CN117922079A - Forming control system and forming control method of steel wire winding hydraulic machine - Google Patents
Forming control system and forming control method of steel wire winding hydraulic machine Download PDFInfo
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- CN117922079A CN117922079A CN202410228593.0A CN202410228593A CN117922079A CN 117922079 A CN117922079 A CN 117922079A CN 202410228593 A CN202410228593 A CN 202410228593A CN 117922079 A CN117922079 A CN 117922079A
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- 238000004804 winding Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 238000000465 moulding Methods 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention relates to the field of hydraulic press forming control systems, in particular to a forming control system and a forming control method of a steel wire winding hydraulic press, wherein the forming control system comprises a foundation, a steel wire winding hydraulic press arranged on the foundation, a hydraulic station, an electric control cabinet and a vacuum pump station, wherein the hydraulic station is respectively positioned at the left side and the right side of the steel wire winding hydraulic press, the electric control cabinet and the vacuum pump station are respectively positioned at the front and the rear of the hydraulic station, and the temperature adjusting equipment comprises heating equipment and cooling equipment; an upper working plate and a lower working plate are arranged at the bottom of the main cylinder; a die bottom plate is arranged between the upper working plate and the lower working plate, the die bottom plate comprises a die upper bottom plate and a die lower bottom plate, and a first heating layer circulating pipe and a first cooling layer circulating pipe are arranged in the die upper bottom plate; a second heating layer circulating pipe and a second cooling layer circulating pipe are arranged in the lower bottom plate of the die; the first cooling layer circulating pipe is arranged above the first heating layer circulating pipe, and the second cooling layer circulating pipe is arranged below the second heating layer circulating pipe.
Description
Technical Field
The invention relates to the field of hydraulic press forming control systems, in particular to a forming control system and a forming control method of a steel wire winding hydraulic press.
Background
Existing large tonnage hydraulic machines typically employ a four column or frame type structure that limits the performance of the machine to some extent, and that performs well in providing vertical stability, but is relatively less stiff in the transverse and torsional directions. The frame type structure has certain advantages in the aspect of improving the overall rigidity, but still has difficulty in meeting the requirements in product molding; meanwhile, the shape of the large-tonnage hydraulic machine with the four-column structure or the frame structure can be quite large, and the heating or cooling of the product in the process of using a die is quite inconvenient. Aiming at the defect, the invention provides a molding control system and a molding control method of a steel wire winding hydraulic press, which achieve the beneficial effects of heating, cooling and the like in the product molding process by using a die.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a molding control system and a molding control method of a steel wire winding hydraulic machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The molding control system of the steel wire winding hydraulic machine comprises a foundation, a steel wire winding hydraulic machine arranged on the foundation, a hydraulic station, an electric control cabinet and a vacuum pump station, wherein the hydraulic station is respectively positioned at the left side and the right side of the steel wire winding hydraulic machine, the electric control cabinet and the vacuum pump station are respectively positioned at the front and the rear of the hydraulic station, the front side of the electric control cabinet is provided with a movable operation table, the steel wire winding hydraulic machine comprises a machine body and a machine body mounting seat, and the machine body is connected with the machine body mounting seat through bolts; the machine body mounting seat is fixed on a foundation, a main cylinder and a plurality of return cylinders are fixed on the lower end face of an upper beam of the machine body, the return cylinders are symmetrically distributed on the periphery of the main cylinder, a pressurizing cylinder is arranged on the right side of the back of the machine body, a liquid filling box is arranged on the upper part of the right side of the machine body, and a safety bolt device is respectively arranged on the left rear side and the right front side of the machine body; an electric control system is arranged in the electric control cabinet and is electrically connected with the mobile operation platform; the hydraulic station is internally provided with a hydraulic control system, the hydraulic control system is connected with a main cylinder, a return cylinder and a pressurizing cylinder through hydraulic pipelines, the whole steel wire winding hydraulic press is of a frame structure, high-strength steel wires are wound on the periphery of the frame structure and are pre-tightened, and the temperature adjusting equipment comprises heating equipment and cooling equipment; an upper working plate and a lower working plate are arranged at the bottom of the main cylinder, a certain distance is reserved between the upper working plate and the lower working plate, and the top of the return cylinder is connected with the upper beam through a bolt; the bottom of the return cylinder is connected with the upper working plate; the lower working plate is positioned on the upper end face of the lower beam of the machine body;
A die bottom plate is arranged between the upper working plate and the lower working plate, the die bottom plate comprises a die upper bottom plate and a die lower bottom plate, and a first heating layer circulating pipe and a first cooling layer circulating pipe are arranged in the die upper bottom plate; a second heating layer circulating pipe and a second cooling layer circulating pipe are arranged in the lower bottom plate of the die;
The first cooling layer circulating pipe is arranged above the first heating layer circulating pipe, and the second cooling layer circulating pipe is arranged below the second heating layer circulating pipe.
Further, two sides of the upper die bottom plate and the lower die bottom plate are respectively provided with a die side sealing plate with the same structure and size for sealing the first heating layer circulating pipe, the first cooling layer circulating pipe, the second cooling layer circulating pipe and the second heating layer circulating pipe; the bottom of the die backing plate is provided with a die ejector pin gland, a die ejector pin and a die spring in sequence; the die jacking pin gland is fixed with the bottom of the die backing plate through bolts, and the die jacking pin is fixed on the lower end face of the die jacking pin gland through bolts; the die spring is closely contacted with the lower end part of the die ejector pin; the die forming cavity is sleeved above the die backing plate.
Further, a longitudinal groove body structure which is symmetrically arranged is formed in the plate surface of the lower working plate, the length of the longitudinal groove body structure is identical to the width of the lower working plate, a hydraulic mould lifting device is arranged in the groove body structure and used for lifting a mould, a mould moving arm is fixedly arranged at the rear side of the lower working plate, and the mould moving arm is fixed with the tail end of the longitudinal groove body structure.
Further, a first cold flow source inlet and a first cold flow source outlet are respectively arranged at two ends of the first cooling layer circulating pipe, and a second cold flow source inlet and a second cold flow source outlet are respectively arranged at two ends of the second cooling layer circulating pipe; a first heat flow source inlet and a first heat flow source outlet are respectively arranged at two ends of the first heating layer circulating pipe; a second heat flow source inlet and a second heat flow source outlet are respectively arranged at two ends of the second heating layer circulating pipe; the first cold source inlet and the first cold source outlet are respectively connected with the first cold source outlet and the first cold source inlet of the cooling equipment; the second cold source inlet and the second cold source outlet are respectively connected with the second cold source outlet and the second cold source inlet of the cooling device.
Further, the first heat source inlet and the first heat source outlet are respectively connected with the first heat source outlet and the first heat source inlet of the heating device; the second heat source inlet and the second heat source outlet are respectively connected with a second heat source outlet and a second heat source inlet of the heating equipment.
The molding control method of the molding control system of the steel wire winding hydraulic machine comprises any one of the molding control systems of the steel wire winding hydraulic machine, and is characterized by comprising the following steps:
s1, heating a die to a required temperature;
s2, placing the product on a heated mold;
S3, die assembly and pressing;
s4, taking out the product after the product is cooled by opening the die
Further, the step S1 includes heating the upper die bottom plate, the lower die bottom plate and the die backing plate to 280-350 ℃ by using heating equipment.
Further, the step S2 comprises the steps of placing the product in a mold forming cavity, and vacuumizing through a vacuum pump station; the S3 comprises the following steps: s31, providing power for a main cylinder and a return cylinder through a hydraulic station; s32, the main cylinder and the return cylinder are driven to descend, and the upper working plate is driven to descend; s33, when the upper bottom plate of the die is in complete contact with the die forming cavity, forming a die assembly; s34, the pressurizing cylinder is inserted at the moment, the main cylinder is pressurized through continuous reciprocating motion, the main cylinder is driven to move downwards, a strong pressing force is generated, the return cylinder does not participate in pressing at the moment, and the return cylinder moves downwards passively along with the main cylinder.
Further, the vacuum degree of the vacuumizing is-10 kpa to-100 kpa; s4 comprises S41, wherein after the pressing is finished, the master cylinder is depressurized; s42, enabling the main cylinder to return by the return cylinder; after the main cylinder returns to the proper position, S43, the safety latch device is ejected out; s44, taking out the pressed finished product, and putting in a new product.
Further, the speed of the main cylinder and the return cylinder in descending is 25mm-35mm/s, and the speed of the die assembly is as follows: 0.45mm/s-3.5mm/s; the return speed of the main cylinder is 0mm/s-35mm/s.
Compared with the prior art, the invention has the advantages that:
The invention provides a molding control system and a molding control method of a steel wire winding hydraulic machine, which achieve the functions of heating, cooling and the like in the product molding process by using a die, and the machine body adopts a steel wire winding frame structure, is stable, evenly stressed and stable during pressing, and can generate higher compression resistance in the production process, is not easy to deform, greatly prolongs the service life of equipment, has higher rigidity and stability, and ensures that the machine body cannot deform or vibrate in the pressure applying process.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a perspective view of the upper and lower mold base plates of the present invention;
FIG. 5 is a partial cross-sectional view of a lower plate of the mold according to the present invention;
FIG. 6 is a schematic diagram of a mold heated cycle frame in accordance with the present invention;
In the figure: 1-foundation; 2-a fuselage mount; 3-fuselage; 4-a master cylinder; 5-a return cylinder; 6-an upper working plate; 7-a lower working plate; 8-a liquid filling box; 9-a safety latch device; 10-a hydraulic station; 11-an electric control cabinet; 12-moving the console; 13-a heating device; 14-cooling equipment; 15-a vacuum pump station; 16-a mould moving arm; 17-a hydraulic mould lifter; 18-a die upper base plate; 19-a mold side sealing plate; 20-a lower die bottom plate; 21-a die pad; 22-a mold forming cavity; 23-a die spring; 24-mold ejector pins; 25-a die ejector pin gland; 26-a booster cylinder; 29-a first heating layer circulation tube; 30-a first cooling layer circulation tube; 31-a second heating layer circulation tube; 32-a second cooling layer circulation tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment 1, referring to fig. 1-3, a molding control system of a wire winding hydraulic machine includes a foundation 1, a wire winding hydraulic machine installed on the foundation 1, a temperature adjusting device and a hydraulic station 10 respectively located at left and right sides of the wire winding hydraulic machine, an electric control cabinet 11 and a vacuum pump station 15 respectively located at front and rear of the hydraulic station 10, wherein the vacuum pump station 15 is used for pumping redundant air between a mold and a product so as to keep a vacuum state between the mold and the product, in the process of vacuumizing, the vacuum degree needs to reach between about-10 kpa to-100 kpa, a movable operation table 12 is arranged at the front side of the electric control cabinet 11 for operating the whole operation flow of the hydraulic machine, the operation flow comprises a main cylinder 4 and a return cylinder 5, a booster cylinder 26, an upper working plate 6 and a lower working plate 7, the wire winding hydraulic machine includes a machine body 3 and a machine body mounting seat 2, the machine body mounting seat 1 is mounted on the foundation 1, and the machine body 3 is mounted on the machine body mounting seat 2, wherein the machine body 3 is connected with the machine body mounting seat 2 through bolts; the upper beam of the machine body 3 is fixedly provided with a main cylinder 4 and a plurality of return cylinders 5 on the lower end surface, in the embodiment, 4 return cylinders 5 are symmetrically distributed on the periphery of the main cylinder 4 respectively, the return cylinders 5 are used for pressing return of the main cylinder 5 after product forming, the right side of the back of the machine body 3 is provided with a pressurizing cylinder 26, the pressurizing cylinder 26 is used for pressurizing the main cylinder 4 in product forming in the embodiment, the upper part of the right side of the machine body 3 is provided with a liquid charging box 8 for filling oil into the main cylinder 5, and the left rear side and the right front side of the machine body 3 are respectively provided with a safety plug device 9 for forming safety protection so as to prevent the main cylinder 4 from falling down; an electric control system is built in the electric control cabinet 11 and is electrically connected with the mobile operation table 12 in the embodiment; the hydraulic station 10 is provided with a hydraulic control system, in the embodiment, the hydraulic control system is a servo motor pump control system, the hydraulic control system is connected with a main cylinder 4, a return cylinder 5 and a pressurizing cylinder 26 through hydraulic pipelines, the whole steel wire winding hydraulic machine is of a frame structure, high-strength steel wires are wound on the periphery of the frame structure and pre-tightened, and the temperature adjusting equipment comprises a heating equipment 13 and a cooling equipment 14; an upper working plate 6 and a lower working plate 7 are arranged at the bottom of the main cylinder 4, a certain distance is reserved between the upper working plate 6 and the lower working plate 7, and the top of the return cylinder 5 is connected with the upper beam through a bolt; the bottom of the return cylinder 5 is connected with the upper working plate 6; the lower working plate 7 is positioned on the upper end face of the lower beam of the machine body 3.
In embodiment 2, referring to fig. 2 and 4, a mold bottom plate is disposed between the upper working plate 6 and the lower working plate 7, the mold bottom plate includes a mold upper bottom plate 18 and a mold lower bottom plate 20, and a first heating layer circulation pipe 29 and a first cooling layer circulation pipe 30 are disposed inside the mold upper bottom plate 18; a second heating layer circulation pipe 31 and a second cooling layer circulation pipe 32 are provided inside the mold lower plate 20.
Embodiment 3 on the basis of the above embodiment, please continue to refer to fig. 4, wherein the first cooling layer circulation pipe 30 is disposed above the first heating layer circulation pipe 29, the second cooling layer circulation pipe 32 is disposed below the second heating layer circulation pipe 31, and mold side sealing plates 19 of the same structure and size are disposed on both sides of the mold upper and lower base plates 18 and 20 for sealing the first heating layer circulation pipe 29, the first cooling layer circulation pipe 30, the second cooling layer circulation pipe 32 and the second heating layer circulation pipe 31, respectively; a die pad 21 and a die forming cavity 22 are provided on the die lower base plate 20, in this embodiment, referring to fig. 5, the die forming cavity 22 has a size of 1300mmx700mm, which is respectively expressed as a length x and a width, and a die knock pin gland 25, a die knock pin 24 and a die spring 23 are provided at the bottom of the die pad 21 in sequence; the die jacking pin gland 25 is fixed with the bottom of the die backing plate 21 through bolts, and the die jacking pin 24 is fixed on the lower end face of the die jacking pin gland 25 through bolts; the die spring 23 is closely contacted with the lower end part of the die ejector pin 24; the mold forming cavity 22 is sleeved above the mold backing plate 21.
Embodiment 4, continue on the basis of embodiment 2 above, set up the longitudinal groove body structure of symmetry setting on the face of lower working plate 7, the length of longitudinal groove body structure with the width of lower working plate 7 is the same, is provided with hydraulic pressure in the groove body structure and lifts the mould ware 17 and be used for lifting the mould, when the product press forming is accomplished on the mould, need the drawing of patterns, carries out the pressurization to hydraulic pressure to lift the mould ware 17 and makes it go up and down when drawing of patterns are used, is used for jack-up mould, makes things convenient for the adjustment position of mould and shifts out the drawing of patterns, is provided with the movable mould arm 16 at the rear side of lower working plate 7 fixedly, movable mould arm 16 is fixed with the terminal of longitudinal groove body structure.
Embodiment 5, continuing with the above embodiment 2, wherein a first cold flow source inlet and a first cold flow source outlet are respectively provided at both ends of the first cooling layer circulation pipe 30, the cold flow source comprises cooling water or a low temperature coolant, and a second cold flow source inlet and a second cold flow source outlet are respectively provided at both ends of the second cooling layer circulation pipe 32; a first heat flow source inlet and a first heat flow source outlet are respectively arranged at two ends of the first heating layer circulating pipe 29; a second heat source inlet and a second heat source outlet are respectively arranged at two ends of the second heating layer circulating pipe 31; the first cold source inlet and the first cold source outlet are respectively connected with the first cold source outlet and the first cold source inlet of the cooling equipment 14; the second cold source inlet and the second cold source outlet are respectively connected with the second cold source outlet and the second cold source inlet of the cooling device 14.
Embodiment 6, continuing with embodiment 5 above, wherein the first heat source inlet and the first heat source outlet are respectively connected to the first heat source outlet and the first heat source inlet of the heating device 13; the second heat source inlet and the second heat source outlet are connected with a second heat source outlet and a second heat source inlet of the heating device 13, respectively.
Embodiment 7, a molding control method of a molding control system of a wire winding hydraulic machine, including any one of the molding control systems of the wire winding hydraulic machine, includes the following steps:
s1, heating a die to a required temperature;
s2, placing the product on a heated mold;
S3, die assembly and pressing;
S4, opening the die to cool the product, and taking out the product.
Embodiment 8, on the basis of embodiment 7, in S1, the heating device 13 is used to heat the upper die bottom plate 18, the lower die bottom plate 20 and the die pad 21 to 280-350 ℃, and in the heating process, the method steps mainly further include, referring to fig. 6, connecting the first heat source outlet of the heating device 13 to the first heat source inlet of the first heating layer circulation tube of the upper die bottom plate, and then connecting the first heat source outlet to the first heat source inlet of the heating device 13; and secondly, the second heat source outlet of the heating device 13 is connected with a second heat source inlet in a second heating layer circulating pipe in the lower bottom plate of the die, and then the second heat source outlet is connected with the second heat source inlet, so that the first heat source outlet, the second heat source outlet and the second heat source inlet in the heating device 13 can circularly heat the upper bottom plate 18 of the die and the lower bottom plate 20 of the die to the required temperature in the system through the first heat source inlet, the first heat source outlet and the second heat source inlet in the upper bottom plate 18 of the die and the lower bottom plate 20 of the die.
Example 9, on the basis of the above-mentioned example, the step S2 above involves placing the product in a mold cavity 22, which in this example has the dimensions: 1300mmx700mm, which are respectively expressed as the length, the width and the size, and then vacuuming through a vacuum pump station 15 to ensure that no air exists between the contact of the die and the product; on the basis of the above embodiment, S3 further includes: s31, providing power for the main cylinder 4 and the return cylinder 5 through the hydraulic station 10; s32, the main cylinder 4 and the return cylinder 5 are driven to move downwards, and the upper working plate 6 is driven to move downwards; s33, when the upper bottom plate 18 of the die is completely contacted with the die forming cavity 22, forming a die assembly; and S34, the booster cylinder 26 is interposed at the moment to start to pressurize the master cylinder 4 through continuous reciprocating motion, so that the master cylinder 4 is promoted to descend, and a strong pressing force is generated, and the return cylinder 5 does not participate in pressing at the moment and passively descends along with the master cylinder 4.
Embodiment 10, on the basis of the above embodiment, when the vacuum pump station 15 is vacuumized, the vacuum degree value reaches-10 kpa to-100 kpa; s4 comprises S41, wherein after the pressing is finished, the master cylinder 4 is depressurized; s42, the return cylinder 5 makes the master cylinder 4 return to perform the functions of die opening and master cylinder 5 return, when the die is opened, under the control of the system, the hydraulic die lifter is pressurized, the hydraulic die lifter is lifted and then jacks up the die to realize die opening, after the die opening, the pressed product is required to be cooled, in this embodiment, please refer to fig. 6, the process of cooling the product is as follows: the first cold source outlet of the cooling device 14 is connected with the first cold source inlet of the first cooling layer circulating pipe 30 in the upper bottom plate of the die, and then the first cold source outlet of the first cooling layer circulating pipe 30 is connected with the first cold source inlet of the cooling device 14; and then the second cold source outlet of the cooling device 14 is connected to the second cold source inlet of the second cooling layer circulating pipe in the lower bottom plate of the die, and then the second cold source outlet is connected to the second cold source inlet, so that the first cold source outlet, the first cold source inlet, the second cold source outlet and the second cold source inlet in the cooling device 14 can form the temperature required for circulating cooling to the upper bottom plate 18 of the die and the lower bottom plate 20 of the die through the first cold source inlet, the first cold source outlet and the second cold source inlet in the upper bottom plate 18 of the die and the lower bottom plate 20 of the die, and in the embodiment, after the master cylinder 4 returns to the right position, the S43 and the safety pin device 9 are ejected out to form safety protection so as to prevent the master cylinder 4 from falling down. And finally, manually and intermediately taking out the pressed finished product, and putting in a new product.
Example 11 based on the above examples, the velocity at the time of descending of the master cylinder 4 and the return cylinder 5 was 25mm-35mm/s; in this embodiment, the rate of mold closing is: 0.45mm/s-3.5mm/s; the return speed of the main cylinder 4 is 0mm/s-35mm/s, in the embodiment, the machine body 3 of the steel wire winding hydraulic machine is integrally forged by adopting a 40Cr material, the stress is eliminated after forging, the liquid charging box and the main machine are separately designed, and the hydraulic system is arranged above the oil tank; in the embodiment, the bottom of the oil cylinder is a 42CrMo forging, and the cylinder barrel is 30CrNiMoA.
The invention provides a molding control system and a molding control method of a steel wire winding hydraulic machine, which achieve the functions of heating, cooling and the like in the product molding process by using a die, and the machine body adopts a steel wire winding frame structure, is stable, evenly stressed and stable in pressing, and can generate higher compression resistance in the production process, is not easy to deform, greatly prolongs the service life of equipment, has higher rigidity and stability, and ensures that the machine body cannot deform or vibrate in the pressure applying process.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The molding control system of the steel wire winding hydraulic machine comprises a foundation (1), a steel wire winding hydraulic machine arranged on the foundation (1), a hydraulic station (10) of temperature regulating equipment and hydraulic stations respectively positioned at the left side and the right side of the steel wire winding hydraulic machine, an electric control cabinet (11) and a vacuum pump station (15) respectively positioned at the front side and the rear side of the hydraulic station (10), wherein a movable operation table (12) is arranged at the front side of the electric control cabinet (11), the steel wire winding hydraulic machine comprises a machine body (3) and a machine body mounting seat (2), and the machine body (3) is connected with the machine body mounting seat (2) through bolts; the machine body mounting seat (2) is fixed on a foundation (1), a main cylinder (4) and a plurality of return cylinders (5) are fixed on the lower end face of an upper beam of the machine body (3), the return cylinders (5) are symmetrically distributed on the periphery of the main cylinder (4), a pressurizing cylinder (26) is arranged on the right side of the back of the machine body (3), a liquid filling box (8) is arranged on the upper right side of the machine body (3), and safety plug pin devices (9) are respectively arranged on the left rear side and the right front side of the machine body (3); an electrical control system is arranged in the electric control cabinet (11) and is electrically connected with the mobile operation table (12); the hydraulic station (10) is internally provided with a hydraulic control system, the hydraulic control system is connected with a main cylinder (4), a return cylinder (5) and a booster cylinder (26) through hydraulic pipelines, the whole of the steel wire winding hydraulic press is of a frame structure, and high-strength steel wires are wound and pre-tightened on the periphery of the frame structure, and the hydraulic station is characterized in that: the temperature regulating device comprises a heating device (13) and a cooling device (14); an upper working plate (6) and a lower working plate (7) are arranged at the bottom of the main cylinder (4), a certain distance is reserved between the upper working plate (6) and the lower working plate (7), and the top of the return cylinder (5) is connected with the upper beam through a bolt; the bottom of the return cylinder (5) is connected with the upper working plate (6); the lower working plate (7) is positioned on the upper end face of the lower beam of the machine body (3);
A die bottom plate is arranged between the upper working plate (6) and the lower working plate (7), the die bottom plate comprises a die upper bottom plate (18) and a die lower bottom plate (20), and a first heating layer circulating pipe (29) and a first cooling layer circulating pipe (30) are arranged in the die upper bottom plate (18); a second heating layer circulating pipe (31) and a second cooling layer circulating pipe (32) are arranged in the lower die bottom plate (20);
The first cooling layer circulating pipe (30) is arranged above the first heating layer circulating pipe (29), and the second cooling layer circulating pipe (32) is arranged below the second heating layer circulating pipe (31).
2. The forming control system of a wire-wound hydraulic machine of claim 1, wherein: the two sides of the upper die bottom plate (18) and the lower die bottom plate (20) are respectively provided with a die side sealing plate (19) with the same structure and size for sealing the first heating layer circulating pipe (29), the first cooling layer circulating pipe (30), the second cooling layer circulating pipe (32) and the second heating layer circulating pipe (31); a die backing plate (21) and a die forming cavity (22) are arranged on the die lower bottom plate (20), and a die jacking pin gland (25), a die jacking pin (24) and a die spring (23) are sequentially arranged at the bottom of the die backing plate (21); the die jacking pin gland (25) is fixed with the bottom of the die backing plate (21) through bolts, and the die jacking pin (24) is fixed on the lower end face of the die jacking pin gland (25) through bolts; the die spring (23) is closely contacted with the lower end part of the die ejector pin (24); the die forming cavity (22) is sleeved above the die backing plate (21).
3. The forming control system of a wire-wound hydraulic machine of claim 1, wherein: the plate surface of the lower working plate (7) is provided with a longitudinal groove body structure which is symmetrically arranged, the length of the longitudinal groove body structure is the same as the width of the lower working plate (7), a hydraulic mould lifting device (17) is arranged in the groove body structure and used for lifting a mould, a mould moving arm (16) is fixedly arranged at the rear side of the lower working plate (7), and the mould moving arm (16) is fixed with the tail end of the longitudinal groove body structure.
4. The forming control system of a wire-wound hydraulic machine of claim 2, wherein: a first cold flow source inlet and a first cold flow source outlet are respectively arranged at two ends of the first cooling layer circulating pipe (30), and a second cold flow source inlet and a second cold flow source outlet are respectively arranged at two ends of the second cooling layer circulating pipe (32); a first heat flow source inlet and a first heat flow source outlet are respectively arranged at two ends of the first heating layer circulating pipe (29); a second heat flow source inlet and a second heat flow source outlet are respectively arranged at two ends of the second heating layer circulating pipe (31); the first cold source inlet and the first cold source outlet are respectively connected with a first cold source outlet and a first cold source inlet of cooling equipment (14); the second cold source inlet and the second cold source outlet are respectively connected with a second cold source outlet and a second cold source inlet of the cooling equipment (14).
5. The forming control system of a wire-wound hydraulic machine of claim 4, wherein: the first heat source inlet and the first heat source outlet are respectively connected with a first heat source outlet and a first heat source inlet of the heating equipment (13); the second heat source inlet and the second heat source outlet are respectively connected with a second heat source outlet and a second heat source inlet of the heating equipment (13).
6. A method for controlling the shaping of a shaping control system of a wire-wound hydraulic machine, comprising a shaping control system of a wire-wound hydraulic machine as claimed in any one of the preceding claims 1 to 5, characterized by comprising the steps of:
s1, heating a die to a required temperature;
s2, placing the product on a heated mold;
S3, die assembly and pressing;
S4, opening the die to cool the product, and taking out the product.
7. The molding control method of a molding control system of a wire-wound hydraulic machine according to claim 6, wherein: the step S1 comprises the steps of heating the upper die bottom plate (18), the lower die bottom plate (20) and the die backing plate (21) to 280-350 ℃ by using heating equipment (13).
8. The molding control method of a molding control system of a wire-wound hydraulic machine according to claim 6, wherein: the step S2 is that the product is placed in a die forming cavity and vacuumized through a vacuum pump station (15); the S3 comprises the following steps: s31, providing power for a main cylinder (4) and a return cylinder (5) through a hydraulic station (10); s32, the main cylinder (4) and the return cylinder (5) are driven to descend, and the upper working plate (6) is driven to descend; s33, when the upper bottom plate (18) of the die is completely contacted with the die forming cavity (22), die assembly is formed; s34, the pressurizing cylinder (26) is interposed at the moment to start pressurizing the main cylinder (4) through continuous reciprocating motion, so that the main cylinder (4) is driven to descend, and a strong pressing force is generated, and the return cylinder (5) does not participate in pressing at the moment and passively descends along with the main cylinder (4).
9. The molding control method of a molding control system of a wire-wound hydraulic machine according to claim 8, wherein: the vacuum degree of the vacuumizing is-10 kpa to-100 kpa; the step S4 includes the step S41: after the pressing is finished, the main cylinder (4) is depressurized; s42, a return cylinder (5) returns the main cylinder (4); after the main cylinder returns to the proper position, S43, the safety latch device (9) is ejected; s44, taking out the pressed finished product, and putting in a new product.
10. The molding control method of a molding control system of a wire-wound hydraulic machine according to claim 9, wherein: the speed of the main cylinder (4) and the return cylinder (5) in descending is 25mm-35mm/s, and the speed of the die assembly is as follows: 0.45mm/s-3.5mm/s; the return speed of the main cylinder (4) is 0mm/s-35mm/s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410228593.0A CN117922079A (en) | 2024-02-29 | 2024-02-29 | Forming control system and forming control method of steel wire winding hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410228593.0A CN117922079A (en) | 2024-02-29 | 2024-02-29 | Forming control system and forming control method of steel wire winding hydraulic machine |
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