CN118002736A - Gear forging machine - Google Patents
Gear forging machine Download PDFInfo
- Publication number
- CN118002736A CN118002736A CN202410208664.0A CN202410208664A CN118002736A CN 118002736 A CN118002736 A CN 118002736A CN 202410208664 A CN202410208664 A CN 202410208664A CN 118002736 A CN118002736 A CN 118002736A
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- China
- Prior art keywords
- blank
- fixedly connected
- groove
- top surface
- plate
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- 238000005242 forging Methods 0.000 title claims abstract description 117
- 230000000670 limiting effect Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 21
- 238000001125 extrusion Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
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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
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- 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
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention belongs to the technical field of gear forging, in particular to a gear forging machine, which comprises a base; the top surface of the base is fixedly connected with a workbench; a forging die is arranged on the top surface of the workbench at the middle position; the top surface of the base is fixedly connected with upright posts at two sides of the workbench; the top surface of the upright post is fixedly connected with a first hydraulic cylinder; the telescopic end of the first hydraulic cylinder is fixedly connected with a forging hammer; a limit groove is formed in one side of the top surface of the workbench; an ejection groove is formed in the bottom of the limit groove; a spring is fixedly connected in the ejection groove; the top surface of spring has linked firmly the roof, carries out the pre-forging treatment through placing the blank in the spacing groove for the diameter of blank is close to the diameter of forging die, thereby reduces the blank and puts into behind the forging die, and the clearance between forging die inner wall and the blank makes the gear of finally making more inseparable, and the quality is better, and spring cooperation roof simultaneously, with the ejecting spacing groove in top of blank, also can make things convenient for the workman to press from both sides the blank.
Description
Technical Field
The invention belongs to the technical field of gear forging, and particularly relates to a gear forging machine.
Background
The gear is a mechanical element with teeth on the rim and capable of continuously meshing and transmitting motion and power, the existing gear is manufactured by casting, forging and other methods, wherein the forged gear gradually replaces the cast gear due to the advantages of compact internal structure, high strength, long service life, more reliable explosion-proof performance and the like.
In the prior art, a metal blank in a red hot state is placed into a forging die by a worker, and then the top of the metal blank is hammered by a forging hammer of a forging machine, so that the height of the metal blank is gradually reduced, the diameter of the metal blank is gradually increased until the height of the metal blank is consistent with the height of the forging die, and the side surface of the metal blank is contacted and extruded with the surface of the forging die, so that a tooth-shaped structure is formed on the side surface of the metal blank.
In the prior art, the diameter of a blank is generally far smaller than that of a forging die in the forging process of a forging machine, so that a large gap is formed between the blank and the forging die after the blank is put into the forging die, if the blank is not positioned in the center of the forging die at this time, one side of the blank is firstly contacted with the surface of the forging die, and the other side of the blank is not contacted, so that the blank is stressed unevenly, and the quality of a final gear is affected.
To this end, the present invention provides a gear forging machine.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a gear forging machine, which comprises a base; the top surface of the base is fixedly connected with a workbench; a forging die is arranged on the top surface of the workbench at the middle position; the top surface of the base is fixedly connected with upright posts at two sides of the workbench; the top surface of the upright post is fixedly connected with a first hydraulic cylinder; the telescopic end of the first hydraulic cylinder is fixedly connected with a forging hammer; a limit groove is formed in one side of the top surface of the workbench; an ejection groove is formed in the bottom of the limit groove; a spring is fixedly connected in the ejection groove; the top surface of the spring is fixedly connected with a top plate; during operation, in order to reduce the clearance between blank and the forging die in the forging process, can place the blank under the red hot state at the roof top earlier, then the pneumatic cylinder at stand top starts, drive the top of forging hammer extrusion blank by the flexible end of pneumatic cylinder one, make the blank extrusion roof descend to the position department that flushes with the spacing groove tank bottom, and extrude the spring, in this time in-process, the blank is owing to receive the extrusion of forging hammer, thereby the height of blank has been depressed, and the diameter of blank has been increased, and the spacing groove also can restrict the position of blank simultaneously, make the blank in the in-process of forging hammer lifting, can not slide at the workstation surface owing to vibration, simultaneously when the forging hammer is no longer extrudeed the blank, and can drive the roof and hold up the blank, thereby make things convenient for the workman to press from both sides the blank that preliminary forging is good, then put into the blank that preliminary forging is good in the forging die of workstation center department again, and press the blank through a pneumatic cylinder, make and complete laminating with the forging die, and then accomplish the manufacturing of gear, because of placing the blank in the forging die, the diameter of forging die is placed in the forging die, make the blank diameter of blank is close to the die diameter of forging die, the die diameter is more convenient for the blank is pressed into the die, the diameter of blank is more closely to the die, and the blank is pressed to the die diameter of blank is more closely to the die, and the top is more than the die is pressed.
Preferably, a loop bar is fixedly connected to the bottom of the ejection groove, and the loop bar is positioned in the spring; the connecting rod is connected inside the loop bar in a sliding way, and the top surface of the connecting rod is fixedly connected with the bottom surface of the top plate; the side surface of the ejection groove is fixedly connected with a support ring; during operation, when the blank extrudes the roof to drive the roof when descending, the roof can extrude the spring, and make the roof descend, at this in-process, the connecting rod also can be under the drive of roof, by inside to pressing the loop bar, owing to there is the spacing effect of connecting rod and loop bar, make the roof at the in-process that descends, thereby avoid because the crooked distortion of spring, and then influence the life of spring, the holding ring also can be for the roof support simultaneously, avoid the roof to be pressed in the depths of ejecting groove, and lead to the blank also to be pressed in together in ejecting groove, and then cause the bottom of blank to appear protruding, processing operation after the influence.
Preferably, one side of the base, which is close to the limiting groove, is provided with an upper and lower material assembly; the feeding and discharging assembly comprises a lifting seat; the top surface of the lifting end of the lifting seat is connected with a movable seat in a sliding manner; the movable seat is driven by a motor and can move along the top surface of the lifting seat; one side of the movable seat, which is close to the workbench, is connected with a pair of clamping arms in a sliding manner; the two clamping arms are driven by the hydraulic rod, so that the two clamping arms can move in opposite directions, and the blank is clamped; during operation, when the workman needs to carry out the material loading operation of blank, external conveying mechanism, the blank motion under the red hot state is sent to the bottom between two clamping arms, the lifting seat area removes the seat and descends to the height that can press from both sides the blank, then the clamping arm is close to each other under the drive of hydraulic stem, thereby press from both sides the blank between the clamping arms, then the lifting seat drives the removal seat, the clamping arm rises and the blank rises, and make the bottom of blank flush with the top surface of roof, remove the seat afterwards and drive clamping arm and blank and remove towards the spacing groove on workstation surface, and remove the blank to the roof top surface after, the clamping arm keeps away from each other, place the blank at the top surface of roof, then the removal seat drives the clamping arm and keeps away from the workstation, and after the blank forges in advance and finishes the back, the removal seat again drives the clamping arm and carries out the centre gripping to the blank of roof top surface, then remove to the mould department with the blank, after the whole forging process of blank is accomplished to the blank, the clamping arm again with the gear that produces, accomplish the transfer to the blank, can constantly transport work, and then improved production efficiency, the manual work also can reduce the safety risk of getting the blank when pressing from the top.
Preferably, the two clamping arms are fixedly connected with a supporting plate on the surface of one side, which is close to each other; the supporting plate is positioned at the bottom of the clamping arm and is positioned at one side of the clamping arm far away from the movable seat; when the clamping arms clamp the blanks, the bottom supporting plates of the clamping arms can support the bottom surfaces of the blanks, so that the clamping effect on the blanks is improved, and the falling probability of the blanks from the clamping arms is reduced.
Preferably, a limiting plate is fixedly connected to the surface of one side, close to the lifting seat, of the base; one end of the limiting plate, which is far away from the base, is rotationally connected with a connecting plate; the connecting plate is connected with the lifting seat; when the embodiment of the invention is required to be transported, the limiting plate can be rotated to be far away from the connecting plate at one end of the base, so that the connecting plate and the lifting seat rotate towards the direction of the base, and finally the lifting seat and the movable seat are close to the surfaces of the base and the upright post, thereby reducing the whole volume of the embodiment of the invention and further facilitating the implementation of the invention for packaging and transportation.
Preferably, a connecting groove is formed in the position, corresponding to the connecting plate, of the lifting seat; the connecting plate is in sliding connection with the connecting groove; a plurality of dampers which are uniformly arranged are fixedly connected to the surface of the connecting plate; the damper is fixedly connected with the inner wall of the connecting groove; when the hydraulic cylinder drives the forging hammer to strike the blank, the forging hammer can generate vibration when striking the blank or the top surface of the workbench, the vibration can be transmitted to the base through the workbench, then transmitted to the limiting plate through the base and finally transmitted to the connecting plate, and then the vibration is converted into the internal energy of the damper through the damper around the connecting plate, so that the influence on the lifting seat caused by the vibration is reduced.
Preferably, the top plate is circularly arranged; the top surface of the top plate is fixedly connected with a base plate which is arranged in a round shape; the diameter of the backing plate is smaller than that of the top plate; when the blank is placed on the top plate, the bottom surface of the blank is contacted with the top surface of the backing plate, and the backing plate is used for backing up the blank, so that a certain gap is reserved between the blank and the top plate, and the supporting plate can be inserted into the gap between the blank and the top plate more easily when the blank is clamped by the clamping arm, so that the bottom surface of the blank is supported, and the stability of clamping the blank is improved.
Preferably, the top surface of the top plate is provided with a filling ring, the inner diameter of the filling ring is consistent with the diameter of the cushion block, and the outer diameter of the filling ring is consistent with the diameter of the top plate; the bottom surface of the filling ring is fixedly connected with a push rod; the ejector rod is connected with the top plate in a sliding way; during operation, when the blank extrudes the backing plate, the backing plate receives the extrusion of blank, can be pressed to ejection groove together with the roof, and when the ejector pin contacted the top surface of holding ring, the ejector pin received holding ring's hindrance no longer descends, and the roof continues to descend, until the roof contacts with the holding ring, the bottom surface of ejector pin flushes with the bottom surface of roof this moment, and the packing ring top surface at ejector pin top flushes with the cushion top surface, finally make the top surface of packing ring and backing plate flush with the tank bottom of spacing groove, thereby avoid because the unevenness of blank bottom support platform, and the bottom surface that leads to the blank appears deformation when forging.
Preferably, the top surface of the workbench is provided with a mounting groove at the forging die; the forging die is fixed in the mounting groove; a communicating groove is formed in the bottom of the mounting groove; the bottom of the communicating groove is fixedly connected with a second hydraulic cylinder; the telescopic end of the second hydraulic cylinder is fixedly connected with a jacking block; when the clamping arm moves the blank to the top of the forging die, the second hydraulic cylinder in the communication groove drives the ejector block to lift, the blank can be placed on the top surface of the ejector block, then the clamping arm moves away, the ejector block drives the blank to descend, the top surface of the ejector block is flush with the bottom of the mounting groove, then the forging hammer forges the blank, after the blank is forged and a gear is manufactured, the second hydraulic cylinder drives the ejector block to lift, so that the machined gear is ejected out of the forging die, and the clamping arm can clamp the gear conveniently.
Preferably, the bottom surface of the top block is fixedly connected with a sleeve; the sleeve is sleeved on the outer side of the second hydraulic cylinder, and the sleeve is in sliding connection with the bottom of the communication groove; the surface of the groove wall of the communication groove is provided with a plurality of uniformly arranged suction holes; the suction hole is communicated with an external exhaust fan; when the hydraulic cylinder II drives the jacking block and the manufactured gear to ascend, scraps generated in the manufacturing process can fall into the communication groove and are pumped away by the suction hole, and meanwhile, the sleeve can also protect the hydraulic cylinder II, so that scraps are prevented from entering a gap between the hydraulic cylinder II body and the piston rod.
The beneficial effects of the invention are as follows:
1. According to the gear forging machine, the blank is placed in the limit groove for pre-forging treatment, so that the diameter of the blank is close to that of the forging die, the gap between the inner wall of the forging die and the blank after the blank is placed in the forging die is reduced, the finally manufactured gear is compact and high in quality, meanwhile, the spring is matched with the top plate, the top of the blank is ejected out of the limit groove, and workers can clamp the blank conveniently.
2. According to the gear forging machine, through the limiting effect of the connecting rod and the loop bar, the top plate cannot be inclined at will in the descending process, so that the inclined distortion of the spring is avoided, the service life of the spring is further influenced, meanwhile, the supporting ring can also support the top plate, the situation that the top plate is pressed into the deep part of the ejection groove to cause that blanks are pressed into the ejection groove together, the bottoms of the blanks are raised, and the subsequent processing operation is influenced is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial cross-sectional view of a lift base of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view of a limiting groove in the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B;
FIG. 6 is a schematic view of the structure of the work table of the present invention;
Fig. 7 is a partial cross-sectional view of a mounting groove in the present invention.
In the figure: 1. a base; 2. a work table; 3. forging dies; 4. a column; 5. a first hydraulic cylinder; 6. a forging hammer; 7. a limit groove; 8. an ejection groove; 9. a spring; 10. a top plate; 11. a loop bar; 12. a connecting rod; 13. a support ring; 14. a lifting seat; 15. a movable seat; 16. a clamping arm; 17. a supporting plate; 18. a limiting plate; 19. a connecting plate; 20. a connecting groove; 21. a damper; 22. a backing plate; 23. a filling ring; 24. a push rod; 25. a mounting groove; 26. a communication groove; 27. a second hydraulic cylinder; 28. a top block; 29. a sleeve; 30. and a suction hole.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, a gear forging machine according to an embodiment of the present invention includes a base 1; the top surface of the base 1 is fixedly connected with a workbench 2; the top surface of the workbench 2 is provided with a forging die 3 at the middle position; the top surface of the base 1 is fixedly connected with upright posts 4 at two sides of the workbench 2; the top surface of the upright post 4 is fixedly connected with a first hydraulic cylinder 5; the telescopic end of the first hydraulic cylinder 5 is fixedly connected with a forging hammer 6; a limit groove 7 is formed in one side of the top surface of the workbench 2; an ejection groove 8 is formed in the bottom of the limit groove 7; a spring 9 is fixedly connected in the ejection groove 8; the top surface of the spring 9 is fixedly connected with a top plate 10; the diameter of the bottom of the limit groove 7 is consistent with the inner diameter of the forging die 3; during operation, in order to reduce the clearance between blank and forging die 3 in forging process, can place the blank at the roof 10 top under the red hot state earlier, then the pneumatic cylinder 5 at stand 4 top starts, drive forging hammer 6 extrusion blank's top by the flexible end of pneumatic cylinder 5, make blank extrusion roof 10 descend to the position department that flushes with spacing groove 7 tank bottom, and extrude spring 9, in this time in-process, the blank is owing to receive forging hammer 6's extrusion, thereby the height of blank has been suppressed, and the diameter of blank has been increased, and simultaneously spacing groove 7 also can restrict the position of blank, make the blank at forging hammer 6 in-process of lifting, can not slide at the workstation 2 surface owing to the vibration at will, simultaneously when forging hammer 6 no longer extrudees the blank, spring 9 in the ejection groove 8 resets, and can drive roof 10 and hold up the blank, thereby make things convenient for the workman to press from both sides and get preliminary forging blank, then put into forging die 3 in the center department of workstation 2 with the blank, and drive forging hammer 5 again and forge hammer 6, thereby the height of blank has been suppressed, and the diameter of blank is made to complete the die 3 is more closely to the diameter of blank is placed in the die 3 through forging hammer 3, and is more closely to the diameter of blank 3, and is placed in the die 3 is more than the die diameter is close to the die 3, the diameter of blank is more than can be accomplished to the die 3, and is pressed and is more convenient to the die-finished, and is pressed to the blank.
As shown in fig. 2 to 4, a sleeve rod 11 is fixedly connected to the bottom of the ejection groove 8, and the sleeve rod 11 is positioned in the spring 9; the inside of the loop bar 11 is connected with a connecting rod 12 in a sliding way, and the top surface of the connecting rod 12 is fixedly connected with the bottom surface of the top plate 10; the side surface of the ejection groove 8 is fixedly connected with a support ring 13; when the blank extrusion roof 10 to drive roof 10 when descending, roof 10 can extrude spring 9, and make roof 10 descend, in this process, connecting rod 12 also can be under the drive of roof 10, by being to pressing the loop bar 11 inside, owing to there is the spacing effect of connecting rod 12 and loop bar 11, make roof 10 at the in-process of descending, can not warp at will, thereby avoid because spring 9's crooked distortion, and then influence spring 9's life, support ring 13 also can support for roof 10 simultaneously, avoid roof 10 to be pressed into the depths of ejecting groove 8, and lead to the blank also to be pressed into together in ejecting groove 8, and then cause the bottom of blank to appear protruding, processing operation after the influence.
As shown in fig. 1 to 2, an upper and lower material assembly is installed on one side of the base 1, which is close to the limit groove 7; the feeding and discharging assembly comprises a lifting seat 14; the top surface of the lifting end of the lifting seat 14 is connected with a movable seat 15 in a sliding manner; the movable seat 15 is driven by a motor and can move along the top surface of the lifting seat 14; a pair of clamping arms 16 are connected to one side of the movable seat 15 close to the workbench 2 in a sliding manner; the two clamping arms 16 are driven by hydraulic rods, so that the two clamping arms 16 can move towards each other to clamp the blank; when the automatic forging machine works, when a worker needs to carry out blank feeding operation, an external conveying mechanism moves a blank in a red hot state to the bottom between two clamping arms 16, the lifting seat 14 is provided with the moving seat 15 to be lowered to the height capable of clamping the blank, then the clamping arms 16 are driven by the hydraulic rods to be mutually close, so that the blank between the clamping arms 16 is clamped, the lifting seat 14 drives the moving seat 15, the clamping arms 16 to ascend and the blank to ascend, the bottom of the blank is enabled to be flush with the top surface of the top plate 10, then the moving seat 15 drives the clamping arms 16 and the blank to move towards the limit groove 7 on the surface of the working table 2, after the blank is moved to the top surface of the top plate 10, the clamping arms 16 are mutually away, the blank is placed on the top surface of the top plate 10, the moving seat 15 drives the clamping arms 16 to be away from the working table 2, and after the blank is pre-forged, the moving seat 15 drives the clamping arms 16 to clamp the blank on the top surface of the top plate 10 again, then the blank is moved to the die 3, after the whole forging process is completed, the clamping arms 16 clamp the produced gear, the blank is clamped again, the blank is moved through the moving seat 16, the blank can be continuously, and the safety risk of taking the blank can be reduced when the blank is continuously carried out, and the blank can be continuously and the production is ensured.
As shown in fig. 1 to 2, the two clamping arms 16 are fixedly connected with a supporting plate 17 on the surface of one side, which is close to each other; the supporting plate 17 is positioned at the bottom of the clamping arm 16, and the supporting plate 17 is positioned at one side of the clamping arm 16 away from the movable seat 15; when the clamping arms 16 clamp blanks, the bottom supporting plates 17 of the clamping arms 16 can support the bottom surfaces of the blanks, so that the clamping effect on the blanks is improved, and the probability that the blanks fall off from the clamping arms 16 is reduced.
As shown in fig. 1 to 2, a limiting plate 18 is fixedly connected to the surface of one side of the base 1, which is close to the lifting seat 14; the end, far away from the base 1, of the limiting plate 18 is rotatably connected with a connecting plate 19; the connecting plate 19 is connected with the lifting seat 14; when the embodiment of the invention is required to be transported in operation, the rotatable limiting plate 18 is far away from the connecting plate 19 at one end of the base 1, so that the connecting plate 19 and the lifting seat 14 rotate towards the direction of the base 1, and finally the lifting seat 14 and the movable seat 15 are attached to the surfaces of the base 1 and the upright post 4, thereby reducing the whole volume of the embodiment of the invention and further facilitating the implementation of the invention for packaging and transportation.
As shown in fig. 1,2 and 5, a connecting groove 20 is formed at a position of the lifting seat 14 corresponding to the connecting plate 19; the connecting plate 19 is in sliding connection with the connecting groove 20; a plurality of dampers 21 which are uniformly arranged are fixedly connected to the surface of the connecting plate 19; the damper 21 is fixedly connected with the inner wall of the connecting groove 20; when the hydraulic cylinder I5 drives the forging hammer 6 to strike the blank, the forging hammer 6 impacts the blank or the top surface of the workbench 2 to generate vibration, the vibration is transmitted to the base 1 through the workbench 2, then is transmitted to the limiting plate 18 through the base 1 and finally is transmitted to the connecting plate 19, and then the vibration is converted into the internal energy of the damper 21 through the damper 21 around the connecting plate 19, so that the influence on the lifting seat 14 caused by the vibration is reduced.
As shown in fig. 3 to 4, the top plate 10 is circularly arranged; the top surface of the top plate 10 is fixedly connected with a base plate 22, and the base plate 22 is circularly arranged; the diameter of the backing plate 22 is smaller than that of the top plate 10; the top plate 10 and the backing plate 22 are made of heat insulation materials; when the blank is placed on the top plate 10, the bottom surface of the blank is contacted with the top surface of the backing plate 22, and a certain gap is reserved between the blank and the top plate 10 due to the backing plate 22, so that the supporting plate 17 can be more easily inserted into the gap between the blank and the top plate 10 when the clamping arm 16 clamps the blank, thereby supporting the bottom surface of the blank, and further improving the stability of clamping the blank.
As shown in fig. 4, the top surface of the top plate 10 is provided with a filling ring 23, the inner diameter of the filling ring 23 is consistent with the diameter of the cushion block, and the outer diameter of the filling ring 23 is consistent with the diameter of the top plate 10; the bottom surface of the filling ring 23 is fixedly connected with a push rod 24; the ejector rod 24 is in sliding connection with the top plate 10; when the blank extrudes the backing plate 22, the backing plate 22 is extruded by the blank and can be pressed to the ejection groove 8 together with the top plate 10, when the top plate 24 contacts the top surface of the supporting ring 13, the top plate 10 is kept descending by the obstruction of the supporting ring 13 until the top plate 10 contacts the supporting ring 13, at the moment, the bottom surface of the top plate 24 is flush with the bottom surface of the top plate 10, the top surface of the filling ring 23 on the top of the top plate 24 is flush with the top surface of the cushion block, and finally, the top surfaces of the filling ring 23 and the backing plate 22 are flush with the groove bottom of the limiting groove 7, so that deformation of the bottom surface of the blank during forging caused by uneven supporting platform on the bottom surface of the blank is avoided.
As shown in fig. 1, 6 and 7, the top surface of the working table 2 is provided with a mounting groove 25 at the forging die 3; the forging die 3 is fixed in the mounting groove 25; a communicating groove 26 is formed in the bottom of the mounting groove 25; the bottom of the communication groove 26 is fixedly connected with a second hydraulic cylinder 27; the telescopic end of the second hydraulic cylinder 27 is fixedly connected with a top block 28; when the clamping arm 16 moves the blank to the top of the forging die 3, the second hydraulic cylinder 27 in the communication groove 26 drives the ejector block 28 to lift, the blank can be placed on the top surface of the ejector block 28, then the clamping arm 16 moves away, the ejector block 28 drives the blank to descend, the top surface of the ejector block 28 is flush with the bottom of the mounting groove 25, then the forging hammer 6 forges the blank, when the blank is forged, and after a gear is manufactured, the second hydraulic cylinder 27 drives the ejector block 28 to lift, so that the machined gear is ejected out of the forging die 3, and the clamping arm 16 clamps the gear conveniently.
As shown in fig. 1, 6 and 7, a sleeve 29 is fixedly connected to the bottom surface of the top block 28; the sleeve 29 is sleeved on the outer side of the second hydraulic cylinder 27, and the sleeve 29 is in sliding connection with the bottom of the communication groove 26; the wall surface of the communication groove 26 is provided with a plurality of uniformly arranged suction holes 30; the suction hole 30 communicates with an external suction fan; when the hydraulic cylinder II 27 drives the jacking block 28 and the manufactured gear to ascend, scraps generated in the manufacturing process can fall into the communication groove 26 and are pumped away by the pumping holes 30, and meanwhile, the sleeve 29 can also protect the hydraulic cylinder II 27 to prevent scraps from entering a gap between the body of the hydraulic cylinder II 27 and the piston rod.
During operation, in order to reduce the clearance between blank and forging die 3 in forging process, can place the blank at the roof 10 top under the red hot state earlier, then the pneumatic cylinder 5 at stand 4 top starts, drive forging hammer 6 extrusion blank's top by the flexible end of pneumatic cylinder 5, make blank extrusion roof 10 descend to the position department that flushes with spacing groove 7 tank bottom, and extrude spring 9, in this time in-process, the blank is owing to receive forging hammer 6's extrusion, thereby the height of blank has been suppressed, and the diameter of blank has been increased, and simultaneously spacing groove 7 also can restrict the position of blank, make the blank at forging hammer 6 in-process of lifting, can not slide at the workstation 2 surface owing to the vibration at will, simultaneously when forging hammer 6 no longer extrudees the blank, spring 9 in the ejection groove 8 resets, and can drive roof 10 and hold up the blank, thereby make things convenient for the workman to press from both sides and get preliminary forging blank, then put into forging die 3 in the center department of workstation 2 with the blank, and drive forging hammer 5 again and forge hammer 6, thereby the height of blank has been suppressed, and the diameter of blank is made to complete the die 3 is more closely to the diameter of blank is placed in the die 3 through forging hammer 3, and is more closely to the diameter of blank 3, and is placed in the die 3 is more than the die diameter is close to the die 3, the diameter of blank is more than can be accomplished to the die 3, and is pressed and is more convenient to the die-finished, and is pressed to the blank.
When the top plate 10 is extruded by the blank and the top plate 10 is driven to descend, the top plate 10 can extrude the spring 9 and enable the top plate 10 to descend, in the process, the connecting rod 12 is driven by the top plate 10 to be inwards pressed into the sleeve rod 11, the top plate 10 can not be freely skewed due to the limiting effect of the connecting rod 12 and the sleeve rod 11 in the descending process, so that the service life of the spring 9 is prevented from being influenced due to the skew distortion of the spring 9, meanwhile, the supporting ring 13 can also support the top plate 10, the top plate 10 is prevented from being pressed into the deep of the ejection groove 8, the blank is prevented from being pressed into the ejection groove 8 together, the bottom of the blank is further raised, and the processing operation after the effect is influenced.
When the workman needs to carry out the material loading operation of blank, external conveying mechanism, the blank motion under the red hot state is sent to the bottom between two clamping arms 16, lifting seat 14 takes movable seat 15 to descend to the height that can press from both sides the blank, then clamping arm 16 is close to each other under the drive of hydraulic stem, thereby press from both sides the blank between the clamping arms 16, then lifting seat 14 drives movable seat 15, clamping arm 16 rises and the blank rises, and make the bottom of blank flush with the top surface of roof 10, then movable seat 15 drives movable seat 16 and blank to move towards spacing groove 7 on workstation 2 surface, and after moving the blank to roof 10 top surface, clamping arm 16 keeps away from each other, place the blank at the top surface of roof 10, then movable seat 15 drives movable seat 16 to keep away from workstation 2, and after the blank is accomplished in advance, movable seat 15 again drives clamping arm 16 to carry out the centre gripping to the blank of roof 10 top surface, then remove blank to mould 3 department again, after the whole process is accomplished to the blank, 16 again with the gear that produces, remove to the blank, through the clamping arm 16 to accomplish and to remove to the spacing groove 7 of roof 10 surface, and the blank can be moved to continuous forging and forging efficiency, and the production risk can be reduced simultaneously, and the manual risk of forging and the blank can be moved to the continuous production.
When the clamping arms 16 clamp the blanks, the bottom supporting plates 17 of the clamping arms 16 can support the bottom surfaces of the blanks, so that the clamping effect on the blanks is improved, and the probability that the blanks fall off from the clamping arms 16 is reduced.
When the embodiment of the invention needs to be transported, the rotatable limiting plate 18 is far away from the connecting plate 19 at one end of the base 1, so that the connecting plate 19 and the lifting seat 14 rotate towards the direction of the base 1, and finally the lifting seat 14 and the movable seat 15 are attached to the surfaces of the base 1 and the upright post 4, thereby reducing the whole volume of the embodiment of the invention and further facilitating the implementation of the invention for packaging and transportation.
When the first hydraulic cylinder 5 drives the forging hammer 6 to strike the blank, the forging hammer 6 impacts the blank or the top surface of the workbench 2 to generate vibration, the vibration is transmitted to the base 1 through the workbench 2, then transmitted to the limiting plate 18 through the base 1 and finally transmitted to the connecting plate 19, and then the vibration is converted into the internal energy of the damper 21 through the damper 21 around the connecting plate 19, so that the influence on the lifting seat 14 caused by the vibration is reduced.
When the blank is placed on the top plate 10, the bottom surface of the blank will contact with the top surface of the backing plate 22, and since the backing plate 22 pads the blank, a certain gap is left between the blank and the top plate 10, so that the supporting plate 17 can be more easily inserted into the gap between the blank and the top plate 10 when the clamping arm 16 clamps the blank, thereby supporting the bottom surface of the blank, and further improving the stability of clamping the blank.
When the blank extrudes the backing plate 22, the backing plate 22 is extruded by the blank and can be pressed towards the ejection groove 8 together with the top plate 10, when the top rod 24 contacts the top surface of the supporting ring 13, the top plate 10 is kept descending by the obstruction of the supporting ring 13 until the top plate 10 contacts the supporting ring 13, at the moment, the bottom surface of the top rod 24 is flush with the bottom surface of the top plate 10, the top surface of the filling ring 23 on the top of the top rod 24 is flush with the top surface of the cushion block, and finally, the top surfaces of the filling ring 23 and the backing plate 22 are flush with the bottom surface of the limiting groove 7, so that deformation of the bottom surface of the blank during forging caused by uneven supporting platform on the bottom surface of the blank is avoided.
When the clamping arm 16 moves the blank to the top of the forging die 3, the second hydraulic cylinder 27 in the communication groove 26 drives the ejector block 28 to lift, the blank can be placed on the top surface of the ejector block 28, then the clamping arm 16 moves away, the ejector block 28 drives the blank to descend, the top surface of the ejector block 28 is flush with the bottom of the mounting groove 25, then the forging hammer 6 forges the blank, when the blank is forged, and after a gear is manufactured, the second hydraulic cylinder 27 drives the ejector block 28 to lift, so that the machined gear is ejected out of the forging die 3, and the clamping arm 16 clamps the gear conveniently.
When the second hydraulic cylinder 27 drives the top block 28 and the manufactured gear to ascend, scraps generated in the manufacturing process can fall into the communication groove 26 and are pumped away by the pumping hole 30, and meanwhile, the sleeve 29 can also protect the second hydraulic cylinder 27 to prevent scraps from entering a gap between the second hydraulic cylinder 27 body and the piston rod.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A gear forging machine, characterized in that: comprises a base (1); the top surface of the base (1) is fixedly connected with a workbench (2); a forging die (3) is arranged on the top surface of the workbench (2) at the middle position; the top surface of the base (1) is fixedly connected with upright posts (4) at two sides of the workbench (2); the top surface of the upright post (4) is fixedly connected with a first hydraulic cylinder (5); the telescopic end of the first hydraulic cylinder (5) is fixedly connected with a forging hammer (6); a limit groove (7) is formed in one side of the top surface of the workbench (2); an ejection groove (8) is formed in the groove bottom of the limiting groove (7); a spring (9) is fixedly connected in the ejection groove (8); the top surface of the spring (9) is fixedly connected with a top plate (10).
2. A gear forging machine as set forth in claim 1, wherein: a loop bar (11) is fixedly connected to the bottom of the ejection groove (8), and the loop bar (11) is positioned in the spring (9); the inside of the loop bar (11) is connected with a connecting rod (12) in a sliding way, and the top surface of the connecting rod (12) is fixedly connected with the bottom surface of the top plate (10); the side surface of the ejection groove (8) is fixedly connected with a support ring (13).
3. A gear forging machine as set forth in claim 1, wherein: one side of the base (1) close to the limit groove (7) is provided with a loading and unloading assembly; the feeding and discharging assembly comprises a lifting seat (14); the top surface of the lifting end of the lifting seat (14) is connected with a movable seat (15) in a sliding manner; the movable seat (15) is driven by a motor and can move along the top surface of the lifting seat (14); a pair of clamping arms (16) are connected to one side of the movable seat (15) close to the workbench (2) in a sliding manner; the two clamping arms (16) are driven by hydraulic rods, so that the two clamping arms (16) can move towards each other to clamp the blank.
4. A gear forging machine according to claim 3, wherein: the surfaces of the two clamping arms (16) close to one side of each other are fixedly connected with a supporting plate (17); the supporting plate (17) is positioned at the bottom of the clamping arm (16), and the supporting plate (17) is positioned at one side of the clamping arm (16) away from the movable seat (15).
5. A gear forging machine as set forth in claim 4, wherein: a limiting plate (18) is fixedly connected to the surface of one side, close to the lifting seat (14), of the base (1); one end of the limiting plate (18) far away from the base (1) is rotatably connected with a connecting plate (19); the connecting plate (19) is connected with the lifting seat (14).
6. A gear forging machine as set forth in claim 5, wherein: a connecting groove (20) is formed in the position, corresponding to the connecting plate (19), of the lifting seat (14); the connecting plate (19) is in sliding connection with the connecting groove (20); the surface of the connecting plate (19) is fixedly connected with a plurality of uniformly arranged dampers (21); the damper (21) is fixedly connected with the inner wall of the connecting groove (20).
7. A gear forging machine as set forth in claim 1, wherein: the top plate (10) is circularly arranged; the top surface of the top plate (10) is fixedly connected with a base plate (22), and the base plate (22) is circularly arranged; the diameter of the backing plate (22) is smaller than that of the top plate (10).
8. A gear forging machine as set forth in claim 7, wherein: the top surface of the top plate (10) is provided with a filling ring (23), the inner diameter of the filling ring (23) is consistent with the diameter of the cushion block, and the outer diameter of the filling ring (23) is consistent with the diameter of the top plate (10); the bottom surface of the filling ring (23) is fixedly connected with a push rod (24); the ejector rod (24) is in sliding connection with the top plate (10).
9. A gear forging machine as set forth in claim 1, wherein: the top surface of the workbench (2) is provided with a mounting groove (25) at the forging die (3); the forging die (3) is fixed in the mounting groove (25); a communicating groove (26) is formed in the bottom of the mounting groove (25); the bottom of the communication groove (26) is fixedly connected with a second hydraulic cylinder (27); and a jacking block (28) is fixedly connected to the telescopic end of the second hydraulic cylinder (27).
10. A gear forging machine as set forth in claim 9, wherein: the bottom surface of the top block (28) is fixedly connected with a sleeve (29); the sleeve (29) is sleeved on the outer side of the second hydraulic cylinder (27), and the sleeve (29) is in sliding connection with the bottom of the communication groove (26); the surface of the groove wall of the communication groove (26) is provided with a plurality of uniformly arranged suction holes (30); the suction opening (30) communicates with an external suction fan.
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| CN202410208664.0A CN118002736B (en) | 2024-02-26 | 2024-02-26 | Gear forging machine |
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| CN202410208664.0A CN118002736B (en) | 2024-02-26 | 2024-02-26 | Gear forging machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118558931A (en) * | 2024-08-02 | 2024-08-30 | 洛阳美航汽车零部件有限公司 | Forging device for gear production and forging process thereof |
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