CN116422818B - Ring rolling machine die for symmetrical flange forging processing - Google Patents
Ring rolling machine die for symmetrical flange forging processing Download PDFInfo
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- CN116422818B CN116422818B CN202310683804.5A CN202310683804A CN116422818B CN 116422818 B CN116422818 B CN 116422818B CN 202310683804 A CN202310683804 A CN 202310683804A CN 116422818 B CN116422818 B CN 116422818B
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- die
- ring rolling
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- 238000005096 rolling process Methods 0.000 title claims abstract description 77
- 238000005242 forging Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000227 grinding Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The application relates to a ring rolling machine die for flange symmetrical forging processing, which relates to the technical field of ring rolling dies and comprises a die main body, wherein the die main body is in a circular ring shape and coaxially sleeved on a ring rolling shaft, the middle part of the side wall of the die main body is provided with an annular forming groove, and the middle part of the bottom of the forming groove is fixedly connected with an annular chamfer edge; the middle measuring assembly is arranged on one side of the die main body and is used for measuring the error of the distance between the chamfer edge and the two end faces of the flange blank; the centering assembly is arranged between the die main body and the ring rolling shaft and is used for being matched with the centering assembly to enable the chamfering edges to be positioned at the middle positions of the two end faces of the flange blank. The application has the effect of improving the working efficiency of the ring rolling mill.
Description
Technical Field
The application relates to the technical field of ring rolling dies, in particular to a ring rolling machine die for symmetrical flange forging processing.
Background
Flanges are parts of the shaft-to-shaft connection and are also used for the connection between the pipe ends. The flange is produced by forging, namely, the flange blank is hammered into a circular ring shape, and then the circular ring-shaped flange blank is further rolled and molded by a ring rolling machine.
The ring rolling machine rolls the ring of the annular flange blank through the ring rolling shaft and the main shaft, and the ring rolling shaft gradually approaches the main shaft while rotating in the ring rolling process, so that the annular flange blank is formed into a flange under the rolling action of the ring rolling shaft and the main shaft.
The ring rolling machine can form a flange in the one-time ring rolling process, so that the operation efficiency of the ring rolling machine is low, and the quick production of the flange is not facilitated.
Disclosure of Invention
In order to improve the working efficiency of a ring rolling machine, the application provides a ring rolling machine die for symmetrical flange forging processing.
The application provides a ring rolling machine die for symmetrical flange forging processing, which adopts the following technical scheme:
a ring rolling mill die for symmetrical flange forging processing, comprising:
the die comprises a die main body which is in a circular ring shape and coaxially sleeved on a ring grinding shaft, wherein an annular forming groove is formed in the middle of the side wall of the die main body, and an annular chamfering edge is fixedly connected with the middle of the bottom of the forming groove;
the middle measuring assembly is arranged on one side of the die main body and is used for measuring the error of the distance between the chamfer edge and the two end faces of the flange blank;
the centering assembly is arranged between the die main body and the ring rolling shaft and is used for being matched with the centering assembly to enable the chamfer edges to be located at the middle positions of two end faces of the flange blank.
Through adopting above-mentioned technical scheme, survey the distance error between the two terminal surfaces of the relative flange blank of centre measurement subassembly measurement chamfer arris, centre alignment subassembly removes according to distance error drive mould main part, make the chamfer arris be located the intermediate position of two terminal surfaces of flange blank just, the ring grinding axle drives the mould main part and rotates, the mould main part rolls annular flange blank through shaping groove and chamfer arris, make flange blank can accurately symmetrical shaping out two flanges in the in-process of once ring grinding, then cut the separation with two flanges from the roll position of chamfer arris, thereby easily make flange blank grind out two flanges at ring grinding in-process symmetry through the centering of chamfer arris and chamfer arris, the operating efficiency of ring grinding machine has been improved.
Optionally, survey well subassembly includes measuring stick, angle sensor and measuring motor, the measuring stick angle sensor with measuring motor all is provided with two, and is located respectively the both ends of mould main part one side, the one end of measuring stick with the mould main part is articulated, and initial position with the axis of mould main part is perpendicular, angle sensor fixed connection in the mould main part, and be used for measuring stick pivoted angle signal, measuring motor fixed connection in the mould main part, and the output shaft passes through the articulated shaft of measuring stick with measuring stick fixed connection, measuring motor is used for the drive the measuring stick rotates.
Through adopting above-mentioned technical scheme, measure motor drive measuring stick and rotate towards the direction that is close to the flange blank, until the measuring stick keep away from the one end and the flange blank butt of mould main part, angle sensor measures the angle that the measuring stick rotated, can obtain the error of chamfer arris two terminal surface intermediate positions of flange blank relatively according to the difference of two angle sensor measured values, and then is convenient for make the chamfer arris center.
Optionally, the centering component further comprises a controller, wherein the controller is fixedly connected to the die main body and is respectively and electrically connected with the angle sensor and the centering component, and the controller is used for responding to the angle signal and controlling the centering component to enable the chamfering edges to be located at the middle positions of two end faces of the flange blank.
Through adopting above-mentioned technical scheme, angle sensor will measure angle signal output to the controller, and the controller makes the difference to two angle signals, and the controller is according to the action of difference control centering subassembly, and centering subassembly drive mould main part removes relative ring rolling axle to make the centering of chamfer arris be convenient for go on automatically, improved the degree of automation and the accuracy of centering of chamfer arris centering.
Optionally, the centering assembly includes adjustment sleeve and drive portion, the adjustment sleeve cover is established on the ring rolling axle, and with ring rolling axle threaded connection, the mould main part cover is established on the adjustment sleeve, and with the adjustment sleeve rotates to be connected, drive portion set up in the mould main part, and with the controller electricity is connected, drive portion is used for the drive under the control of controller the adjustment sleeve is relative the mould main part rotates.
Through adopting above-mentioned technical scheme, the controller is according to the action of the differential control drive portion of two angle signals, and the relative mould main part of drive portion drive adjustment sleeve rotates, because adjustment sleeve and ring rolling axle threaded connection, the adjustment sleeve can be relatively when rotating grind the axis direction removal of ring rolling axle to the position that makes the mould main part be convenient for adjust relative ring rolling axle.
Optionally, the drive portion includes centering motor, drive gear and drive ring gear, centering motor fixed connection in the inside centering intracavity of seting up of mould main part, drive gear with the coaxial fixed connection of output shaft of centering motor, drive ring gear coaxial fixed connection in the adjusting sleeve, and with drive gear meshing, centering motor with the controller electricity is connected, the controller is used for controlling according to the difference of angle signal the start-stop and the turning to of centering motor.
Through adopting above-mentioned technical scheme, the controller is according to the difference control centering motor of two angle signals, when the differential is located the settlement within range, the controller control centering motor is in the outage state that stops, when the differential exceeds or is less than the settlement within range, the controller control centering motor is in the switch-on state of start-up, the controller is according to the turning to of the positive negative control centering motor of differential, centering motor drive gear rotates, drive gear drive ring gear rotates, drive ring gear drives the rotation of adjustment sleeve for the drive of adjustment sleeve has realized automaticly.
Optionally, centering motor is provided with a plurality of, and winds the axis direction equipartition setting of mould main part, centering motor is the double-end motor, and two output shafts all wear out the tip of mould main part, centering motor's output shaft with the mould main part rotates to be connected, drive gear be provided with the multiunit, and with centering motor one-to-one, every group drive gear's quantity is two, and coaxial fixed connection respectively in two conveying shafts of centering motor, the drive ring gear is provided with two, and coaxial fixed connection respectively in the both ends of adjustment sleeve, the drive ring gear with all of mould main part one end drive gear all meshes.
By adopting the technical scheme, the centering motor adopts the double-headed motor, so that one centering motor can drive the adjusting sleeve from the two ends of the adjusting sleeve, the driving force of the adjusting sleeve is increased by the centering motor, and the driving stability of the adjusting sleeve is increased; meanwhile, the centering motors are uniformly distributed, so that the dynamic balance of the die main body is not easily affected.
Optionally, be provided with multiunit fixed subassembly on the mould main part, the multiunit fixed subassembly winds the axis direction equipartition of mould main part sets up, fixed subassembly includes fixed block, fixed part and locking part, the fixed block is provided with two, two the fixed block slides respectively set up in two terminal surfaces of mould main part, and the slip direction all be close to or keep away from the direction of milling ring axle, the fixed part includes actuating lever, connecting rod, telescopic link and slider, the actuating lever the connecting rod with the telescopic link all is provided with two, and respectively with fixed block one-to-one, the one end of actuating lever with the fixed block articulates, the connecting rod with the telescopic link all is located the groove of stepping down that the mould main part was seted up, the one end of connecting rod with the one end of fixed block articulates, the other end with telescopic link fixed connection department with the lateral wall of stepping down the groove articulates, the slider slide set up in the mould main part set up and with the fixed slot in the side wall of stepping down, the slider sets up with the two side wall of the side wall of sliding down the fixed spring, the side wall of sliding sleeve sets up in the side of the fixed spring.
Through adopting above-mentioned technical scheme, when the initial rotation of ring rolling axle, ring rolling axle is through the adjusting collar, the drive ring gear, drive gear and centering motor drive mould main part rotate, after the mould main part rotates, under the effect of centrifugal force, the slider slides towards the direction of keeping away from ring rolling axle, slider drive telescopic link swing, the telescopic link stretches out, and drive the connecting rod swing, connecting rod drive actuating lever swing, the actuating lever promotes the fixed block and slides, make fixed block and ring rolling axle closely butt, thereby with the help of mould main part pivoted centrifugal force, make the fixed block be convenient for press from both sides tight ring rolling axle when the mould main part rotates, and when the rotational speed of mould main part increases, the slider slides the distance of ring rolling axle also increases, the clamping force of fixed block to ring rolling axle also increases simultaneously, thereby make ring rolling axle and mould main part easily keep fixed state in ring rolling in-process.
Optionally, the locking part is provided with two, and is located respectively the both sides of slider, the locking part includes latch bar and locking spring, the latch bar slide set up in the locking groove, locking spring fixed connection in the latch bar with between the tank bottom in locking groove, and be used for driving the latch bar towards being close to the direction of slider slides, the latch bar with one side that the slider is close to each other passes through the saw tooth joint.
Through adopting above-mentioned technical scheme, at the slider in-process that rolls the ring axle that slides away, the slider promotes the latch bar through the sawtooth circulation and slides into the locking groove, and the latch bar is through sawtooth restriction slider towards being close to the direction slip of rolls the ring axle after the slider slides for the position after the slider drive fixed block slides is easily kept, thereby makes the clamping force of fixed block to rolls the ring axle easily keep.
Optionally, the fixed subassembly with centering motor one-to-one, the tank bottom fixedly connected with electro-magnet of locking groove, the lockbar adopts ferromagnetic material to make, the electro-magnet with corresponding centering motor electricity is connected, the on-off state of electro-magnet is unanimous with the on-off state of corresponding centering motor.
By adopting the technical scheme, when the centering motor is electrified, the electromagnet is electrified, and the electromagnet adsorbs the locking bar into the locking groove through magnetic force, so that the locking bar releases the limit of the sliding block; when the centering motor is powered off, the electromagnet releases the magnetic attraction force to the locking bar, so that the locking bar recovers the limit capability to the sliding block, and accordingly the locking bar is difficult to limit the sliding block when the centering motor drives the adjusting sleeve to rotate and can limit the sliding block when the centering motor stops driving the adjusting sleeve through the consistency of the electromagnet and the centering motor.
Optionally, the fixed subassembly still includes compresses tightly the portion, compress tightly the portion including compressing tightly bag and oil pipe, the adjusting collar with leave the interval between the mould main part, compress tightly the bag and adopt elastic material to make, and be located the adjusting collar with between the mould main part, compress tightly the bag with mould main part fixed connection, oil pipe is provided with two, and with two telescopic link one-to-one, oil pipe is fixed wears to establish in the mould main part, and both ends respectively with compress tightly the bag with the telescopic link is close to the one end intercommunication of expansion link, compress tightly the bag with the telescopic link is close to the one end of expansion link and has the compression medium through oil pipe flow.
Through adopting above-mentioned technical scheme, when slider drive telescopic link swing, the expansion end of telescopic link can stretch out, and the expansion end of telescopic link can be with compressing tightly the medium extrusion to compress tightly in the bag, compresses tightly the medium and is full of and compress tightly the bag, and makes to compress tightly the bag inflation, compresses tightly the tight butt of bag and adjusting collar for when the fixed block presss from both sides tight ring rolling axle, compress tightly the bag and can support tight adjusting collar, make mould main part, adjusting collar and ring rolling axle easily form a whole, thereby make mould main part to the ring rolling effect of flange blank more easily stable.
In summary, the present application includes at least one of the following beneficial technical effects:
the middle measuring assembly is matched with the centering assembly, so that the chamfer edges are easy to be positioned at the middle positions of the two end faces of the flange blank, the die main body is convenient to grind two flanges in a symmetrical mode in one ring grinding process through the forming groove and the chamfer edges, and the operation efficiency of the ring grinding machine is improved;
the adjusting sleeve is driven to rotate by the centering motor, the driving gear and the driving gear ring, so that the positions of the die main body and the ring grinding shaft are convenient to adjust;
the slider drives the fixed block under the effect of centrifugal force and supports tightly grinds the ring shaft for the fixed convenience of mould main part and ring shaft, and the fixed force that makes mould main part and ring shaft easily follows the rotational speed of ring shaft and adjust.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
fig. 2 is a cross-sectional view intended to illustrate the centering assembly and the securing assembly.
Reference numerals illustrate:
1. a mold body; 11. a forming groove; 12. chamfering edges; 13. a centering chamber; 14. a relief groove; 15. a fixed cavity; 16. a locking groove; 2. a centering component; 21. a measuring rod; 22. an angle sensor; 23. measuring a motor; 24. a controller; 3. centering components; 31. an adjusting sleeve; 32. a driving section; 321. centering the motor; 322. a drive gear; 323. driving the gear ring; 4. a fixing assembly; 41. a fixed block; 411. a rubber block; 42. a fixing part; 421. a driving rod; 422. a connecting rod; 423. a telescopic rod; 424. a slide block; 4241. a return spring; 43. a locking part; 431. a locking bar; 432. a locking spring; 433. an electromagnet; 44. a pressing part; 441. a compacting bag; 442. and (5) an oil pipe.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a ring rolling machine die for symmetrical flange forging processing. Referring to fig. 1, a ring rolling machine die for flange symmetrical forging processing comprises a die body 1 sleeved on a ring rolling shaft, a centering component 2 arranged on the die body 1 and used for measuring the relative position of the die body 1 and a flange blank, a centering component 3 used for adjusting the relative position of the die body 1 relative to the ring rolling shaft in cooperation with the centering component 2, and a fixing component 4 arranged on the die body 1 and used for fixing the die body 1 and the ring rolling shaft.
When the ring rolling machine is used, the die body 1 is sleeved on the ring rolling shaft, the centering component 2 measures the relative position of the die body 1 and the flange blank, the centering component 3 drives the die body 1 to move relative to the ring rolling shaft according to the measured value of the centering component 2, the middle position of the die body 1 is opposite to the middle position of the flange blank, the fixing component 4 fixes the die body 1 and the ring rolling shaft, the die body 1 symmetrically rolls the flange blank to form two flanges, and therefore the ring rolling machine is easy to roll to form two flanges in one ring rolling operation process, and the operation efficiency of the ring rolling machine is improved.
Referring to fig. 1, a mold body 1 is in a circular cylindrical shape and is coaxially sleeved on a ring rolling shaft. The middle part of the outer side wall of the die body 1 is provided with a circular annular forming groove 11, the forming groove 11 and the die body 1 are coaxially arranged, the forming groove 11 is of a symmetrical structure, the symmetrical plane is a middle section of the axis direction of the die body 1, and two symmetrical parts of the forming groove 11 are matched with the outer side wall of the flange.
The middle part of the bottom of the forming groove 11 is fixedly connected with a circular chamfering edge 12, the chamfering edge 12 and the forming groove 11 are coaxially arranged, and the section along the extending direction is triangular.
The middle measuring component 2 comprises a measuring rod 21, an angle sensor 22, a measuring motor 23 and a controller 24, wherein the measuring rod 21, the angle sensor 22 and the measuring motor 23 are respectively arranged at two ends of one side of the die body 1, the measuring rod 21 is in a rectangular rod shape, one end of the length direction is hinged to the edge of the end face of the die body 1, the initial position of the measuring rod 21 is perpendicular to the axis of the die body 1, and the measuring rod is positioned on an extension line of the diameter of the die body 1.
The angle sensor 22 is located at one side of the hinge of the measuring rod 21 and is fixedly connected to the mold body 1, and the angle sensor 22 is used for measuring an angle signal of rotation of the measuring rod 21. The measuring motor 23 is located one side of the hinge of the measuring rod 21 far away from the angle sensor 22 and is fixedly connected to the die main body 1, an output shaft of the measuring motor 23 is coaxially arranged with a hinge shaft of the measuring rod 21, and an output shaft of the measuring motor 23 is fixedly connected with the measuring rod 21 through the hinge shaft of the measuring rod 21.
The controller 24 is fixedly connected to one of the end surfaces of the die body 1, which is far away from the measuring rod 21, and is electrically connected with the angle sensor 22, and the controller 24 responds to the angle signal and is used for controlling the centering assembly 3 to enable the chamfering edge 12 to be positioned at the middle position of the two end surfaces of the flange blank.
When the measuring motor 23 is started during use, the measuring motor 23 drives the measuring rod 21 to rotate towards the direction close to the end face of the flange blank until one end, away from the die body 1, of the measuring rod 21 is abutted against the end face of the flange blank, the angle sensor 22 measures angle signals transmitted by the measuring rod 21 and outputs the angle signals to the controller 24, the controller 24 makes difference on the angle signals of the two angle sensors 22, and the centering assembly 3 is controlled according to the difference value to adjust the position of the die body 1 relative to the ring grinding shaft, so that the chamfering edge 12 is positioned at the middle position of the two end faces of the flange blank, two flanges can be symmetrically ground through the forming groove 11 and the chamfering edge 12, and the operating efficiency of the ring grinding machine is improved.
Referring to fig. 2, the centering assembly 3 includes an adjusting sleeve 31 and a driving part 32, the adjusting sleeve 31 is in a circular tube shape, and is sleeved on the ring rolling shaft, the adjusting sleeve 31 is adapted to the ring rolling shaft, and is in threaded connection with the ring rolling shaft, and the die main body 1 is sleeved on the adjusting sleeve 31 and is rotatably connected with the adjusting sleeve 31.
The drive part 32 includes centering motor 321, drive gear 322 and drive ring gear 323, centering motor 321 is provided with a plurality of, a plurality of rectangular centering chamber 13 have been seted up around the axis direction equipartition in the middle part of mould main part 1, centering motor 321 and centering chamber 13 one-to-one, and fixed the setting in centering chamber 13, centering motor 321 is the double-end motor, and the axis direction is parallel with the axis direction of mould main part 1, two output shafts of centering motor 321 wear out respectively the both ends of mould main part 1, and all rotate with mould main part 1 and be connected, centering motor 321 is connected with the controller 24 electricity, the controller 24 is used for stopping and turning to according to the difference control centering motor 321 of angle signal.
The driving gears 322 are provided with a plurality of groups, and are in one-to-one correspondence with the centering motors 321, the number of the driving gears 322 in each group is two, and the two driving gears 322 are respectively and coaxially fixedly connected with two output shafts of the centering motors 321. The driving gear rings 323 are arranged at two ends of the adjusting sleeve 31 in the axial direction, and the driving gear rings 323 are fixedly connected with the adjusting sleeve 31 in a coaxial manner and meshed with all driving gears 322 at the end part of the die body 1 where the driving gear rings 323 are arranged.
When the automatic adjusting device is used, the controller 24 controls the centering motor 321 to start, and controls the steering of the centering motor 321 according to the positive and negative of the difference value, the centering motor 321 drives the driving gear 322 to rotate, the driving gear 322 drives the driving gear ring 323 to rotate, the driving gear ring 323 drives the adjusting sleeve 31 to rotate, the adjusting sleeve 31 rotates relative to the ring rolling shaft through threaded connection, and moves relative to the ring rolling shaft in the rotating process, so that the positions of the die main body 1 and the ring rolling shaft are convenient to automatically adjust.
Referring to fig. 2, the die body 1 is uniformly provided with a plurality of relief grooves 14 and a plurality of fixing cavities 15 around the axis direction, the number of the relief grooves 14 is identical to that of the centering cavities 13, the relief grooves 14 and the centering cavities 13 are arranged in a staggered manner, the relief grooves 14 are rectangular and penetrate through two end surfaces of the die body 1, and the length direction of the relief grooves 14 is parallel to the axis direction of the die body 1; the fixed cavities 15 are in one-to-one correspondence with the abdication grooves 14, are positioned in the middle of one side of the abdication grooves 14 away from the adjusting sleeve 31, the fixed cavities 15 are rectangular, one end, close to the abdication grooves 14, are communicated with the abdication grooves 14, and the length direction of the fixed cavities 15 is the same as the diameter direction of the die main body 1.
The two side walls of the fixed cavity 15, which are close to the two ends of the die main body 1, are respectively provided with a locking groove 16, the locking grooves 16 are rectangular, the length direction is the same as the length direction of the fixed cavity 15, and one end of the locking groove 16, which is close to the abdicating groove 14, is communicated with the abdicating groove 14.
The fixed subassembly 4 is provided with the multiunit, and with the groove 14 and centering motor 321 homogeneous one corresponds, fixed subassembly 4 includes fixed block 41, fixed part 42, locking part 43 and hold-down part 44, fixed block 41 is provided with two, and slide respectively and set up on two terminal surfaces of mould main part 1, the slip direction of fixed block 41 is the diameter direction of mould main part 1, fixed block 41 is located the one side that the groove 14 is close to adjusting collar 31 of stepping down, fixed block 41 is rectangular block, and is close to one side fixedly connected with that is rectangular block's of adjusting collar 31 rubber piece 411.
The fixing part 42 comprises a driving rod 421, a connecting rod 422, a telescopic rod 423 and a sliding block 424, wherein the driving rod 421, the connecting rod 422 and the telescopic rod 423 are respectively provided with two driving rods 421 and 423 and are respectively in one-to-one correspondence with the fixing blocks 41, the driving rod 421 is in a long rod shape, and one end in the length direction is hinged with one side, far away from the rubber block 411, of the fixing block 41; the connecting rod 422 is in a long rod shape and is positioned in the abdication groove 14, and one end of the connecting rod 422 in the length direction is hinged with one end of the driving rod 421 away from the fixed block 41.
The telescopic rod 423 is located in the abdication groove 14 and is fixedly connected with one end of the connecting rod 422 far away from the driving rod 421, the telescopic direction of the telescopic rod 423 is the same as the length direction of the connecting rod 422, and the fixed connection part of the telescopic rod 423 and the connecting rod 422 is hinged with the side wall of the abdication groove 14.
The sliding block 424 is rectangular and is arranged in the fixed cavity 15 in a sliding manner, the sliding direction of the sliding block 424 is the same as the length direction of the fixed cavity 15, and two sides of one end of the sliding block 424, which is close to the adjusting sleeve 31, are respectively hinged with the movable ends of the two telescopic rods 423. The end of the slider 424 away from the adjusting sleeve 31 is fixedly connected with a return spring 4241, the end of the return spring 4241 away from the slider 424 is fixedly connected with the side wall of the fixed cavity 15, and the return spring 4241 is used for driving the slider 424 to slide towards the direction close to the adjusting sleeve 31.
During the use, grind ring axle drive mould main part 1 rotation, mould main part 1 makes slider 424 slide off adjusting collar 31 through centrifugal force in the rotation in-process, slider 424 drive telescopic link 423 swing, telescopic link 423 drives connecting rod 422 swing, connecting rod drive lever 421 swing, drive lever 421 promotes fixed block 41 and slides, fixed block 41 drives rubber block 411 extrusion on the ring axle to the clamp of ring axle is rolled through a plurality of fixed blocks 41, makes the ring axle be convenient for drive mould main part 1 in step and rotates when rotating.
Referring to fig. 2, the locking part 43 is provided with two locking grooves 16 respectively located at two sides of the fixing cavity 15, the locking part 43 comprises a locking bar 431, a locking spring 432 and an electromagnet 433, the locking bar 431 is rectangular and is slidably arranged in the locking groove 16, the length direction of the locking bar 431 is identical to the length direction of the locking groove 16, the sliding direction is parallel to the axis direction of the mold main body 1, the locking bar 431 is made of ferromagnetic materials, and one side, close to each other, of the locking bar 431 and the sliding block 424 is clamped by a saw tooth.
The locking spring 432 is fixedly connected to one side of the locking bar 431 away from the slider 424, and one end of the locking bar 431 away from the slider 424 is fixedly connected to the bottom of the locking groove 16, where the locking spring 432 is used to drive the locking bar 431 to slide in a direction approaching to the slider 424. The electromagnet 433 is located at one side of the locking spring 432 and is fixedly connected with the bottom of the locking groove 16, the electromagnet 433 is electrically connected with the corresponding centering motor 321, the on-off state of the electromagnet 433 is consistent with the on-off state of the corresponding centering motor 321, when the centering motor 321 is electrified, the electromagnet 433 is electrified, and when the centering motor 321 is powered off, the electromagnet 433 is powered off.
When the roller ring clamping device is used, the sliding block 424 slides over the locking bar 431 through the saw teeth in the sliding process, the reset spring 4241 accumulates elastic force, and when the sliding block 424 stops sliding, the locking bar 431 limits the sliding block 424 to slide towards the direction close to the adjusting sleeve 31 through the saw teeth, so that the position of the sliding block 424 is convenient to fix, and the clamping of the fixed block 41 on the roller ring shaft is easy to stabilize; when the centering motor 321 is started, the electromagnet 433 is also electrified, the electromagnet 433 adsorbs the locking bar 431 into the locking groove 16, the locking spring 432 accumulates elastic force, the limitation of the locking bar 431 on the position of the sliding block 424 is released, the sliding block 424 slides to the adjusting sleeve 31 under the action of the elastic force of the return spring 4241, and meanwhile, the extrusion force of the fixed block 41 on the ring grinding shaft is released, so that the sliding block 424 is convenient to be matched with the centering motor 321 for automatic reset.
Referring to fig. 2, the compressing portion 44 includes a compressing bag 441 and an oil pipe 442, a space is reserved between the adjusting sleeve 31 and the mold main body 1, the compressing bag 441 is rectangular in bags and is curved in an arc shape, the radian of the compressing bag 441 is matched with the inner side wall of the mold main body 1, the compressing bag 441 is located between the adjusting sleeve 31 and the mold main body 1 and is fixedly connected with the mold main body 1, and the compressing bag 441 is made of elastic materials.
The oil pipe 442 is provided with two, and with two telescopic links 423 one-to-one, and oil pipe 442 is fixed wears to locate mould main part 1, and both ends communicate with the one end that compresses tightly bag 441 and telescopic link 423 are close to the live end respectively, and the space between one end that telescopic link 423 is close to the live end and the live end is in sealed state, compresses tightly the bag 441 and the telescopic link 423 and is close to the live end between the one end that the oil pipe 442 flows and has the compression medium. In the present application, the compacting medium is air.
When in use, when the sliding block 424 drives the telescopic rod 423 to swing, the movable end of the telescopic rod 423 stretches out, the compressing medium is extruded into the compressing bag 441, the compressing bag 441 expands under the action of the compressing medium, the compressing bag 441 is tightly abutted on the adjusting sleeve 31, the adjusting sleeve 31 is fixed with the die main body 1, so that the die main body 1 is easy to form a whole when rotating, and the die main body 1 is easy to be in a stable state when grinding rings.
The implementation principle of the ring rolling machine die for symmetrical flange forging processing provided by the embodiment of the application is as follows: when the chamfering machine is used, the measuring motor 23 is started, the measuring motor 23 drives the measuring rod 21 to abut against the end faces of flange blanks, the angle sensor 22 measures the rotating angle of the measuring rod 21 and outputs an angle signal to the controller 24, the controller 24 controls the centering motor 321 to start and turn according to the difference value of the two angle signals, the centering motor 321 drives the adjusting sleeve 31 to move on the ring rolling shaft through the driving gear 322 and the driving gear ring 323, the chamfering rib 12 is located at the middle position of the two end faces of the flange blanks, the ring rolling shaft drives the die body 1 to rotate, the die body 1 drives the sliding block 424 to slide through centrifugal force, the locking strip 431 fixes the sliding position of the sliding block 424, the sliding block 424 pushes the rubber block 411 on the fixing block 41 to squeeze on the ring rolling shaft through the telescopic rod 423, the connecting rod 422 and the driving rod 421, the movable end of the telescopic rod 423 synchronously squeezes a compacting medium into the compacting bag 441, the compacting bag 441 abuts against the adjusting sleeve 31, the die body 1 and the ring rolling shaft form a whole, the die body 1 is manufactured into two flanges at one time through the forming groove 11 and the rib 12, and accordingly the operation efficiency of the chamfering machine is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. Ring rolling machine die for flange symmetrical forging processing is characterized by comprising:
the die comprises a die main body (1) which is annular and coaxially sleeved on a ring rolling shaft, wherein an annular forming groove (11) is formed in the middle of the side wall of the die main body (1), and an annular chamfering edge (12) is fixedly connected with the middle of the bottom of the forming groove (11);
the middle measuring component (2) is arranged on one side of the die main body (1) and is used for measuring the error of the distance between the chamfer edge (12) and the two end faces of the flange blank;
the centering component (3) is arranged between the die main body (1) and the ring rolling shaft and is used for being matched with the centering component (2) to enable the chamfering edges (12) to be positioned at the middle positions of two end faces of the flange blank;
the middle measuring assembly (2) comprises a measuring rod (21), an angle sensor (22) and a measuring motor (23), wherein the measuring rod (21), the angle sensor (22) and the measuring motor (23) are respectively arranged at two ends of one side of the die main body (1), one end of the measuring rod (21) is hinged with the die main body (1), the initial position of the measuring rod is perpendicular to the axis of the die main body (1), the angle sensor (22) is fixedly connected with the die main body (1) and is used for measuring an angle signal of rotation of the measuring rod (21), the measuring motor (23) is fixedly connected with the die main body (1), an output shaft is fixedly connected with the measuring rod (21) through a hinge shaft of the measuring rod (21), and the measuring motor (23) is used for driving the measuring rod (21) to rotate.
The centering assembly (2) further comprises a controller (24), wherein the controller (24) is fixedly connected to the die main body (1) and is respectively and electrically connected with the angle sensor (22) and the centering assembly (3), and the controller (24) responds to an angle signal and is used for controlling the centering assembly (3) to enable the chamfering edges (12) to be positioned at the middle positions of two end faces of a flange blank;
the centering assembly (3) comprises an adjusting sleeve (31) and a driving part (32), the adjusting sleeve (31) is sleeved on a ring rolling shaft and is in threaded connection with the ring rolling shaft, the die main body (1) is sleeved on the adjusting sleeve (31) and is rotationally connected with the adjusting sleeve (31), the driving part (32) is arranged on the die main body (1) and is electrically connected with the controller (24), and the driving part (32) is used for driving the adjusting sleeve (31) to rotate relative to the die main body (1) under the control of the controller (24);
the driving part (32) comprises a centering motor (321), a driving gear (322) and a driving gear ring (323), wherein the centering motor (321) is fixedly connected in a centering cavity (13) formed in the die body (1), the driving gear (322) is fixedly connected with an output shaft of the centering motor (321) in a coaxial mode, the driving gear ring (323) is fixedly connected with the adjusting sleeve (31) in a coaxial mode and meshed with the driving gear (322), the centering motor (321) is electrically connected with the controller (24), and the controller (24) is used for controlling the starting, stopping and steering of the centering motor (321) according to the difference value of angle signals.
2. The ring rolling machine die for flange symmetrical forging processing according to claim 1, wherein the centering motors (321) are provided in a plurality, and are uniformly distributed around the axial direction of the die main body (1), the centering motors (321) are double-headed motors, two output shafts penetrate out of the end parts of the die main body (1), the output shafts of the centering motors (321) are rotationally connected with the die main body (1), the driving gears (322) are provided with a plurality of groups, and are in one-to-one correspondence with the centering motors (321), the number of the driving gears (322) in each group is two, and the driving gears (323) are respectively and fixedly connected with two conveying shafts of the centering motors (321), the driving gears (323) are respectively and coaxially connected with two ends of the adjusting sleeve (31), and the driving gears (323) are meshed with all the driving gears (322) at one end of the die main body (1).
3. The flange symmetrical ring rolling mill die for forging processing according to claim 2, wherein a plurality of groups of fixing components (4) are arranged on the die main body (1), the plurality of groups of fixing components (4) are uniformly distributed around the axis direction of the die main body (1), the fixing components (4) comprise fixing blocks (41), fixing parts (42) and locking parts (43), the fixing blocks (41) are provided with two fixing blocks (41), the two fixing blocks (41) are respectively arranged on two end faces of the die main body (1) in a sliding mode, the sliding directions are directions close to or far from a ring rolling shaft, the fixing parts (42) comprise driving rods (421), connecting rods (422), telescopic rods (423) and sliding blocks (424), the driving rods (421), the connecting rods (422) and the telescopic rods (423) are respectively arranged in two, one ends of the driving rods (421) are hinged with the fixing blocks (41), the connecting rods (422) and the other ends of the connecting rods (422) are respectively arranged in the die main body (1) and are far from one ends of the connecting rods (422) which are hinged with one ends of the fixing rods (14), the connecting rod (422) with the fixed connection department of telescopic link (423) with the lateral wall in groove (14) of stepping down articulates, slider (424) slip set up in fixed chamber (15) that mould main part (1) offered and with groove (14) intercommunication of stepping down, the both sides of slider (424) respectively with two the expansion end of telescopic link (423) articulates, slider (424) with fixedly connected with reset spring (4241) between the lateral wall in fixed chamber (15), reset spring (4241) are used for driving slider (424) towards being close to direction slip of adjustment sleeve (31), locking portion (43) set up in locking groove (16) that mould main part (1) offered, and be used for fixing slider (424).
4. A ring rolling machine die for flange symmetrical forging processing according to claim 3, wherein two locking parts (43) are provided and are respectively located at two sides of the sliding block (424), the locking parts (43) comprise locking bars (431) and locking springs (432), the locking bars (431) are slidably arranged in the locking grooves (16), the locking springs (432) are fixedly connected between the locking bars (431) and the bottoms of the locking grooves (16), and are used for driving the locking bars (431) to slide towards a direction approaching to the sliding block (424), and one sides of the locking bars (431) and the sliding block (424) approaching to each other are clamped through saw teeth.
5. The ring rolling machine die for flange symmetrical forging processing according to claim 4, wherein the fixing assembly (4) corresponds to the centering motors (321) one by one, an electromagnet (433) is fixedly connected to the bottom of the locking groove (16), the locking strip (431) is made of ferromagnetic materials, the electromagnet (433) is electrically connected with the corresponding centering motor (321), and the on-off state of the electromagnet (433) is consistent with the on-off state of the corresponding centering motor (321).
6. A flange symmetrical ring rolling mill die for forging processing according to claim 3, wherein the fixing assembly (4) further comprises a pressing portion (44), the pressing portion (44) comprises a pressing bag (441) and an oil pipe (442), a space is reserved between the adjusting sleeve (31) and the die main body (1), the pressing bag (441) is made of elastic materials and is located between the adjusting sleeve (31) and the die main body (1), the pressing bag (441) is fixedly connected with the die main body (1), the oil pipe (442) is provided with two telescopic rods (423) in one-to-one correspondence, the oil pipe (442) is fixedly arranged on the die main body (1) in a penetrating mode, two ends of the oil pipe (442) are respectively communicated with one ends of the pressing bag (441) and one ends of the telescopic rods (423) close to the movable ends, and one ends of the pressing bag (441) and the telescopic rods (423) close to the movable ends are provided with pressing media through the oil pipe (442).
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| CN202310683804.5A CN116422818B (en) | 2023-06-10 | 2023-06-10 | Ring rolling machine die for symmetrical flange forging processing |
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| CN202310683804.5A CN116422818B (en) | 2023-06-10 | 2023-06-10 | Ring rolling machine die for symmetrical flange forging processing |
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| CN117282899B (en) * | 2023-11-27 | 2024-02-02 | 山西恒冠重工集团有限公司 | Forging and pressing device for flange machining |
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