CN111730880A - Electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production - Google Patents
Electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production Download PDFInfo
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- CN111730880A CN111730880A CN202010638978.6A CN202010638978A CN111730880A CN 111730880 A CN111730880 A CN 111730880A CN 202010638978 A CN202010638978 A CN 202010638978A CN 111730880 A CN111730880 A CN 111730880A
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, which comprises a rack, a die table component, a traction component, a servo hydraulic system and a servo control system, wherein the die table component comprises a hot die, two groups of brackets, an adjusting screw rod and a heating aviation plug; the traction assembly comprises two groups of gantry assemblies, and each gantry assembly comprises a traction oil cylinder, a clamping oil cylinder, a gantry, an upper clamping plate and a lower clamping plate; the servo hydraulic system comprises an oil tank, three groups of gear pumps, two groups of reversing valves for traction oil cylinders, two groups of reversing valves for clamping oil cylinders, a cooling system and a magnetic lubricating system; the servo control system comprises an electric appliance control box and a rocker arm type operation box; two groups of gantry assemblies are alternated, and the product is dragged to walk step by step, so that continuous pultrusion is realized; the production method has the advantages that the glass fiber reinforced plastic product can be stably produced at a rated speed, the production quality and efficiency of the product are improved, and the optimization and promotion of the production process of glass fiber reinforced plastic pultrusion are facilitated.
Description
Technical Field
The invention belongs to the technical field of glass fiber reinforced plastic product production equipment, particularly relates to pultrusion equipment, and particularly relates to electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production.
Background
In the process of producing the glass fiber reinforced plastic pultrusion, yarns and felt cloth are arranged, resin is soaked, the glass fiber reinforced plastic product with the specified specification is formed through thermal molding solidification, drawing by a traction device and cutting by a cutting machine, the molding quality is controlled by the coordinated action of the thermal mold and the traction device in the molding process, otherwise, the phenomena of mold blockage and incomplete product solidification are caused, and the arrangement of a traction device is particularly important for the glass fiber reinforced plastic pultrusion process. However, in the conventional pultrusion equipment, there are a lot of serious problems, such as unsynchronized speed when two groups of gantries are controlled to operate alternately by hand, and easy occurrence of pause and frustration phenomena, which cause damages to products caused by different speeds when the products are heated; in the traditional pultrusion traction equipment, as the clamping force of the gantry to the product is manually adjusted through a hydraulic system, the phenomenon that the product is damaged by too large gantry clamping force or cannot be pulled by too small gantry clamping force is easily caused. In order to overcome the problem, the applicant provides electro-hydraulic servo control pultrusion equipment for producing the glass fiber reinforced plastics.
Disclosure of Invention
The invention aims to provide electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, solves the problems in the prior art, and provides intelligent and efficient electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, which has reasonable structural design and good stability, can effectively improve the efficiency of products and realize gantry alternate non-pause operation.
In order to achieve the purpose, the invention provides the following technical scheme: an electro-hydraulic servo control pultrusion device for glass fiber reinforced plastic production comprises a rack, a die table assembly, a traction assembly, a servo hydraulic system and a servo control system, wherein the die table assembly comprises a hot die, two groups of brackets, an adjusting screw rod, a heating aviation plug and a thermocouple;
the traction assembly comprises two groups of gantry assemblies, each gantry assembly comprises a traction oil cylinder, a clamping oil cylinder, a gantry frame, an upper clamping plate and a lower clamping plate, the clamping oil cylinders are arranged on the gantry frames and fixedly connected with the upper clamping plates, the lower ends of the gantry frames are fixedly connected with the lower clamping plates, sliders are arranged at the bottoms of the lower clamping plates and slidably connected with linear guide rails arranged on the rack, the traction oil cylinders are arranged between the rack and the lower clamping plates, pull wire encoders are arranged below the lower clamping plates, and proximity switches are arranged at two ends of the linear guide rails; the two groups of gantry assemblies alternately walk and retreat in a stepping manner to realize continuous pultrusion;
the servo hydraulic system comprises an oil tank, three groups of gear pumps, two groups of reversing valves for traction oil cylinders, two groups of reversing valves for clamping oil cylinders, a cooling system and a magnetic lubricating system; the oil tank is arranged in the middle of the rack, the gear pump is arranged on the oil tank through the pump frame, and the two groups of reversing valves for the traction oil cylinder and the two groups of reversing valves for the clamping oil cylinder are connected on the oil tank through oil passages; the filter element is arranged at the inlet of the oil tank; the cooling system is arranged beside the oil tank and reduces the oil temperature through a pipeline; the magnetic lubricating system comprises magnetic lubricating oil arranged on the linear guide rail;
the servo control system comprises an electric appliance control box and a rocker arm type operation box, wherein the electric appliance control box comprises a servo driver, three groups of servo motors, a PLC (programmable logic controller), a pressure sensor and an emergency stop button, and the servo driver drives the servo motors; the rocker arm type operation box comprises a touch display screen, a traction force adjusting knob, a speed adjusting knob, a clamping force adjusting knob, a power switch, an emergency stop button, a program pause button, a manual automatic knob, a single step synchronous knob, six heating switches and ten single step operation buttons.
Furthermore, the two groups of brackets are arranged on the upper side of the left end of the rack, and mounting hole positions are arranged on the rack to adjust the distance between the two groups of brackets and place hot dies with different specifications; the adjusting screw rod is in threaded connection with the bracket, and the adjusting screw rod supports the hot die to adjust the height of the hot die, so that the hot die and the lower clamping plate are positioned on the same plane; the thermocouples are respectively connected to the outer side of the hot die and the oil circuit and used for measuring the temperature of the hot die and the temperature of the oil circuit; the hot film is provided with an electric heating device, the electric heating device is connected with a heating aviation plug, and the heating is realized by connecting the heating aviation plug with a power line.
Further, the oil tank upside sets up three gear pumps connect respectively and correspond three servo motor of group.
Furthermore, the two gantry assemblies are arranged on the upper side of the right part of the rack, the servo motors are combined with the gear pumps to control the clamping oil cylinders of the two gantry assemblies, the clamping force is adjusted through the clamping force adjusting knob, the clamping force is detected through the pressure sensor, the pressure sensors are respectively arranged on the lower side of the upper clamping plate and between the traction oil cylinder and the lower clamping plate, and the gantry assemblies are kept to operate with constant clamping force during production of clamped products.
Furthermore, the two groups of servo motors are combined with two groups of gear pumps to respectively control two groups of traction oil cylinders through oil passages and reversing valves, the oil passages are controlled through the servo motors, the pressure of the oil passages is adjusted in real time, and the traction drawing speed is controlled through adjustment of a speed adjusting knob.
Furthermore, PLC passes through the change of centre gripping hydro-cylinder clamping-force receives pressure sensor's signal, the accurate fuel feeding of adjustment servo motor, to the accurate regulation of clamping-force.
Furthermore, the PLC measures the operation displacement and speed of the traction oil cylinder through a stay wire encoder, receives the feedback of the operation speed of the traction oil cylinder and the change of the set speed, adjusts the accurate oil supply of the servo motor, and accurately adjusts the speed of the traction product of the two groups of gantry assemblies.
Furthermore, the cooling system comprises a return oil path which is folded back and forth, and a return oil path which is cooled and returns to the oil tank again through the filter element.
Furthermore, the servo control system displays the traction speed, the clamping force, the traction force, the temperature of the hot die and the temperature of the oil circuit during production of the product on the touch display screen in real time, so that an operator can conveniently master the production condition in time, and data reference is provided for the next production.
The invention has the following beneficial effects:
the gantry type hydraulic drawing machine adopts an electro-hydraulic servo control system, gantry components are alternately stable without pause and pause, the drawing speed of a servo hydraulic system is stable and adjustable, a speed regulating valve is not required to be additionally added, products cannot be dragged by pause and pause, and the quality of the products is improved; the coordination performance is good, the coordination performance of two-way traction drawing is good, and automatic intelligent adjustment can be performed according to real-time position feedback of a machine table; the hydraulic clamping structure is simple, and the die change is convenient; the load is sensitive, frequent pressure regulation is avoided, a servo hydraulic system is adopted, the pressure of a main oil way can be conveniently adjusted in real time, a pressure regulating valve on a clamping oil way is omitted, stepless speed regulation is realized, and the precision reaches 1 mm/min; the energy loss of a hydraulic system is reduced, the servo hydraulic system supplies oil according to needs, no overflow loss exists in the working process, and the efficiency of the permanent magnet servo motor is high, so that the electric energy is greatly saved, and about 60 percent of electric quantity can be saved; the oil seal is silent and environment-friendly, the servo system can effectively control the working noise and the oil temperature of equipment, the oil viscosity is reduced slowly, the pressure characteristic is good, the aging period of the oil seal is prolonged, the later maintenance cost is saved, and the working environment of a leakage-free workshop is clean; the servo driver has the protection functions of undervoltage, overcurrent, phase loss, overtemperature and the like, and the service life of equipment is prolonged; the investment is low and the return is high, a servo hydraulic system is adopted, the first purchasing cost of a client slightly rises, but the investment return period of a product is within one year according to different industries and processes; the automation degree is high, an intelligent module can be added, and a foundation is provided for realizing remote monitoring, operation, fault diagnosis and the like;
the invention connects the winding machine and the cutting machine to form a glass fiber reinforced plastic product production line, feeds materials through the arrangement of wires, cloth and glue solution, and realizes non-stop online automatic production through extrusion, traction and cutting, thereby greatly improving the production quality and production efficiency of products and being beneficial to further optimization and promotion of the production process of the whole novel plate.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the gantry assembly of the present invention.
Fig. 3 is a schematic top view of the oil passage arrangement according to the present invention.
Fig. 4 is a schematic diagram of the connection structure of the hydraulic system of the present invention.
Fig. 5 is a schematic view of the rocker arm type console box panel of the present invention.
In the figure: 1. the device comprises a hot die, 2, a bracket, 3, an electric appliance control box, 4, a rocker arm type operation box, 5, a frame, 6, a gantry assembly, 7, an emergency stop button, 8, a magnetic lubricating system, 9, an oil tank, 10, a heating aviation plug, 11, a thermocouple, 12, a traction oil cylinder, 13, a stay wire encoder, 14, a lower clamping plate, 15, an upper clamping plate, 16, a gantry, 17, a clamping oil cylinder, 18, a linear guide rail, 19, a proximity switch, 20, a cooling system, 21, a filter element, 22, a servo motor, 23, a pump frame, 24, a gear pump, 25, a one-way valve, 26, a pressure valve, 27, a reversing valve, 28 and an oil way.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "middle", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the embodiment provides an electro-hydraulic servo control pultrusion device for glass fiber reinforced plastic production, which comprises a frame 5, a die table assembly, a traction assembly, a servo hydraulic system and a servo control system, wherein the die table assembly comprises a hot die 1, two groups of brackets 2, an adjusting screw rod, a heating aviation plug 10 and a thermocouple 11;
the traction assembly comprises two groups of gantry assemblies 6, each gantry assembly 6 comprises a traction oil cylinder 12, a clamping oil cylinder 17, a gantry frame 16, an upper clamping plate 15 and a lower clamping plate 14, the clamping oil cylinder 17 is arranged on the gantry frame 16, the clamping oil cylinder 17 is fixedly connected with the upper clamping plate 15, the lower end of the gantry frame 16 is fixedly connected with the lower clamping plate 14, a sliding block is arranged at the bottom of the lower clamping plate 14 and is in sliding connection with a linear guide rail 18 arranged on the rack 5, the traction oil cylinder 12 is arranged between the rack 5 and the lower clamping plate 14, a stay wire encoder 13 is arranged below the lower clamping plate 14, and proximity switches 19 are arranged at two ends of the linear guide rail 18; the two groups of gantry assemblies 6 alternately walk and retreat step by step to realize continuous pultrusion;
the servo hydraulic system comprises three groups of oil tanks 9 and gear pumps 24, two groups of reversing valves 27 for the traction oil cylinders 12, two groups of reversing valves 27 for the clamping oil cylinders 17, a cooling system 20 and a magnetic lubricating system 8; the oil tank 9 is arranged in the middle of the frame 5, the gear pump 24 is arranged on the oil tank 9 through the pump frame 23, and two groups of reversing valves 27 for the traction oil cylinders 12 and two groups of reversing valves 27 for the clamping oil cylinders 17 which are arranged on the oil tank 9 are connected through an oil way 28; also comprises a filter element 21 arranged at the inlet of the oil tank 9; the cooling system 20 is arranged beside the oil tank 9 and reduces the oil temperature through a pipeline; the magnetic lubricating system 8 comprises magnetic lubricating oil arranged on a linear guide rail 18;
the servo control system comprises an electric appliance control box 3 and a rocker arm type operation box 4, wherein the electric appliance control box 3 comprises a servo driver, three groups of servo motors 22, a PLC (programmable logic controller), a pressure sensor and an emergency stop button 7, and the servo driver drives the servo motors 22; the rocker type operation box 4 comprises a touch display screen, a traction force adjusting knob, a speed adjusting knob, a clamping force adjusting knob, a power switch, an emergency stop button, a program pause button, a manual automatic knob, a single step synchronous knob, six heating switches and ten single step operation buttons.
In the embodiment, the two groups of brackets 2 are arranged on the upper side of the left end of the rack 5, and the rack 5 is provided with mounting hole positions for adjusting the distance between the two groups of brackets 2 and placing hot dies 1 with different specifications; the adjusting screw rod is in threaded connection with the bracket 2, and the adjusting screw rod supports the hot die 1 to adjust the height of the hot die 1, so that the hot die 1 and the lower clamping plate 14 are positioned on the same plane; the thermocouples 22 are respectively connected to the outer side of the hot die 2 and the oil way 38, and are used for measuring the temperature of the hot die 1 and the temperature of the oil way 28; the thermal film 1 is provided with an electric heating device, the electric heating device is connected with a heating aviation plug 10, and the heating is realized by connecting the heating aviation plug 10 with a power line.
In this embodiment, the three sets of gear pumps 24 are disposed on the upper side of the oil tank 9 and respectively connected to the three sets of servo motors 22.
In this embodiment, the two gantry assemblies 6 are arranged on the upper right side of the frame 5, the servo motors 22 are combined with the gear pumps 24 to control the clamping cylinders 17 of the two gantry assemblies 6, the clamping force is adjusted by the clamping force adjusting knobs, and then the clamping force is detected by the pressure sensors, which are respectively arranged on the lower side of the upper clamping plate 26 and between the traction cylinder 12 and the lower clamping plate 14, so as to keep the gantry assemblies 6 operating with constant clamping force during production of clamped products.
In this embodiment, the two groups of servo motors 22 and the two groups of gear pumps 24 respectively control the two groups of traction cylinders 12 through oil passages 28 and reversing valves 27, the oil passages 28 are controlled through the servo motors 22, the pressure of the oil passages 28 is adjusted in real time, and the traction and drawing speed is controlled through the adjustment of a speed adjusting knob.
In this embodiment, the PLC adjusts the accurate oil supply of the servo motor 22 by receiving the signal of the pressure sensor through the change of the clamping force of the clamping cylinder 17, and accurately adjusts the clamping force.
In this embodiment, the PLC measures the displacement and speed of the traction cylinder 12 through the cable encoder 13, receives the feedback of the change of the operating speed and the set speed of the traction cylinder 12, adjusts the precise oil supply of the servo motor 22, and precisely adjusts the speed of the product pulled by the two gantry assemblies 6.
In this embodiment, the cooling system 20 includes a return oil path that is folded back and forth, and the return oil path is cooled, cooled in temperature, and re-returned to the oil tank 9 through the filter element 21.
In this embodiment, the servo control system displays the traction speed, the clamping force, the traction force, the temperature of the hot mold and the temperature of the oil circuit during production of the product on the touch display screen in real time, so that an operator can conveniently grasp the production condition in time, and data reference is provided for the next production.
When the invention is implemented, the traction force adjusting knobs are knobs for adjusting the traction force of the two groups of traction oil cylinders 12; the speed adjusting knob is used for adjusting the pultrusion speed of the gantry assembly 6; the clamping force adjusting knob is a knob for adjusting the clamping force of the clamping oil cylinder 17; the two-position switches of the first area to the sixth area are temperature control heating switches of the first area to the sixth area, the hot die 1 is the first area, and the fifth area is arranged in the oil way 28; the single-step synchronous knob alternate two-position switch is a single-step motion or synchronous alternate motion switch of the two groups of gantry assemblies 6, and the manual automatic knob two-position switch is a manual control or automatic control switch.
In the invention, the PLC receives a signal of the proximity switch 19 to control the stroke of the gantry assembly 6; the PLC is respectively connected with the rocker arm type operation box 4, the reversing valve 27, the servo driver, the pressure sensor and the thermocouple 11; the PLC adjusts the electric heating device of the hot die 1; the check valve 25 is arranged on an oil path between the gear pump 24 and the oil tank 9 to avoid backflow; the pressure valve 26 is arranged on an output oil path of the gear pump 24, so that the safety of the oil path is ensured; the magnetic lubrication system 8 further comprises a lubricating oil tank and an oil pump, wherein the oil pump is connected with the lubricating oil tank to supply magnetic lubricating oil to the moving connecting surface.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The utility model provides a glass steel production is with electro-hydraulic servo control pultrusion equipment, includes frame, mould platform subassembly, pulls subassembly, servo hydraulic system and servo control system, its characterized in that: the die table component comprises a hot die, two groups of brackets, an adjusting screw rod, a heating aviation plug and a thermocouple;
the traction assembly comprises two groups of gantry assemblies, each gantry assembly comprises a traction oil cylinder, a clamping oil cylinder, a gantry frame, an upper clamping plate and a lower clamping plate, the clamping oil cylinders are arranged on the gantry frames and fixedly connected with the upper clamping plates, the lower ends of the gantry frames are fixedly connected with the lower clamping plates, sliders are arranged at the bottoms of the lower clamping plates and slidably connected with linear guide rails arranged on the rack, the traction oil cylinders are arranged between the rack and the lower clamping plates, pull wire encoders are arranged below the lower clamping plates, and proximity switches are arranged at two ends of the linear guide rails; the two groups of gantry assemblies alternately walk and retreat in a stepping manner to realize continuous pultrusion;
the servo hydraulic system comprises an oil tank, three groups of gear pumps, two groups of reversing valves for traction oil cylinders, two groups of reversing valves for clamping oil cylinders, a cooling system and a magnetic lubricating system; the oil tank is arranged in the middle of the rack, the gear pump is arranged on the oil tank through the pump frame, and the two groups of reversing valves for the traction oil cylinder and the two groups of reversing valves for the clamping oil cylinder are connected on the oil tank through oil passages; the filter element is arranged at the inlet of the oil tank; the cooling system is arranged beside the oil tank and reduces the oil temperature through a pipeline; the magnetic lubricating system comprises magnetic lubricating oil arranged on the linear guide rail;
the servo control system comprises an electric appliance control box and a rocker arm type operation box, wherein the electric appliance control box comprises a servo driver, three groups of servo motors, a PLC (programmable logic controller), a pressure sensor and an emergency stop button, and the servo driver drives the servo motors; the rocker arm type operation box comprises a touch display screen, a traction force adjusting knob, a speed adjusting knob, a clamping force adjusting knob, a power switch, an emergency stop button, a program pause button, a manual automatic knob, a single step synchronous knob, six heating switches and ten single step operation buttons.
2. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 1, is characterized in that: the two groups of brackets are arranged on the upper side of the left end of the rack, and mounting hole positions are arranged on the rack to adjust the distance between the two groups of brackets and place hot dies with different specifications; the adjusting screw rod is in threaded connection with the bracket, and the adjusting screw rod supports the hot die to adjust the height of the hot die, so that the hot die and the lower clamping plate are positioned on the same plane; the thermocouples are respectively connected to the outer side of the hot die and the oil circuit and used for measuring the temperature of the hot die and the temperature of the oil circuit; the hot film is provided with an electric heating device, the electric heating device is connected with a heating aviation plug, and the heating is realized by connecting the heating aviation plug with a power line.
3. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 2, is characterized in that: the oil tank upside sets up three gear pumps of group connect respectively and correspond three servo motor of group.
4. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 3, characterized in that: the two groups of gantry assemblies are arranged on the upper side of the right part of the rack, the group of servo motors and the group of gear pumps are used for controlling clamping cylinders of the two groups of gantry assemblies, the clamping force is adjusted through the clamping force adjusting knob, the clamping force is detected through the pressure sensor, the pressure sensors are respectively arranged on the lower side of the upper clamping plate and between the traction cylinder and the lower clamping plate, and the gantry assemblies are kept to operate with constant clamping force when clamping products are produced.
5. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 4, is characterized in that: the two groups of servo motors are combined with two groups of gear pumps to respectively control two groups of traction oil cylinders through oil passages and reversing valves, the oil passages are controlled through the servo motors, the pressure of the oil passages is adjusted in real time, and the traction drawing speed is controlled through the adjustment of a speed adjusting knob.
6. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 5, is characterized in that: the PLC receives signals of the pressure sensor through the change of the clamping force of the clamping oil cylinder, adjusts the accurate oil supply of the servo motor, and accurately adjusts the clamping force.
7. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 6, is characterized in that: the PLC measures the operation displacement and speed of the traction oil cylinder through the stay wire encoder, receives the feedback of the change of the operation speed and the set speed of the traction oil cylinder, adjusts the accurate oil supply of the servo motor, and accurately adjusts the speed of the traction product of the two groups of gantry assemblies.
8. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 7, is characterized in that: the cooling system comprises a reciprocating and folding backflow oil circuit, a cooling oil temperature cooling device and a filter element re-returning oil tank.
9. The electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production, according to claim 8, characterized in that: the servo control system displays the traction speed, the clamping force, the traction force, the hot die temperature and the oil circuit temperature of the product during production on the touch display screen in real time, so that an operator can conveniently master the production condition in time, and data reference is provided for the next production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638978.6A CN111730880A (en) | 2020-07-06 | 2020-07-06 | Electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638978.6A CN111730880A (en) | 2020-07-06 | 2020-07-06 | Electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production |
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| Publication Number | Publication Date |
|---|---|
| CN111730880A true CN111730880A (en) | 2020-10-02 |
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| CN202010638978.6A Pending CN111730880A (en) | 2020-07-06 | 2020-07-06 | Electro-hydraulic servo control pultrusion equipment for glass fiber reinforced plastic production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848399A (en) * | 2020-12-31 | 2021-05-28 | 南京海拓新材料科技有限公司 | Full-digital numerical control hydraulic FRP pultrusion machine |
-
2020
- 2020-07-06 CN CN202010638978.6A patent/CN111730880A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848399A (en) * | 2020-12-31 | 2021-05-28 | 南京海拓新材料科技有限公司 | Full-digital numerical control hydraulic FRP pultrusion machine |
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