CN217223432U - Multi-station forging die for bearing inner ring of agricultural machine - Google Patents
Multi-station forging die for bearing inner ring of agricultural machine Download PDFInfo
- Publication number
- CN217223432U CN217223432U CN202122625306.4U CN202122625306U CN217223432U CN 217223432 U CN217223432 U CN 217223432U CN 202122625306 U CN202122625306 U CN 202122625306U CN 217223432 U CN217223432 U CN 217223432U
- Authority
- CN
- China
- Prior art keywords
- die
- extrusion
- punch
- mould
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a multistation agricultural machinery bearing inner race forges mould, the punch comprises an upper die plate, the lower bolster, the mould is gone up to the upset, the mould is gone up to the extrusion, the mould is gone up to the undercut, the upset lower mould, the extrusion lower mould, the lower mould of undercut, the upset upper die base and the upset drift of spiro union are gone up to the upset, the upset lower mould includes the upset die base and the upset die cover of spiro union, the mould is gone up to the extrusion includes the extrusion drift, the mould cover is gone up to the extrusion upper die base and the extrusion of spiro union, the extrusion lower mould includes the extrusion die base and the extrusion die cover of spiro union, the crimping is at the extrusion die base inner chamber's extrusion die, locate extrusion die base inner chamber kicking piece, the kicking piece upper end forms the extrusion die cavity with extrusion die inner chamber, the mould is gone up to the undercut includes the undercut drift, the die base and the mould cover on the undercut of spiro union, the lower mould includes the shoulder hole. The utility model discloses can improve the quality and the precision of production efficiency and forging product, alleviate compound die impulsive force, extension mould life to do benefit to the subassembly that quick replacement damaged.
Description
Technical Field
The utility model relates to a metal forging equipment technical field especially relates to a multistation agricultural machinery bearing inner race forges mould.
Background
Need carry out the upset earlier in the current agricultural machinery bearing inner race production process, the extrusion carries out the undercutting operation again, need the upset in the production process, the extrusion, undercut three group's moulds, receive very big collision impulsive force during the mould compound die, easily to the drift, subassembly such as die cause the collision wearing and tearing, reduce mould life, lead to mould production, cost of maintenance is higher, and traditional extrusion die holder and undercut die holder are two parts structure about being divided into, treat the upper portion of rethread bolt fastening die holder after all the other subassembly installations in the die holder are accomplished, it is comparatively troublesome when changing the subassembly that damages, influence production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a multistation agricultural machinery bearing inner race forges mould, can improve the quality and the precision of production efficiency and forging product, alleviate compound die impulsive force, extension mould life to do benefit to the subassembly that quick replacement damaged.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a forging die for bearing inner rings of multi-station agricultural machinery comprises an upper die plate, a lower die plate, an upsetting upper die, an extrusion forming upper die, a bottom cutting upper die, an upsetting lower die, an extrusion forming lower die and a bottom cutting lower die, wherein the upsetting upper die, the extrusion forming upper die and the extrusion forming lower die are respectively fixedly arranged on the upper die plate, the upsetting upper die comprises an upsetting upper die holder and an upsetting punch which are in threaded connection with each other, the upsetting lower die comprises an upsetting lower die holder and an upsetting die cover which are in threaded connection with each other, the extrusion forming upper die comprises an extrusion punch, an extrusion upper die holder and an extrusion upper die sleeve which are in threaded connection with each other, the upper part of the extrusion punch is limited in the extrusion upper die holder in a compression mode, and a top piece which is arranged in the inner cavity of the extrusion lower die holder and can move up and down is arranged in the inner cavity of the extrusion lower die holder, extrusion die upper portion passes extrusion lower die cover central opening and the laminating of a top upper end part and stretches into the extrusion die inner chamber, top upper end and extrusion die inner chamber form the extrusion die cavity, die set cover on die set includes die set upper die base and the die set of cutting of bottom punch, mutual spiro union on the bottom of cutting, die set cover on die set upper die base inner chamber and the bottom of cutting punch lower part of being pressed in on die set upper die base upper portion of cutting, the lower die of cutting includes big-end-up's shoulder hole, shoulder hole lower part aperture is greater than the punch diameter of cutting.
The upsetting punch and the upsetting die cover, the extrusion punch and the top piece, and the bottom cutting punch and the bottom cutting lower die are all coaxially arranged.
The upsetting punch is in an inverted T-shaped cylindrical shape, the upsetting die cover is in a cylindrical shape, and the outer diameter of the upsetting die cover is larger than that of the lower portion of the upsetting punch.
The extrusion forming upper die further comprises an extrusion punch cushion block and an upper die seat cushion block, the extrusion punch cushion block is in compression joint between the upper end face of the extrusion punch and the inner cavity of the extrusion upper die seat, and the upper die seat cushion block is in compression joint between the upper portion of the extrusion punch, the inner side of the lower port of the extrusion upper die seat and the extrusion upper die sleeve.
The extrusion drift includes integrated into one piece's main part and the cylindric drift portion that the external diameter is less than the main part, the extrusion drift moves down to main part butt extrusion die and drift portion stretches into the extrusion die cavity.
The extrusion lower die further comprises a female die cushion block, a lower die holder cushion block and a butt joint block, wherein the butt joint block is in compression joint with the lower die holder inner cavity between the lower port and the lower die plate and in movable compression joint with the ejector piece on the butt joint block, the female die cushion block is in compression joint with the extrusion lower die holder inner cavity and the ejector piece penetrating through the female die cushion block, the extrusion female die is in a hollow step column shape, the lower portion of the extrusion female die is in compression joint with the female die cushion block, and the lower die holder cushion block is in compression joint with the lower die cover between the inner side of the upper port of the extrusion female die lower portion and the extrusion lower die holder.
The bottom cutting upper die further comprises a bottom cutting punch cushion block and an upper bottom cutting die cushion block, the bottom cutting punch cushion block is in compression joint between the upper end face of the bottom cutting punch and the inner cavity of the bottom cutting upper die base, and the upper bottom cutting die base cushion block is in compression joint between the upper portion of the bottom cutting punch, the inner side of the lower port of the bottom cutting upper die base and the bottom cutting upper die sleeve.
An inclined excess material channel communicated with the lower end of the stepped hole is arranged in the bottom cutting lower die.
The beneficial effects of the utility model are that: the upsetting, the extruding and the bottom cutting are integrated into a whole to form a multi-station forging die, the upsetting, the extruding and the bottom cutting can be finished through one-time die assembly, the production efficiency is improved, and meanwhile, the die is reasonable in structural design and stable in matching, and the quality and the precision of a forged product are improved; through the arrangement of the extrusion punch cushion block, the upper die holder cushion block, the lower die holder cushion block, the female die cushion block, the bottom cutting punch cushion block and the upper bottom cutting die holder cushion block, the collision damage to the extrusion punch, the extrusion female die, the extrusion lower die cover, the bottom cutting punch and the bottom cutting lower die during die assembly is effectively relieved, and the service life of the die is prolonged; the upsetting upper die holder and the upsetting punch, the upsetting lower die holder and the upsetting die cover, the extruding upper die sleeve and the extruding upper die holder, the extruding lower die holder and the extruding lower die cover, and the bottom cutting upper die holder and the bottom cutting upper die sleeve are all connected in a threaded connection mode, so that damaged components can be replaced quickly and timely, and the maintenance time is shortened.
Drawings
FIG. 1 is a partial block diagram of an installation embodying the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a structural diagram of the undercut lower die of the present invention;
fig. 4 is a schematic view of a process for forging a forged piece according to the present invention.
In the figure: an upper die plate 1, a lower die plate 2, an upper upsetting die 3, an upper upsetting die holder 31, an upsetting punch 32, an upper fastening sleeve 33, a lower upsetting die 4, an lower upsetting die holder 41, an upsetting die cover 42, a lower fastening sleeve 43, an upper extrusion die 5, an upper extrusion die holder 51, an inner step 511, an extrusion punch pad 52, an extrusion punch 53, a main body 531, a punch 532, an outer step 533, an upper die pad 54, an upper extrusion die holder 55, a lower extrusion die 6, an extrusion die holder 61, a recess 611, a die pad 62, an extrusion die 63, a lower die holder pad 64, a lower extrusion die cover 65, an abutment 66, a top 67, an upper undercut die 7, an upper undercut die holder 71, an inner step 711, a lower undercut punch pad 72, a undercut punch 73, an outer step 731, an upper undercut die holder 74, an upper undercut die holder 75, a lower undercut die 8, a stepped bore 81, a surplus material passage 82, a frame 9, a lower die holder 42, a lower die holder cover 43, a lower die holder cover, a press punch holder cover, a press punch holder, a press punch holder, a press punch holder, a press holder, a press, the air cylinder device comprises an upper mounting plate 91, a first air cylinder 92, a lower mounting plate 93, a second air cylinder 94 and a workbench 95.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 4, the multi-station agricultural machinery bearing inner ring forging die comprises an upper die plate 1, a lower die plate 2, an upsetting upper die 3, an extrusion forming upper die 5, a bottom cutting upper die 7, an upsetting lower die 4, an extrusion forming lower die 6 and a bottom cutting lower die 8, wherein the upsetting upper die 3, the extrusion forming upper die 5 and the bottom cutting upper die are respectively fixedly arranged on the upper die plate 1, the upsetting lower die 4, the extrusion forming lower die 6 and the bottom cutting lower die 8 are respectively fixedly arranged on the lower die plate 2, the upsetting upper die 3 comprises an upsetting upper die holder 31 and an upsetting punch 32 which are mutually screwed, the upsetting upper die 3 further comprises an upper fastening sleeve 33 which is screwed on the upsetting punch 32 and is positioned below the upsetting upper die holder 31, and the upsetting upper die holder 31 is fixed on the upper die plate 1.
The upsetting lower die 4 comprises an upsetting lower die seat 41 and an upsetting die cover 42 which are in threaded connection with each other, and the upsetting lower die 4 further comprises a lower fastening sleeve 43 which is in threaded connection with the upsetting lower die seat 41 and is located below the upsetting die cover 42.
The extrusion upper die 5 includes extrusion drift 53, the extrusion upper die base 51 and the extrusion upper die sleeve 55 of mutual spiro union, extrusion drift 53 upper portion is restricted in extrusion upper die base 51 by the crimping and extrusion drift 53 lower part passes the extrusion upper die sleeve 55, extrusion lower mould 6 is including the extrusion die holder 61 of mutual spiro union and extrusion lower cover 65, crimping at the extrusion die 63 of extrusion die holder 61 inner chamber, locate extrusion die holder 61 inner chamber and the kicking piece 67 that can up-and-down motion, the die cover 65 central opening and the laminating of kicking piece 67 upper end part are stretched into extrusion die 63 inner chamber under the extrusion die is passed on extrusion die 63 upper portion, kicking piece 67 upper end forms the extrusion die cavity with extrusion die 63 inner chamber, and extrusion die 63 up end flushes with extrusion lower cover 65 up end.
The bottom cutting upper die 7 comprises a bottom cutting punch 73, a bottom cutting upper die base 71 and a bottom cutting upper die sleeve 75 which are in threaded connection, the upper portion of the bottom cutting punch 73 is connected with the inner cavity of the bottom cutting upper die base 71 in a crimping mode, the lower portion of the bottom cutting punch 73 penetrates through the bottom cutting upper die sleeve 75, the bottom cutting lower die 8 comprises a stepped hole 81 with the upper portion larger than the lower portion, and the lower aperture of the stepped hole 81 is larger than the diameter of the bottom cutting punch 73.
The upsetting punch 32 and the upsetting die cover 42, the extruding punch 53 and the top piece 67, and the bottom cutting punch 73 and the bottom cutting lower die 8 are all arranged coaxially.
The upsetting punch 32 is in an inverted T-shaped cylindrical shape, the upsetting die cover 42 is in a cylindrical shape, and the outer diameter of the upsetting die cover 42 is larger than that of the lower part of the upsetting punch 32.
The extrusion forming upper die 5 further comprises an extrusion punch cushion block 52 and an upper die cushion block 54, the extrusion punch cushion block 52 is in compression joint between the upper end face of the extrusion punch 53 and the inner cavity of the extrusion upper die base 51, and the upper die base cushion block 54 is in compression joint between the upper part of the extrusion punch 53, the inner side of the lower end port of the extrusion upper die base 51 and the extrusion upper die sleeve 55. Through the arrangement of the extrusion punch cushion block 52 and the upper die cushion block 54, the collision of the extrusion punch 53 during die assembly can be effectively relieved, and the abrasion of the extrusion punch 53 is reduced.
The extrusion punch 53 includes a main body portion 531 and a cylindrical punch portion 532 having an outer diameter smaller than the main body portion 531, which are integrally formed, and the extrusion punch 53 moves down until the main body portion 531 abuts against the extrusion die 63 and the punch portion 532 extends into the extrusion die cavity. Specifically, the upper portion of the main body 531 is arranged in an inner cavity of the extrusion upper die holder 51, the lower portion of the main body 531 penetrates through the extrusion upper die sleeve 55, the main body 531 comprises an outer step portion 532, the extrusion upper die holder 51 comprises an inner step portion 511 arranged at a port of the extrusion upper die holder, the upper surface of the upper die holder cushion block 54 is simultaneously abutted to the outer step portion 532 and the inner step portion 511, and the lower surface of the upper die holder cushion block 54 is abutted to the inner wall of the upper die sleeve 55.
Extrusion lower mould 6 still includes die cushion block 62, die holder cushion block 64 and butt block 66, butt block 66 crimping is under extrusion die holder 61 inner chamber under port and lower bolster 2 and the overhead piece 67 activity crimping is on butt block 66, die cushion block 62 crimping passes die cushion block 62 at extrusion die holder 61 inner chamber and overhead piece 67, extrusion die 63 is the cavity step column, extrusion die 63 lower part crimping is on die cushion block 62, die holder cushion block 64 crimping is in extrusion die 63 lower part, extrusion die holder 61 on the port inboard and extrude between the lower die cover 65. Specifically, the upper port of the extrusion lower die holder 61 is provided with a depressed part 611, a lower die holder cushion block 64 is simultaneously pressed on the lower parts of the depressed part 611 and the extrusion female die 63, the upper surface of the lower die holder cushion block 64 is abutted to the extrusion lower die cover 65, and through the arrangement of the lower die holder cushion block 64 and the female die cushion block 62, the collision of the extrusion female die 63 during die assembly can be effectively relieved, the abrasion of the extrusion female die 63 is reduced, and the precision of an extrusion forming product is ensured.
The bottom cutting upper die 7 further comprises a bottom cutting punch cushion block 72 and an upper bottom cutting die cushion block 74, the bottom cutting punch cushion block 72 is in compression joint between the upper end face of the bottom cutting punch 73 and the inner cavity of the bottom cutting upper die base 71, and the upper bottom cutting die base cushion block 74 is in compression joint between the upper portion of the bottom cutting punch 73, the inner side of the lower end port of the bottom cutting upper die base 71 and the bottom cutting upper die sleeve 75. The upper portion of the bottom cutting punch 73 is provided with an outer step portion 731, the lower port of the bottom cutting die base 71 is provided with an inner step portion 711, the upper surface of the bottom cutting punch cushion block 72 is pressed to the outer step portion 731 and the inner step portion 711, and the lower surface of the bottom cutting punch cushion block 72 abuts against the inner wall of the bottom cutting die sleeve 75. Through the arrangement of the bottom cutting punch cushion block 72 and the upper bottom cutting die holder cushion block 74, the impact force of the bottom cutting punch 73 during bottom cutting can be effectively buffered.
An inclined excess material channel 82 communicated with the lower end of the stepped hole 81 is arranged in the bottom cutting lower die 8.
The utility model discloses an upper die plate 1, the mould 3 on the upset, mould 5 on the extrusion, cut end and go up mould 7 and constitute the mould of forging, lower bolster 2, upset lower mould 4, extrusion lower mould 6, cut end lower mould 8 constitute the forging lower mould. The utility model discloses install in frame 9 of forge hot die press, frame 9 includes slidable mounting at the last mounting panel 91 on frame 9 upper portion and adorns at the lower mounting panel 93 of frame 9 lower part admittedly, the cope match-plate pattern 1 of forging the mould is fixed at last mounting panel 91 lower surface, the lower bolster 2 of forging the lower mould is fixed at lower mounting panel 93 upper surface, go up mounting panel 91 through first cylinder 92 drive up-and-down motion, and then drive and forge the mould motion, be equipped with second cylinder 94 on the lower mounting panel 93 admittedly, second cylinder 94's axle passes down mounting panel 93, lower bolster 2 is connected to butt joint piece 66, second cylinder 94 promotes kicking piece 67 up-and-down motion, and then can be ejecting so that carry out follow-up bottom cutting operation with the forging after accomplishing the extrusion. The frame 9 further comprises a workbench 95, the upper ends of the upsetting lower die 4, the extrusion forming lower die 6 and the bottom cutting lower die 8 respectively and fixedly penetrate through the workbench 95, and the upper end surfaces of the upsetting lower die 4, the extrusion forming lower die 6 and the bottom cutting lower die 8 are flush with the upper surface of the workbench 95. Through the utility model discloses, can realize upsetting, extrusion, the bottom cropping operation of cylindric blank, and forge the precision height, the finished product is of high quality, has reduced the loss of raw materials.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a multistation agricultural machinery bearing inner race forges mould, includes cope match-plate pattern (1), lower bolster (2) and adorns mould (3) on the upset of cope match-plate pattern (1), extrusion last mould (5), bottom cutting last mould (7) and adorn upset lower mould (4), extrusion lower mould (6), bottom cutting lower mould (8) on lower bolster (2) respectively admittedly, its characterized in that: the upsetting upper die (3) comprises an upsetting upper die holder (31) and an upsetting punch (32) which are in threaded connection with each other, the upsetting lower die (4) comprises an upsetting lower die holder (41) and an upsetting die cover (42) which are in threaded connection with each other, the extrusion forming upper die (5) comprises an extrusion punch (53), an extrusion upper die holder (51) and an extrusion upper die sleeve (55) which are in threaded connection with each other, the upper part of the extrusion punch (53) is limited in the extrusion upper die holder (51) in a compression mode, the lower part of the extrusion punch (53) penetrates through the extrusion upper die sleeve (55), the extrusion forming lower die (6) comprises an extrusion lower die holder (61) and an extrusion lower die cover (65) which are in threaded connection with each other, an extrusion die (63) which is in compression connection with the inner cavity of the extrusion lower die holder (61), and a jacking piece (67) which is arranged in the inner cavity of the extrusion lower die holder (61) and can move up and down, the upper part of the extrusion die (63) penetrates through the central opening of the extrusion lower die cover (65) and the upper end part of the extrusion die cover (67) is attached to extend into the inner cavity of the extrusion die (63), ejecting (67) upper end and extrusion die (63) inner chamber form the extrusion die cavity, bottom-cutting last mould (7) including bottom-cutting drift (73), mutual spiro union cut upper die base (71) and bottom-cutting last mould cover (75), bottom-cutting drift (73) upper portion is passed bottom-cutting last mould cover (75) by the crimping in bottom-cutting upper die base (71) inner chamber and bottom-cutting drift (73) lower part, bottom-cutting lower mould (8) are including big-end-up's shoulder hole (81), shoulder hole (81) lower part aperture is greater than bottom-cutting drift (73) diameter.
2. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: the upsetting punch (32) and the upsetting die cover (42), the extruding punch (53) and the top piece (67), and the bottom cutting punch (73) and the bottom cutting lower die (8) are coaxially arranged.
3. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: the upsetting punch (32) is in an inverted T-shaped cylindrical shape, the upsetting die cover (42) is in a cylindrical shape, and the outer diameter of the upsetting die cover (42) is larger than that of the lower part of the upsetting punch (32).
4. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: the extrusion forming upper die (5) further comprises an extrusion punch cushion block (52) and an upper die cushion block (54), the extrusion punch cushion block (52) is in compression joint between the upper end face of the extrusion punch (53) and the inner cavity of the extrusion upper die holder (51), and the upper die holder cushion block (54) is in compression joint between the upper portion of the extrusion punch (53), the lower port of the extrusion upper die holder (51) and the extrusion upper die sleeve (55).
5. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: the extrusion punch (53) comprises an integrally formed main body part (531) and a cylindrical punch part (532) with the outer diameter smaller than the main body part (531), the extrusion punch (53) moves downwards to the main body part (531) to abut against the extrusion female die (63), and the punch part (532) extends into the extrusion die cavity.
6. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: extrusion lower mould (6) still include die cushion (62), die holder cushion (64) and butt piece (66), butt piece (66) crimping under extrusion die holder (61) inner chamber between port and lower bolster (2) and kicking piece (67) activity crimping on butt piece (66), die cushion (62) crimping passes die cushion (62) at extrusion die holder (61) inner chamber and kicking piece (67), extrusion die (63) are cavity step column, extrusion die (63) lower part crimping is on die cushion (62), die holder cushion (64) crimping is in extrusion die (63) lower part, extrusion die holder (61) go up the port inboard and extrude down between the moulding cap (65).
7. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: the bottom cutting upper die (7) further comprises a bottom cutting punch cushion block (72) and an upper cutting bottom die cushion block (74), the bottom cutting punch cushion block (72) is in pressure joint between the upper end face of the bottom cutting punch (73) and an inner cavity of the bottom cutting die holder (71), and the upper cutting bottom die holder cushion block (74) is in pressure joint between the upper portion of the bottom cutting punch (73), the inner side of the lower port of the bottom cutting die holder (71) and the bottom cutting die sleeve (75).
8. The multi-station forging die for the bearing inner ring of the agricultural machine as claimed in claim 1, wherein: an inclined excess material channel (82) communicated with the lower end of the stepped hole (81) is arranged in the bottom cutting lower die (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625306.4U CN217223432U (en) | 2021-10-29 | 2021-10-29 | Multi-station forging die for bearing inner ring of agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625306.4U CN217223432U (en) | 2021-10-29 | 2021-10-29 | Multi-station forging die for bearing inner ring of agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217223432U true CN217223432U (en) | 2022-08-19 |
Family
ID=82817846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625306.4U Active CN217223432U (en) | 2021-10-29 | 2021-10-29 | Multi-station forging die for bearing inner ring of agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217223432U (en) |
-
2021
- 2021-10-29 CN CN202122625306.4U patent/CN217223432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201603807U (en) | Progressive stamping die for producing thin-walled metal circular ring | |
| CN108655314B (en) | Extrusion die forging process for differential spider forging | |
| CN101767164A (en) | Method for producing thin-wall metal circular ring and grading stamping mould used therefor | |
| CN203541255U (en) | Composite die for machining spring seat part | |
| CN104874683A (en) | Trimming, punching and rectifying compound die convenient for quickly replacing dies | |
| CN109894491A (en) | A kind of pitman shaft hot extrusion upsetting manufacturing process and its device | |
| CN204524019U (en) | Shaft-cup shaping dies | |
| CN204974783U (en) | Wheel nut multistation extrusion die | |
| CN217223432U (en) | Multi-station forging die for bearing inner ring of agricultural machine | |
| CN208743541U (en) | It is a kind of can automatic material returning stamping die | |
| CN113399611A (en) | Friction press-based spline hub forging process | |
| CN203155923U (en) | Air valve forging die | |
| CN213436957U (en) | Processing device for manufacturing radial marks of fasteners | |
| CN201470798U (en) | One-step forming mould for alien spring | |
| CN203830622U (en) | Connecting rod forging die | |
| CN109013872B (en) | Manufacturing process of elastic spacer bush of automobile front axle | |
| CN206981441U (en) | A kind of bearing (ball) cover extrusion die | |
| CN207479325U (en) | A kind of holder for tapered roller bearing integration makes assembling die | |
| CN216324879U (en) | Trimming and shape correcting composite die structure for crankshaft forge piece | |
| CN205869219U (en) | Synchronous forming mechanism of locking packing ring multistation | |
| CN201500731U (en) | Punching, drawing and forming composite die for grinding disk of motor | |
| CN219966199U (en) | Floating tool applied to precision forming of blank | |
| CN212042307U (en) | Forming die for adjusting nut of speed reducer assembly | |
| CN206104697U (en) | Welding electrode cap stamping die for manufacturing | |
| CN216911971U (en) | Damping type die device for friction press spline hub forging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |