CN116393635A - Aluminum forging device with adjustable chamfer structure for new energy automobile - Google Patents
Aluminum forging device with adjustable chamfer structure for new energy automobile Download PDFInfo
- Publication number
- CN116393635A CN116393635A CN202310384996.XA CN202310384996A CN116393635A CN 116393635 A CN116393635 A CN 116393635A CN 202310384996 A CN202310384996 A CN 202310384996A CN 116393635 A CN116393635 A CN 116393635A
- Authority
- CN
- China
- Prior art keywords
- forging
- fastening connection
- groove
- forging die
- control console
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005242 forging Methods 0.000 title claims abstract description 230
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- 230000007704 transition Effects 0.000 claims description 37
- 238000007906 compression Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 58
- 230000008569 process Effects 0.000 abstract description 52
- 238000005452 bending Methods 0.000 abstract description 32
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- 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
-
- 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
-
- 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
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
-
- 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
Abstract
The invention discloses an aluminum forging device with an adjustable chamfer structure for a new energy automobile, which relates to the technical field of forging and comprises a hydraulic press, a support column, a control console, an upper forging die, a lower machine table and a conveying assembly, wherein the lower machine table is in fastening connection with the ground, the bottom of the support column is in fastening connection with the lower machine table, the top of the support column is in fastening connection with the hydraulic press, the output end of the hydraulic press is in fastening connection with the control console, the support column penetrates through the control console, the bottom of the control console is in fastening connection with the upper forging die, the lower forging die is in fastening connection with the top of the lower machine table, the conveying assembly is arranged on two sides of the lower machine table, the lower machine table is in fastening connection with the conveying assembly, and a protection unit is arranged inside the control console. According to the invention, the adjusting component decomposes the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging piece, and the stress concentration of forging and pressing of the bending piece is greatly reduced.
Description
Technical Field
The invention relates to the technical field of forging, in particular to an aluminum forging device with an adjustable chamfer structure for a new energy automobile.
Background
Aiming at the forging of the automobile control arm, part of the automobile control arm is forged by adopting aluminum alloy, which belongs to the conventional forging technology, but the existing forging equipment has more defects and cannot meet the use requirements.
The blank bending procedure is needed in the forging process of the automobile control arm, and the stress concentration is easily caused by overlarge single stress in the blank bending process. Conventional forging equipment can select to set up the multistep process to this condition, uses many sets of forging dies, processes the work piece, and this setting has promoted forging cost on the one hand, has reduced forging efficiency on the other hand.
In the forging process, the surface of the high-temperature forging piece can continuously fall off the oxide skin, the forging die and the forging piece are tightly attached all the time in the forging process by conventional forging equipment, the oxide skin falling off the inside of the forging die is difficult to remove, the surface precision of the forging piece can be affected by the accumulation of the oxide skin, the surface is concave, and the conventional forging equipment has no effective treatment means for the phenomenon.
The output pressure of forging equipment during operation is very big, if the falling speed of equipment exceeds the limit value can cause very big potential safety hazard, conventional equipment lacks the safeguard against forging equipment.
Disclosure of Invention
The invention aims to provide an aluminum forging device with an adjustable chamfering structure for a new energy automobile, which aims to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an aluminium forging device for new energy automobile with adjustable chamfer structure, including the hydraulic press, the support column, the control cabinet, go up forging die, lower board, conveying assembly, lower board and ground fastening connection, support column bottom and lower board fastening connection, support column top and hydraulic press fastening connection, the output and the control cabinet fastening connection of hydraulic press, the support column passes from the control cabinet, control cabinet bottom and last forging die fastening connection, lower forging die and lower board top fastening connection, conveying assembly sets up in lower board both sides, lower board and conveying assembly fastening connection, the control cabinet is inside to be provided with the protection unit, protection unit one end and support column fastening connection, protection unit other end and control cabinet fastening connection. Before the conveying assembly conveys the forging blanks to the lower machine table, a worker places the blanks between the upper forging die and the lower forging die, the hydraulic press drives the control console to move downwards along the supporting column, the control console drives the upper forging die to move downwards, and the upper forging die and the lower forging die forge the blanks. According to the invention, the adjusting component decomposes the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging piece, and the stress concentration of forging and pressing of the bending piece is greatly reduced. On the other hand, in the process of forging die change, the forging piece is always in the forging die, forging die switching is not needed, and forging efficiency is greatly improved.
Further, an adjusting component is arranged on the upper forging die and the lower forging die and comprises an upper adjusting block, a lower adjusting block and a moving unit, the upper adjusting block is fixedly connected with the upper forging die, the lower adjusting block is fixedly connected with the lower forging die, and the moving unit is connected with the lower forging die. The blank bending procedure is needed in the forging process of the automobile control arm, and the stress concentration is easily caused by overlarge single stress in the blank bending process. In the processing process of the control arm blank, the bending angle of the cavity can be adjusted by the upper adjusting block and the lower adjusting block, and the bending angle of the control arm blank is gradually adjusted, so that the forging uniformity of the bending position is improved, and the quality of a finished product is improved.
Further, the mobile unit includes fixed cover, movable cover, first embedded groove, second embedded groove, promotes the electric jar, fixed cover and lower forging die sliding connection, and movable cover is articulated with fixed cover, and first embedded groove sets up inside fixed cover, and the second embedded groove sets up inside the movable cover, promotes electric jar and lower forging die fastening connection, promotes the output shaft and the fixed cover fastening connection of electric jar, and lower forging die surface is pressed close to fixed cover bottom, first embedded groove and second embedded groove intercommunication. The blank is placed in first embedded groove, second embedded groove, and the chamfer of fixed cover, movable sleeve downside is laminated with lower adjusting block, goes up the adjusting block and can insert inside first embedded groove, the second embedded groove, forges the blank, goes up the chamfer effect of adjusting block in the blank upside. The side of the upper adjusting block is provided with a step surface which can press the movable sleeve on the inclined table. The movable sleeve passes through different inclined tables in the translation process, the inclination angle between the movable sleeve and the fixed sleeve is gradually increased, and the bending degree of the forging piece is gradually increased.
Further, lower adjusting block includes the hang down platform, transition platform, the hang down platform is provided with the multiunit, multiunit hang down platform is along lower forging die evenly distributed, multiunit hang down platform's inclination increases gradually, hang down platform and lower forging die hookup location are provided with circular chamfer, link to each other through the transition platform between the multiunit hang down platform, go up the adjusting block and be provided with the polylith, the adjusting block is gone up along last forging die evenly distributed on the polylith, go up the adjusting block and be provided with the inclined plane, go up adjusting block position and hang down platform intermediate position one-to-one, it is the same with hang down platform to go up adjusting block inclined plane angle and hang down the platform that corresponds, go up also be provided with circular chamfer between adjusting block inclined plane and the plane. The upper adjusting block and the inclined table form round chamfers respectively, the angle of the chamfers is continuously increased, and the chamfers are changed when the adjustable chamfering device is adjustable. According to the invention, the adjusting component decomposes the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging piece, and the stress concentration of forging and pressing of the bending piece is greatly reduced. On the other hand, in the process of forging die change, the forging piece is always in the forging die, forging die switching is not needed, and forging efficiency is greatly improved.
Further, the inside collection subassembly that is provided with of hang table, transition platform, lower forging die, collection subassembly includes the movable groove, the rack, the gear, the movable block, collect the storehouse, the guide hole, auxiliary unit, the movable groove sets up at the hang table, transition platform inside, the guide hole is provided with the multiunit, multiunit guide hole sets up inside each transition platform, guide hole one end and transition platform upper surface intercommunication, the guide hole other end and movable groove intercommunication, movable block and movable groove sliding connection, the movable block upper end is provided with the trompil, collect the storehouse setting in lower forging die inside, it is provided with pipeline and trompil intercommunication to collect the storehouse entrance, the movable block inside is provided with the rotation motor, output shaft and the gear fastening connection of rotation motor, rack and movable groove fastening connection, gear and rack meshing, auxiliary unit sets up inside the transition platform, auxiliary unit includes auxiliary chamber, flexible electric cylinder, compression gasbag, auxiliary chamber sets up inside the transition platform, flexible electric cylinder and auxiliary chamber fastening connection, compression gasbag one end and flexible electric cylinder's output shaft fastening connection, compression gasbag other end and auxiliary chamber inner wall fastening connection, compression gasbag and intercommunication. In the forging process, the surface of the high-temperature forging piece can continuously fall off the oxide skin, the forging die and the forging piece are tightly attached all the time in the forging process by conventional forging equipment, the oxide skin falling off the inside of the forging die is difficult to remove, the surface precision of the forging piece can be influenced by the accumulation of the oxide skin, and the surface is concave. The special forging die can continuously move in the forging process, when the movable sleeve moves along the transition table, the movable sleeve is not completely attached to the transition table due to the change of the height of the transition table, the movable sleeve can be increased along with the movement inclination angle, the second embedded groove angle is different from the bending angle of the forging, the forging and the first embedded groove are relatively moved, the second embedded groove is not tightly attached, the gap is leaked from the bottom of the second embedded groove, and the oxide skin can obtain the falling gap. At this moment, the input pump pumps air current, and the movable block can be along the rack removal under the drive of rotating motor, when the movable sleeve passes through the transition platform, the movable block also can be moved to this transition platform and collect hole corresponding position, collects the hole and collects the storehouse and switch on, and the oxide skin is collected by the air current, and flexible electric jar can stretch out and draw back repeatedly, and flexible process sets up the clearance, carries out the oxide skin in the clearance in-process and collects, and when flexible process took place, strikes the forging. In the process of gas output, the instantaneous air flow is larger than the air flow of the input pump, the forging is subjected to upward air flow, the forging is jacked up in a small amplitude, and in the process of gas input, the forging impacts the forging die, and the oxide layer is accelerated to fall off. The collecting assembly provided by the invention creates a gap for collecting the oxide scale, and improves the falling-off effect of the oxide scale and the quality of the finished product of the forging piece.
Further, the protection unit includes first folded plate, the second folded plate, supporting spring, annular guide slot, first setting groove, the second sets up the groove, the protection unit is provided with the multiunit, multiunit protection unit is along control cabinet evenly distributed, support column and control cabinet sliding connection, first setting groove embedding is near one side of support column at the control cabinet, the second sets up one side that the support column is close to the control cabinet, first folded plate and the inside upside rotation connection of first setting groove, supporting spring one end and first folded plate bottom fastening connection, supporting spring other end and first setting groove downside fastening connection, annular guide slot and second setting groove fastening connection, second folded plate and annular guide slot sliding connection, one side that annular guide slot is close to the control cabinet is provided with the barrier plate, annular sliding to the second folded plate is spacing, annular spring one end and second folded plate fastening connection, annular spring other end and barrier plate fastening connection. In the process of downward movement of the control console, the first folding plate impacts the second folding plate, the second folding plate can rotate along the annular guide groove, when the speed of the first folding plate is in a limiting range, the annular spring can push the second folding plate to reset, when the speed of the first folding plate exceeds the limiting range, the impact born by the second folding plate is overrun, the compression amount of the annular spring is overrun, the second folding plate can be overturned to be upward, at the moment, the second folding plate can be blocked by the upper group of first folding plates, the first folding plate and the second folding plate are mutually blocked, the control console is limited to fall down, accidents are avoided, after waiting for manual inspection, the hydraulic press is moved up and reset, and when normal lifting and resetting are carried out, the first folding plate can lift up and down to compress the supporting spring at the second folding plate, and the first folding plate is reset after the first folding plate is disconnected. According to the protection unit, overspeed protection of the forging device is realized through the change of the blocking state of the first folding plate and the second folding plate, so that accidents caused by overspeed falling of the hydraulic press when a device control system fails are avoided, and the overall safety of the device is greatly improved.
Further, the protection unit further comprises a guide post and a buffer spring, the guide post is fixedly connected with the second setting groove, the annular guide groove is slidably connected with the guide post, one end of the buffer spring is fixedly connected with the bottom of the second setting groove, and the other end of the buffer spring is fixedly connected with the annular guide groove. When the falling exceeds speed, the second folded plate and the first folded plate are clamped, the falling impact force acts on the second folded plate, the impact force compresses the buffer spring, and the annular guide groove moves downwards along the guide post to buffer the falling impact.
Further, the conveying assembly comprises a feeding slide way, a receiving tray and a discharging slide way, the feeding slide way is arranged on one side of the lower machine table, the discharging slide way is arranged on the other side of the lower machine table, the feeding slide way, the discharging slide way and the ground are in fastening connection, the receiving tray is in fastening connection with the feeding slide way, and the receiving tray is arranged on one side, close to the lower machine table, of the feeding slide way. The aluminum forging stock is conveyed to the receiving tray through the feeding slideway, a worker places the stock in the first embedded groove and the second embedded groove, after bending forging is finished, the worker takes out the forging, places the forging on the discharging slideway, and the discharging slideway conveys the forging to the next station.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the adjusting component decomposes the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging piece, and the stress concentration of forging and pressing of the bending piece is greatly reduced. On the other hand, in the process of forging die change, the forging piece is always in the forging die, forging die switching is not needed, and forging efficiency is greatly improved. In the process of gas output, the instantaneous air flow is larger than the air flow of the input pump, the forging is subjected to upward air flow, the forging is jacked up in a small amplitude, and in the process of gas input, the forging impacts the forging die, and the oxide layer is accelerated to fall off. The collecting assembly provided by the invention creates a gap for collecting the oxide scale, and improves the falling-off effect of the oxide scale and the quality of the finished product of the forging piece. According to the protection unit, overspeed protection of the forging device is realized through the change of the blocking state of the first folding plate and the second folding plate, so that accidents caused by overspeed falling of the hydraulic press when a device control system fails are avoided, and the overall safety of the device is greatly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a forging structure according to the present invention;
FIG. 3 is a schematic view of the structure of the fixed sleeve and the movable sleeve of the present invention;
fig. 4 is a cross-sectional view of the protective unit of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic of the overspeed drop condition of the present invention;
FIG. 7 is a schematic view of the internal structure of the tilting table and the transition table of the present invention;
FIG. 8 is a schematic diagram of the operation of the auxiliary unit of the present invention;
in the figure: 1-hydraulic press, 2-support column, 3-control console, 31-guard unit, 311-first flap, 312-second flap, 313-support spring, 314-annular spring, 315-annular guide slot, 316-first setting slot, 317-second setting slot, 318-guide column, 319-buffer spring, 4-upper forging die, 5-lower forging die, 6-lower deck, 7-conveyor assembly, 71-loading chute, 72-receiving tray, 73-blanking chute, 8-adjustment assembly, 81-upper adjustment block, 82-lower adjustment block, 821-tilt table, 822-transition table, 83-moving unit, 831-fixed sleeve, 832-movable sleeve, 833-first insertion slot, 834-second insertion slot, 835-pushing cylinder, 9-collecting assembly, 91-movable slot, 92-rack, 93-gear, 94-movable block, 95-collecting bin, 96-guide hole, 97-auxiliary unit, 971-auxiliary chamber, 972-telescoping cylinder, 3-compression balloon.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, an aluminum forging device with an adjustable chamfering structure for a new energy automobile comprises a hydraulic press 1, a support column 2, a control console 3, an upper forging die 4, a lower forging die 5, a lower machine table 6 and a conveying component 7, wherein the lower machine table 6 is in fastening connection with the ground, the bottom of the support column 2 is in fastening connection with the lower machine table 6, the top of the support column 2 is in fastening connection with the hydraulic press 1, the output end of the hydraulic press 1 is in fastening connection with the control console 3, the support column 2 passes through the control console 3, the bottom of the control console 3 is in fastening connection with the upper forging die 4, the lower forging die 5 is in fastening connection with the top of the lower machine table 6, the conveying component 7 is arranged on two sides of the lower machine table 6 and the conveying component 7, a protection unit 31 is arranged in the control console 3, one end of the protection unit 31 is in fastening connection with the support column 2, and the other end of the protection unit 31 is in fastening connection with the control console 3. Before the conveying assembly 7 conveys the forge piece blank to the lower machine table 6, a worker places the blank between the upper forging die 4 and the lower forging die 5, the hydraulic machine 1 drives the control console 3 to move downwards along the support column 2, the control console 3 drives the upper forging die 4 to move downwards, and the upper forging die 4 and the lower forging die 5 forge the blank. According to the invention, the adjusting component 8 is used for decomposing the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging and pressing, and the stress concentration of forging and pressing of the bending piece is greatly reduced. On the other hand, in the process of forging die change, the forging piece is always in the forging die, forging die switching is not needed, and forging efficiency is greatly improved.
As shown in fig. 2, the upper forging die 4 and the lower forging die 5 are provided with adjusting components 8, the adjusting components 8 comprise an upper adjusting block 81, a lower adjusting block 82 and a moving unit 83, the upper adjusting block 81 is fixedly connected with the upper forging die 4, the lower adjusting block 82 is fixedly connected with the lower forging die 5, and the moving unit 83 is connected with the lower forging die 5. The blank bending procedure is needed in the forging process of the automobile control arm, and the stress concentration is easily caused by overlarge single stress in the blank bending process. In the processing process of the control arm blank, the bending angle of the cavity can be adjusted by the upper adjusting block 81 and the lower adjusting block 82, and the bending angle of the control arm blank is gradually adjusted, so that the forging uniformity of the bending position is improved, and the quality of a finished product is improved.
As shown in fig. 2 and 3, the moving unit 83 includes a fixed sleeve 831, a movable sleeve 832, a first insertion groove 833, a second insertion groove 834, and a push cylinder 835, the fixed sleeve 831 is slidably connected with the lower forging die 5, the movable sleeve 832 is hinged with the fixed sleeve 831, the first insertion groove 833 is disposed inside the fixed sleeve 831, the second insertion groove 834 is disposed inside the movable sleeve 832, the push cylinder 835 is fixedly connected with the lower forging die 5, an output shaft of the push cylinder 835 is fixedly connected with the fixed sleeve 831, the bottom of the fixed sleeve 831 is close to the surface of the lower forging die 5, and the first insertion groove 833 is communicated with the second insertion groove 834. The blank is placed in the first insertion groove 833 and the second insertion groove 834, the chamfer of the lower side of the fixed sleeve 831 and the movable sleeve 832 is attached to the lower adjusting block 82, and the upper adjusting block 81 is inserted into the first insertion groove 833 and the second insertion groove 834 to forge the blank, and the chamfer of the upper adjusting block 81 acts on the upper side of the blank. The side of the upper adjusting block is provided with a step surface which can press the movable sleeve on the inclined table. The pushing cylinder 835 pushes the fixed sleeve 831 to translate, during which the movable sleeve 832 passes through different tilting tables 821, the tilting angle between the movable sleeve 832 and the fixed sleeve 831 increases gradually, and the bending degree of the forging increases gradually.
As shown in fig. 2, the lower adjusting block 82 includes a plurality of groups of tilting tables 821 and transition tables 822, the tilting tables 821 are provided with a plurality of groups, the tilting angles of the plurality of groups of tilting tables 821 are increased progressively along the lower forging die 5, the connection positions of the tilting tables 821 and the lower forging die 5 are provided with round chamfers, the plurality of groups of tilting tables 821 are connected through the transition tables 822, the upper adjusting block 81 is provided with a plurality of blocks, the plurality of upper adjusting blocks 81 are uniformly distributed along the upper forging die 4, the upper adjusting block 81 is provided with inclined surfaces, the positions of the upper adjusting blocks 81 are in one-to-one correspondence with the middle positions of the tilting tables 821, the inclined surface angles of the corresponding upper adjusting blocks 81 are the same as the tilting tables 821, and round chamfers are also provided between the inclined surfaces and the planes of the upper adjusting blocks 81. The upper adjusting block 81 and the tilting table 821 form circular chamfers, respectively, the angle of which is continuously increased, and the change of the chamfers when adjustable is realized. According to the invention, the adjusting component 8 is used for decomposing the forging and pressing process in the same workbench, so that forging dies with different bending degrees can be formed in the continuous forging and pressing process of the forging and pressing, and the stress concentration of forging and pressing of the bending piece is greatly reduced. On the other hand, in the process of forging die change, the forging piece is always in the forging die, forging die switching is not needed, and forging efficiency is greatly improved.
As shown in fig. 7 and 8, the inclined table 821, the transition table 822 and the lower forging die 5 are internally provided with the collecting assembly 9, the collecting assembly 9 comprises a movable groove 91, racks 92, gears 93, movable blocks 94, a collecting bin 95, guide holes 96 and auxiliary units 97, the movable groove 91 is arranged inside the inclined table 821 and the transition table 822, the guide holes 96 are provided with a plurality of groups, the guide holes 96 are arranged inside the transition tables 822, one end of each guide hole 96 is communicated with the upper surface of the transition table 822, the other end of each guide hole 96 is communicated with the movable groove 91, the movable blocks 94 are slidably connected with the movable groove 91, the upper ends of the movable blocks 94 are provided with holes, the collecting bin 95 is arranged inside the lower forging die 5, the collecting bin 95 is provided with a pipeline and the holes in communication, an input pump is arranged at the inlet of the collecting bin 95, a rotating motor is arranged inside the movable block 94, an output shaft of the rotating motor is in tight connection with the gears 93, the racks 92 are in tight connection with the movable groove 91, the gears 93 are in tight connection with the racks 92, the auxiliary units 97 are arranged inside the transition table 822, the auxiliary units 97include auxiliary chambers 971, telescopic electric cylinders 972, compression 973, auxiliary chambers 822, the electric compression chambers 822 are arranged inside the transition chambers 972, the electric compression chambers 971, the electric compression chambers 972, the electric compression chambers and the compression chambers 2, the compression chambers and the compression chambers. In the forging process, the surface of the high-temperature forging piece can continuously fall off the oxide skin, the forging die and the forging piece are tightly attached all the time in the forging process by conventional forging equipment, the oxide skin falling off the inside of the forging die is difficult to remove, the surface precision of the forging piece can be influenced by the accumulation of the oxide skin, and the surface is concave. The special forging die of the invention can continuously move in the forging process, when the movable sleeve 832 moves along the transition table 822, the movable sleeve 832 is not completely attached to the transition table 822 due to the change of the height of the transition table 822, the movable sleeve 832 can be increased along with the movement inclination angle, the difference between the angle of the second embedded groove 834 and the bending angle of the forging can occur, the relative movement can occur between the forging and the first embedded groove 833 and the second embedded groove 834, the tight attachment is not performed any more, the bottom of the second embedded groove 834 can leak out of the gap, and the oxide skin can obtain the falling gap. At this time, the air flow is pumped by the input pump, the movable block 94 can move along the racks 92 under the drive of the rotating motor, when the movable sleeve 832 passes through the transition table 822, the movable block 94 can also move to the corresponding position of the collection hole of the transition table, the collection hole is communicated with the collection bin, the oxide skin is collected by the air flow, the telescopic electric cylinder can be repeatedly telescopic, a gap is formed in the telescopic process, the oxide skin is collected in the gap process, and the forge piece is impacted when the telescopic process occurs. In the process of gas output, the instantaneous air flow is larger than the air flow of an input pump, the forging is subjected to upward air flow, the forging is jacked up in a small amplitude, and in the process of gas input, the forging impacts a forging die, and an oxide layer is accelerated to fall off. The collecting assembly provided by the invention creates a gap for collecting the oxide scale, and improves the falling-off effect of the oxide scale and the quality of the finished product of the forging piece.
As shown in fig. 4 to 6, the protection unit 31 includes a first folded plate 311, a second folded plate 312, a supporting spring 313, an annular spring 314, an annular guide slot 315, a first setting slot 316, and a second setting slot 317, the protection unit 31 is provided with a plurality of groups, the plurality of groups of protection units 31 are uniformly distributed along the console 3, the supporting column 2 and the console 3 are slidably connected, the first setting slot 316 is embedded in one side of the console 3 near the supporting column 2, the second setting slot 317 is embedded in one side of the supporting column 2 near the console 3, the first folded plate 311 is rotatably connected with the upper side inside the first setting slot 316, one end of the supporting spring 313 is fixedly connected with the bottom of the first folded plate 311, the other end of the supporting spring 313 is fixedly connected with the lower side of the first setting slot 316, the annular guide slot 315 is fixedly connected with the second setting slot 317, the second folded plate 312 is slidably connected with the annular guide slot 315, one side of the annular guide slot 315 near the console 3 is provided with a blocking plate, the blocking plate limits the annular sliding of the second folded plate 312, one end of the annular spring 314 is fixedly connected with the second folded plate 314, and the other end of the annular spring is fixedly connected with the blocking plate. In the process of downward movement of the console 3, the first folding plate 311 impacts the second folding plate 312, the second folding plate 312 rotates along the annular guide groove 315, when the speed of the first folding plate 311 is within a limited range, the annular spring 314 pushes the second folding plate 312 to reset, when the speed of the first folding plate 311 exceeds the limited range, the impact received by the second folding plate 312 is over-limited, the compression amount of the annular spring 314 is also over-limited, the second folding plate 312 can be turned over to be upward at the bottom, at the moment, the upper group of first folding plates 311 can clamp the second folding plate 312, the first folding plates 311 and the second folding plates 312 are mutually clamped, the console is limited to fall down, accidents are avoided, after waiting for manual inspection, the hydraulic press 1 is moved up and reset, and during normal lifting and resetting, the first folding plates 311 lift up and down the supporting spring, and after the second folding plates 312 are disconnected, the first folding plates 311 are reset. According to the invention, the overspeed protection of the forging device is realized through the change of the blocking state of the first folding plate and the second folding plate, so that accidents caused by overspeed falling of the hydraulic press when a device control system fails are avoided, and the overall safety of the device is greatly improved.
As shown in fig. 5, the protection unit 31 further includes a guide post 318 and a buffer spring 319, the guide post 318 is fastened to the second setting groove 317, the annular guide groove 315 is slidably connected to the guide post 318, one end of the buffer spring 319 is fastened to the bottom of the second setting groove 317, and the other end of the buffer spring 319 is fastened to the annular guide groove 315. When the falling is overspeed, the second flap 312 and the first flap 311 are caught, and a falling impact force acts on the second flap 312, the impact force compresses the buffer spring 319, and the annular guide groove 315 moves down along the guide post 318 to buffer the falling impact.
As shown in fig. 1, the conveying assembly 7 includes a feeding slide 71, a receiving tray 72, and a discharging slide 73, the feeding slide 71 is disposed on one side of the lower machine 6, the discharging slide 73 is disposed on the other side of the lower machine 6, the feeding slide 71, the discharging slide 73 are fixedly connected to the ground, the receiving tray 72 is fixedly connected to the feeding slide 71, and the receiving tray 72 is disposed on one side of the feeding slide 71 close to the lower machine. The aluminum forging stock is conveyed to the receiving disc through the feeding slideway, a worker places the stock in the first embedded groove 833 and the second embedded groove 834, after bending forging is finished, the worker takes out the forging, places the forging on the discharging slideway 73, and the discharging slideway 73 conveys the forging to the next station.
The working principle of the invention is as follows: the aluminum forging stock is conveyed to the receiving tray through the feeding slideway, a worker places the stock in the first embedded groove 833 and the second embedded groove 834, the hydraulic press 1 drives the control console 3 to move downwards along the support column 2, the control console 3 drives the upper forging die 4 to move downwards, and the upper adjusting block 81 can be inserted into the first embedded groove 833 and the second embedded groove 834. In the forging gap, the pushing cylinder 835 pushes the fixed sleeve 831 to translate, during which the movable sleeve 832 passes through different tilting tables 821, the tilting angle between the movable sleeve 832 and the fixed sleeve 831 increases gradually, and the bending degree of the forging increases gradually. The movable block 94 moves along the racks 92 under the drive of the rotating motor, and when the movable sleeve 832 passes through the transition table 822, the movable block 832 also moves to the corresponding position of the collection hole of the transition table, the collection hole is communicated with the collection bin, and the oxide skin is collected by the air flow. The compressed air bag 973 outputs and sucks the gas alternately, in the course of gas output, the instantaneous air flow is greater than the air flow of the input pump, the forging receives upward air flow, the forging produces the jack-up of a small margin, in the course of gas input, the forging strikes the forging die, the oxide layer drops with higher speed. In the process of moving down the console 3, the first folding plate 311 impacts the second folding plate 312, the second folding plate 312 rotates along the annular guide groove 315, when the speed of the first folding plate 311 is within a limited range, the annular spring 314 pushes the second folding plate 312 to reset, when the speed of the first folding plate 311 exceeds the limited range, the impact received by the second folding plate 312 is over-limited, the compression amount of the annular spring 314 is also over-limited, the second folding plate 312 can be turned to be upwards at the bottom, at the moment, the upper group of first folding plates 311 can clamp the second folding plate 312, the first folding plate 311 and the second folding plate 312 are mutually clamped, and the console is limited to fall. After the bending forging is finished, the worker takes out the forging and places the forging on the blanking slideway 73, and the blanking slideway 73 conveys the forging to the next station.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Novel energy automobile forges device with adjustable chamfer structure with aluminium forging, its characterized in that: the forging device comprises a hydraulic press (1), a support column (2), a control console (3), an upper forging die (4), a lower forging die (5), a lower machine table (6) and a conveying assembly (7), wherein the lower machine table (6) is in fastening connection with the ground, the bottom of the support column (2) is in fastening connection with the lower machine table (6), the top of the support column (2) is in fastening connection with the hydraulic press (1), the output end of the hydraulic press (1) is in fastening connection with the control console (3), the support column (2) passes through the control console (3), the bottom of the control console (3) is in fastening connection with the upper forging die (4), the lower forging die (5) is in fastening connection with the top of the lower machine table (6), the conveying assembly (7) is arranged on two sides of the lower machine table (6) and the conveying assembly (7), a protection unit (31) is arranged inside the control console (3), one end of the protection unit (31) is in fastening connection with the support column (2), and the other end of the protection unit (31) is in fastening connection with the control console (3).
2. The aluminum forging device for a new energy automobile with an adjustable chamfer structure according to claim 1, wherein: last forging die (4), be provided with adjusting part (8) on lower forging die (5), adjusting part (8) are including last adjusting block (81), lower adjusting block (82), mobile unit (83), go up adjusting block (81) and last forging die (4) fastening connection, lower adjusting block (82) and lower forging die (5) fastening connection, mobile unit (83) are connected with lower forging die (5).
3. The aluminum forging device for a new energy automobile with an adjustable chamfer structure according to claim 2, wherein: the mobile unit (83) comprises a fixed sleeve (831), a movable sleeve (832), a first embedded groove (833), a second embedded groove (834) and a pushing electric cylinder (835), wherein the fixed sleeve (831) is in sliding connection with a lower forging die (5), the movable sleeve (832) is hinged with the fixed sleeve (831), the first embedded groove (833) is arranged inside the fixed sleeve (831), the second embedded groove (834) is arranged inside the movable sleeve (832), the pushing electric cylinder (835) is in fastening connection with the lower forging die (5), an output shaft of the pushing electric cylinder (835) is in fastening connection with the fixed sleeve (831), the bottom of the fixed sleeve (831) is close to the surface of the lower forging die (5), and the first embedded groove (833) is communicated with the second embedded groove (834).
4. The aluminum forging device for a new energy automobile with an adjustable chamfer structure according to claim 3, wherein: the lower adjusting block (82) comprises a plurality of groups of inclined tables (821) and transition tables (822), the inclined tables (821) are provided with the plurality of groups of inclined tables (821) which are uniformly distributed along the lower forging die (5), the inclined angles of the plurality of groups of inclined tables (821) are gradually increased, the connecting positions of the inclined tables (821) and the lower forging die (5) are provided with round chamfers, the plurality of groups of inclined tables (821) are connected through the transition tables (822), the upper adjusting block (81) is provided with a plurality of blocks, the upper adjusting block (81) is uniformly distributed along the upper forging die (4), the upper adjusting block (81) is provided with inclined surfaces, the positions of the upper adjusting block (81) are in one-to-one correspondence with the middle positions of the inclined tables (821), the inclined surfaces of the corresponding upper adjusting block (81) are identical to the inclined tables (821), and round chamfers are also arranged between the inclined surfaces of the upper adjusting block (81) and the planes.
5. The aluminum forging device with the adjustable chamfer structure for the new energy automobile according to claim 4, wherein: the inclined table (821), the transition table (822) and the lower forging die (5) are internally provided with a collecting assembly (9), the collecting assembly (9) comprises a movable groove (91), racks (92), gears (93), movable blocks (94), a collecting bin (95), guide holes (96) and an auxiliary unit (97), the movable groove (91) is arranged in the inclined table (821) and the transition table (822), the guide holes (96) are provided with a plurality of groups, the guide holes (96) are arranged in the transition tables (822), one end of each guide hole (96) is communicated with the upper surface of the transition table (822), the other end of each guide hole (96) is communicated with the movable groove (91), the movable blocks (94) are in sliding connection with the movable groove (91), the upper ends of the movable blocks (94) are provided with holes, the collecting bin (95) is arranged in the lower forging die (5), the collecting bin (95) is provided with a pipeline and the holes which are communicated, the inlet of the collecting bin (95) is provided with an input pump, the movable block (94) is internally provided with a rotating motor, the output shaft of the rotating motor is connected with the gears (92) and the gears (93) which are in a fastening manner, the racks (93) are meshed with the racks (93), auxiliary unit (97) set up inside transition platform (822), auxiliary unit (97) are including auxiliary chamber (971), flexible jar (972), compression gasbag (973), auxiliary chamber (971) set up inside transition platform (822), flexible jar (972) and auxiliary chamber (971) fastening connection, compression gasbag (973) one end and the output shaft fastening connection of flexible jar (972), compression gasbag (973) other end and auxiliary chamber (971) inner wall fastening connection, compression gasbag (973) and guide hole (96) intercommunication.
6. The aluminum forging device with the adjustable chamfer structure for the new energy automobile according to claim 5, wherein: the protection unit (31) comprises a first folded plate (311), a second folded plate (312), a supporting spring (313), an annular spring (314), an annular guide groove (315), a first setting groove (316) and a second setting groove (317), wherein the protection unit (31) is provided with a plurality of groups, the protection units (31) are uniformly distributed along the control console (3), the supporting column (2) is in sliding connection with the control console (3), the first setting groove (316) is embedded in one side of the control console (3) close to the supporting column (2), the second setting groove (317) is embedded in one side of the supporting column (2) close to the control console (3), the first folded plate (311) is in rotary connection with the upper side inside the first setting groove (316), one end of the supporting spring (313) is in fastening connection with the bottom of the first folded plate (311), the other end of the supporting spring (313) is in fastening connection with the lower side of the first setting groove (316), the annular guide groove (315) is in fastening connection with the second setting groove (317), the second folded plate (312) is in blocking connection with the annular guide groove (315) in sliding connection with the annular guide groove (315) close to one side of the control console (3), the annular guide groove (315) is in sliding connection with the annular guide groove (315), the other end of the annular spring (314) is fixedly connected with the blocking plate.
7. The aluminum forging device with the adjustable chamfer structure for the new energy automobile according to claim 6, wherein: the protection unit (31) further comprises a guide post (318) and a buffer spring (319), the guide post (318) is in fastening connection with the second setting groove (317), the annular guide groove (315) is in sliding connection with the guide post (318), one end of the buffer spring (319) is in fastening connection with the bottom of the second setting groove (317), and the other end of the buffer spring (319) is in fastening connection with the annular guide groove (315).
8. The aluminum forging device with the adjustable chamfer structure for the new energy automobile according to claim 7, wherein: the conveying assembly (7) comprises a feeding slide way (71), a receiving tray (72) and a discharging slide way (73), wherein the feeding slide way (71) is arranged on one side of a lower machine table (6), the discharging slide way (73) is arranged on the other side of the lower machine table (6), the feeding slide way (71), the discharging slide way (73) and the ground are in fastening connection, the receiving tray (72) is in fastening connection with the feeding slide way (71), and the receiving tray (72) is arranged on one side of the feeding slide way (71) close to the lower machine table (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384996.XA CN116393635B (en) | 2023-04-12 | 2023-04-12 | Aluminum forging device with adjustable chamfer structure for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384996.XA CN116393635B (en) | 2023-04-12 | 2023-04-12 | Aluminum forging device with adjustable chamfer structure for new energy automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116393635A true CN116393635A (en) | 2023-07-07 |
| CN116393635B CN116393635B (en) | 2023-10-13 |
Family
ID=87008746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310384996.XA Active CN116393635B (en) | 2023-04-12 | 2023-04-12 | Aluminum forging device with adjustable chamfer structure for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116393635B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505757A (en) * | 2024-01-08 | 2024-02-06 | 常州市康宁锻造有限公司 | Forging device and forging method for batch forming of forgings |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005262296A (en) * | 2004-03-19 | 2005-09-29 | Mitsubishi Motors Corp | Die set for forging and forging facility using this die set |
| CN204220904U (en) * | 2014-10-11 | 2015-03-25 | 天津市天锻压力机有限公司 | A kind of new structure of aluminium alloy wheel hub hydraulic forging press workbench |
| JP2015182097A (en) * | 2014-03-24 | 2015-10-22 | 鹿児島県 | Turret forging device |
| CN212310732U (en) * | 2020-04-18 | 2021-01-08 | 南通德斯特工贸发展有限公司 | Forging and pressing mechanical equipment with angle adjusting function |
| CN115194073A (en) * | 2022-09-15 | 2022-10-18 | 江苏添鸣器械科技有限公司 | Metal forging platform |
| CN115570089A (en) * | 2022-12-09 | 2023-01-06 | 江苏兴锻智能装备科技有限公司 | Prevent rocking forging and pressing equipment of full-automatic unloading of going up |
-
2023
- 2023-04-12 CN CN202310384996.XA patent/CN116393635B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005262296A (en) * | 2004-03-19 | 2005-09-29 | Mitsubishi Motors Corp | Die set for forging and forging facility using this die set |
| JP2015182097A (en) * | 2014-03-24 | 2015-10-22 | 鹿児島県 | Turret forging device |
| CN204220904U (en) * | 2014-10-11 | 2015-03-25 | 天津市天锻压力机有限公司 | A kind of new structure of aluminium alloy wheel hub hydraulic forging press workbench |
| CN212310732U (en) * | 2020-04-18 | 2021-01-08 | 南通德斯特工贸发展有限公司 | Forging and pressing mechanical equipment with angle adjusting function |
| CN115194073A (en) * | 2022-09-15 | 2022-10-18 | 江苏添鸣器械科技有限公司 | Metal forging platform |
| CN115570089A (en) * | 2022-12-09 | 2023-01-06 | 江苏兴锻智能装备科技有限公司 | Prevent rocking forging and pressing equipment of full-automatic unloading of going up |
Non-Patent Citations (1)
| Title |
|---|
| 魏海生: "DK-20连杆精密级锻造工艺的应用", 机械, vol. 42, no. 01, pages 39 - 43 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505757A (en) * | 2024-01-08 | 2024-02-06 | 常州市康宁锻造有限公司 | Forging device and forging method for batch forming of forgings |
| CN117505757B (en) * | 2024-01-08 | 2024-04-16 | 常州市康宁锻造有限公司 | Forging device and forging method for batch forming of forgings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116393635B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116393635B (en) | Aluminum forging device with adjustable chamfer structure for new energy automobile | |
| CN209206174U (en) | The automatic discharge unit of press machine | |
| CN110193448B (en) | Automatic centering oiling equipment for blank circular plate | |
| CN207224144U (en) | A kind of automatic trim press of unusual charm cup silica gel valve | |
| CN116099927B (en) | Stamping device is used in processing of pneumatic cylinder head with automatic discharge function | |
| US3128731A (en) | Press | |
| CN216027686U (en) | Mould liftout device | |
| CN108656613B (en) | Automatic discharging tablet press and tablet pressing method | |
| CN111015809A (en) | Mica sheet profiling device with overload prevention assembly and profiling method thereof | |
| CN212947367U (en) | Rapid pressing device for mechanical manufacturing equipment | |
| CN216501756U (en) | Iron plate stamping forming device | |
| CN207103668U (en) | The horizontal swollen type hydraulic machine of magnesium alloy forged wheel hub | |
| CN220782026U (en) | Automobile driving disc punching machine with protection structure | |
| CN220005828U (en) | Safety protection device for forging titanium alloy plate | |
| CN210876946U (en) | Stamping equipment is used in automobile parts processing | |
| CN219025513U (en) | Bending machine for horizontal machining center | |
| CN219541369U (en) | Protective cover of steel plate leveling machine | |
| CN215203631U (en) | Rotary workbench of annular flaky medicament tablet press | |
| CN217555151U (en) | Soda water tank transfer pressing mechanism | |
| CN219483986U (en) | Stamping structure for supporting automatic discharging | |
| CN209792463U (en) | Titanium pan manufacturing equipment with frosted function | |
| CN220560191U (en) | Track gauge baffle stamping forming device | |
| CN114700561B (en) | Profile processing method and profile processing equipment | |
| CN219581459U (en) | Stamping die | |
| CN214526609U (en) | Ash board pressing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |