively, return step (4).
As shown in Figure 6, when the method for stroke regulating of the present invention and device thereof are used in the variable volume mold filling processing procedure, system is arranged at 52 of cope match-plate pattern 51 and mobile moulds with stroke regulating device 2 of the present invention, and the member of its composition all the pressing mold processing procedure with above-mentioned is identical.
As shown in Figure 7, the method for stroke regulating of the present invention and device thereof are used in variable volume mold filling processing procedure and comprise the steps:
(1) CPU stores each adjustable helical spring basic parameter, set the pressure that the starting force of stroke regulating device, the pressure of setting initial ejaculation and back segment penetrate, and set adjustable helical spring deflection, the pressure that penetrates according to back segment, adjustable helical spring quantity and adjustable helical spring stressed 601 to set respectively at the relative position of mould just begin to set each adjustable helical spring deflection for equating;
(2) according to each adjustable helical spring stressed and deflection to calculate its coefficient of elasticity, obtain the angle that rotary body rotates according to basic parameter with the interpolation method, and utilize the rotary body drives structure that rotary body is gone to suitable angle 602;
(3) locked mode closure is opened in airway and the molten plastic injection die cavity with proper volume, and initial ejaculation pressure finishes 603 with the part mold filling of fixed volume in the die cavity;
(4) closed airway starts back segment and penetrates pressure, and the part filling of variable volume die cavity is finished, and the halt of mobile mould is at the equalization point 604 of the stressed of stroke regulating device with the variable volume cavity pressure;
(5) plastics in the die cavity are able to till goods solidify fully under the pressurize of stroke regulating device, and in the process of solidifying goods are shunk uniformly, improve the optimization 605 of product surface;
(6) with each adjustable helical spring displacement sensing device the signal of displacement is sent to CPU 606;
(7) die sinking ejects goods, finishes variable volume mold filling program 607 one time;
(8) CPU is with the displacement signal conversion of adjustable helical spring displacement sensing device, obtain eject on the goods margin of error that measures with respect to adjustable helical spring position after, calculate the stressed margin of error of adjustable helical spring out of the ordinary again, revise each adjustable helical spring deflection and stressed 608 respectively;
(9), return step (2), to use 609 as next variable volume mold filling circulation time according to stressed and deflection.
As shown in Figure 8, stroke regulating device of the present invention can be according to the needs of pressing mold, in round stroke upper plate 23 three adjustable helical springs 26 are set, round stroke upper plate 23 is according to 3 principle and the convenience of CPU 7 on calculating that become one side, and stroke regulating device of the present invention comprises that three are distributed in adjustable helical spring 26 on 120 ° of peripheries of concentric circles.
As shown in Figure 9, stroke regulating device of the present invention can be provided with 12 adjustable helical springs 26 in round stroke upper plate 23 according to the needs of pressing mold.When stroke regulating device of the present invention applied to relatively large round stroke upper plate, stroke regulating device of the present invention comprised that 12 are distributed in adjustable helical spring 26 on concentrically ringed 120 ° of peripheries such as four.Each concentric circles is provided with three adjustable helical springs 26, and adjustable helical spring 26 is to center of circle word order.
As shown in figure 10, stroke regulating device of the present invention can be provided with four adjustable helical springs 26 in the stroke upper plate 23a of square type according to the needs of pressing mold.For the convenience on calculating, stroke regulating device of the present invention comprises four adjustable helical springs 26 that are distributed on two cornerwise types such as square such as the heart such as grade, promptly sets up adjustable helical spring 26 separately in four corners of waiting heart square type.
As shown in figure 11, stroke regulating device of the present invention can be provided with the adjustable helical spring 26 of ten six roots of sensation in the stroke upper plate 23a of square type according to the needs of pressing mold.When stroke regulating device of the present invention applied to the stroke upper plate 23a of relatively large square type, stroke regulating device of the present invention comprised that ten six roots of sensation are distributed in two cornerwise four adjustable helical springs 26 that wait on the heart square type.Each waits four corners of heart square type to set up an adjustable helical spring 26 separately, and adjustable helical spring 26 is to square type center word order.
Also can be as shown in figure 12, stroke regulating device of the present invention is connected with leverage, so that it has bigger deflection, increases its accuracy.The present invention includes one or the device 2 of several stroke regulatings, the device 2 of each stroke regulating is provided with starting force, when leverage 8 compressive deformations make the device 2 of stroke regulating be subjected to tension set, the deflection of leverage 8 is less than the deflection of the device 2 of stroke regulating, and stressed and deformation energy therefore of the present invention gets precision preferably.
As shown in figure 13, the stroke regulating device that the present invention is connected with leverage 8 cooperates when applying to use on the round mould, and then 2 in the device of stroke regulating of the present invention can be provided with leverage 8 sides according to 120 ° angle, has given play to best effect to make it.
As shown in figure 14, the stroke regulating device that the present invention is connected with leverage 8 cooperates when applying to use on the rectangular mould, and then 2 in the device of stroke regulating of the present invention can be arranged at four jiaos of leverage 8, has given play to best effect to make it.
The method of stroke regulating of the present invention and device thereof when mutually comparing with other located by prior art, have more following advantage:
One, the method for stroke regulating of the present invention and device thereof lie in pressing mold and variable volume mold filling system In the journey, by being arranged at the stressed rear distortion of displacement sensing device crawl helical spring on the adjustable spiral spring After data and obtaining ejects the margin of error that measures with respect to the adjustable spiral spring position on the goods, and by in Central Processing Unit will be adjusted signal and deliver to the rotary body drives structure after analyzing, and use and adjust helical spring bullet Property coefficient makes the margin of error and the progressive error thereof that can at any time revise whole mold plane stroke in the pressing mold processing procedure, Make variable volume mold filling processing procedure can at any time revise displacement and the progressive error thereof of whole mobile mould.
Two, the method for stroke regulating of the present invention and device thereof can replace in the past and judge with empirical method The part of processing procedure problem, so mode can effectively reduce the fraction defective of die products, effectively reduce Production cost.
Three, the method for stroke regulating of the present invention and device thereof, on the mould applicable to various shapes, Will be not because of mold shape generation efficiency difference.

Claims (12)

1、一种可调整行程量装置,其特征在于它包括行程上板、行程下板、支撑杆、可调式螺旋弹簧及中央处理单元;行程上板上分别设置有数个可调式螺旋弹簧调整座及数个支撑杆调整座;行程下板上设置有数个可调式螺旋弹簧固定座及数个支撑杆固定座;支撑杆两端分别设置于行程上、下板的支撑杆调整座及支撑杆固定座上,藉由调整行程上、下板间初始的距离并支撑的初始力;中央处理单元系接收由位移感测器所输出的可调式螺旋弹簧受力后的变形量及制品成型后的误差量,并与基本参数做比对处理后输出调整讯号至旋转体驱动结构,使可调式螺旋弹簧达到需求的弹性系数;可调式螺旋弹簧具有用于量测其受力后长度变化位移的感测器,并将量测讯号送至中央处理单元,其具有旋转体及与其相结合的驱动结构;可调式螺旋弹簧设置于行程上、下板的可调式螺旋弹簧调整座及可调式螺旋弹簧固定座之间,旋转体驱动结构系接收中央处理单元输出的调整讯号调整旋转体。1. An adjustable stroke amount device, characterized in that it includes a stroke upper plate, a stroke lower plate, a support rod, an adjustable coil spring and a central processing unit; several adjustable coil spring adjustment seats and Several support rod adjustment seats; several adjustable coil spring fixing seats and several support rod fixing seats are arranged on the stroke lower plate; the two ends of the support rod are respectively set on the support rod adjustment seats and the support rod fixing seats of the upper and lower stroke plates Above, by adjusting the initial distance between the upper and lower plates of the stroke and supporting the initial force; the central processing unit receives the output of the displacement sensor, the deformation of the adjustable coil spring after being stressed and the error of the product after molding , and compared with the basic parameters, the adjustment signal is output to the driving structure of the rotating body, so that the adjustable coil spring reaches the required elastic coefficient; the adjustable coil spring has a sensor for measuring its length change displacement after being stressed , and send the measurement signal to the central processing unit, which has a rotating body and a driving structure combined with it; the adjustable coil spring is arranged between the adjustable coil spring adjustment seat and the adjustable coil spring fixed seat of the upper and lower stroke plates During this period, the rotating body driving structure receives the adjustment signal output by the central processing unit to adjust the rotating body. 2.一种可调整行程量的方法,运用在压模制程中,其特征在于它包括如下步骤:2. A method for adjusting the stroke amount, which is used in the molding process, is characterized in that it comprises the following steps: (1)中央处理单元储存每一个可调式螺旋弹簧的基本参数,设定可调整行程量装置的初始力,并设定油压缸的输出力及可调式螺旋弹簧的变形量,依油压缸的输出力、可调式螺旋弹簧的数量及其在成型模具的相对位置分别设定可调式螺旋弹簧的受力;(1) The central processing unit stores the basic parameters of each adjustable coil spring, sets the initial force of the adjustable stroke device, and sets the output force of the hydraulic cylinder and the deformation of the adjustable coil spring, depending on the hydraulic cylinder The output force of the adjustable coil spring, the quantity of the adjustable coil spring and its relative position in the forming mold respectively set the force of the adjustable coil spring; (2)依每一个可调式螺旋弹簧的受力及变形量以计算其弹性系数,依基本参数以内差法得到旋转体转动的角度,并利用旋转体驱动结构将旋转体转至适当的角度;(2) Calculate the elastic coefficient according to the force and deformation of each adjustable coil spring, obtain the rotation angle of the rotating body according to the internal difference method of the basic parameters, and use the driving structure of the rotating body to turn the rotating body to an appropriate angle; (3)将上模定位于初始的位置,使上、下模保持适当的距离,以利注料机由上、下模的侧边注入熔融的原料;(3) Position the upper mold at the initial position, keep the upper and lower molds at an appropriate distance, so that the injection machine can inject molten raw materials from the sides of the upper and lower molds; (4)利用注料机将适当体积的熔融塑料,由上、下模的侧边将塑料注入下模内,当注料机完成注入原料时,适时离开上模压制时的动线;(4) Use the injection machine to inject an appropriate volume of molten plastic into the lower mold from the sides of the upper and lower molds. When the injection machine finishes injecting raw materials, leave the moving line when the upper mold is pressed in time; (5)启动油压缸输出压力,将油压缸压板、行程上板、可调式螺旋弹簧、行程下板、上模压板及上模一同向下模的方向靠合,并开始将压力作用于下模内熔融的原料;(5) Start the output pressure of the hydraulic cylinder, put the pressure plate of the hydraulic cylinder, the upper stroke plate, the adjustable coil spring, the lower stroke plate, the upper mold pressure plate and the upper mold together in the direction of the lower mold, and start to apply the pressure on the The molten raw material in the lower mold; (6)下模内熔融的原料因油压缸的压力迫使熔融原料往压力较少的地方流动,并推挤残留的空气由通气道排出,而熔融的原料充满于上、下模形成的闭合模腔内;(6) Due to the pressure of the hydraulic cylinder, the molten raw material in the lower mold forces the molten raw material to flow to a place with less pressure, and pushes the residual air to be discharged from the air passage, while the molten raw material fills the closed space formed by the upper and lower molds inside the mold cavity; (7)熔融的原料因模温徐徐的冷却而固化及通气道内原料的固化,造成对模腔内原料的保压,模腔内的原料对油压缸输出的压力形成反压;(7) The molten raw material is solidified due to the slow cooling of the mold temperature and the solidification of the raw material in the air channel, resulting in pressure retention of the raw material in the mold cavity, and the raw material in the mold cavity forms a back pressure against the output pressure of the hydraulic cylinder; (8)模腔内的原料在油压缸固定不动及可调整行程量装置的保压下,得以直至制品完全固化为止,并于固化的过程中使制品均匀的收缩,提高制品表面的优化;(8) The raw materials in the mold cavity are kept under the pressure of the fixed hydraulic cylinder and the adjustable stroke device until the product is completely cured, and the product shrinks evenly during the curing process to improve the optimization of the product surface ; (9)由每一个可调式螺旋弹簧的位移感测器将位移量的讯号传送至中央处理单元;(9) The displacement sensor of each adjustable coil spring transmits the displacement signal to the central processing unit; (10)上模归回起始的位置顶出制品,完成一次的热压程序;(10) The upper mold returns to the initial position to eject the product, and completes a hot pressing procedure; (11)中央处理单元将可调式螺旋弹簧的位移感测器的位移讯号转换,取得顶出制品上相对于可调式螺旋弹簧位置量测的误差量后,再分别计算可调式螺旋弹簧受力的误差量,分别修定每一个可调式螺旋弹簧的变形量及受力;(11) The central processing unit converts the displacement signal of the displacement sensor of the adjustable coil spring, and after obtaining the error amount measured on the ejected product relative to the position of the adjustable coil spring, calculates the force of the adjustable coil spring respectively Error amount, respectively modify the deformation and force of each adjustable coil spring; (12)依受力及变形量,回步骤(2),以作为下次压模循环时使用。(12) According to the force and deformation, go back to step (2) for use in the next molding cycle. 3、一种可调整行程量的方法,运用在可变容积充模制程中,其特征在于它包括如下步骤:3. A method for adjusting the stroke amount, which is used in the variable volume mold filling process, characterized in that it includes the following steps: (1)中央处理单元储存每一个可调式螺旋弹簧的基本参数,设定可调整行程量装置的初始力、设定初始射出的压力及后段射出的压力,并设定可调式螺旋弹簧的变形量,依后段射出的压力、可调式螺旋弹簧的数量及在成型模具的相对位置以分别设定可调式螺旋弹簧的受力;(1) The central processing unit stores the basic parameters of each adjustable coil spring, sets the initial force of the adjustable stroke device, sets the pressure of the initial injection and the pressure of the subsequent injection, and sets the deformation of the adjustable coil spring According to the injection pressure of the rear section, the number of adjustable coil springs and the relative position of the molding die, the force of the adjustable coil springs can be set respectively; (2)依每一个可调式螺旋弹簧的受力及变形量以计算其弹性系数,依基本参数以内差法得到旋转体转动的角度,并利用旋转体驱动结构将旋转体转至适当的角度;(2) Calculate the elastic coefficient according to the force and deformation of each adjustable coil spring, obtain the rotation angle of the rotating body according to the internal difference method of the basic parameters, and use the driving structure of the rotating body to turn the rotating body to an appropriate angle; (3)锁模闭合,开启通气道并将适当体积的熔融塑料注入模腔内,初始的射出压力将模腔内固定容积的部分充模完成;(3) The clamping mold is closed, the airway is opened and an appropriate volume of molten plastic is injected into the mold cavity, and the initial injection pressure completes the part of the fixed volume in the mold cavity; (4)闭合通气道,启动后段射压,将可变容积模腔的部分充填完成,移动模的停止点是在可调整行程量装置的受力与可变容积模腔压力的平衡点;(4) Close the airway, start the back-stage injection pressure, and complete the partial filling of the variable volume mold cavity. The stop point of the moving mold is the balance point between the force of the adjustable stroke device and the pressure of the variable volume mold cavity; (5)模腔内的塑料在可调整行程量装置的保压下,得以直至制品完全固化为止,并于固化的过程中使制品均匀的收缩,提高制品表面的优化;(5) The plastic in the mold cavity can be kept under the pressure of the adjustable stroke device until the product is completely cured, and the product can be uniformly shrunk during the curing process to improve the optimization of the product surface; (6)以每一个可调式螺旋弹簧的位移感测器将位移量的讯号传送至中央处理单元;(6) Use each adjustable coil spring displacement sensor to transmit the displacement signal to the central processing unit; (7)开模顶出制品,完成一次可变容积充模程序;(7) Open the mold and eject the product, and complete a variable volume mold filling procedure; (8)中央处理单元将可调式螺旋弹簧的位移感测器的位移讯号转换,取得顶出制品上相对于可调式螺旋弹簧位置量测的误差量后,再计算各别可调式螺旋弹簧受力的误差量,分别修定每一个可调式螺旋弹簧的变形量及受力;(8) The central processing unit converts the displacement signal of the displacement sensor of the adjustable coil spring, obtains the error amount measured on the ejected product relative to the position of the adjustable coil spring, and then calculates the force of each adjustable coil spring The amount of error, respectively modify the deformation and force of each adjustable coil spring; (9)依受力及变形量,回步骤(2)。以作为下次可变容积充模循环时使用。(9) According to the force and deformation, go back to step (2). It will be used in the next variable volume mold filling cycle. 4、根据权利要求2或3所述的可调整行程量的方法,其特征在于所述的中央处理单元的运算流程包括:4. The method according to claim 2 or 3, characterized in that the operation flow of the central processing unit includes: (1)中央处理单元储存每一个可调式螺旋弹簧的基本参数;(1) The central processing unit stores the basic parameters of each adjustable coil spring; (2)取得制程的输出力及设定可调式螺旋弹簧的变形量;(2) Obtain the output force of the process and set the deformation of the adjustable coil spring; (3)依可调式螺旋弹簧在可调整行程量装置的相对位置,计算出其受力;(3) According to the relative position of the adjustable coil spring in the adjustable stroke device, calculate its force; (4)依受力及变形量计算每一个可调式螺旋弹簧的弹性系数;(4) Calculate the elastic coefficient of each adjustable coil spring according to the force and deformation; (5)中央处理单元依每一个可调式螺旋弹簧的基本参数以内差法计算出可调式螺旋弹簧应转动的角度;(5) The central processing unit calculates the angle that the adjustable coil spring should rotate according to the basic parameters of each adjustable coil spring with the internal difference method; (6)制品成型后,中央处理单元取得量测制品相对于每一个可调式螺旋弹簧位置的误差量及其可调式螺旋弹簧的变形量;(6) After the product is formed, the central processing unit obtains the error amount of the measured product relative to the position of each adjustable coil spring and the deformation amount of the adjustable coil spring; (7)分别修定每一个可调式螺旋弹簧的变形量及受力,回步骤(4)。(7) Modify the deformation and force of each adjustable coil spring respectively, and return to step (4). 5、根据权利要求1所述的可调整行程量装置,其特征在于所述的可调式螺旋弹簧设置位置及数量系以使用模具形状及大小而定。5. The adjustable stroke device according to claim 1, characterized in that the position and quantity of the adjustable coil springs are determined by the shape and size of the mold used. 6、根据权利要求4所述的可调整行程量的方法,其特征在于所述的中央处理单元必须在可调整行程量装置作动前,即于可调整行程量装置内储存每一个可调式螺旋弹簧的旋转体驱动结构转动的角度、螺旋弹簧的受力及螺旋弹簧的变形量的基本参数。6. The stroke-adjustable method according to claim 4, characterized in that the central processing unit must store each adjustable screw in the stroke-adjustable device before the stroke-adjustable device is actuated. The basic parameters of the rotation angle of the rotating body driving structure of the spring, the force of the coil spring and the deformation of the coil spring. 7、根据权利要求4所述的可调整行程量的方法,其特征在于所述的中央处理单元取得可调式螺旋弹簧的基本参数成为三维矩阵的参数表,可调式螺旋弹簧的旋转体驱动结构每转动一个角度时,也就是可调式螺旋弹簧改变其弹性系数,则以数个固定的施力产生其相对的变形量,成为该弹性系数下的二维矩阵的参数表,或以固定的施力及数个旋转体转动的角度来产生其相对的变形量,成为该施力下的二维矩阵的参数表,施力由拉压力机取得,而变形量由可调式螺旋弹簧的位移感测器取得。7. The method according to claim 4, characterized in that the central processing unit obtains the basic parameters of the adjustable coil spring as a three-dimensional matrix parameter table, and the rotating body driving structure of the adjustable coil spring When turning an angle, that is, the adjustable coil spring changes its elastic coefficient, then the relative deformation amount is generated by several fixed applied forces, which becomes the parameter table of the two-dimensional matrix under the elastic coefficient, or fixed applied force and the rotation angles of several rotating bodies to generate their relative deformation, which becomes the parameter table of the two-dimensional matrix under the applied force. The applied force is obtained by the tension press, and the deformation is obtained by the displacement sensor of the adjustable coil spring. obtain. 8、根据权利要求1所述的可调整行程量装置,其特征在于所述的旋转体与公壳体上的螺距与受初始力的螺旋弹簧螺距一致,因此旋转体驱动结构动作时机是在可调整行程量装置不受外力的条件下始可进行。8. The adjustable stroke device according to claim 1, characterized in that the pitch of the rotating body and the male housing is consistent with the pitch of the coil spring receiving the initial force, so the driving mechanism of the rotating body operates when it can The adjustment of the stroke amount device can only be carried out under the condition of no external force. 9、根据权利要求2所述的可调整行程量的方法,其特征在于所述的运用于压模步骤的初始时,系先将其调整成由支撑杆、支撑杆调整座及可调整螺旋弹簧调整座产生的初始力的状态。9. The method of adjustable stroke according to claim 2, characterized in that at the beginning of the step of applying the mold, it is first adjusted to be formed by the support rod, the support rod adjustment seat and the adjustable coil spring. Adjust the state of the initial force generated by the seat. 10、根据权利要求3所述的可调整行程量的方法,其特征在于所述的运用于可变容积充模步骤的初始时,系先将其调整成由支撑杆、支撑杆调整座及可调式螺旋弹簧调整座产生的初始力的状态。10. The method of adjustable stroke according to claim 3, characterized in that at the beginning of the variable volume mold filling step, it is first adjusted to be composed of a support rod, a support rod adjustment seat and an adjustable The state of the initial force generated by the adjustable coil spring adjustment seat. 11、根据权利要求1所述的可调整行程量装置,其特征在于所述的数个可调整行程量装置与成型模具之间连设具有较大的变形量并增加其精度的杠杆机构。11. The adjustable stroke device according to claim 1, characterized in that a lever mechanism with larger deformation and increased precision is connected between the several adjustable stroke devices and the molding die. 12、根据权利要求11所述的可调整行程量装置,其特征在于所述的可调整行程量装置设有初始力,当杠杆机构受压变形致使可调整行程量的装置受张力变形,且杠杆机构的变形量小于可调整行程量的装置的变形量,因此可调整行程量的装置的受力及变形能得到较好的精度。12. The adjustable stroke device according to claim 11, characterized in that the adjustable stroke device is provided with an initial force, when the lever mechanism is compressed and deformed, the adjustable stroke device is deformed by tension, and the lever The amount of deformation of the mechanism is smaller than that of the device with adjustable stroke, so the stress and deformation of the device with adjustable stroke can obtain better precision.
CNB01131009XA 2001-08-30 2001-08-30 Method and device for adjusting stroke amount Expired - Fee Related CN1195616C (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457541A (en) * 2014-11-13 2015-03-25 奇瑞汽车股份有限公司 Automobile spiral spring displacement measurement method
TWI674158B (en) * 2018-06-29 2019-10-11 葉川源 Mold adjustment auxiliary system
CN113063568A (en) * 2019-12-12 2021-07-02 中车唐山机车车辆有限公司 Piston valve damping detection method, terminal equipment and storage medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457541A (en) * 2014-11-13 2015-03-25 奇瑞汽车股份有限公司 Automobile spiral spring displacement measurement method
TWI674158B (en) * 2018-06-29 2019-10-11 葉川源 Mold adjustment auxiliary system
CN113063568A (en) * 2019-12-12 2021-07-02 中车唐山机车车辆有限公司 Piston valve damping detection method, terminal equipment and storage medium
CN113063568B (en) * 2019-12-12 2022-07-26 中车唐山机车车辆有限公司 Piston valve damping detection method, terminal device and storage medium

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