CN219683857U - High-pressure valve body forming die for power station - Google Patents
High-pressure valve body forming die for power station Download PDFInfo
- Publication number
- CN219683857U CN219683857U CN202321167048.2U CN202321167048U CN219683857U CN 219683857 U CN219683857 U CN 219683857U CN 202321167048 U CN202321167048 U CN 202321167048U CN 219683857 U CN219683857 U CN 219683857U
- Authority
- CN
- China
- Prior art keywords
- die
- hydraulic cylinder
- valve body
- forming
- pressure valve
- 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
- 238000007493 shaping process Methods 0.000 claims description 19
- 238000005242 forging Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a power station high-pressure valve body forming die, which is characterized in that after an upper male die hydraulic cylinder drives an upper male die to move downwards to form a neck part and an inner cavity of the neck part and maintain pressure, the thrust generated by the upper male die hydraulic cylinder is superposed with the die clamping thrust generated by a die clamping hydraulic cylinder to form larger die clamping force, so that extrusion forming force generated by the left and right end parts and the inner cavities of the left and right end parts formed by a left male die and a right male die is born, die clamping stability is ensured, no flash is generated during forming, and cavity fullness is ensured; according to the technical scheme, the thrust generated by the upper punch hydraulic cylinder and the die closing thrust generated by the die closing hydraulic cylinder are overlapped to form larger die closing force when the upper punch is formed, so that the hydraulic forging device is a great breakthrough of the existing multidirectional hydraulic forging technology, and has outstanding substantive characteristics and remarkable progress.
Description
Technical Field
The utility model relates to the technical field of power station high-pressure valve body forming, in particular to a power station high-pressure valve body forming die.
Background
The traditional mode for manufacturing the high-pressure valve body of the power station is limited by manufacturing equipment and process conditions, and is usually formed by adopting a casting or free forging process, and a multidirectional hydraulic press is also adopted for forming a valve body or a three-way valve body with small specifications; as patent number CN201210366247.6 discloses a full-closed type multi-directional integral die forging forming process of a large valve body, patent number CN201220499264.2 discloses a multi-directional integral die forging hydraulic press, patent number CN 201822166770. X discloses a multi-directional die forging die special for forming a two-piece ball valve body, patent number CN201922041617.9 discloses a valve multi-directional forming die structure, patent number CN202110632527.6 discloses full-closed type multi-directional die forging equipment and die forging process of a large fracturing valve body; the technology of these patents has the relatively great improvement in the valve body shaping technology, but at the same time, these patent technologies all have a common characteristic in the aspect of valve body shaping technology, namely parting plane is parallel with the plane that the axis forms of valve body neck, both ends, therefore, the clamping force is perpendicular to the direction of shaping driving force, the clamping force needs to be used for resisting all extrusion shaping forces that three shaping punches (terrace dies) produce when the blank extrudes shaping, cause the valve body specification that adopts this kind of technology shaping to be smaller, as shown in figure 6, when the neck end diameter D of valve body exceeds 550mm, neck end face to valve bottom size B exceeds 900mm, design and shaping mode according to parting plane of above-mentioned prior art scheme, because the projected area on the parting plane is big, the clamping force that needs of this kind of technical scheme is very big, on the other hand, in this kind of technical scheme is for the hydraulic cylinder that cooperates the mould structure its shaping neck end is for unilateral level setting (the hydraulic cylinder of shaping left and right end sets up for the pair of hydraulic cylinder, the thrust that the mould produced can offset each other), the horizontal thrust that generally sets up on the back side of the hydraulic press, it produces on the mould is completely acts on the mould and bears the horizontal thrust of the mould and produces the complex stress to produce the connecting piece, the complex structure is produced on the side of the connecting piece, the side is difficult to be made, the fixed, the relative difficulty is caused to the fixed structure, and is difficult to be manufactured.
Disclosure of Invention
The utility model aims to provide a power station high-pressure valve body forming die and a process, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power station high-pressure valve body forming die, the high-pressure valve body is including neck 1, left end 2, right end 3 as an organic whole that link, forming die includes last mould 6, lower mould 7, is used for the last terrace die 10 of shaping neck 1 inner chamber, is used for the left terrace die 11 of shaping left end 2 inner chamber and is used for the right terrace die 12 of shaping right end 3 inner chamber, is used for the shaping the die cavity of neck 1 is located in last mould 6, neck 1 left end 2 the plane that the axis of right end 3 constitutes is perpendicular with the parting plane, during the shaping work go up terrace die 10 application of force direction with go up mould 6 with the die closing force direction of when lower mould 7 compound die.
Further: the upper die 6 comprises an upper die body 602, and an insert 601 connected to the upper end of the upper die body 602, wherein the insert 601 is used for forming at least one section of the end of the neck portion 1.
Further: assuming that the depth of the cavity of the insert 601 is L1, and the total depth from the bottom surface of the cavity of the neck 1 to the parting plane is L2, l1=25% -35%l2.
Further: the insert 601 comprises a cylindrical portion 6011 and a flange portion 6012, an accommodating cavity for accommodating the flange portion 6012 is correspondingly formed in the upper end of the upper die body 602, after assembly, the flange portion 6012 faces to one end face of the cylindrical portion 6011 and the upper end face of the upper die body 602 are flush, the upper end of the cylindrical portion 6011 penetrates through the upper die fixing plate 5, the insert 601 is fixedly connected with the upper die body 602 and the upper die fixing plate 5, and the upper punch 10 penetrates through and is slidably matched in the insert 601.
Further: the high-pressure valve body forming die of the power station further comprises a lower die fixing plate 8, and a lower ejector rod 13 is arranged in the lower die fixing plate 8.
The utility model also provides a forming process of the high-pressure valve body of the power station, which is used for forming the high-pressure valve body of the power station by using the forming die of the high-pressure valve body of the power station, and comprises the following steps:
A. the upper die fixing plate 5 of the forming die is connected with an upper base plate 4 arranged at the lower end of a sliding block 14 of the hydraulic machine, the lower die fixing plate 8 is connected with a lower base plate 9 of the hydraulic machine, the upper punch 10 is connected with the output end of an upper punch hydraulic cylinder 16 through a relay rod 19 which is matched in the sliding block 14 in a sliding way, the left punch 11 and the right punch 12 are respectively connected with a left hydraulic cylinder 17 and a right hydraulic cylinder 18 of the hydraulic machine, and the sliding block 14 is driven by a die closing hydraulic cylinder 15;
B. placing the blank heated to the set temperature into the lower die 7, driving the sliding block 14 to move downwards by the die clamping hydraulic cylinder 15, driving the upper punch 10 to move downwards at a set speed by the upper punch hydraulic cylinder 16, clamping the upper die 6 and the lower die 7 after the sliding block 14 is driven by the die clamping hydraulic cylinder 15 to move downwards, keeping pressure, driving the upper punch 10 to move downwards to a set stroke at the set speed, forming the neck part 1 and the inner cavity of the neck part, keeping pressure, and driving the left punch 11 and the right punch 12 to move forwards by the left hydraulic cylinder 17 and the right hydraulic cylinder 18 respectively and simultaneously, and forming the left end part 2, the right end part 3 and the corresponding inner cavity of the right end part;
C. after the upper male die 10 is driven to rise to a set stroke by the upper male die hydraulic cylinder 16, the die clamping hydraulic cylinder 15 drives the sliding block 14 to rise to drive the upper die 6 to rise to open the die, the high-pressure valve body is left in the lower die 7 under the limit of the left male die 11 and the right male die 12, and after the upper die 6 and the upper male die 10 are raised to the set stroke, the left hydraulic cylinder 17 and the right hydraulic cylinder 18 respectively drive the left male die 11 and the right male die 12 to retreat and reset at the same time;
D. and the lower ejector rod 13 is lifted to eject the high-pressure valve body out of the lower die 7 to realize demoulding of the formed high-pressure valve body forging.
Further: the driving pressure of the die closing hydraulic cylinder 15 is 10000 tons, and the driving pressures of the left hydraulic cylinder 17, the right hydraulic cylinder 18 and the upper punch hydraulic cylinder 16 are 8000 tons.
Further: the die closing hydraulic cylinder 15 and the upper punch hydraulic cylinder 16 are parallel in the direction of application of force.
Further: in step B, after the upper punch hydraulic cylinder 16 drives the upper punch 10 to move downward to form the neck 1 and the inner cavity thereof and maintain pressure, the output end of the upper punch hydraulic cylinder 16 is simultaneously abutted against the corresponding position of the upper end of the slide block 14, and at this time, the mold clamping force is the superposition of the output forces of the upper punch hydraulic cylinder 16 and the mold clamping hydraulic cylinder 15.
The utility model has the beneficial effects that: according to the forming die and the process for the high-pressure valve body of the power station, a cavity for forming the neck is formed in the upper die, a plane formed by axes of the neck, the left end and the right end is perpendicular to a parting plane, the force application direction of the upper punch is consistent with the mold clamping force direction when the upper die and the lower die are clamped, the mold clamping hydraulic cylinder drives the sliding block to move downwards during forming, meanwhile, the upper punch hydraulic cylinder drives the upper punch to move downwards at a set speed, the upper punch is driven to move downwards at the set speed to clamp the upper die and the lower die, the upper punch is driven to move downwards to a set stroke for forming and maintaining the neck and the inner cavity of the neck, then the left hydraulic cylinder and the right hydraulic cylinder are respectively driven to move forwards for forming the left end, the right end and the corresponding inner cavity of the left end, and the right end simultaneously, after the upper punch hydraulic cylinder drives the upper punch to move downwards for forming and maintaining the inner cavity of the neck, the output end of the upper punch is simultaneously abutted to the corresponding position of the upper end of the sliding block, and the mold clamping force is overlapped by the output force of the upper punch and the hydraulic cylinder at the moment; based on the above, when the neck and the inner cavity of the neck are formed, part of the forming force generated by the upper punch on the extrusion forming of the blank is born by the cavity of the forming neck of the upper die, and only part of the forming force acts on the parting plane direction, compared with the prior art, under the condition of the same forming area, the requirement on the clamping force can be remarkably reduced, meanwhile, unidirectional horizontal component force can not be generated between the die and the hydraulic press, the shearing force on a fastening connecting piece for fixing the die is avoided, and the strength requirement when the die is connected with the hydraulic press in an installation way is remarkably reduced; according to the power station high-pressure valve body forming die, after an upper male die hydraulic cylinder drives an upper male die to move downwards to form a neck and an inner cavity of the neck and maintain pressure, the thrust generated by the upper male die hydraulic cylinder is overlapped with the die clamping thrust generated by a die clamping hydraulic cylinder to form larger die clamping force so as to bear extrusion forming force generated by the left male die, the right male die, the left end and the inner cavity of the right male die to form the left end and the right end, the left end and the right end of the left end are stable in die clamping, no flash is generated during forming, and the fullness of the cavity is ensured; according to the technical scheme, the thrust generated by the upper male die hydraulic cylinder and the die closing thrust generated by the die closing hydraulic cylinder are overlapped to form larger die closing force when the upper male die is formed, namely, the technical scheme can utilize the thrust generated by the upper male die hydraulic cylinder as the die closing force, so that the hydraulic forging device is a great breakthrough of the existing multidirectional hydraulic forging technology, and has outstanding substantive characteristics and remarkable progress.
Drawings
FIG. 1 is a schematic diagram of a power station high-pressure valve body forming die structure;
FIG. 2 is a side view of a power station high-pressure valve body forming die structure of the utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic diagram of the power station high-pressure valve body forming die in the die-opening state when installed on a hydraulic press;
fig. 5: a power station high-pressure valve body perspective view formed by the power station high-pressure valve body forming die;
fig. 6 is a cross-sectional view of a high pressure valve body of a power station.
Description of the embodiments
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, a forming die for a high-pressure valve body of a power station is disclosed, the high-pressure valve body comprises a neck 1, a left end 2 and a right end 3 which are connected into a whole, the forming die comprises an upper die 6, a lower die 7, an upper punch 10 for forming an inner cavity of the neck 1, a left punch 11 for forming an inner cavity of the left end 2 and a right punch 12 for forming an inner cavity of the right end 3, a cavity for forming the neck 1 is positioned in the upper die 6, a plane formed by axes of the neck 1, the left end 2 and the right end 3 is perpendicular to a parting plane, and a force application direction of the upper punch 10 is consistent with a clamping force direction when the upper die 6 and the lower die 7 are clamped during forming operation.
Preferably: the upper die 6 comprises an upper die body 602, an insert 601 connected to the upper end of the upper die body 602, the insert 601 being used for forming at least a section of the end of the neck 1; let the depth of the insert 601 cavity be L1, the total depth from the bottom of the neck 1 cavity to the parting plane be L2, l1=25% -35% L2, and as the most preferred embodiment, l1=30%l2 is taken, and the meaning of the arrangement is that: because the most serious abrasion position of the upper die 6 generated by blank flow during forming is the position of the neck end cavity of the upper die body 602 close to the parting plane, the die needs to be repaired or scrapped when the abrasion reaches a set limit, but the abrasion of the neck end cavity close to the end face is very slight, only the upper die body 602 needs to be repaired or scrapped, the insert 601 can be used continuously, the die cost is obviously reduced, and the benefit is improved.
Preferably: the slug 601 includes cylinder portion 6011 and flange portion 6012, upper die body 602 upper end corresponds and is equipped with the chamber that holds that is used for holding flange portion 6012, after the assembly flange portion 6012 orientation cylinder portion 6011's an terminal surface and upper die body 602 up end parallel and level, cylinder portion 6011 upper end runs through last mould fixed plate 5, slug 601, upper die body 602 and upper die fixed plate 5 fixed connection, at this moment, flange portion 6012 orientation cylinder portion 6011's an terminal surface also with last mould fixed plate 5 lower extreme face butt, so, the interchangeability of slug 601 and upper die body 602 has been guaranteed, the neck end die cavity counterpoint of upper die 6 is right after guaranteeing the assembly, assembly is simple swift, the axial effort of blank to slug 601 is born by last mould fixed plate 5 when having guaranteed the neck end shaping again, avoid slug 601 axial displacement, here, run through the slip in slug 601 in order to be connected with the pneumatic cylinder that corresponds on the hydraulic press.
Preferably: the power station high-pressure valve body forming die further comprises a lower die fixing plate 8, a lower ejector rod 13 is arranged in the lower die fixing plate 8 so as to be conveniently arranged on a hydraulic machine, and the ejector rod 13 is driven by the prior art.
The utility model also provides a forming process of the high-pressure valve body of the power station, which is used for forming the high-pressure valve body of the power station by using the forming die of the high-pressure valve body of the power station, and comprises the following steps:
A. the upper die fixing plate 5 of the forming die is connected with an upper backing plate 4 arranged at the lower end of a sliding block 14 of the hydraulic machine, the lower die fixing plate 8 is connected with a lower backing plate 9 of the hydraulic machine, the upper male die 10 is connected with the output end of an upper male die hydraulic cylinder 16 through a relay rod 19 which is slidably matched in the sliding block 14, the left male die 11 and the right male die 12 are respectively connected with a left hydraulic cylinder 17 and a right hydraulic cylinder 18 of the hydraulic machine, the sliding block 14 is driven by a die clamping hydraulic cylinder 15, the relay rod 19 and the upper male die 10 can be designed into an integrated structure, and the embodiment is preferably split;
B. placing the blank heated to the set temperature into the lower die 7, driving the sliding block 14 to move downwards by the die clamping hydraulic cylinder 15, driving the upper punch 10 to move downwards at a set speed by the upper punch hydraulic cylinder 16, clamping the upper die 6 and the lower die 7 after the sliding block 14 is driven by the die clamping hydraulic cylinder 15 to move downwards, keeping pressure, driving the upper punch 10 to move downwards to a set stroke at the set speed, forming the neck part 1 and the inner cavity of the neck part, keeping pressure, and driving the left punch 11 and the right punch 12 to move forwards by the left hydraulic cylinder 17 and the right hydraulic cylinder 18 respectively and simultaneously, and forming the left end part 2, the right end part 3 and the corresponding inner cavity of the right end part;
C. the upper punch hydraulic cylinder 16 drives the upper punch 10 to rise to a set stroke, the die clamping hydraulic cylinder 15 drives the sliding block 14 to rise to drive the upper punch 6 to rise to open the die, and the high-pressure valve body is left in the lower die 7 under the limit of the left punch 11 and the right punch 12, so that reliable demolding of the high-pressure valve body from the upper die 6 is ensured, and when the upper die 6 and the upper punch 10 rise to the set stroke, the left hydraulic cylinder 17 and the right hydraulic cylinder 18 respectively drive the left punch 11 and the right punch 12 to retreat and reset at the same time;
D. the lower ejector rod 13 is lifted to eject the high-pressure valve body out of the lower die 7 to realize demoulding of the formed high-pressure valve body forging, and at the moment, the high-pressure valve body can be taken away from the die area by a carrier.
Preferably: the driving pressure of the mold closing hydraulic cylinders 15 is 10000 tons, the driving pressures of the left hydraulic cylinder 17, the right hydraulic cylinder 18 and the upper punch hydraulic cylinder 16 are 8000 tons, the mold closing hydraulic cylinders 15 are preferably arranged in a rectangular and symmetrical mode on the periphery of the upper punch hydraulic cylinder 16, each mold closing hydraulic cylinder 15 outputs 2500 tons of thrust, the total thrust is 10000 tons, and the output end of each mold closing hydraulic cylinder 15 is correspondingly connected with one corner position of the upper end of the sliding block 14.
Preferably: the direction of application of the mold clamping cylinder 15 and the upper punch cylinder 16 is parallel.
Preferably: in step B, after the upper punch hydraulic cylinder 16 drives the upper punch 10 to move down to form the neck portion 1 and the inner cavity thereof and maintain pressure, the output end of the upper punch hydraulic cylinder 16 is simultaneously abutted against the corresponding position of the upper end of the slide block 14, and at this time, the clamping force is the superposition of the output forces of the upper punch hydraulic cylinder 16 and the clamping hydraulic cylinder 15, so that the total clamping force can reach 18000 tons.
According to the technical scheme, when the neck 1 and the inner cavity of the neck are formed, part of forming force generated by the upper punch 10 on blank extrusion forming is born by the cavity of the forming neck of the upper die 6, and only part of forming force acts on the parting plane direction, so that compared with the prior art, under the condition of the same forming area, the requirement on clamping force can be remarkably reduced, meanwhile, unidirectional horizontal component force can not be generated between the die and the hydraulic press, shearing force on a fastening connecting piece for fixing the die is avoided, the strength requirement when the die is connected with the hydraulic press in an installation way is remarkably reduced, and the hydraulic press is also beneficial to simplifying the structure and improving the reliability and rigidity; according to the power station high-pressure valve body forming die, after the upper punch hydraulic cylinder 16 drives the upper punch 10 to downwards form the neck part 1 and the inner cavity of the neck part and maintain pressure, the thrust generated by the upper punch hydraulic cylinder 16 is overlapped with the die clamping thrust generated by the die clamping hydraulic cylinder 15 to form larger die clamping force so as to bear extrusion forming force generated by the left end part and the right end part formed by the left punch 11 and the right punch 12 and the inner cavity of the left end part, ensure stable die clamping, realize no flash during forming, and ensure the fullness of the cavity; according to the technical scheme, the thrust generated by the upper punch hydraulic cylinder 16 and the die closing thrust generated by the die closing hydraulic cylinder 15 are overlapped to form larger die closing force when the upper punch 10 is formed, namely, the technical scheme can utilize the thrust generated by the upper punch hydraulic cylinder 16 as the die closing force, so that the hydraulic forging device is a great breakthrough of the existing multidirectional hydraulic forging technology, and has outstanding substantive characteristics and remarkable progress.
It should be noted that, in this document, 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.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a power station high pressure valve body forming die, the high pressure valve body is including neck (1), left end (2), right end (3) as an organic whole, forming die includes mould (6), lower mould (7), is used for last terrace die (10) of shaping neck (1) inner chamber, is used for left terrace die (11) of shaping left end (2) inner chamber and is used for right terrace die (12) of shaping right end (3) inner chamber, its characterized in that: the die cavity for forming the neck part (1) is arranged in the upper die (6), a plane formed by axes of the neck part (1), the left end part (2) and the right end part (3) is perpendicular to a parting plane, and the force application direction of the upper punch (10) is consistent with the die clamping force direction of the upper die (6) and the lower die (7) during die clamping during forming operation.
2. The power station high-pressure valve body forming die according to claim 1, wherein: the upper die (6) comprises an upper die body (602), and an insert (601) connected to the upper end of the upper die body (602), wherein the insert (601) is used for forming at least one section of the end of the neck (1).
3. The power station high-pressure valve body forming die according to claim 2, wherein: and if the depth of the cavity of the insert (601) is L1 and the total depth from the bottom surface of the cavity of the neck (1) to the parting plane is L2, L1= (25% -35%) L2.
4. A power station high pressure valve body forming die as claimed in claim 3, wherein: the utility model provides a die, including abaculus (601), including cylinder portion (6011) and flange portion (6012), go up die body (602) upper end correspondence and be equipped with and be used for holding hold chamber of flange portion (6012), after the assembly flange portion (6012) orientation a terminal surface of cylinder portion (6011) with go up die body (602) up end parallel and level, last mould fixed plate (5) are run through to cylinder portion (6011) upper end, abaculus (601) go up die body (602) with go up mould fixed plate (5) fixed connection, go up run through on terrace die (10) the sliding fit in abaculus (601).
5. The power station high-pressure valve body forming die according to claim 1, wherein: the lower die fixing plate (8) is further included, and a lower ejector rod (13) is arranged in the lower die fixing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167048.2U CN219683857U (en) | 2023-05-16 | 2023-05-16 | High-pressure valve body forming die for power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167048.2U CN219683857U (en) | 2023-05-16 | 2023-05-16 | High-pressure valve body forming die for power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219683857U true CN219683857U (en) | 2023-09-15 |
Family
ID=87966923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321167048.2U Active CN219683857U (en) | 2023-05-16 | 2023-05-16 | High-pressure valve body forming die for power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219683857U (en) |
-
2023
- 2023-05-16 CN CN202321167048.2U patent/CN219683857U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101890467B (en) | Hydraulic upsetter | |
| CN219683857U (en) | High-pressure valve body forming die for power station | |
| CN116274823A (en) | Forming die and process for high-pressure valve body of power station | |
| CN216096357U (en) | Pouring mold for vertical casting | |
| CN211757755U (en) | Composite shaping jig | |
| CN209755826U (en) | Exhaust device of mould | |
| CN218361641U (en) | Door frame type powder metallurgy injection molding product sintering back extrusion shaping die | |
| CN206643333U (en) | Extrusion casting machine moving platen forges and presses cylinder apparatus | |
| CN216068475U (en) | Automatic cut mouth of a river plastic goods injection mold | |
| CN217617252U (en) | Processing frock that general type clamp class part takes shape | |
| CN220591449U (en) | Fixing device of clamping table of forging forming machine | |
| CN216544882U (en) | Lower punching die for producing products with steps | |
| CN219211224U (en) | Flanging die | |
| CN215549509U (en) | Double-mould high-pressure grouting machine | |
| CN209955378U (en) | Mold blank top forming device for complex mold | |
| CN215039947U (en) | Electric appliance injection mold capable of being accurately positioned | |
| CN215242697U (en) | Plastic package hardware injection mold with guide auxiliary mechanism | |
| CN212888493U (en) | Mobile phone shell mold convenient for demolding | |
| CN214768655U (en) | Die forging hydraulic press die assembly | |
| CN219788969U (en) | Mould carrier | |
| CN215467132U (en) | Cold extrusion die for pump core cover plate parts | |
| CN216397883U (en) | Left-right common mode multidirectional die forging die structure for valve body forge piece with main flange | |
| CN213797679U (en) | A mould for making water tank sealing plug | |
| CN221047119U (en) | Pressing forming die | |
| CN211276242U (en) | But fixed stamping die of high-speed joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |