CN110935780B - Internal high-pressure forming hydraulic machine - Google Patents
Internal high-pressure forming hydraulic machine Download PDFInfo
- Publication number
- CN110935780B CN110935780B CN201911290807.2A CN201911290807A CN110935780B CN 110935780 B CN110935780 B CN 110935780B CN 201911290807 A CN201911290807 A CN 201911290807A CN 110935780 B CN110935780 B CN 110935780B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- rod
- plate
- pressure
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/039—Means for controlling the clamping or opening of the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses an internal high-pressure forming hydraulic machine which comprises an upper die, a lower die, a self-tightening box and a pressurizing box, wherein a front guide rail and a rear guide rail are arranged on the upper side of a right connecting plate from front to back, the self-tightening box is arranged on the upper sides of the front guide rail and the rear guide rail, a first fixing plate is fixed on the rear side surface of the lower die through a first series of bolt groups, a front arm is welded on the outer side of the first fixing plate, the middle part of the front arm is in contact with a first limiting plate and can move up and down, a rack is arranged on the inner side of the front arm and is matched with a gear, a rear arm is welded on the outer side of a second fixing plate, the middle part of the rear arm is in contact with a second limiting plate and. The technical scheme disclosed by the invention effectively solves the technical problems of the prior art that the capability of processing pipelines with various types is high, the pressure of injected high-pressure liquid is difficult to adjust and the like, and is beneficial to popularization and application of the device.
Description
Technical Field
The invention relates to the field of high-pressure forming, in particular to an internal high-pressure forming hydraulic machine.
Background
With the development of the automobile, aerospace and aviation industries, in order to reduce the production cost of parts and improve the quality of the parts, the internal high pressure molding technology is widely applied, and especially in the production of automobiles, electric vehicles and bicycles, such as in the production process of pipe fittings such as frames, the internal high pressure molding technology plays an irreplaceable role. The key equipment for internal high-pressure forming is a die-closing press, because the high-pressure source generates hundreds of megapascals internal pressure in the part, enough die-closing force is needed between the upper die and the lower die to offset the reverse driving force generated to the die in the part internal high-pressure forming process, so that the upper die, the lower die and the die are ensured not to generate displacement in the forming process, and the quality of the part is ensured. At present, the hydraulic press of thousands of tons of pressures is generally adopted to carry out the compound die to in the compound die process, will remain huge thrust state all the time, this not only needs huge investment can purchase equipment, still causes the huge waste in the cost simultaneously.
However, the existing internal high-pressure forming hydraulic machine has no capability of processing various types of materials and is difficult to adjust the pressure of injected high-pressure liquid. In view of the above, a novel internal high pressure forming hydraulic machine is provided by researching and improving the existing structure and defects.
Disclosure of Invention
The invention aims to provide an internal high-pressure forming hydraulic machine, which solves the technical problems that the prior art does not have the capability of processing pipelines with various types and is difficult to adjust the pressure of injected high-pressure liquid, and the like.
In order to achieve the purpose, the invention provides an internal high-pressure forming hydraulic machine, which comprises an upper die, a lower die, a self-tightening box and a pressurizing box, wherein the bottom of the lower die is connected with a right connecting plate through an eighth series bolt group, the upper side of the right connecting plate is provided with a front guide rail and a rear guide rail from front to back, the upper sides of the front guide rail and the rear guide rail are provided with the self-tightening box, the self-tightening box can move along the front guide rail and the rear guide rail, the bottom of the lower die is connected with a left connecting plate through a tenth series bolt group, the rear side surface of the lower die is fixedly provided with a first fixing plate through a first series bolt group, the outer side of the first fixing plate is welded with a front arm, the middle part of the front arm is in contact with a first limiting plate and can move up and down, the inner side of the front arm is provided with a rack, and the rack is matched with a gear, go up the mould rear side surface be fixed with the second fixed plate through sixth series bolt group, the outside welding of second fixed plate have the postbrachium, the middle part and the second limiting plate contact of postbrachium and can carry out upper and lower displacement motion, the right side surface of last mould be provided with the control box.
A third bottom plate is fixed on the top surface of the upper die through a fifth series of bolt groups, a motor bottom plate is fixed on the top surface of the third bottom plate through welding, the end surface of the motor bottom plate is provided with a motor, the power output end of the motor is provided with a rotating shaft, the rotating shaft is connected with a first shaft at the input end of the speed reducer through a coupling, a second shaft is arranged at the output end of the speed reducer, the end part of the second shaft is welded with the first transmission disc, the first transmission disc and the second transmission disc are connected and transmitted through a transmission belt, a first transmission shaft is welded at the end part of the second transmission disc, a gear is arranged in the middle of the first transmission shaft, the left end of the first transmission shaft is connected with a support plate, a first bottom plate is fixed to the bottom of the support plate through welding, and the first bottom plate is fixed to the top surface of the upper die through a third series of bolt groups. The inner part of the upper die is provided with a first pipeline, a second pipeline, a third pipeline and a matching plate, the inner diameters of the middle pipe sections of the first pipeline, the second pipeline and the third pipeline are respectively fifty millimeters, one hundred millimeters and one hundred fifty millimeters, the first pipeline, the second pipeline and the third pipeline are respectively used for processing small-size pipelines, medium-size pipelines and large-size pipelines, the outer diameters of the small-size pipelines, the medium-size pipelines and the large-size pipelines are respectively fifty millimeters, one hundred millimeters and one hundred fifty millimeters, the left end surfaces of the first pipeline and the third pipeline are in contact with the right side of the matching plate, the left end surface of the second pipeline is in contact with the left inner surface of the upper die, the upper side of the second pipeline is connected with an upper spring cylinder through an upper pull rod, the upper side of the upper spring cylinder is fixed with the inner upper surface of the upper die, the downside of second pipeline be connected with down the spring case through the lower pull rod, the downside of lower spring case and the inside lower fixed surface of last mould, the right side of first pipeline, third pipeline contact with the inclined plane of first briquetting, second briquetting respectively, the right side of first briquetting, second briquetting contact with the left side of first bolt, second bolt respectively, the right side wall threaded connection of first bolt, second bolt and control box. The inside of bed die be provided with left down tube, indulge recess and right down tube, the top of left down tube, right down tube slide post, right sliding column fixed connection with left side respectively, left side slide post, right sliding column respectively with left recess, right recess cooperation, the lower surface contact of top and shaping area of left side slide post, right sliding column, the bottom of left down tube, right down tube contact with left column spinner, right column spinner respectively, left column spinner, right column spinner fix on horizontal push rod, horizontal push rod can carry out displacement motion from top to bottom along indulging the recess.
The inside of self-tightening case be provided with actor, motion controller and response case, the tip of actor be provided with right chock, the left side tip of response case be provided with the response pole, the right side tip of response pole have a circle film through welded fastening, the right side tip and piezo-resistor and the cone contact of circle film, cone below pass through welded fastening with the carriage release lever and be connected, the bottom of carriage release lever be provided with the friction disc, the below of cone and the top contact of transmission post, the bottom of transmission post be provided with the elastic block, inside switch, the fixed resistance of being provided with of response case, motion controller and piezo-resistor pass through the parallelly connected back of wire and establish ties with fixed resistance, fixed resistance pass through the wire and establish ties with motion controller, switch.
The top surface of the left connecting plate is fixedly connected with an electric cylinder fixing bottom plate through a ninth series bolt group, the top of the electric cylinder fixing bottom plate is fixed with the bottom of an electric cylinder film, the side surface of the electric cylinder film is fixed with a first electric cylinder, the power output end of the first electric cylinder is provided with a stretching rod, the right end of the stretching rod is fixed with a pressurizing box, a second electric cylinder, an electric cylinder controller and a liquid storage box are arranged in the pressurizing box, the output end of the second electric cylinder is provided with a pressurizing rod, the upper side in the pressurizing box is provided with a sliding strip, the sliding strip is in contact fit with the first transmission rod, the first transmission rod can perform displacement motion along the length direction of the sliding strip, the middle part of the first transmission rod is provided with a square groove, the square groove is matched with the first cylinder, the first cylinder is fixedly connected with the second transmission rod through welding, the second transfer line can realize upper and lower displacement motion through the cooperation of first cylinder and square groove, the downside of second transfer line have the pressure arm through welded fastening, the left side of liquid reserve tank from last to having set gradually first compression leg, second compression leg, third compression leg, fourth compression leg down, the bottom side of liquid reserve tank be provided with pressure sensor, pressure sensor pass through wire and electronic jar controller electric connection, electronic jar controller and the electronic jar of second pass through wire electric connection, the right side of liquid reserve tank be provided with first through-hole, the right side of pressurization case be provided with left chock, the center of left chock be provided with the second through-hole, the axial lead coincidence of second through-hole and first through-hole.
The actuator, the piezoresistor, the first electric cylinder, the second electric cylinder and the like are all assembled by the existing equipment, and therefore specific models and specifications are not described in detail.
The invention has the following beneficial effects:
1. the components of the internal high-pressure forming hydraulic machine are reliably connected, the detection and maintenance are very convenient, the realization cost is low, and the actuator, the piezoresistor, the first electric cylinder, the second electric cylinder and the like which are involved in the equipment are all assembled by the existing equipment, so that the popularization and the application of the internal high-pressure forming hydraulic machine in the future high-pressure forming field are facilitated;
2. the provided internal high-pressure forming hydraulic machine overcomes the problem that the traditional technology does not have the capability of processing various types of materials, innovatively designs a novel upper die and a novel lower die, and realizes the clamping function of the upper die and the lower die through the coupling action of a single power source motor and a gear and a rack, concretely, a first fixing plate is fixed on the rear side surface of the lower die, a front arm is welded on the outer side of the first fixing plate, the middle part of the front arm is contacted with a first limiting plate and can move up and down in a displacement mode, the rack is arranged on the inner side of the front arm and is matched with the gear, when the motor works, power is transmitted to a first transmission shaft through a speed reducer, a first transmission disc, a transmission belt and a second transmission disc, further, the gear rotates, the gear is meshed with the rack arranged on the inner side of the front arm to further drive the front arm to move upwards, and the, and further can drive the lower die to move upwards, so as to realize the buckling between the upper die and the lower die, on the other hand, a first pipeline, a second pipeline, a third pipeline and a matching plate are arranged in the upper die, the inner diameters of the middle pipe sections of the first pipeline, the second pipeline and the third pipeline are respectively fifty millimeters, one hundred millimeters and fifty millimeters, the upper side of the second pipeline is connected with an upper spring cylinder through an upper pull rod, the upper side of the upper spring cylinder is fixed with the upper surface of the inner part of the upper die, the lower side of the second pipeline is connected with a lower spring cylinder through a lower pull rod, the lower side of the lower spring cylinder is fixed with the lower surface of the inner part of the upper die, the right sides of the first pipeline and the third pipeline are respectively contacted with inclined planes of a first pressing block and a second pressing block, the right sides of the first pressing block and the second pressing block are respectively contacted with the left sides of a first bolt and a second bolt, the first bolt and the second, the first pipeline, the second pipeline and the third pipeline are respectively used for processing a small-size pipeline, a medium-size pipeline and a large-size pipeline, the outer diameters of the small-size pipeline, the medium-size pipeline and the large-size pipeline are respectively fifty millimeters, one hundred millimeters and fifty millimeters, when the small-size pipeline is not operated, the second pipeline is centered as an applied mold for processing the medium-size pipeline due to the balance of the tensile forces of the upper spring cylinder and the lower spring cylinder, when the first pipeline mold is needed to be used for processing the small-size pipeline, the first pipeline can be moved towards the middle by pressing the first pressing block through rotating the first bolt, when the first bolt is screwed to the limit, the first pipeline is just positioned in the middle of the upper mold and can be used as the applied mold, and similarly, when the third pipeline is used as the applied mold for processing the large-size pipeline, only the second bolt needs to be screwed, a left diagonal rod, a longitudinal groove and a right diagonal rod are arranged inside the lower die, the tops of the left diagonal rod and the right diagonal rod are respectively fixedly connected with a left sliding column and a right sliding column, the left sliding column and the right sliding column are respectively matched with the left groove and the right groove, the tops of the left sliding column and the right sliding column are contacted with the lower surface of the forming belt, the bottoms of the left diagonal rod and the right diagonal rod are respectively contacted with a left rotating column and a right rotating column, the left rotating column and the right rotating column are fixed on a transverse push rod, the transverse push rod can move up and down along the longitudinal groove, an operator can control the axial center distance of the left sliding column and the right sliding column by pushing the up and down position of the transverse push rod, further changing the size of the formed semicircle of the forming belt to realize the matching of small-size pipelines, medium-size pipelines and large-size pipelines, and then can realize the ability of processing multiple model material through last mould and lower mould.
3. The inner high-pressure forming hydraulic machine is innovatively provided with a self-tightening box, the problem of small clamping force of a chock at the end part in the traditional device is solved, the self-tightening function of a right chock can be realized through the self-tightening box, specifically, an actuator, an action controller and a sensing box are arranged in the self-tightening box, the end part of the actuator is provided with the right chock, the left end part of the sensing box is provided with a sensing rod, the right end part of the sensing rod is fixedly provided with a round bottom plate by welding, the right end part of the round bottom plate is contacted with a piezoresistor and a cone, the lower part of the cone is fixedly connected with a moving rod by welding, the bottom of the moving rod is provided with a friction plate, the lower part of the cone is contacted with the top of a transfer column, the bottom of the transfer column is provided with an elastic block, a switch and a fixed resistor are arranged in the sensing box, the action controller and the piezoresistor are connected, the fixed resistor is connected in series with the action controller and the switch through a lead, and then in the processing process, the self-tightening box is firstly pushed to do displacement motion towards the left side along the front guide rail and the rear guide rail, when the induction rod is contacted with the right side surface of the lower die, the pressure is generated on the piezoresistor and the cone through the round bottom sheet, the cone moves downwards, and then the moving rod is pushed, and the moving rod is contacted with the upper side surface of the right connecting plate through the friction sheet at the bottom to realize friction fixation, on the other hand, the resistance value of the piezoresistor is increased due to the self characteristic of the piezoresistor, and then the voltage distributed by the piezoresistor at two ends in the circuit is more, and then the action controller can obtain more voltage, and then the action controller is controlled to push the right chock to be made into larger displacement, so that the right chock can generate larger clamping force in the die, and further increase the pressure borne by the induction rod, the voltage distributed by the piezoresistor at the two ends of the circuit and the friction force between the friction plate and the right connecting plate are further increased, so that the self-tightening function is generated, and the problem of small clamping force of a chock at the end part in the conventional device is solved;
4. the inner high-pressure forming hydraulic machine solves the problem that the pressure of injected liquid is difficult to change flexibly in the traditional technology, realizes flexible adjustment of the pressure of the injected high-pressure liquid through the pressurizing box, is provided with an alarm function, particularly, the pressurizing box 77 can provide pressure from one level to four levels, the upper side inside the pressurizing box is provided with a sliding strip, the sliding strip is in contact fit with the first transmission rod, the first transmission rod can do displacement motion along the length direction of the sliding strip, the middle part of the first transmission rod is provided with a square groove, the square groove is matched with the first cylinder, the first cylinder is fixedly connected with the second transmission rod through welding, the second transmission rod can realize up-and-down displacement motion through the matching of the first cylinder and the square groove, and the lower side of the second transmission rod is fixedly provided with a pressing arm through welding, the left side of liquid reserve tank from last to having set gradually first compression leg, second compression leg, third compression leg, fourth compression leg down, the bottom side of liquid reserve tank be provided with pressure sensor, pressure sensor pass through wire and electric cylinder controller electric connection, electric cylinder controller pass through wire electric connection with the electronic jar of second, the right side of liquid reserve tank be provided with first through-hole, the right side of pressure case be provided with left chock, the center of left chock be provided with the second through-hole, the axial lead coincidence of second through-hole and first through-hole, when needing to pour into high-pressure liquid into, first electric cylinder work promotes pressure case, left chock motion, the electronic jar work of second promotes pressure bar oppression pressure arm, operating personnel can adjust the position of first cylinder in the square groove and then change the upper and lower position of pressure arm, and then change first compression leg, The number of the compression in the second compression leg, the third compression leg and the fourth compression leg changes the number of the compression legs pressed into the liquid storage tank, thereby realizing the flexible adjustment of the pressure of the output high-pressure liquid, concretely, when the pressure tank is required to provide a first-level pressure, only the first compression leg is contacted with the pressure arm and pressed into the liquid storage tank, when the pressure tank is required to provide a second-level pressure, only the first compression leg and the second compression leg are contacted with the pressure arm 91 and pressed into the liquid storage tank, when the pressure tank is required to provide a third-level pressure, only the first compression leg, the second compression leg and the third compression leg are contacted with the pressure arm and pressed into the liquid storage tank, when the pressure tank is required to provide a fourth-level pressure, the first compression leg, the second compression leg, the third compression leg and the fourth compression leg are contacted with the pressure arm and pressed into the liquid storage tank, in addition, the pressure sensor constantly senses the pressure of the liquid in the liquid storage tank, when the pressure is too high, the signal can be sent to the electric cylinder controller, the electric cylinder controller controls the second electric cylinder to stop operating to contact the pressure.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Drawings
FIG. 1 is a schematic diagram of an axial side projection structure of the overall structure of the device of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic bottom view of the upper mold according to the present invention.
Fig. 4 is a schematic internal top view of the upper mold according to the present invention.
Fig. 5 is a schematic view of an interior front view structure of the lower mold according to the present invention.
Fig. 6 is a rear view of the overall structure of the device of the present invention.
Fig. 7 is a schematic view of the interior of the self-tightening box according to the present invention.
Fig. 8 is a schematic view of the interior of the self-tightening box according to the present invention.
Fig. 9 is a schematic diagram of the internal circuit connections of the self-tightening box according to the present invention.
FIG. 10 is a schematic top view of the overall structure of the device of the present invention.
Fig. 11 is a schematic top view of the inside of the pressure tank according to the present invention.
Fig. 12 is a schematic illustration of the processing of a medium sized pipe according to the present invention.
Fig. 13 is a schematic view of the small size pipe according to the present invention.
Fig. 14 is a schematic view of the processing of a large-sized pipe according to the present invention.
Fig. 15 is a schematic diagram of the primary pressure provided by the pressurized tank of the present invention.
Fig. 16 is a schematic diagram of the pressurized tank of the present invention providing a secondary pressure.
Fig. 17 is a schematic diagram of the pressurized tank of the present invention providing three levels of pressure.
Fig. 18 is a schematic diagram of the four stage pressure provided by the pressurized tank of the present invention.
1. An upper die, 2, a lower die, 3, a first series of bolt sets, 4, a first fixing plate, 5, a second series of bolt sets, 6, a first limiting plate, 7, a front arm, 8, a motor base plate, 9, a motor, 10, a speed reducer, 11, a rear arm, 12, a third series of bolt sets, 13, a first base plate, 14, a supporting plate, 15, a gear, 16, a first transmission shaft, 17, a second transmission plate, 18, a transmission belt, 19, a first transmission plate, 20, a fourth series of bolt sets, 21, a second base plate, 22, a speed reducer fixing plate, 23, a second shaft, 24, a first shaft, 25, a coupling, 26, a rotating shaft, 27, a rack, 28, a fifth series of bolt sets, 29, a third base plate, 30, a second limiting plate, 31, a sixth series of bolt sets, 32, a second fixing plate, 33, a seventh series of bolt sets, 34, a control box, 35, a first pipeline, 36. second pipe 37, third pipe 38, upper spring case 39, upper pull rod 40, lower pull rod 41, lower spring case 42, first press block 43, first bolt 44, second press block 45, second bolt 46, matching plate 47, left groove 48, left sliding column 49, forming belt 50, right groove 51, left oblique rod 52, left rotating column 53, horizontal push rod 54, vertical groove 55, right rotating column 56, right oblique rod 57, right sliding column 58, right connecting plate 59, eighth series bolt set 60, rear guide rail 61, self tightening box 62, right plug block 63, actuator 64, motion controller 65, lead wire 66, induction rod 67, induction box 68, circular base plate 69, piezoresistor 70, cone 71, transmission column 72, elastic block 73, moving rod 74, friction plate 75, switch, 76. fixed resistor 77, pressure tank 78, ninth series bolt group 79, electric cylinder fixed bottom plate 80, electric cylinder bottom plate 81, first electric cylinder 82, extension rod 83, second electric cylinder 84, electric cylinder controller 85, sliding bar 86, first transmission rod 87, square groove 88, first cylinder 89, second transmission rod 90, pressure rod 91, pressure arm 92, liquid storage tank 93, first pressure column 94, second pressure column 95, third pressure column 96, fourth pressure column 97, pressure sensor 98, first through hole 99, left plug block 100, second through hole 101, left connecting plate 102, tenth series bolt group 103, front guide rail 104, small-sized pipeline 105, medium-sized pipeline 106, large-sized pipeline.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 11, the internal high pressure forming hydraulic machine provided by the invention comprises an upper die 1, a lower die 2, a self-tightening box 61 and a pressure box 77, wherein the bottom of the lower die 2 is connected with a right connecting plate 58 through an eighth series bolt group 59, the upper side of the right connecting plate 58 is provided with a front guide rail 103 and a rear guide rail 60 from front to rear, the upper sides of the front guide rail 103 and the rear guide rail 60 are provided with the self-tightening box 61, the self-tightening box 61 can move along the front guide rail 103 and the rear guide rail 60, the bottom of the lower die 2 is connected with a left connecting plate 101 through a tenth series bolt group 102, the rear side surface of the lower die 2 is fixed with a first fixing plate 4 through a first series bolt group 3, the outer side of the first fixing plate 4 is welded with a front arm 7, the middle part of the front arm 7 is in contact with a first limiting plate 6 and can move up and down, the inboard of forearm 7 be provided with rack 27, rack 27 and gear 15 cooperation, last mould 1 rear side surface be fixed with second fixed plate 32 through sixth series bolt group 31, the outside welding of second fixed plate 32 have trailing arm 11, the middle part of trailing arm 11 and the contact of second limiting plate 30 and can carry out the up-and-down displacement motion, the right side surface of last mould 1 be provided with control box 34.
Further, a third bottom plate 29 is fixed on the top surface of the upper die 1 through a fifth series of bolt sets 28, a motor bottom plate 8 is fixed on the top surface of the third bottom plate 29 through welding, an electric motor 9 is arranged on the end surface of the motor bottom plate 8, a rotating shaft 26 is arranged at the power output end of the electric motor 9, the rotating shaft 26 is connected with a first input shaft 24 of a speed reducer 10 through a coupling 25, a second output shaft 23 is arranged at the output end of the speed reducer 10, the end part of the second shaft 23 is welded with a first transmission disc 19, the first transmission disc 19 is connected with a second transmission disc 17 through a transmission belt 18 for transmission, a first transmission shaft 16 is welded at the end part of the second transmission disc 17, a gear 15 is arranged in the middle of the first transmission shaft 16, and the left end of the first transmission shaft 16 is connected with the support plate 14, the bottom of the supporting plate 14 is fixed with a first bottom plate 13 through welding, and the first bottom plate 13 is fixed on the top surface of the upper die 1 through a third series of bolt sets 12. And then when motor 9 during operation, power passes through reduction gear 10, first drive disc 19, drive belt 18, second drive disc 17 and transmits first transmission shaft 16, and then gear 15 rotates, and gear 15 meshes with the rack 27 that the inboard of forearm 7 set up, and then drives forearm 7 upward movement, and the bottom of forearm 7 and the welding in the first fixed plate 4 outside can drive bed die 2 upward movement, realizes going up the lock between mould 1, the bed die 2.
Further, a first pipeline 35, a second pipeline 36, a third pipeline 37 and a matching plate 46 are arranged inside the upper die 1, inner diameters of middle pipe sections of the first pipeline 35, the second pipeline 36 and the third pipeline 37 are fifty millimeters, one hundred millimeters and one hundred fifty millimeters respectively, left end surfaces of the first pipeline 35 and the third pipeline 37 are in contact with the right side of the matching plate 46, a left end surface of the second pipeline 36 is in contact with the left inner surface of the upper die 1, the upper side of the second pipeline 36 is connected with an upper spring cylinder 38 through an upper pull rod 39, the upper side of the upper spring cylinder 38 is fixed with the inner upper surface of the upper die 1, the lower side of the second pipeline 36 is connected with a lower spring cylinder 41 through a lower pull rod 40, the lower side of the lower spring cylinder 41 is fixed with the inner lower surface of the upper die 1, the first pipeline 35, The right side of the third pipeline 37 is respectively contacted with the inclined surfaces of the first pressing block 42 and the second pressing block 44, the right sides of the first pressing block 42 and the second pressing block 44 are respectively contacted with the left sides of the first bolt 43 and the second bolt 45, and the first bolt 43 and the second bolt 45 are in threaded connection with the right side wall of the control box 34.
Referring to fig. 12 to 14, the first, second and third pipes 35, 36 and 37 are respectively used for processing the small-sized, medium-sized and large-sized pipes 104, 105 and 106, and the outer diameters of the small-sized, medium-sized and large-sized pipes 104, 105 and 106 are fifty millimeters, one hundred millimeters and one hundred and fifty millimeters, respectively. When the operation is not performed, because the pulling forces of the upper spring cylinder 38 and the lower spring cylinder 41 are balanced, the second pipeline 36 is centered as an applied mold and is used for processing the middle-sized pipeline 105, when the first pipeline 35 mold needs to be used and the small-sized pipeline 104 is processed, the first pipeline 35 can be moved towards the middle by pressing the first pressing block 42 by rotating the first bolt 43, when the first bolt 43 is screwed to the limit, the first pipeline 35 is just positioned in the middle of the upper mold 1 and can be used as an applied mold, and similarly, when the third pipeline 37 is used as an applied mold and is used for processing the large-sized pipeline 106, only the second bolt 45 needs to be screwed.
Further, the lower die 2 is provided with a left diagonal rod 51, a longitudinal groove 54 and a right diagonal rod 56 inside, the tops of the left diagonal rod 51 and the right diagonal rod 56 are respectively fixedly connected with a left sliding column 48 and a right sliding column 57, the left sliding column 48 and the right sliding column 57 are respectively matched with the left groove 47 and the right groove 50, the tops of the left sliding column 48 and the right sliding column 57 are in contact with the lower surface of the molding belt 49, the bottoms of the left diagonal rod 51 and the right diagonal rod 56 are respectively in contact with a left rotating column 52 and a right rotating column 55, the left rotating column 52 and the right rotating column 55 are fixed on a horizontal push rod 53, and the horizontal push rod 53 can move up and down along the longitudinal groove 54. Referring to fig. 12 to 14, when processing pipes of different sizes, an operator can control the axial distance between the left sliding column 48 and the right sliding column 57 by pushing the horizontal push rod 53 up and down, and further change the size of the formed semicircle of the forming belt 49, so as to realize the matching of the small-size pipe 104, the medium-size pipe 105 and the large-size pipe 106.
Furthermore, the interior of the self-tightening box 61 is provided with an actuator 63, an actuator controller 64 and a sensing box 67, the end of the actuator 63 is provided with a right stopper 62, the left end of the sensing box 67 is provided with a sensing rod 66, the right end of the sensing rod 66 is fixedly provided with a round bottom plate 68 by welding, the right end of the round bottom plate 68 is in contact with a piezoresistor 69 and a cone 70, the lower part of the cone 70 is fixedly connected with a moving rod 73 by welding, the bottom of the moving rod 73 is provided with a friction plate 74, the lower part of the cone 70 is in contact with the top of a transmission column 71, the bottom of the transmission column 71 is provided with an elastic block 72, the interior of the sensing box 67 is provided with a switch 75 and a fixed resistor 76, the actuator controller 64 is connected with the piezoresistor 69 in parallel by a lead 65 and then connected with the fixed resistor 76 in series, the fixed resistor 76 is connected with the actuator controller 64 and the sensing box 67 by the lead 65, The switches 75 are connected in series. Furthermore, in the processing process, the self-tightening box 61 is firstly pushed to move towards the left side along the front guide rail 103 and the rear guide rail 60, when the sensing rod 66 is in contact with the right side surface of the lower die 2, the round bottom plate 68 generates pressure on the piezoresistor 69 and the cone 70, the cone 70 moves downwards, the moving rod 73 is further pushed, the moving rod 73 is in contact with the upper side surface of the right connecting plate 58 through the friction plate 74 at the bottom to realize friction fixation, on the other hand, due to the self characteristic of the piezoresistor 69, the resistance value of the piezoresistor rises, further, more voltage is distributed at two ends of the piezoresistor 69 in the circuit, further, the action controller 64 can obtain more voltage, the control actuator 63 pushes the right plunger block 62 to make larger displacement, so that the right plunger block 62 can generate larger clamping force in the die, further, the pressure borne by the sensing rod 66 is further increased, and the voltage distributed at two ends of the piezoresistor 69 in the circuit and the friction between the friction plate 74 and the right connecting plate 58 are further increased The wiping force is further increased, thus producing a self-tightening function.
Further, the top surface of the left connecting plate 101 is fixedly connected with an electric cylinder fixing bottom plate 79 through a ninth series bolt group 78, the top of the electric cylinder fixing bottom plate 79 is fixed with the bottom of an electric cylinder bottom plate 80, the side surface of the electric cylinder bottom plate 80 is fixed with a first electric cylinder 81, the power output end of the first electric cylinder 81 is provided with a stretching rod 82, the right end of the stretching rod 82 is fixed with a pressurizing box 77, a second electric cylinder 83, an electric cylinder controller 84 and a liquid storage box 92 are arranged in the pressurizing box 77, the output end of the second electric cylinder 83 is provided with a pressurizing rod 90, the upper side in the pressurizing box 77 is provided with a sliding bar 85, the sliding bar 85 is in contact fit with the first transmission bar 86, the first transmission bar 86 can perform displacement motion along the length direction of the sliding bar 85, the middle part of the first transmission bar 86 is provided with a square groove 87, the square groove 87 is matched with the first cylinder 88, the first cylinder 88 is fixedly connected with the second transmission rod 89 by welding, the second transmission rod 89 can realize up-and-down displacement movement by matching the first cylinder 88 with the square groove 87, the lower side of the second transmission rod 89 is fixedly provided with a pressure arm 91 by welding, the left side of the liquid storage box 92 is sequentially provided with a first pressure column 93, a second pressure column 94, a third pressure column 95 and a fourth pressure column 96 from top to bottom, the bottom side of the liquid storage box 92 is provided with a pressure sensor 97, the pressure sensor 97 is electrically connected with the electric cylinder controller 84 by a lead 65, the electric cylinder controller 84 is electrically connected with the second electric cylinder 83 by a lead 65, the right side of the liquid storage box 92 is provided with a first through hole 98, the right side of the pressure storage box 77 is provided with a left plunger block 99, the center of the left plunger block 99 is provided with a second through hole 100, the second through hole 100 coincides with the axis of the first through hole 98.
Referring to fig. 15 to 18, the pressure tank 77 can provide one to four levels of pressure, when a liquid needs to be injected, the first electric cylinder 81 works to push the pressure tank 77 and the left plunger block 99 to move, the second electric cylinder 83 works to push the pressure rod 90 to press the pressure arm 91, an operator can adjust the position of the first cylinder 88 in the square groove 87 to change the up-down position of the pressure arm 91, further change the pressed numbers in the first pressure column 93, the second pressure column 94, the third pressure column 95 and the fourth pressure column 96, further realize the adjustment of the increased size, referring to fig. 15, when a primary pressure needs to be provided by the pressure tank 77, only the first pressure column 93 contacts with the pressure arm 91 and is pressed into the liquid storage tank 92, referring to fig. 16, when a secondary pressure needs to be provided by the pressure tank 77, only the first pressure column 93 and the second pressure column 94 contact with the pressure arm 91 and is pressed into the liquid storage tank 92, referring to fig. 17, when a tertiary pressure needs to be provided by the pressure tank 77, referring to fig. 18, when the pressure tank 77 is required to provide four-stage pressure, the first pressure column 93, the second pressure column 94, the third pressure column 95, and the fourth pressure column 96 contact the pressure arm 91 and are pressed into the tank 92, the pressure sensor 97 senses the pressure of the liquid in the tank 92 at any time, and when the pressure is too high, a signal is sent to the electric cylinder controller 84, and the electric cylinder controller 84 controls the second electric cylinder 83 to stop working to contact the pressure.
The actuator 63, the piezoresistor 69, the first electric cylinder 81, the second electric cylinder 83, and the like are all assembled in the existing equipment, and therefore, the specific model and specification are not described in detail.
The working principle of the invention is as follows:
the invention provides an internal high-pressure forming hydraulic machine which comprises an upper die 1, a lower die 2, a self-tightening box 61 and a pressurizing box 77, wherein a front arm 7 is welded on the outer side of a first fixing plate 4, the middle part of the front arm 7 is contacted with a first limiting plate 6 and can move up and down, a rack 27 is arranged on the inner side of the front arm 7, the rack 27 is matched with a gear 15, a second fixing plate 32 is fixed on the rear side surface of the upper die 1 through a sixth series of bolt groups 31, a rear arm 11 is welded on the outer side of the second fixing plate 32, the middle part of the rear arm 11 is contacted with a second limiting plate 30 and can move up and down, a control box 34 is arranged on the right side surface of the upper die 1, when a motor 9 works, power is transmitted to a first transmission shaft 16 through a speed reducer 10, a first transmission disc 19, a transmission belt 18 and a second transmission disc 17, further, the gear 15 rotates, the gear 15 is engaged with the rack 27 arranged on the inner side of the front arm 7, and further drives the front arm 7 to move upwards, the bottom of the front arm 7 is welded with the outer side of the first fixing plate 4, and further can drive the lower die 2 to move upwards, so as to realize the buckling between the upper die 1 and the lower die 2, the inner part of the upper die 1 is provided with a first pipeline 35, a second pipeline 36, a third pipeline 37 and a matching plate 46, the inner diameters of the middle pipe sections of the first pipeline 35, the second pipeline 36 and the third pipeline 37 are fifty millimeters, one hundred millimeters and fifty millimeters respectively, when the operation is not performed, because the tension of the upper spring cylinder 38 and the lower spring cylinder 41 is balanced, the second pipeline 36 is centered as an applied die, and when the first pipeline 35 is required to be used as a die, the first bolt 43 can be rotated to press the first pressing block 42 to move the first pipeline 35 to the middle, when the first bolt 43 is screwed to the limit, the first pipe 35 is located right in the middle of the upper mold 1, i.e. it can be used as an applied mold, and similarly, when the third pipe 37 is to be used as an applied mold, only the second bolt 45 needs to be screwed. Further, a left diagonal rod 51, a longitudinal groove 54 and a right diagonal rod 56 are arranged inside the lower die 2, tops of the left diagonal rod 51 and the right diagonal rod 56 are respectively fixedly connected with a left sliding column 48 and a right sliding column 57, the left sliding column 48 and the right sliding column 57 are respectively matched with the left groove 47 and the right groove 50, tops of the left sliding column 48 and the right sliding column 57 are contacted with the lower surface of the forming belt 49, bottoms of the left diagonal rod 51 and the right diagonal rod 56 are respectively contacted with a left rotating column 52 and a right rotating column 55, the left rotating column 52 and the right rotating column 55 are fixed on the transverse push rod 53, and an operator can control the axial center distance of the left sliding column 48 and the right sliding column 57 by pushing the vertical position of the transverse push rod 53, so as to change the shape of the forming belt 49, so as to realize the matching of pipelines with different sizes in the upper die 1, and the upper die 1, the right die 56 and the forming belt 49 are arranged on the upper die, After the lower mold 2 is fastened, the right chock 62 and the left chock 99 are clamped and high-pressure liquid is injected, and the specific implementation method is as follows.
Clamping of the right chock 62 is achieved through the self-tightening box 61, specifically, an actuator 63, an action controller 64 and a sensing box 67 are arranged in the self-tightening box 61, the end portion of the actuator 63 is provided with the right chock 62, the left end portion of the sensing box 67 is provided with a sensing rod 66, the right end portion of the sensing rod 66 is fixedly provided with a round bottom plate 68 through welding, the right end portion of the round bottom plate 68 is in contact with a piezoresistor 69 and a cone 70, the lower portion of the cone 70 is fixedly connected with a moving rod 73 through welding, the bottom portion of the moving rod 73 is provided with a friction plate 74, the lower portion of the cone 70 is in contact with the top portion of a transmission column 71, the bottom portion of the transmission column 71 is provided with an elastic block 72, the sensing box 67 is internally provided with a switch 75 and a fixed resistor 76, the action controller 64 and the piezoresistor 69 are connected in parallel through a wire 65 and then connected in series with the fixed resistor 76, furthermore, in the processing process, the self-tightening box 61 is firstly pushed to move along the front guide rail 103 and the rear guide rail 60 to the left side in a displacement manner, when the sensing rod 66 is in contact with the right side surface of the lower die 2, the round bottom plate 68 generates pressure on the piezoresistor 69 and the cone 70, the cone 70 moves downwards, the moving rod 73 is further pushed, the moving rod 73 is in contact with the upper side surface of the right connecting plate 58 through the bottom friction plate 74 to realize friction fixation, on the other hand, due to the self characteristic of the piezoresistor 69, the resistance value of the piezoresistor rises, further, more voltage is distributed at two ends of the piezoresistor 69 in the circuit, further, the action controller 64 can obtain more voltage, further, the action controller 63 is controlled to push the right chock 62 to make larger displacement, so that the right chock 62 can generate larger clamping force to the die, further, the pressure on the sensing rod 66 is further increased, the voltage across the varistor 69 in the circuit and the friction between the friction plate 74 and the right connecting plate 58 are further increased, thus producing a self-tightening function.
The tight and high-pressure liquid of clamp of left chock 99 is injected and is realized through pressure tank 77, and is concrete, and the output of the electronic jar 83 of second is provided with pressure rod 90, the inside upside of pressure tank 77 be provided with slider 85, slider 85 and the cooperation of first transfer line 86 contact, first transfer line 86 can be along the length direction of slider 85 displacement motion, the middle part of first transfer line 86 be provided with square groove 87, square groove 87 and the cooperation of first cylinder 88, first cylinder 88 and second transfer line 89 be connected through welded fastening, second transfer line 89 can realize displacement motion from top to bottom through the cooperation of first cylinder 88 with square groove 87, the downside of second transfer line 89 be through welded fastening has pressure arm 91, the left side of liquid reserve tank 92 from top to bottom set gradually first compression leg 93, second compression leg 94, A third compression leg 95 and a fourth compression leg 96, wherein a pressure sensor 97 is arranged at the bottom side of the liquid storage box 92, the pressure sensor 97 is electrically connected with the electric cylinder controller 84 through a lead 65, the electric cylinder controller 84 is electrically connected with the second electric cylinder 83 through a lead 65, a first through hole 98 is arranged at the right side of the liquid storage box 92, a left plug block 99 is arranged at the right side of the compression box 77, further, when high-pressure liquid needs to be injected, the first electric cylinder 81 works to push the compression box 77 and the left plug block 99 to move, the second electric cylinder 83 works to push the compression rod 90 to compress the compression arm 91, an operator can adjust the position of the first cylinder 88 in the square groove 87 to change the upper and lower positions of the compression arm 91, further change the compressed numbers in the first compression leg 93, the second compression leg 94, the third compression leg 95 and the fourth compression leg 96, further realize the adjustment of the increased size, in addition, the pressure sensor 97 senses the pressure of the liquid in the liquid storage box 92 at any time, and when the pressure is too high, a signal is sent to the electric cylinder controller 84, and the electric cylinder controller 84 controls the second electric cylinder 83 to stop working so as to contact the pressure.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The internal high-pressure forming hydraulic machine is characterized by comprising an upper die (1), a lower die (2), a self-tightening box (61) and a pressurizing box (77), wherein the bottom of the lower die (2) is connected with a right connecting plate (58) through an eighth series bolt group (59), the upper side of the right connecting plate (58) is provided with a front guide rail (103) and a rear guide rail (60) from front to back, the self-tightening box (61) is arranged on the upper sides of the front guide rail (103) and the rear guide rail (60), the self-tightening box (61) can extend the front guide rail (103) and the rear guide rail (60) to move, the bottom of the lower die (2) is connected with a left connecting plate (101) through a tenth series bolt group (102), a first fixing plate (4) is fixed on the rear side surface of the lower die (2) through a first series bolt group (3), and a front arm (7) on the outer side of the first fixing plate (4) is welded, the middle of the front arm (7) is in contact with the first limiting plate (6) and can move up and down in a displacement mode, a rack (27) is arranged on the inner side of the front arm (7), the rack (27) is matched with the gear (15), a second fixing plate (32) is fixed on the rear side surface of the upper die (1) through a sixth series of bolt groups (31), a rear arm (11) is welded on the outer side of the second fixing plate (32), the middle of the rear arm (11) is in contact with the second limiting plate (30) and can move up and down in a displacement mode, and a control box (34) is arranged on the right side surface of the upper die (1);
the top surface of the upper die (1) is fixed with a third bottom plate (29) through a fifth series of bolt groups (28), the top surface of the third bottom plate (29) is fixed with a motor bottom plate (8) through welding, the end surface of the motor bottom plate (8) is provided with a motor (9), the power output end of the motor (9) is provided with a rotating shaft (26), the rotating shaft (26) is connected with a first input shaft (24) of a speed reducer (10) through a coupler (25), the output end of the speed reducer (10) is provided with a second shaft (23), the end part of the second shaft (23) is welded with a first transmission disc (19), the first transmission disc (19) and a second transmission disc (17) are connected and driven through a transmission belt (18), and the end part of the second transmission disc (17) is welded with a first transmission shaft (16), a gear (15) is arranged in the middle of the first transmission shaft (16), the left end of the first transmission shaft (16) is connected with a support plate (14), a first bottom plate (13) is fixed at the bottom of the support plate (14) through welding, and the first bottom plate (13) is fixed on the top surface of the upper die (1) through a third series of bolt groups (12);
the inner part of the upper die (1) is provided with a first pipeline (35), a second pipeline (36), a third pipeline (37) and a matching plate (46), the inner diameters of middle pipe sections of the first pipeline (35), the second pipeline (36) and the third pipeline (37) are fifty millimeters, one hundred millimeters and one hundred fifty millimeters respectively, the left end surfaces of the first pipeline (35) and the third pipeline (37) are in contact with the right side of the matching plate (46), the left end surface of the second pipeline (36) is in contact with the left inner surface of the upper die (1), the upper side of the second pipeline (36) is connected with an upper spring cylinder (38) through an upper pull rod (39), the upper side of the upper spring cylinder (38) is fixed with the inner upper surface of the upper die (1), the lower side of the second pipeline (36) is connected with a lower spring cylinder (41) through a lower pull rod (40), the lower side of the lower spring cylinder (41) is fixed with the inner lower surface of the upper die (1), the right sides of the first pipeline (35) and the third pipeline (37) are respectively contacted with inclined surfaces of a first pressing block (42) and a second pressing block (44), the right sides of the first pressing block (42) and the second pressing block (44) are respectively contacted with the left sides of a first bolt (43) and a second bolt (45), and the first bolt (43) and the second bolt (45) are in threaded connection with the right side wall of the control box (34);
the upper die is characterized in that a left diagonal rod (51), a longitudinal groove (54) and a right diagonal rod (56) are arranged in the lower die (2), the tops of the left diagonal rod (51) and the right diagonal rod (56) are respectively fixedly connected with a left sliding column (48) and a right sliding column (57), the left sliding column (48) and the right sliding column (57) are respectively matched with the left groove (47) and the right groove (50), the tops of the left sliding column (48) and the right sliding column (57) are contacted with the lower surface of a forming belt (49), the bottoms of the left diagonal rod (51) and the right diagonal rod (56) are respectively contacted with a left rotating column (52) and a right rotating column (55), the left rotating column (52) and the right rotating column (55) are fixed on a transverse push rod (53), and the transverse push rod (53) can move up and down along the longitudinal groove (54);
the inside of self-tightening box (61) be provided with actor (63), action controller (64) and response case (67), the tip of actor (63) be provided with right chock (62), the left side tip of response case (67) be provided with response pole (66), the right side tip of response pole (66) have circle piece (68) through welded fastening, the right side tip of circle piece (68) contact with piezo-resistor (69) and cone (70), cone (70) below and carriage release lever (73) be connected through welded fastening, the bottom of carriage release lever (73) be provided with friction disc (74), the below of cone (70) and the top contact of transmission post (71), the bottom of transmission post (71) be provided with elasticity piece (72), the inside switch (75) that is provided with of response case (67), The action controller (64) and the piezoresistor (69) are connected in parallel through a lead (65) and then are connected in series with the fixed resistor (76), and the fixed resistor (76) is connected in series with the action controller (64) and the switch (75) through the lead (65);
the top surface of the left connecting plate (101) is fixedly connected with an electric cylinder fixing bottom plate (79) through a ninth series of bolt groups (78), the top of the electric cylinder fixing bottom plate (79) is fixed with the bottom of an electric cylinder bottom plate (80), the side surface of the electric cylinder bottom plate (80) is fixed with a first electric cylinder (81), the power output end of the first electric cylinder (81) is provided with a stretching and pulling rod (82), and the right end of the stretching and pulling rod (82) is fixed with a pressurizing box (77);
the hydraulic press is characterized in that a second electric cylinder (83), an electric cylinder controller (84) and a liquid storage tank (92) are arranged in the pressurizing box (77), a pressurizing rod (90) is arranged at the output end of the second electric cylinder (83), a sliding strip (85) is arranged on the upper side inside the pressurizing box (77), the sliding strip (85) is in contact fit with a first transmission rod (86), the first transmission rod (86) can perform displacement motion along the length direction of the sliding strip (85), a square groove (87) is arranged in the middle of the first transmission rod (86), the square groove (87) is matched with a first cylinder (88), the first cylinder (88) is fixedly connected with a second transmission rod (89) through welding, the second transmission rod (89) can realize up-and-down displacement motion through the matching of the first cylinder (88) and the square groove (87), and a pressing arm (91) is fixedly welded to the lower side of the second transmission rod (89), the left side of liquid reserve tank (92) from last to having set gradually first compression leg (93), second compression leg (94), third compression leg (95), fourth compression leg (96) down, the bottom side of liquid reserve tank (92) be provided with pressure sensor (97), pressure sensor (97) pass through wire (65) and electronic jar controller (84) electric connection, electronic jar controller (84) pass through wire (65) electric connection with electronic jar (83) of second, the right side of liquid reserve tank (92) be provided with first through-hole (98), the right side of pressurization case (77) be provided with left chock (99), the center of left chock (99) be provided with second through-hole (100), second through-hole (100) coincide with the axial lead of first through-hole (98).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290807.2A CN110935780B (en) | 2019-12-16 | 2019-12-16 | Internal high-pressure forming hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290807.2A CN110935780B (en) | 2019-12-16 | 2019-12-16 | Internal high-pressure forming hydraulic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110935780A CN110935780A (en) | 2020-03-31 |
| CN110935780B true CN110935780B (en) | 2021-08-20 |
Family
ID=69911528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911290807.2A Active CN110935780B (en) | 2019-12-16 | 2019-12-16 | Internal high-pressure forming hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110935780B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4423689A1 (en) * | 1994-06-30 | 1996-01-11 | Hera Int Fin & Prop Man Gmbh | High pressure installation for forming component from metal blanks without heating |
| US5575172A (en) * | 1994-09-27 | 1996-11-19 | Mercedes-Benz | Device for producing hollow bodies according to an internal high pressure metal forming process |
| EP1138409A1 (en) * | 2000-03-31 | 2001-10-04 | Schuler Hydroforming GmbH & Co. KG | Hydroforming die for the production of a hollow workpiece from two metal sheets |
| CN103528899A (en) * | 2013-11-01 | 2014-01-22 | 哈尔滨工业大学 | Tube forming performance testing device and method under combined action of internal and external pressure |
| CN203496317U (en) * | 2013-09-17 | 2014-03-26 | 湖州鑫科锻压机床有限公司 | Inner high pressure moulding hydraulic machine |
| CN104338818A (en) * | 2013-08-01 | 2015-02-11 | 浙江摩多巴克斯汽配有限公司 | Internal high pressure forming equipment |
| CN104438542A (en) * | 2014-12-08 | 2015-03-25 | 无锡朗贤汽车组件研发中心有限公司 | Inflatable hot forming and sectional strengthening tube-producing equipment |
| CN105562516A (en) * | 2016-03-15 | 2016-05-11 | 哈尔滨工业大学 | Charging pressing forming method for variable-cross-section special-shaped pipe |
| CN205767669U (en) * | 2016-05-25 | 2016-12-07 | 无锡卡豹动力科技有限公司 | A kind of inner high voltage forming hydraulic press |
| CN107030171A (en) * | 2017-05-03 | 2017-08-11 | 东北大学 | The internal high pressure forming equipment and manufacturing process of micro- metal T-shaped pipe |
| CN207547363U (en) * | 2017-10-23 | 2018-06-29 | 北京普惠三航科技有限公司 | A kind of internal high pressure forming mold |
| CN207577197U (en) * | 2017-09-30 | 2018-07-06 | 北京普惠三航科技有限公司 | Internal high pressure forming equipment |
| CN209613920U (en) * | 2019-03-18 | 2019-11-12 | 东莞市中帆新材料科技有限公司 | A kind of automotive suspension arm forming machine based on internal high pressure forming |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186123Y (en) * | 1992-05-11 | 1994-12-28 | 谭伟雄 | Device for manufacturing compound tube by hydraulic expanding join |
| JP6069145B2 (en) * | 2013-09-12 | 2017-02-01 | 住友重機械工業株式会社 | High pressure twist molding machine |
| CN109570340B (en) * | 2018-12-10 | 2020-10-20 | 元祥精密机电新沂有限公司 | Flat tub of machine of high accuracy, stable form |
-
2019
- 2019-12-16 CN CN201911290807.2A patent/CN110935780B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4423689A1 (en) * | 1994-06-30 | 1996-01-11 | Hera Int Fin & Prop Man Gmbh | High pressure installation for forming component from metal blanks without heating |
| US5575172A (en) * | 1994-09-27 | 1996-11-19 | Mercedes-Benz | Device for producing hollow bodies according to an internal high pressure metal forming process |
| EP1138409A1 (en) * | 2000-03-31 | 2001-10-04 | Schuler Hydroforming GmbH & Co. KG | Hydroforming die for the production of a hollow workpiece from two metal sheets |
| CN104338818A (en) * | 2013-08-01 | 2015-02-11 | 浙江摩多巴克斯汽配有限公司 | Internal high pressure forming equipment |
| CN203496317U (en) * | 2013-09-17 | 2014-03-26 | 湖州鑫科锻压机床有限公司 | Inner high pressure moulding hydraulic machine |
| CN103528899A (en) * | 2013-11-01 | 2014-01-22 | 哈尔滨工业大学 | Tube forming performance testing device and method under combined action of internal and external pressure |
| CN104438542A (en) * | 2014-12-08 | 2015-03-25 | 无锡朗贤汽车组件研发中心有限公司 | Inflatable hot forming and sectional strengthening tube-producing equipment |
| CN105562516A (en) * | 2016-03-15 | 2016-05-11 | 哈尔滨工业大学 | Charging pressing forming method for variable-cross-section special-shaped pipe |
| CN205767669U (en) * | 2016-05-25 | 2016-12-07 | 无锡卡豹动力科技有限公司 | A kind of inner high voltage forming hydraulic press |
| CN107030171A (en) * | 2017-05-03 | 2017-08-11 | 东北大学 | The internal high pressure forming equipment and manufacturing process of micro- metal T-shaped pipe |
| CN207577197U (en) * | 2017-09-30 | 2018-07-06 | 北京普惠三航科技有限公司 | Internal high pressure forming equipment |
| CN207547363U (en) * | 2017-10-23 | 2018-06-29 | 北京普惠三航科技有限公司 | A kind of internal high pressure forming mold |
| CN209613920U (en) * | 2019-03-18 | 2019-11-12 | 东莞市中帆新材料科技有限公司 | A kind of automotive suspension arm forming machine based on internal high pressure forming |
Non-Patent Citations (1)
| Title |
|---|
| 内高压成型设备液压控制系统研究;曹健等;《机床与液压》;20050531;第5卷;第69-70页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110935780A (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101927299A (en) | Mechanical pipe fitting bulging device | |
| CN110935780B (en) | Internal high-pressure forming hydraulic machine | |
| CN209969269U (en) | Automatic pipe bending device | |
| CN209124667U (en) | Stamping equipment is used in a kind of processing of automobile parts | |
| CN202239110U (en) | U-shaped beam bender | |
| CN2589419Y (en) | Mechanical arm apparatus for tubular product discharging | |
| CN2848454Y (en) | Fastening machine for rubber pipe unit assemblage | |
| CN210615308U (en) | Clamping device for steel pipe on-line cutting technology | |
| CN111761353A (en) | Shifting fork assembly press-fitting device | |
| CN110918794A (en) | Riveting and pressure testing device for plug groups at two ends of automobile side pipe | |
| CN218340753U (en) | Special punch device for pipe machining | |
| CN208178164U (en) | A kind of bending machine | |
| CN108827556A (en) | A kind of master cylinder leakage detection method | |
| CN205146963U (en) | Stubborn curved device | |
| CN212422227U (en) | Visual servo assembly machine | |
| CN204998014U (en) | Numerical control hydraulic press | |
| CN211477545U (en) | High-pressure air tightness testing device for brake master cylinder | |
| CN208305870U (en) | A kind of mesh piece pressing mold | |
| CN208683845U (en) | A kind of tool structure with compression and turn over function | |
| CN201625696U (en) | Novel oil press for right-angle pipe clamps | |
| CN207521461U (en) | A kind of push type broach automatic poking knife system | |
| CN206056632U (en) | Injection mold ejects testboard | |
| CN203191522U (en) | Starter switch performance test system | |
| CN218946021U (en) | Full-automatic pipe bending machine | |
| CN204524742U (en) | Fluorescent tube automatic screw nailing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211224 Address after: 226500 group 17, Songyang community neighborhood committee, Baipu Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Yongli Hydraulic Equipment Co.,Ltd. Address before: Room a7130, 7 / F, building 9, phase I, Changsha CLP Software Park, No. 39, Jianshan Road, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee before: CHANGSHA ERDAO NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |