CN103128120B - Hydraulic synchronous movement type extrusion forming device - Google Patents
Hydraulic synchronous movement type extrusion forming device Download PDFInfo
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- CN103128120B CN103128120B CN201310075398.0A CN201310075398A CN103128120B CN 103128120 B CN103128120 B CN 103128120B CN 201310075398 A CN201310075398 A CN 201310075398A CN 103128120 B CN103128120 B CN 103128120B
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Abstract
The invention discloses a hydraulic synchronous movement type extrusion forming device which comprises a branch pressure station (1), an S oil cylinder (2), an X oil cylinder (3) and an extrusion forming die (4). As the device consisting of the branch pressure station, the S oil cylinder, the X oil cylinder and the extrusion forming die is used, a main cylinder with a large opening diameter as well as an upper branch cylinder and a lower branch cylinder which have the same opening diameters, the same capacities and small opening diameters are respectively arranged in a pressure station cylinder body of the branch pressure station, and a main piston, an upper branch piston and a lower branch piston are correspondingly arranged; hydraulic oil of the branch pressure station can be synchronously output under equal pressure and with equal amount; and an S piston and an X piston of the S oil cylinder and the X oil cylinder are driven to drive an upper punching head and a lower punching head of the extrusion forming die to do opposite synchronous movement, so that metal materials in the extrusion forming die are extruded and formed so as to form a product; and therefore, the aims of reducing the cost, improving the synchronous precision and eliminating unqualified products are fulfilled by the hydraulic synchronous movement type extrusion forming device.
Description
Technical field
The present invention relates to a kind of hydraulic synchronization motion pressurizing unit, specifically refer to for by the motion of synchronous hydraulic in opposite directions and extrusion molding dies by extruded for the metal material extrusion forming device moved for a kind of hydraulic synchronization of goods.
Background technology
Hydraulic synchronization motion extruded, by making the piston of two hydraulic jacks of move toward one another, synchronous extruding is arranged in the metal material of extrusion molding dies, by directly extruded for metal material be goods, such as extruded metal gear goods.
Extruded hydraulic synchronization motion, require the pressure of the stretching motion of two of move toward one another oil cylinder pistons, even with translational speed identical all the time, and synchronization accuracy requirement is less than 0.02 millimeter; Prior art adopts the flow divider-combiner oil cylinder that servo two is relative respectively to realize hydraulic synchronization motion; Flow divider-combiner also claims synchronous valve, and synchronous valve is that the liquid of foundation load hinders the flow automatically regulating two delivery outlets through its inner stream flow adjustment member, makes two oil cylinder pistons in the speed of motion, keep synchronous; In prolonged application, due to synchronous valve complex structure, easy break-down, cause maintenance cost high, and because being difficult to reach extruded synchronization accuracy requirement, easily cause that goods are bad to be scrapped, therefore, there are the problems and shortcomings that cost is high, synchronization accuracy is poor, bad waste product is high in prior art.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of the identical S oil cylinder of branch pressure station, two bore volumes and X oil cylinder and extrusion molding dies, point cylinder and lower point of cylinder on small-bore identical with two bore volumes of bigbore master cylinder is set respectively in the pressure station cylinder body of branch pressure station, and correspondence arranges main piston, above divides piston and lower point piston, during work, the hydraulic oil of hydraulic power source drives the main piston of branch pressure station to drive upper point piston and lower point of piston synchronous motion, two points of pistons are respectively by isobaric for the hydraulic oil of same volume in upper point cylinder and lower point of cylinder, equivalent, synchronism output, drive S piston and the motion of X piston synchronous of S oil cylinder and X oil cylinder more respectively, the upper punch of extrusion molding dies and low punch is driven to do being synchronized with the movement in opposite directions respectively, the extruded technical scheme for goods of metal material directly will being arranged in extrusion molding dies, the extrusion forming device that a kind of hydraulic synchronization moves is provided, be intended to by structure simple, failure rate is low, the equipressure of the branch pressure station that synchronization accuracy is high, equivalent and synchronism output, realize the high-precise synchronization motion of S piston and X piston, extruded the reaching that hydraulic synchronization is moved reduces costs, improve synchronization accuracy, eliminate the object of bad waste product.
The object of the present invention is achieved like this: a kind of extrusion forming device of hydraulic synchronization motion, comprise branch pressure station, S oil cylinder, X oil cylinder, extrusion molding dies, wherein: described branch pressure station is by pressing station cylinder body, master cylinder, upper point cylinder, under divide cylinder, master cylinder interface, upper point cylinder interface, under divide cylinder interface, main piston, upper point piston, under divide piston to form, wherein, described pressure station cylinder body is the airtight steel housing member of hollow cylindrical, the inside chamber of pressure station cylinder body is called cylinder chamber, the left part in described cylinder chamber is provided with the master cylinder of heavy caliber cylinder tube chamber shape, the right part in described cylinder chamber is provided with two and is parallel to each other and upper point cylinder and the lower point of cylinder of independently small-bore cylinder tube chamber shape, described upper point cylinder is identical with the bore volume of lower point of cylinder, the left opening's edge of upper point cylinder and lower point of cylinder communicates with described master cylinder, the lower left quarter casing wall place of described master cylinder be provided with press that the outside of cylinder body of standing communicates, for being connected the master cylinder interface of hydraulic circuit, the center of the right side casing wall of described upper point of cylinder be provided with press that the outside of cylinder body of standing communicates, for being connected upper point cylinder interface of hydraulic circuit, the center of the right side casing wall of described lower point cylinder be provided with press that the outside of cylinder body of standing communicates, for being connected lower point of cylinder interface of hydraulic circuit, described master cylinder, on point cylinder and lower point cylinder inside respectively corresponding slide be provided with steel columniform, with sealing ring main piston, on point piston and lower point piston, the described piston that above divides is identical with the volume of lower point of piston,
Described S oil cylinder is the hydraulically extensible executive component be made up of S cylinder body and S piston, described S cylinder body is that upper and lower two ends are provided with flange connector, the steel housing member of hollow cylindrical, the center of the lower end flange connector of S cylinder body is provided with manhole and is called S stick harness hole, the top of the internal chamber of the S cylinder body left side wall be provided with through top flange connector communicates with outside, passage for connecting hydraulic circuit is called upper oil duct, the outer opening's edge place of described upper oil duct is provided with interface and is called that S extrudes interface, the top of the internal chamber of the S cylinder body right side wall be also provided with through top flange connector communicates with outside, passage for adjusting oil mass is called Shang Guo road, the outer opening's edge place in described Shang Guo road is provided with stop valve and is called S stop valve, the lower right side-walls of the internal chamber of S cylinder body be provided with communicate with outside, be called S reseting interface for the interface being connected hydraulic circuit, slide in S cylinder body be provided with steel columniform, be called S piston with the piston of sealing ring, the lower slide of described S piston is arranged in described S stick harness hole, below S piston, center is provided with upwards groove that is recessed, up-small and down-big, cylinder tube chamber step and is called S resettlement groove, slide successively from top to bottom in described S resettlement groove and be provided with columniform elastomer and be called S elastomer, be called S cushion block with the cushion block be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described S cushion block is less than the degree of depth of the large step groove of bottom in described S resettlement groove,
Described X oil cylinder is the hydraulically extensible executive component be made up of X cylinder body and X piston, described X cylinder body is that upper and lower two ends are provided with flange connector, the steel housing member of hollow cylindrical, the center of the upper end flange connector of X cylinder body is provided with manhole and is called X stick harness hole, the bottom of the internal chamber of the X cylinder body left side wall be provided with through bottom flange connector communicates with outside, passage for connecting hydraulic circuit is called lower oil duct, the outer opening's edge place of described lower oil duct is provided with interface and is called that X extrudes interface, the bottom of the internal chamber of the X cylinder body right side wall be also provided with through bottom flange connector communicates with outside, passage for adjusting oil mass is called Xia Guo road, the outer opening's edge place in described Xia Guo road is provided with stop valve and is called X stop valve, the upper right wall place of the internal chamber of X cylinder body be provided with communicate with outside, be called X reseting interface for the interface being connected hydraulic circuit, slide in X cylinder body be provided with steel columniform, be called X piston with the piston of sealing ring, slide and be arranged in described X stick harness hole in the top of described X piston, the center above of X piston is provided with groove that is recessed down, up big and down small, cylinder tube chamber shape and is called X resettlement groove, slide successively from bottom to top in described X resettlement groove and be provided with columniform elastomer and be called X elastomer, and the X cushion block be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described X cushion block is less than the degree of depth of the large step groove of described X resettlement groove internal upper part, the bore of the inner chamber of described X cylinder body is identical with volume with the bore of the inner chamber of described S cylinder body with volume, and the diameter of described X piston is identical with volume with the diameter of described S piston with volume,
Described extrusion molding dies is the die device be made up of upper die and lower die, described patrix is provided with the component of the rectangular block shape steel of flange connector above being, below patrix, center is provided with the upwards recessed upper impression matched with the slit bamboo or chopped wood shape face, top half of goods, and the center of described upper impression is provided with circular through hole and is called nib; Described counterdie is provided with the component of the rectangular block shape steel of flange connector below being, the center above of counterdie is provided with the lower impressions recessed down matched with the slit bamboo or chopped wood shape face, bottom half of goods, and the center of described lower impressions is provided with circular through hole and is called lower nib;
Patrix is positioned at the top of counterdie, and contact below patrix with above counterdie, close corresponding with the lower impressions of described counterdie of the upper impression of described patrix accords with, and accords with the chamber surrounded be called model by upper impression and lower impressions conjunction; Be fixedly connected with below S oil cylinder with above patrix, being fixedly connected with below counterdie above of X oil cylinder,
Slide in described upper nib and be provided with the columniform upper punch of steel, the upper end of described upper punch is connected with center below described S cushion block, slide in described lower nib and be provided with the columniform low punch of steel, the lower end of described low punch is connected with the center above of described X cushion block; Original state, the lower end of upper punch is positioned at the top of described upper nib, and the upper end of low punch is positioned at the bottom of described lower nib;
The described master cylinder interface of branch pressure station is connected with controlled hydraulic source by oil pipe, the described S reseting interface of S oil cylinder and the described X reseting interface of X oil cylinder are by oil pipe and connect and be connected with controlled hydraulic source, a described upper point cylinder interface for branch pressure station extrudes interface by oil pipe with the described S of S oil cylinder and is connected, and described lower point of cylinder interface of branch pressure station extrudes interface by oil pipe with the described X of X oil cylinder and is connected;
During application, being connected with the movable table of hydraulic press above of S oil cylinder, be connected with the stationary work-table of hydraulic press below X oil cylinder.
Operation principle and beneficial effect
Feed intake matched moulds: by the described lower nib of the insertion counterdie of metal bar material, primer fluid press, and the movable table of hydraulic press is fallen, and patrix and counterdie matched moulds also lock;
Extruded: hydraulic power source is controlled exerts pressure, main piston through master cylinder interface driver branch pressure station drives upper point piston and lower point of piston synchronous to extrude to the right, two points of pistons are respectively by isobaric for the hydraulic oil of same volume in upper point cylinder and lower point of cylinder, equivalent, synchronously export through upper point cylinder interface and lower point of cylinder interface, the S piston of S oil cylinder and X oil cylinder and X piston synchronous is driven to extrude in opposite directions respectively, and drive upper punch and low punch locking phase to ejecting respectively, low punch promotes metal bar material and upwards meets at described model place and the upper punch moved downward, upper punch and low punch directly by extruded in a model for metal bar material be goods.
Die sinking ejects: primer fluid press, and the movable table of hydraulic press rises, patrix and counterdie die sinking, and by the elastomeric acting in conjunction of the elastomeric X of S, goods eject and are separated with lower impressions with upper impression by upper punch and low punch, manually take out goods;
Drift resets: the controlled switching oil circuit of hydraulic power source, hydraulic oil drives S piston and X piston reset respectively through S reseting interface and X reseting interface, the hydraulic oil being positioned at S cylinder body top is extruded interface with the hydraulic oil being positioned at X inferior part of the cylinder block through S, above divides cylinder interface and X to extrude interface, divide cylinder interface to return point cylinder and a lower point cylinder respectively down, and driving upper point of piston and lower point of piston driving main piston to reset left, upper punch and low punch reset with the reset of S piston and X piston.
The purposes arranging S stop valve and X stop valve is, by adjusting the hydraulic pressure oil mass on S cylinder body top and X inferior part of the cylinder block, comes the final position ejected of the lower end of precise fine-adjustment upper punch and the lower end of low punch respectively; Final position precision can be less than 0.005 millimeter
S cushion block and X cushion block are divided into and by the purposes of the structure of the bloom of upper and lower two pieces of superpositions are, by liner stalloy between the bloom of upper and lower two pieces of superpositions, carry out the initial point position ejected of the lower end of precise fine-adjustment upper punch and the lower end of low punch respectively; Initial point position precision can be less than 0.005 millimeter;
The branch pressure station structure of this device is simple, failure rate is low, synchronization accuracy are high, upper punch and the motion of low punch high-precise synchronization is realized through the drive of S piston and X piston by branch pressure station, synchronization accuracy can reach ± and 0.005 millimeter, meet the extruded requirement of hydraulic synchronization motion, and reduce cost, improve synchronization accuracy, eliminate bad waste product.
Above-mentioned, the present invention adopts the device be made up of the identical S oil cylinder of branch pressure station, two bore volumes and X oil cylinder and extrusion molding dies, point cylinder and lower point of cylinder on small-bore identical with two bore volumes of bigbore master cylinder is set respectively in the pressure station cylinder body of branch pressure station, and correspondence arranges main piston, above divides piston and lower point piston, during work, by branch pressure station hydraulic oil is isobaric, equivalent, synchronism output, S oil cylinder and the S piston of X oil cylinder and the upper punch of X piston driving extrusion molding dies and low punch is driven to do being synchronized with the movement in opposite directions, by the extruded technical scheme for goods of metal material being arranged in extrusion molding dies, overcoming prior art, to there is cost high, synchronization accuracy is poor, the problems and shortcomings that bad waste product is high, the extrusion forming device of a kind of hydraulic synchronization motion provided, extruded the reaching that hydraulic synchronization is moved reduces costs, improve synchronization accuracy, eliminate the object of bad waste product.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of the extrusion forming device of a kind of hydraulic synchronization motion of the present invention.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: branch pressure station 1, pressure station cylinder body 11, master cylinder 111, upper point cylinder 112, under divide cylinder 113, master cylinder interface 114, upper point cylinder interface 115, under divide cylinder interface 116, main piston 12, upper point piston 121, under divide piston 122, S oil cylinder 2, S cylinder body 21, S stop valve 211, S extrudes interface 212, S reseting interface 213, S piston 22, S cushion block 221, S elastomer 222, X oil cylinder 3, X cylinder body 31, X stop valve 311, X extrudes interface 312, X reseting interface 313, X piston 32, X cushion block 321, X elastomer 322, extrusion molding dies 4, patrix 41, upper impression 411, upper punch 412, counterdie 42, lower impressions 421, low punch 422.
Detailed description of the invention
Consult Fig. 1, the extrusion forming device of a kind of hydraulic synchronization motion of the present invention, comprise branch pressure station 1, S oil cylinder 2, X oil cylinder 3, extrusion molding dies 4, wherein: described branch pressure station 1 is by pressure station cylinder body 11, master cylinder 111, upper point cylinder 112, under divide cylinder 113, master cylinder interface 114, upper point cylinder interface 115, under divide cylinder interface 116, main piston 12, upper point piston 121, under divide piston 122 to form, wherein, described pressure station cylinder body 11 is the airtight steel housing member of hollow cylindrical, the inside chamber of pressure station cylinder body 11 is called cylinder chamber, the left part in described cylinder chamber is provided with the master cylinder 111 of heavy caliber cylinder tube chamber shape, the right part in described cylinder chamber is provided with two and is parallel to each other and upper point cylinder 112 and the lower point of cylinder 113 of independently small-bore cylinder tube chamber shape, described upper point cylinder 112 is identical with the bore volume of lower point of cylinder 113, the left opening's edge of upper point cylinder 112 and lower point of cylinder 113 communicates with described master cylinder 111, the lower left quarter casing wall place of described master cylinder 111 be provided with press that the outside of cylinder body 11 of standing communicates, for being connected the master cylinder interface 114 of hydraulic circuit, the center of the right side casing wall of described upper point of cylinder 112 be provided with press that the outside of cylinder body 11 of standing communicates, for being connected upper point cylinder interface 115 of hydraulic circuit, the center of the right side casing wall of described lower point cylinder 113 be provided with press that the outside of cylinder body 11 of standing communicates, for being connected lower point of cylinder interface 116 of hydraulic circuit, described master cylinder 111, on point cylinder 112 and lower point cylinder 113 inside respectively corresponding slide be provided with steel columniform, with sealing ring main piston 12, on point piston 121 and lower point piston 122, the described piston 121 that above divides is identical with the volume of lower point of piston 122,
Described S oil cylinder 2 is the hydraulically extensible executive component be made up of S cylinder body 21 and S piston 22, described S cylinder body 21 is provided with flange connector for upper and lower two ends, the steel housing member of hollow cylindrical, the center of the lower end flange connector of S cylinder body 21 is provided with manhole and is called S stick harness hole, the top of the internal chamber of S cylinder body 21 left side wall be provided with through top flange connector communicates with outside, passage for connecting hydraulic circuit is called upper oil duct, the outer opening's edge place of described upper oil duct is provided with interface and is called that S extrudes interface 212, the top of the internal chamber of S cylinder body 21 right side wall be also provided with through top flange connector communicates with outside, passage for adjusting oil mass is called Shang Guo road, the outer opening's edge place in described Shang Guo road is provided with stop valve and is called S stop valve 211, the lower right side-walls of the internal chamber of S cylinder body 21 be provided with communicate with outside, be called S reseting interface 213 for the interface being connected hydraulic circuit, slide in S cylinder body 21 be provided with steel columniform, be called S piston 22 with the piston of sealing ring, the lower slide of described S piston 22 is arranged in described S stick harness hole, below S piston 22, center is provided with upwards groove that is recessed, up-small and down-big, cylinder tube chamber step and is called S resettlement groove, slide successively from top to bottom in described S resettlement groove and be provided with columniform elastomer and be called S elastomer 222, be called S cushion block 221 with the cushion block be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described S cushion block 221 is less than the degree of depth of the large step groove of bottom in described S resettlement groove,
Described X oil cylinder 3 is the hydraulically extensible executive component be made up of X cylinder body 31 and X piston 32, described X cylinder body 31 is provided with flange connector for upper and lower two ends, the steel housing member of hollow cylindrical, the center of the upper end flange connector of X cylinder body 31 is provided with manhole and is called X stick harness hole, the bottom of the internal chamber of X cylinder body 31 left side wall be provided with through bottom flange connector communicates with outside, passage for connecting hydraulic circuit is called lower oil duct, the outer opening's edge place of described lower oil duct is provided with interface and is called that X extrudes interface 312, the bottom of the internal chamber of X cylinder body 31 right side wall be also provided with through bottom flange connector communicates with outside, passage for adjusting oil mass is called Xia Guo road, the outer opening's edge place in described Xia Guo road is provided with stop valve and is called X stop valve 311, the upper right wall place of the internal chamber of X cylinder body 31 be provided with communicate with outside, be called X reseting interface 313 for the interface being connected hydraulic circuit, slide in X cylinder body 31 be provided with steel columniform, be called X piston 32 with the piston of sealing ring, slide and be arranged in described X stick harness hole in the top of described X piston 32, the center above of X piston 32 is provided with groove that is recessed down, up big and down small, cylinder tube chamber shape and is called X resettlement groove, slide successively from bottom to top in described X resettlement groove and be provided with columniform elastomer and be called X elastomer 322, and the X cushion block 321 be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described X cushion block 321 is less than the degree of depth of the large step groove of described X resettlement groove internal upper part, the bore of the inner chamber of described X cylinder body 31 is identical with volume with the bore of the inner chamber of described S cylinder body 21 with volume, and the diameter of described X piston 32 is identical with volume with the diameter of described S piston 22 with volume,
Described extrusion molding dies 4 is the die device be made up of patrix 41 and counterdie 42, described patrix 41 is the component of the rectangular block shape steel being provided with flange connector above, below patrix 41, center is provided with the upwards recessed upper impression 411 matched with the slit bamboo or chopped wood shape face, top half of goods, and the center of described upper impression 411 is provided with circular through hole and is called nib; Described counterdie 42 is the component of the rectangular block shape steel being provided with flange connector below, the center above of counterdie 42 is provided with the lower impressions 421 recessed down matched with the slit bamboo or chopped wood shape face, bottom half of goods, and the center of described lower impressions 421 is provided with circular through hole and is called lower nib;
Patrix 41 is positioned at the top of counterdie 42, and with the contact above of counterdie 42 below patrix 41, close corresponding with the lower impressions 421 of described counterdie 42 of the upper impression 411 of described patrix 41 accords with, and closes the chamber that symbol surrounds be called model by upper impression 411 and lower impressions 421; Be fixedly connected with below S oil cylinder 2 with above patrix 41, being fixedly connected with below counterdie 42 above of X oil cylinder 3,
Slide in described upper nib and be provided with the columniform upper punch 412 of steel, the upper end of described upper punch 412 is connected with center below described S cushion block 221, slide in described lower nib and be provided with the columniform low punch 422 of steel, the lower end of described low punch 422 is connected with the center above of described X cushion block 321; Original state, the lower end of upper punch 412 is positioned at the top of described upper nib, and the upper end of low punch 422 is positioned at the bottom of described lower nib;
The described master cylinder interface 114 of branch pressure station 1 is connected with controlled hydraulic source by oil pipe, the described S reseting interface 213 of S oil cylinder 2 and the described X reseting interface 313 of X oil cylinder 3 are by oil pipe and connect and be connected with controlled hydraulic source, a described upper point cylinder interface 115 for branch pressure station 1 extrudes interface 212 by oil pipe with the described S of S oil cylinder 2 and is connected, and described lower point of cylinder interface 116 of branch pressure station 1 extrudes interface 312 by oil pipe with the described X of X oil cylinder 3 and is connected;
During application, being connected with the movable table of hydraulic press above of S oil cylinder 2, be connected with the stationary work-table of hydraulic press below X oil cylinder 3.
Operation principle and beneficial effect
Feed intake matched moulds: by the described lower nib of the insertion counterdie 42 of metal bar material, primer fluid press, and the movable table of hydraulic press is fallen, and patrix 41 is with counterdie 42 matched moulds and lock;
Extruded: hydraulic power source is controlled exerts pressure, the main piston 12 of branch pressure station 1 is driven to drive upper point piston 121 and lower point of piston 122 synchronously to extrude to the right through master cylinder interface 114, two points of pistons are respectively by isobaric for the hydraulic oil of same volume in upper point cylinder 112 and lower point of cylinder 113, equivalent, synchronously export through upper point cylinder interface 115 and lower point of cylinder interface 116, drive the S piston 22 of S oil cylinder 2 and X oil cylinder 3 and X piston 32 locking phase to extrusion respectively, and drive upper punch 412 and low punch 422 locking phase to ejecting respectively, low punch 422 promotes metal bar material and upwards meets at described model place and the upper punch 412 moved downward, upper punch 412 and low punch 422 directly by extruded in a model for metal bar material be goods.
Die sinking ejects: primer fluid press, the movable table of hydraulic press rises, and patrix 41 and counterdie 42 die sinking, by the acting in conjunction of the X elastomer 322 of S elastomer 222, goods eject and are separated with lower impressions 421 with upper impression 411 by upper punch 412 and low punch 422, manually take out goods;
Drift resets: the controlled switching oil circuit of hydraulic power source, hydraulic oil drives S piston 22 and X piston 32 to reset through S reseting interface 213 and X reseting interface 313 respectively, the hydraulic oil being positioned at S cylinder body 21 top is extruded interface 212 with the hydraulic oil being positioned at X cylinder body 31 bottom through S, above divides cylinder interface 115 and X to extrude interface 312, divide cylinder interface 116 to return point cylinder 112 and a lower point cylinder 113 respectively down, and driving upper point of piston 121 and lower point of piston 122 to drive main piston 12 to reset left, upper punch 412 and low punch 422 reset with the reset of S piston 22 and X piston 32.
The purposes arranging S stop valve 211 and X stop valve 311 is, by adjusting the hydraulic pressure oil mass on S cylinder body 21 top and X cylinder body 31 bottom, comes the final position ejected of the lower end of precise fine-adjustment upper punch 412 respectively and the lower end of low punch 422; Final position precision can be less than 0.005 millimeter
S cushion block 221 and X cushion block 321 are divided into and by the purposes of the structure of the bloom of upper and lower two pieces of superpositions are, by liner stalloy between the bloom of upper and lower two pieces of superpositions, carry out the initial point position ejected of the lower end of precise fine-adjustment upper punch 412 respectively and the lower end of low punch 422; Initial point position precision can be less than 0.005 millimeter;
Branch pressure station 1 structure of this device is simple, failure rate is low, synchronization accuracy are high, upper punch 412 and the motion of low punch 422 high-precise synchronization is realized through the drive of S piston 22 and X piston 32 by branch pressure station 1, synchronization accuracy can reach ± and 0.005 millimeter, meet the extruded requirement of hydraulic synchronization motion, and reduce cost, improve synchronization accuracy, eliminate bad waste product.
Claims (1)
1. an extrusion forming device for hydraulic synchronization motion, comprises branch pressure station (1), S oil cylinder (2), X oil cylinder (3), extrusion molding dies (4), is characterized in that: described branch pressure station (1) is by pressure station cylinder body (11), master cylinder (111), upper point cylinder (112), under divide cylinder (113), master cylinder interface (114), upper point cylinder interface (115), under divide cylinder interface (116), main piston (12), upper point piston (121), under divide piston (122) to form, wherein, described pressure station cylinder body (11) is the airtight steel housing member of hollow cylindrical, the inside chamber of pressure station cylinder body (11) is called cylinder chamber, the left part in described cylinder chamber is provided with the master cylinder (111) of heavy caliber cylinder tube chamber shape, the right part in described cylinder chamber is provided with two and is parallel to each other and upper point cylinder (112) and the lower point of cylinder (113) of independently small-bore cylinder tube chamber shape, described upper point cylinder (112) is identical with the bore volume of lower point of cylinder (113), above divides the left opening's edge of cylinder (112) and lower point of cylinder (113) to communicate with described master cylinder (111), the lower left quarter casing wall place of described master cylinder (111) be provided with press that the outside of cylinder body (11) of standing communicates, for being connected the master cylinder interface (114) of hydraulic circuit, the center of the right side casing wall of described upper point of cylinder (112) be provided with press that the outside of cylinder body (11) of standing communicates, for being connected upper point cylinder interface (115) of hydraulic circuit, the center of the right side casing wall of described lower point cylinder (113) be provided with press that the outside of cylinder body (11) of standing communicates, for being connected lower point of cylinder interface (116) of hydraulic circuit, described master cylinder (111), above divide the inside of cylinder (112) and lower point of cylinder (113) respectively corresponding slide be provided with steel columniform, with sealing ring main piston (12), above divide piston (121) and lower point of piston (122), the described upper piston (121) that divides is identical with the volume of lower point of piston (122),
Described S oil cylinder (2) is the hydraulically extensible executive component be made up of S cylinder body (21) and S piston (22), described S cylinder body (21) is provided with flange connector for upper and lower two ends, the steel housing member of hollow cylindrical, the center of the lower end flange connector of S cylinder body (21) is provided with manhole and is called S stick harness hole, the top of the internal chamber of S cylinder body (21) left side wall be provided with through top flange connector communicates with outside, passage for connecting hydraulic circuit is called upper oil duct, the outer opening's edge place of described upper oil duct is provided with interface and is called that S extrudes interface (212), the top of the internal chamber of S cylinder body (21) right side wall be also provided with through top flange connector communicates with outside, passage for adjusting oil mass is called Shang Guo road, the outer opening's edge place in described Shang Guo road is provided with stop valve and is called S stop valve (211), the lower right side-walls of the internal chamber of S cylinder body (21) be provided with communicate with outside, be called S reseting interface (213) for the interface being connected hydraulic circuit, slide in S cylinder body (21) be provided with steel columniform, be called S piston (22) with the piston of sealing ring, the lower slide of described S piston (22) is arranged in described S stick harness hole, below S piston (22), center is provided with upwards groove that is recessed, up-small and down-big, cylinder tube chamber step and is called S resettlement groove, slide successively from top to bottom in described S resettlement groove and be provided with columniform elastomer and be called S elastomer (222), be called S cushion block (221) with the cushion block be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described S cushion block (221) is less than the degree of depth of the large step groove of bottom in described S resettlement groove,
Described X oil cylinder (3) is the hydraulically extensible executive component be made up of X cylinder body (31) and X piston (32), described X cylinder body (31) is provided with flange connector for upper and lower two ends, the steel housing member of hollow cylindrical, the center of the upper end flange connector of X cylinder body (31) is provided with manhole and is called X stick harness hole, the bottom of the internal chamber of X cylinder body (31) left side wall be provided with through bottom flange connector communicates with outside, passage for connecting hydraulic circuit is called lower oil duct, the outer opening's edge place of described lower oil duct is provided with interface and is called that X extrudes interface (312), the bottom of the internal chamber of X cylinder body (31) right side wall be also provided with through bottom flange connector communicates with outside, passage for adjusting oil mass is called Xia Guo road, the outer opening's edge place in described Xia Guo road is provided with stop valve and is called X stop valve (311), the upper right wall place of the internal chamber of X cylinder body (31) be provided with communicate with outside, be called X reseting interface (313) for the interface being connected hydraulic circuit, slide in X cylinder body (31) be provided with steel columniform, be called X piston (32) with the piston of sealing ring, slide and be arranged in described X stick harness hole in the top of described X piston (32), the center above of X piston (32) is provided with groove that is recessed down, up big and down small, cylinder tube chamber shape and is called X resettlement groove, slide successively from bottom to top in described X resettlement groove and be provided with columniform elastomer and be called X elastomer (322), and the X cushion block (321) be made up of the cylindrical bloom of upper and lower two pieces of superpositions, the thickness up and down of described X cushion block (321) is less than the degree of depth of the large step groove of described X resettlement groove internal upper part, the bore of the inner chamber of described X cylinder body (31) is identical with volume with the bore of the inner chamber of described S cylinder body (21) with volume, and the diameter of described X piston (32) is identical with volume with the diameter of described S piston (22) with volume,
Described extrusion molding dies (4) is the die device be made up of patrix (41) and counterdie (42), described patrix (41) is the component of the rectangular block shape steel being provided with flange connector above, below patrix (41), center is provided with the upwards recessed upper impression (411) matched with the slit bamboo or chopped wood shape face, top half of goods, and the center of described upper impression (411) is provided with circular through hole and is called nib; Described counterdie (42) is the component of the rectangular block shape steel being provided with flange connector below, the center above of counterdie (42) is provided with the lower impressions (421) recessed down matched with the slit bamboo or chopped wood shape face, bottom half of goods, and the center of described lower impressions (421) is provided with circular through hole and is called lower nib;
Patrix (41) is positioned at the top of counterdie (42), contact below patrix (41) with above counterdie (42), the upper impression (411) of described patrix (41) accords with corresponding conjunction of lower impressions (421) of described counterdie (42), accords with the chamber surrounded be called model by upper impression (411) and lower impressions (421) conjunction; Be fixedly connected with below S oil cylinder (2) with above patrix (41), being fixedly connected with below counterdie (42) above of X oil cylinder (3),
Slide in described upper nib and be provided with the columniform upper punch of steel (412), the upper end of described upper punch (412) is connected with center below described S cushion block (221), slide in described lower nib and be provided with the columniform low punch of steel (422), the lower end of described low punch (422) is connected with the center above of described X cushion block (321); Original state, the lower end of upper punch (412) is positioned at the top of described upper nib, and the upper end of low punch (422) is positioned at the bottom of described lower nib;
The described master cylinder interface (114) of branch pressure station (1) is connected with controlled hydraulic source by oil pipe, the described S reseting interface (213) of S oil cylinder (2) and the described X reseting interface (313) of X oil cylinder (3) are by oil pipe and connect and be connected with controlled hydraulic source, a described upper point cylinder interface (115) for branch pressure station (1) extrudes interface (212) by oil pipe with the described S of S oil cylinder (2) and is connected, and described lower point of cylinder interface (116) of branch pressure station (1) extrudes interface (312) by oil pipe with the described X of X oil cylinder (3) and be connected;
During application, being connected with the movable table of hydraulic press above of S oil cylinder (2), X oil cylinder is connected with the stationary work-table of hydraulic press below (3).
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| CN103128120B true CN103128120B (en) | 2014-12-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3133458A (en) * | 1962-07-31 | 1964-05-19 | Burgess Norton Mfg Co | Extruding apparatus |
| DE19644999C1 (en) * | 1996-10-30 | 1998-08-13 | Schulz Gmbh Wilhelm | Process for manufacturing internally clad metal pipes |
| DE10123745C2 (en) * | 2001-05-11 | 2003-07-03 | Hatebur Umformmaschinen Ag Rei | Hydraulic-mechanical locking device, preferably for cross extrusion |
| CN2660195Y (en) * | 2003-06-30 | 2004-12-01 | 张家港市合丰机械制造有限公司 | Synchronous work controller of hydraulic cylinder |
| CN1290690C (en) * | 2004-02-23 | 2006-12-20 | 吉林大学 | Regulatable hydraulic machine with up and down both double moving |
| CN102303060A (en) * | 2011-09-23 | 2012-01-04 | 安徽工业大学 | Precision extrusion forming method for clutch disc hub |
| CN203076355U (en) * | 2013-01-31 | 2013-07-24 | 宁波佳比佳工贸有限公司 | Hydraulic synchronous moving extrusion forming device |
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