CN111037814B - An intelligent high-efficiency vulcanizing press and its control method - Google Patents

An intelligent high-efficiency vulcanizing press and its control method Download PDF

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CN111037814B
CN111037814B CN202010011756.1A CN202010011756A CN111037814B CN 111037814 B CN111037814 B CN 111037814B CN 202010011756 A CN202010011756 A CN 202010011756A CN 111037814 B CN111037814 B CN 111037814B
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connecting rod
bevel gear
hinge
template
die
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CN111037814A (en
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冀世军
王洋
王可心
赵继
代汉达
贺秋伟
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Jilin University
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Jilin University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould

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  • Oral & Maxillofacial Surgery (AREA)
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  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

本发明提供一种智能高效硫化压力机及其控制方法。针对现有的硫化压力机只能通过人工方式取料和出料的问题，本发明设计了一套多连杆往复运动机构，在步进电机的驱动下，可以实现上模板和下模板交替工作，确保硫化压力机时刻处于作业状态的效果，同时本发明还设计了一套升降机构以实现加热板升降运动，可以给上模板和下模板交替加热。当上模板作业时，下模板推出，加热板给上模板加热；当下模板作业时，上模板推出，加热板给下模板加热。具有结构简单，易于操作，适应能力强，工作效率高特点。在机械制造等领域具有很好应用效果，在高效率生产汽车密封圈等方面也有重要应用意义。

Figure 202010011756

The invention provides an intelligent high-efficiency vulcanizing press and a control method thereof. Aiming at the problem that the existing vulcanizing press can only take out and discharge materials manually, the present invention designs a set of multi-link reciprocating motion mechanism, which can realize the alternate work of the upper template and the lower template under the drive of the stepping motor. , to ensure the effect of the vulcanization press being in the working state at all times, and at the same time, the present invention also designs a set of lifting mechanism to realize the lifting movement of the heating plate, which can alternately heat the upper template and the lower template. When the upper template is working, the lower template is pushed out, and the heating plate heats the upper template; when the lower template is working, the upper template is pushed out, and the heating plate heats the lower template. It has the characteristics of simple structure, easy operation, strong adaptability and high work efficiency. It has good application effect in machinery manufacturing and other fields, and also has important application significance in high-efficiency production of automobile sealing rings.

Figure 202010011756

Description

Intelligent efficient vulcanizing press and control method thereof
Technical Field
The invention belongs to the field of machine manufacturing.
Background
The vulcanizing press machine is a universal press machine with an exquisite structure, has the characteristics of wide application, high production efficiency and the like, and can be widely applied to processing automobile sealing rings. The parts are formed by heat vulcanizing a rubber blank and applying pressure to plastically deform the rubber. When the traditional vulcanizing press works, the hydraulic cylinder is driven by hydraulic pressure to drive the pressing die to do vertical linear motion and the lower die to do front-back linear motion, after the lower die is heated, the pressing die is pushed by the hydraulic cylinder to fall to be combined with the lower die, after the heat is preserved for a few minutes, the pressing die rises, the lower die is pushed out by the hydraulic cylinder, and the processed sealing ring is taken down artificially. In the process of taking the workpiece, the pressing die is in a waiting state, and unnecessary time is consumed.
Disclosure of Invention
The invention provides an intelligent efficient vulcanizing press and a control method thereof, which aim to solve the problem of insufficient time utilization in the manufacturing process of the conventional vulcanizing press.
The invention adopts the following technical scheme by combining the attached drawings:
an intelligent efficient vulcanizing press comprises a machine body 1, a reciprocating motion mechanism 2, a die pressing mechanism 3 and a lifting mechanism 4. The machine body 1 is a shell, the upper part of the machine body is provided with an extension frame, the middle part of the machine body is provided with a boss, and the lower part of the machine body is provided with a platform; the reciprocating mechanism 2 is transversely and fixedly arranged on the middle layer of the machine body 1, the die pressing mechanism 3 is fixedly arranged at the middle position of the upper top of the machine body 1 through a bolt, and the lifting mechanism 4 is fixedly arranged at the middle position of the lower bottom of the machine body 1 through a bolt;
the reciprocating mechanism 2 comprises an upper template 201, a connecting rod I202, a connecting rod II 203, a sliding block I204, a connecting rod III 205, a bevel gear shaft I206, a bevel gear I207, a bevel gear II 208, a bevel gear shaft II 209, a bevel gear III 210, a bevel gear IV 211, a bevel gear shaft III 212, a bevel gear V213, a stepping motor I214, a bevel gear VI 215, a bevel gear shaft IV 216, a connecting rod IV 217, a sliding block II 218, a connecting rod V219, a connecting rod VI 220, a connecting rod VII 221, a connecting rod VIII 222, a lower template 223, a connecting rod IX 224, a connecting rod XV 225, a connecting rod XI 226, a connecting rod XII 227, a connecting rod XIII 228 and a connecting rod XIV 229;
the stepping motor I214 is fixedly connected with a boss on the machine body 1 through a bolt, the bevel gear V213 is fixedly connected with an output shaft of the stepping motor I214, and the V213 is vertically meshed with the bevel gear VI 215 and the bevel gear IV 211 respectively; the bevel gear II 208 is vertically meshed with the bevel gear I207 and the bevel gear III 210 respectively; the bevel gear III 210 and the bevel gear IV 211 are fixedly connected on a bevel gear shaft III 212 through a key respectively, the bevel gear shaft III 212 and the bevel gear shaft II 209 are fixed through a bearing arranged on a boss of the machine body 1 respectively,
the bevel gear shaft I206 is fixedly connected with a connecting rod III 205, the connecting rod III 205 is hinged with a sliding block I204 through a hinge, one end of a connecting rod II 203 penetrates through the sliding block I204 to be hinged with one ends of the connecting rod I202 and the connecting rod XII 227 through a hinge, the other end of the connecting rod II 203 is hinged with one ends of a connecting rod XIII 228 and a connecting rod XIV 229 through a hinge, and the other ends of the connecting rod XII 227 and the connecting rod XIII 228 are respectively connected with two ends of a connecting rod XI 226 through hinges; the other end of the connecting rod XIV 229 is connected to the lower template 223 through a hinge; the other end of the connecting rod I202 is hinged with the upper template 201 through a hinge;
the bevel gear shaft IV 216 is fixedly connected with a connecting rod IV 217, the connecting rod IV 217 is hinged with a sliding block II 218 through a hinge, one end of a connecting rod IX 224 penetrates through the sliding block II 218 to be hinged with one ends of a connecting rod X225 and a connecting rod VI 220 through a hinge, the other end of the connecting rod IX 224 is hinged with one ends of a connecting rod V219 and a connecting rod VII 221 through a hinge, the other ends of the connecting rod VI 220 and the connecting rod VII 221 are respectively connected to the connecting rod VIII 222 through hinges, and the other end of the connecting rod V219 is connected to a lower template 223 through a hinge; the other end of the connecting rod X225 is hinged with the upper template 201 through a hinge;
the die pressing mechanism 3 is located right above the heating forming working position of the upper die plate 201 of the reciprocating mechanism 2, and the lifting mechanism 4 is fixedly installed at the middle position of the lower bottom of the machine body 1 through bolts and located right below the heating forming working position of the lower die plate 223 of the reciprocating mechanism 2.
Specifically, the die pressing mechanism 3 mainly comprises a die 301, a plurality of hydraulic cylinders and a displacement sensor; the hydraulic cylinders are arranged on the pressing die in a symmetrical distribution mode, push rods of the hydraulic cylinders are fixedly connected with the pressing die, and the upper parts of the hydraulic cylinders are fixed in the middle of the upper top of the machine body 1; and a displacement sensor is arranged beside each hydraulic cylinder and is arranged in the middle of the extending frame on the top of the machine body 1 in a bonding and fixing mode.
The lifting mechanism 4 comprises a lifting connecting rod I401, a lifting connecting rod II 402, a guide column I403, a guide column II 404, a push plate 405, a heating plate 406, a guide column III 407, a guide column IV 408, a coupler 409, a stepping motor II 410, an output shaft 411 and a bearing seat 412.
The second stepping motor 410 is fixedly mounted at the middle position of the lower bottom of the machine body 1 through a bolt, one end of the output shaft 411 is fixedly connected with the output end of the second stepping motor 410 through a coupling 409, the bearing seat 412 is fixedly mounted at the middle position of the lower bottom of the machine body 1 through a bolt, the other end of the output shaft 411 is fixedly connected with the lifting connecting rod I401, the lifting connecting rod I401 is hinged with the lifting connecting rod II 402 through a hinge, the lifting connecting rod II 402 is hinged with the lower end of the push plate 405 through a hinge, and the heating plate 406 is fixedly mounted on the upper surface of the push plate 405 through a bolt; the guide post I403, the guide post II 404, the guide post III 407 and the guide post IV 408 are symmetrically arranged on the lower surface of the push plate 405, and the guide post I403, the guide post II 404, the guide post III 407 and the guide post IV 408 are arranged in guide holes of a lower platform of the machine body 1.
Further, the length L of the connecting rod VII 2211Length L of connecting rod V2192Composed of formula (3) and formula (4)
Figure BDA0002357395110000021
Figure BDA0002357395110000022
Wherein h is1Is the vertical distance between the hinge point A and the hinge point F, is obtained by the formula (2),
Figure BDA0002357395110000031
in the formula I2Is the horizontal distance, α, between hinge point A and hinge point F1Is an included angle between the connecting rod VII 221 and the vertical direction and is obtained by a formula (1),
Figure BDA0002357395110000032
wherein R is the length of the tie rod IX 224, l1The length of the upper 201 and lower 223 templates.
The lengths of the connecting rod VIII 222 and the connecting rod VI 220 are calculated according to the following formula;
Figure BDA0002357395110000033
wherein L is5The distance between hinge point a and hinge point C,
Figure BDA0002357395110000034
β3is L1Angle with the line between hinge point A and hinge point C
Figure BDA0002357395110000035
β2Is L1And L3The included angle therebetween.
β2＝π-α3-β1 (7)
In the formula (7) < alpha >3Is L1The included angle between the horizontal direction and the horizontal direction,
Figure BDA0002357395110000036
in the formula beta1Is L1Angle with horizontal direction
Figure BDA0002357395110000037
The length of the connecting rod IV 217 is equal to the radius R of the circle of revolution, and the length of the connecting rod X225 is equal to the length l of the lower die plate 2231。
A control method of an intelligent high-efficiency vulcanizing press comprises the following steps:
step 1: the power supply is turned on, the bevel gear VI 215 starts to work, the bevel gear VI is driven by the stepping motor I214 to rotate anticlockwise, and the included angle between the connecting rod IV 217 and the vertical surface is 0-arccos (R/L)6) In the formula of L6The distance between the hinge point G and the hinge point F is defined, the two templates are in a state that the upper template 201 enters and the lower template 223 exits; meanwhile, the stepping motor II 410 drives a push plate 405 in the lifting mechanism 4 to lift;
step 2: the upper template 201 is heated by the heating plate 406, and the lower template 223 takes out and loads the parts;
and step 3: the step motor I214 stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to lift;
and 4, step 4: the stepping motor I214 drives the bevel gear VI 215 to continue rotating, and the included angle between the connecting rod IV 217 and the vertical surface is arccos (R/L)6) When the temperature reaches 0 ℃, the state is that the upper template 201 is out and the lower template 223 is in; the stepping motor II 410 drives the push plate 405 in the lifting mechanism 4 to descend,
and 5: taking and feeding the upper template 201, and heating the lower template 223 by the heating plate 406;
step 6: the step motor I214 stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to lift;
and 7: driven by a stepping motor I214, an upper template 201 enters and a lower template 223 exits;
and 8: if the operation is continued, the step 2 to the step 7 are continuously and sequentially circulated; if the work is stopped, the lower template 223 is taken out, the power supply is turned off, and the work is finished.
The invention has the beneficial effects that:
the invention provides an intelligent efficient vulcanizing press, which can realize the alternate work of an upper template and a lower template, ensure the effect that the vulcanizing press is in an operation state all the time, realize the lifting motion of a heating plate and alternately heat the upper template and the lower template. When the upper template works, the lower template is pushed out, and the heating plate heats the upper template; when the lower template works, the upper template is pushed out, and the heating plate heats the lower template. The device has the characteristics of simple structure, easy operation, strong adaptability and high working efficiency. The method has good application effect in the fields of mechanical manufacturing and the like, and has important application significance in the aspects of high-efficiency production of automobile sealing rings and the like.
Drawings
FIG. 1 is a left side sectional view of the schematic construction of the present invention;
FIG. 2 is an isometric view of a schematic of the construction of the present invention;
fig. 3 is a structural view of the reciprocating mechanism 2 of the present invention;
fig. 4 is a partial structural view of the reciprocating mechanism 2 of the present invention;
fig. 5 is a structural view of the die mechanism 3 of the present invention;
fig. 6 is a structural view of the elevating mechanism 4 of the present invention;
FIG. 7 is a schematic representation of two positions of motion of the reciprocating mechanism 2 of the present invention;
FIG. 8 is a schematic length relationship of the linkage 6 of the reciprocating mechanism 2 of the present invention;
FIG. 9 is a graph of displacement versus time for the movement of the upper plate 201 in accordance with the present invention;
FIG. 10 is a graph of the velocity of movement of upper platen 201 versus time in accordance with the present invention;
FIG. 11 is a graph of acceleration versus time for the movement of upper plate 201 in accordance with the present invention;
FIG. 12 is a graph of lower platen 223 motion displacement versus time in accordance with the present invention;
FIG. 13 is a graph of the speed of movement of the lower platen 223 versus time in accordance with the present invention;
FIG. 14 is a graph of acceleration versus time for the movement of the lower platen 223 of the present invention;
fig. 15 is an overall operational flow diagram of the present invention.
In the figure:
1 a machine body; 2, a reciprocating mechanism; 3, a die pressing mechanism; 4, a lifting mechanism; 201, mounting a template; 202 a connecting rod I; 203, a connecting rod II; 204, a sliding block I; 205 link III; 206 a bevel gear shaft I; 207 bevel gear i; 208 bevel gear II; 209 a bevel gear shaft II; 210 bevel gear III; 211 bevel gear iv; 212 bevel gear shaft III; 213 bevel gear V; 214 a stepping motor I; 215 bevel gear iv; 216 bevel gear shaft IV; 217 connecting rod IV; 218 a slide block II; 219 link V; 220 connecting rod VI; 221 a connecting rod VII; 222 connecting rod VIII; 223 a lower template; 224 link IX; 225 connecting rod X; 226 connecting rod XI; 227 connecting rod XII; 228 connecting rod xiii; 229 connecting rod xiv; 301, pressing the mould; 302, bolt I; 303, a bolt II; 304 hydraulic cylinder I; 305 a displacement sensor I; 306 a hydraulic cylinder II; 307 displacement sensor II; 308 displacement sensor III; 309 a displacement sensor IV; 310, a hydraulic cylinder III; 311 a hydraulic cylinder IV; 312, bolt III; 313 bolt IV; 401 lifting a connecting rod I; 402 a lifting connecting rod II; 403 guide column I; 404 a guide post II; 405 pushing the board; 406 heating the plate; 407 guide post III; 408 a guide post IV; 409 coupler; 410 a step motor II; 411 an output shaft; 412 bearing seat.
Detailed Description
The embodiments and working procedures of the present invention will be further explained with reference to the examples shown in the drawings.
Fig. 1 is a left side sectional view of the structural schematic diagram of the present invention, and fig. 2 is an isometric view of the structural schematic diagram of the present invention, and the intelligent high-efficiency vulcanizing press in the present embodiment comprises a machine body 1, a reciprocating mechanism 2, a die pressing mechanism 3 and a lifting mechanism 4. The reciprocating mechanism 2 is transversely and fixedly installed on the middle layer of the mechanical body 1, the die pressing mechanism 3 is fixedly installed at the middle position of the upper top of the mechanical body 1 through bolts and is located on the upper side of the reciprocating mechanism 2, and the lifting mechanism 4 is fixedly installed at the middle position of the lower bottom of the mechanical body 1 through bolts and is located on the lower side of the reciprocating mechanism 2.
Fig. 3 is a structural view of a reciprocating mechanism 2 of the present invention, fig. 4 is a partial structural view of the reciprocating mechanism 2 of the present invention, and as shown in fig. 3 and 4, the reciprocating mechanism 2 includes an upper die plate 201, a connecting rod i 202, a connecting rod ii 203, a slider i 204, a connecting rod iii 205, a bevel gear shaft i 206, a bevel gear i 207, a bevel gear ii 208, a bevel gear shaft ii 209, a bevel gear iii 210, a bevel gear iv 211, a bevel gear shaft iii 212, a bevel gear v 213, a stepping motor i 214, a bevel gear vi 215, a bevel gear shaft iv 216, a connecting rod iv 217, a slider ii 218, a connecting rod v 219, a connecting rod vi 220, a connecting rod vii 221, a connecting rod viii 222, a lower die plate 223, a connecting rod ix 224, a connecting rod x 225, a connecting rod xi 226, a connecting rod xii 227, a connecting rod iii 228, a connecting rod xiv 229;
the stepping motor I214 is fixedly connected with a boss on the machine body 1 through a bolt, the bevel gear V213 is fixedly connected with an output shaft of the stepping motor I214, and the V213 is vertically meshed with the bevel gear VI 215 and the bevel gear IV 211 respectively; the bevel gear II 208 is vertically meshed with the bevel gear I207 and the bevel gear III 210 respectively; the bevel gear III 210 and the bevel gear IV 211 are fixedly connected to a bevel gear shaft III 212 through a key respectively, and the bevel gear shaft III 212 and the bevel gear shaft II 209 are fixed through bearings arranged on a boss of the machine body 1 respectively;
the bevel gear shaft I206 is fixedly connected with a connecting rod III 205, the connecting rod III 205 is hinged with a sliding block I204 through a hinge, one end of a connecting rod II 203 penetrates through the sliding block I204 to be hinged with one ends of the connecting rod I202 and the connecting rod XII 227 through a hinge, the other end of the connecting rod II 203 is hinged with one ends of a connecting rod XIII 228 and a connecting rod XIV 229 through a hinge, and the other ends of the connecting rod XII 227 and the connecting rod XIII 228 are respectively connected with two ends of a connecting rod XI 226 through hinges; the other end of the connecting rod XIV 229 is connected to the lower template 223 through a hinge; the other end of the connecting rod I202 is hinged with the upper template 201 through a hinge;
the bevel gear shaft IV 216 is fixedly connected with a connecting rod IV 217, the connecting rod IV 217 is hinged with a sliding block II 218 through a hinge, one end of a connecting rod IX 224 penetrates through the sliding block II 218 to be hinged with one ends of a connecting rod X225 and a connecting rod VI 220 through a hinge, the other end of the connecting rod IX 224 is hinged with one ends of a connecting rod V219 and a connecting rod VII 221 through a hinge, the other ends of the connecting rod VI 220 and the connecting rod VII 221 are respectively connected to the connecting rod VIII 222 through hinges, and the other end of the connecting rod V219 is connected to a lower template 223 through a hinge; the other end of the connecting rod X225 is hinged with the upper template 201 through a hinge;
the stepping motor I214 drives a bevel gear group consisting of a bevel gear shaft I206, a bevel gear I207, a bevel gear II 208, a bevel gear shaft II 209, a bevel gear III 210, a bevel gear IV 211, a bevel gear shaft III 212, a bevel gear V213, a bevel gear VI 215 and a bevel gear shaft IV 216 to realize the function of a speed divider, so that the motion speeds and directions of two sides are kept consistent, the bevel gear shaft 206 and the bevel gear shaft IV 216 are fixedly connected with a connecting rod III 205 and a connecting rod IV 217 respectively, and a connecting rod group consisting of a connecting rod I202, a connecting rod II 203, a sliding block I204, a connecting rod III 205, a connecting rod IV 217, a sliding block II 218, a connecting rod V219, a connecting rod VI 220, a connecting rod VII 221, a connecting rod VIII 222, a connecting rod IX 224, a connecting rod X225, a connecting rod XI 226, a connecting rod XII 227, a connecting rod XIII 228 and a connecting rod XIV 229 drives an upper template 201 and a lower template 223 to realize reciprocating alternate work so as to ensure that the vulcanizing press works effectively all the time.
As shown in fig. 5, the die pressing mechanism 3 mainly includes a die 301, a plurality of hydraulic cylinders (a hydraulic cylinder i 304, a hydraulic cylinder ii 306, a hydraulic cylinder iii 310, and a hydraulic cylinder iv 311), and displacement sensors (a displacement sensor i 305, a displacement sensor ii 307, a displacement sensor iii 308, and a displacement sensor iv 309); the hydraulic cylinders are arranged on the pressing die 301 in a symmetrical distribution mode, push rods of the hydraulic cylinders are fixedly connected with the pressing die 301 through bolts (a bolt I302, a bolt II 303, a bolt III 312 and a bolt IV 313), and the upper parts of the hydraulic cylinders are fixed at the middle position of an extending frame at the top of the machine body 1; and a displacement sensor is arranged beside each hydraulic cylinder and is arranged in the middle of the extending frame on the top of the machine body 1 in a bonding and fixing mode.
The die 301 is driven to move up and down by a hydraulic control hydraulic cylinder I304, a hydraulic cylinder II 306, a hydraulic cylinder III 310 and a hydraulic cylinder IV 311. And the displacement sensor I305, the displacement sensor II 307, the displacement sensor III 308 and the displacement sensor IV 309 are fixedly connected with the pressing die 301 respectively, and the displacements of the feedback hydraulic cylinder I304, the hydraulic cylinder II 306, the hydraulic cylinder III 310 and the hydraulic cylinder IV 311 are monitored and adjusted in real time.
Fig. 6 is a structural diagram of the lifting mechanism 4 of the present invention, and the lifting mechanism 4 includes a lifting link i 401, a lifting link ii 402, a guide post i 403, a guide post ii 404, a push plate 405, a heating plate 406, a guide post iii 407, a guide post iv 408, a coupling 409, a stepping motor ii 410, an output shaft 411, and a bearing seat 412.
The automatic lifting device comprises a machine body 1, a stepping motor II 410, a bearing seat 412, a lifting connecting rod I401, a lifting connecting rod II 402, a heating plate 406, a guide post I403, a guide post II 404, a guide post III 407 and a guide post IV 408, wherein the stepping motor II 410 is fixedly arranged at the middle position of the bottom of the machine body 1 through a bolt, one end of an output shaft 411 is fixedly connected with the output end of the stepping motor II 410 through a coupling 409, the bearing seat 412 is fixedly arranged at the middle position of the bottom of the machine body 1 through a bolt, the other end of the output shaft 411 is fixedly connected with the lifting connecting rod I401, the lifting connecting rod I401 is hinged with the lifting connecting rod II 402 through a hinge, the lifting connecting rod II 402 is hinged with a push rod at the lower end of a push plate 405 through a hinge, the heating plate 406 is fixedly arranged on the upper surface of the push plate 405 through a bolt, the guide posts I403, the guide post II 404, the guide post III 407 and the guide post IV 408 are symmetrically arranged on the lower surface of the push plate 405;
the stepping motor II 410 drives a connecting rod group formed by the lower ends of the lifting connecting rod I401, the lifting connecting rod II 402 and the push plate 405 through the coupler 411 and the bearing seat 412, and then pushes the heating plate to move up and down. The lifting mechanism 4 drives the heating plate 406 to alternately heat the upper template 201 and the lower template 223, and the guide column I403, the guide column II 404, the guide column III 407 and the guide column IV 408 play a role in guiding. When the upper template 201 works, the lower template 223 is pushed out, and the heating plate 406 heats the upper template 201; when the lower platen 223 is in operation, the upper platen 201 is pushed out and the heating plate 406 heats the lower platen 223 to ensure that the curing press is in operation at all times.
FIG. 7 is a schematic view of the initial movement position of the reciprocating mechanism 2 of the present invention; the position of movement of the individual rods can be clearly seen.
FIG. 8 is a schematic length relationship of the linkage 6 of the reciprocating mechanism 2 of the present invention; when the position state of the connecting rod group is in red, the upper template 7 is pushed out at the time, and the lower template 8 is pulled in, at the time, the processed rubber ring of the upper template 7 can be taken out, and meanwhile, the lower template 8 continues to heat; when the position state of the connecting rod group is in black, the upper template 7 is pulled in at the moment, and the lower template 8 is pushed out, the rubber ring processed by the lower template 8 can be taken out at the moment, and meanwhile, the upper template 7 continues to be heated, so that the time utilization rate of the vulcanizing press is improved. In the known1、l2、l3. Under R's the condition, can confirm the length and the mounted position of each link, the process of involving is as follows:
step 1: first, alpha is calculated from the formula (1)1The size of (2):
Figure BDA0002357395110000071
in the formula of alpha1Is the included angle between the connecting rod VII 221 and the vertical direction, R is the length of the connecting rod IX 224, l1The length of the upper and lower templates 201, 223.
Step 2: according to alpha1H is calculated by the formula (2)1The size of (2):
Figure BDA0002357395110000081
in the formula h1Is the vertical distance between hinge point A and hinge point F, |2The horizontal distance between hinge point a and hinge point F.
And step 3: according to h1、l2R, calculating L from the formulas (3) and (4)1、L2The size of (2):
Figure BDA0002357395110000082
Figure BDA0002357395110000083
in the formula L1Length, L, of the connecting rod VII 2212Is the length of the link v 219.
And 4, step 4: from the above-mentioned rod lengths and distances, beta is calculated by the formula (5)1The size of (2):
Figure BDA0002357395110000084
in the formula beta1Is L1Angle to the horizontal, |3The horizontal distance between hinge point a and hinge point C.
And 5: then, the alpha can be calculated by the formula (6) and the formula (7)3And beta2The size of (2):
Figure BDA0002357395110000085
β2＝π-α3-β1 (7)
in the formula of alpha3Is L1Angle with horizontal, beta2Is L1And L3The included angle therebetween.
Step 6: then, from the formulas (8) and (9), L can be calculated5And beta3The size of (2):
Figure BDA0002357395110000086
Figure BDA0002357395110000087
in the formula L5Is the distance between hinge point A and hinge point C, beta3Is L1And the angle between the hinge point A and the hinge point C is included.
And 7: finally, the equation set (10) is used to calculate L3And L4The size of (2):
Figure BDA0002357395110000091
obtaining by solution:
Figure BDA0002357395110000092
in the formula L3Is the length, L, of the connecting rod VIII 2224Is the length of the connecting rod vi 220.
The length of the connecting rod IV 217 is equal to the radius R of the circle of revolution, and the length of the connecting rod X225 is equal to the length l of the lower die plate 2231
And 8: finally, the length and the mounting position of each link can be determined by the above equations (1) to (11).
Fig. 9 is a graph of motion displacement versus time for the upper mold plate 201 of the present invention, fig. 10 is a graph of motion velocity versus time for the upper mold plate 201 of the present invention, fig. 11 is a graph of motion acceleration versus time for the upper mold plate 201 of the present invention, fig. 12 is a graph of motion displacement versus time for the lower mold plate 223 of the present invention, fig. 13 is a graph of motion velocity versus time for the lower mold plate 223 of the present invention, and fig. 14 is a graph of motion acceleration versus time for the lower mold plate 223 of the present invention; the moving positions, speeds and accelerations of the upper template 201 and the lower template 223 can be reflected by the graphs.
As shown in fig. 15, the method for controlling an intelligent high-efficiency vulcanizing press of the invention comprises the following steps:
step 1: the power supply is turned on, the bevel gear VI 215 starts to work, the bevel gear VI is driven by the stepping motor I214 to rotate anticlockwise, and the included angle between the connecting rod IV 217 and the vertical surface is 0-arccos (R/L)6) In the formula of L6The distance between the hinge point G and the hinge point F is defined, the two templates are in a state that the upper template 201 enters and the lower template 223 exits; meanwhile, the stepping motor II 410 drives a push plate 405 in the lifting mechanism 4 to lift;
step 2: the upper template 201 is heated by the heating plate 406, and the lower template 223 takes out and loads the parts;
and step 3: the step motor I214 stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to lift;
and 4, step 4: the stepping motor I214 drives the bevel gear VI 215 to continue rotating, and the included angle between the connecting rod IV 217 and the vertical surface is arccos (R/L)6) When the temperature reaches 0 ℃, the state is that the upper template 201 is out and the lower template 223 is in; the stepping motor II 410 drives the push plate 405 in the lifting mechanism 4 to descend,
and 5: taking and feeding the upper template 201, and heating the lower template 223 by the heating plate 406;
step 6: the step motor I214 stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism 3 drives the pressing die 301 to lift;
and 7: driven by a stepping motor I214, an upper template 201 enters and a lower template 223 exits;
and 8: if the operation is continued, the step 2 to the step 7 are continuously and sequentially circulated; if the work is stopped, the lower template 223 is taken out, the power supply is turned off, and the work is finished.

Claims (5)

1. An intelligent efficient vulcanizing press is characterized by comprising a mechanical body (1), a reciprocating mechanism (2), a die pressing mechanism (3) and a lifting mechanism (4), wherein the mechanical body (1) is a shell, the upper part of the mechanical body is provided with an extension frame, the middle part of the mechanical body is provided with a boss, and the lower part of the mechanical body is provided with a platform; the reciprocating mechanism (2) is transversely and fixedly arranged on the middle layer of the mechanical body (1), the die pressing mechanism (3) is fixedly arranged at the middle position of the upper top of the mechanical body (1) through a bolt, and the lifting mechanism (4) is fixedly arranged at the middle position of the lower bottom of the mechanical body (1) through a bolt;
the reciprocating mechanism (2) comprises an upper template (201), a connecting rod I (202), a connecting rod II (203), a sliding block I (204), a connecting rod III (205), a bevel gear shaft I (206), a bevel gear I (207), a bevel gear II (208), a bevel gear shaft II (209), a bevel gear III (210), a bevel gear IV (211), a bevel gear shaft III (212), a bevel gear V (213), a stepping motor I (214), a bevel gear VI (215), a bevel gear shaft IV (216), a connecting rod IV (217), a sliding block II (218), a connecting rod V (219), a connecting rod VI (220), a connecting rod VII (221), a connecting rod VIII (222), a lower template (223), a connecting rod IX (224), a connecting rod X (225), a connecting rod XI (226), a connecting rod XII (227), a connecting rod XIII (228) and a connecting rod XIV (229);
the stepping motor I (214) is fixedly connected with a boss on the machine body (1) through a bolt, the bevel gear V (213) is fixedly connected with an output shaft of the stepping motor I (214), and the bevel gear V (213) is vertically meshed with the bevel gear VI (215) and the bevel gear IV (211) respectively; the bevel gear II (208) is vertically meshed with the bevel gear I (207) and the bevel gear III (210) respectively; the bevel gear III (210) and the bevel gear IV (211) are fixedly connected on a bevel gear shaft III (212) through keys respectively, the bevel gear shaft III (212) and the bevel gear shaft II (209) are fixed through bearings arranged on a boss of the machine body (1) respectively,
the bevel gear shaft I (206) is fixedly connected with a connecting rod III (205), the connecting rod III (205) is hinged to a sliding block I (204) through a hinge, one end of a connecting rod II (203) penetrates through the sliding block I (204) to be hinged to one ends of the connecting rod I (202) and the connecting rod XII (227), the other end of the connecting rod II (203) is hinged to one ends of a connecting rod XIII (228) and a connecting rod XIV (229) through a hinge, and the other ends of the connecting rod XII (227) and the connecting rod XIII (228) are respectively connected to two ends of the connecting rod XI (226) through hinges; the other end of the connecting rod XIV (229) is connected to the lower template (223) through a hinge; the other end of the connecting rod I (202) is hinged with the upper template (201) through a hinge;
the bevel gear shaft IV (216) is fixedly connected with a connecting rod IV (217), the connecting rod IV (217) is hinged with a sliding block II (218) through a hinge, one end of a connecting rod IX (224) penetrates through the sliding block II (218) to be hinged with one ends of a connecting rod X (225) and a connecting rod VI (220) through a hinge, the other end of the connecting rod IX (224) is hinged with a connecting rod V (219) and one end of a connecting rod VII (221) through a hinge, the other ends of the connecting rod VI (220) and the connecting rod VII (221) are respectively connected to the connecting rod VIII (222) through hinges, and the other end of the connecting rod V (219) is connected to a lower template (223) through a hinge; the other end of the connecting rod X (225) is hinged with the upper template (201) through a hinge;
the die pressing mechanism (3) is located right above a heating forming working position of an upper die plate (201) of the reciprocating mechanism (2), and the lifting mechanism (4) is fixedly installed in the middle of the bottom of the mechanical body (1) through bolts and located right below a heating forming working position of a lower die plate (223) of the reciprocating mechanism (2).
2. The intelligent efficient vulcanization press of claim 1, characterized in that the die mechanism (3) mainly comprises a die (301), a plurality of hydraulic cylinders and a displacement sensor; the hydraulic cylinders are arranged on the pressing die in a symmetrical distribution mode, push rods of the hydraulic cylinders are fixedly connected with the pressing die, and the upper parts of the hydraulic cylinders are fixed in the middle of the upper top of the mechanical body (1); and a displacement sensor is arranged beside each hydraulic cylinder and is arranged in the middle of the extending frame on the top of the mechanical body (1) in a bonding and fixing mode.
3. The intelligent efficient vulcanizing press as claimed in claim 1, wherein the lifting mechanism (4) comprises a lifting connecting rod I (401), a lifting connecting rod II (402), a guide column I (403), a guide column II (404), a push plate (405), a heating plate (406), a guide column III (407), a guide column IV (408), a coupling (409), a stepping motor II (410), an output shaft (411) and a bearing seat (412);
the stepping motor II (410) is fixedly arranged at the middle position of the bottom of the machine body (1) through a bolt, one end of the output shaft (411) is fixedly connected with the output end of the stepping motor II (410) through a coupler (409), the bearing seat (412) is fixedly arranged at the middle position of the bottom of the machine body (1) through a bolt, the other end of the output shaft (411) is fixedly connected with the lifting connecting rod I (401), the lifting connecting rod I (401) is hinged with the lifting connecting rod II (402) through a hinge, the lifting connecting rod II (402) is hinged with the lower end of the push plate (405) through a hinge, and the heating plate (406) is fixedly arranged on the upper surface of the push plate (405) through a bolt; the guide posts I (403), II (404), III (407) and IV (408) are symmetrically arranged on the lower surface of the push plate (405), and the guide posts I (403), II (404), III (407) and IV (408) are arranged in guide holes of a platform at the lower part of the mechanical body (1).
4. The intelligent efficient vulcanization press of claim 1,
length L of connecting rod VII (221)1Length L of connecting rod V (219)2Composed of formula (3) and formula (4)
Figure FDA0003009040560000021
Figure FDA0003009040560000022
Wherein h is1Is the vertical distance between the hinge point A and the hinge point F, is obtained by the formula (2),
Figure FDA0003009040560000023
in the formula I2Is the horizontal distance, α, between hinge point A and hinge point F1Is an included angle between the connecting rod VII (221) and the vertical direction and is obtained by a formula (1),
Figure FDA0003009040560000024
wherein R is the length of the connecting rod IX (224) |1The lengths of the upper template (201) and the lower template (223);
the lengths of the connecting rod VIII (222) and the connecting rod VI (220) are calculated according to the following formula;
Figure FDA0003009040560000031
wherein L is5Is the distance between the hinge point (A) and the hinge point (C),
Figure FDA0003009040560000032
β3is L1The included angle between the hinge point (A) and the connecting line between the hinge point (C)
Figure FDA0003009040560000033
β2Is L1And L3The included angle between them;
β2＝π-α3-β1 (7)
in the formula (7) < alpha >3Is L1The included angle between the horizontal direction and the horizontal direction,
Figure FDA0003009040560000034
in the formula beta1Is L1Angle with horizontal direction
Figure FDA0003009040560000035
The length of the connecting rod IV (217) is equal to the radius (R) of the circle of revolution, and the length of the connecting rod X (225) is equal to the length l of the lower template (223)1，l3The horizontal distance between hinge point a and hinge point C.
5. The control method of the intelligent efficient vulcanizing press as claimed in claim 1, comprising the following steps:
step (1): starting a power supply to start work, wherein the bevel gear VI (215) is driven by the stepping motor I (214) to rotate anticlockwise, and the included angle between the connecting rod IV (217) and the vertical surface is 0-arccos (R/L)6) In the formula of L6The distance between the hinge point G and the hinge point F is defined, the two templates are in a state that the upper template (201) enters and the lower template (223) exits; meanwhile, a stepping motor II (410) drives a push plate (405) in the lifting mechanism (4) to rise;
step (2): heating the upper template (201) by a heating plate (406), and taking and feeding the lower template (223);
and (3): the stepping motor I (214) stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism (3) drives the pressing die (301) to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism (3) drives the pressing die (301) to lift;
and (4): the step motor I (214) drives the bevel gear VI (215) to rotate continuously, and the included angle between the connecting rod IV (217) and the vertical surface is arccos (R/L)6) When the temperature reaches 0 ℃, the state is that the upper template (201) is out, and the lower template (223) is in; the stepping motor II (410) drives a push plate (405) in the lifting mechanism (4) to descend,
and (5): taking and feeding the upper template (201), and heating the lower template (223) by a heating plate (406);
and (6): the stepping motor I (214) stops working, after the heating meets the requirement, the hydraulic cylinder in the die pressing mechanism (3) drives the pressing die (301) to press downwards, and after the pressure is maintained for a set time, the hydraulic cylinder in the die pressing mechanism (3) drives the pressing die (301) to lift;
and (7): driven by a stepping motor I (214), an upper template (201) enters and a lower template (223) exits;
and (8): if the operation is continued, the steps (2) to (7) are continuously circulated in sequence; and if the work is stopped, taking the lower template (223) and turning off the power supply, thus finishing the work.
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