CN111692507A - Special liquid state intelligence casting and forging machine of heavily blocking flywheel casing - Google Patents
Special liquid state intelligence casting and forging machine of heavily blocking flywheel casing Download PDFInfo
- Publication number
- CN111692507A CN111692507A CN202010568313.2A CN202010568313A CN111692507A CN 111692507 A CN111692507 A CN 111692507A CN 202010568313 A CN202010568313 A CN 202010568313A CN 111692507 A CN111692507 A CN 111692507A
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- China
- Prior art keywords
- forging machine
- sliding
- special liquid
- elevating platform
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005242 forging Methods 0.000 title claims abstract description 23
- 238000005266 casting Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title claims abstract description 17
- 230000000903 blocking effect Effects 0.000 title claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 17
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000314 lubricant Substances 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
- 238000005496 tempering Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/08—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
- F16N11/04—Spring-loaded devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a special liquid intelligent casting and forging machine for a heavy truck flywheel shell, which comprises a main oil cylinder, a bottom plate, sliding columns, a lifting table and a beating device, wherein four sliding columns are symmetrically fixed on the top surface of the bottom plate, the top ends of the sliding columns are provided with the main oil cylinder, the lifting table is arranged below the main oil cylinder in parallel, the sliding columns are in sliding connection with the lifting table, the telescopic end of the main oil cylinder is fixedly connected with the lifting table, the bottom surface of the lifting table is correspondingly provided with the beating device with the top surface of the bottom plate, the casting and forging machine is convenient for pre-isolating a processing position when the equipment is pressed down, increasing the protection for personnel around the device, improving the use safety, and meanwhile, the sliding cylinder is convenient to control the friction force on the surface of the sliding columns through the sliding contact between the sliding cylinder and the sliding columns, when the friction force on the surface of the sliding columns is larger, the sliding cylinder can slide relatively to coat oil and lubricate the, the sliding lifting of the lifting platform is guaranteed, and the power loss caused by resistance is reduced.
Description
Technical Field
The invention relates to the technical field of casting and forging machines, in particular to a special liquid intelligent casting and forging machine for a heavy truck flywheel shell.
Background
The heavy truck fitting is processed strictly, and the processing equipment is large, so that the heavy truck fitting with stable stress can be processed well.
The processing of heavily blocking flywheel shell is necessary processing equipment, and traditional horizontal hydraulic pressure processing equipment processing effect is comparatively general, uses vertical equipment effectively to improve processing stability, because vertical processing's pressure is great, and danger is higher, need separate the fender to the edge of processing position, but present equipment does not have stable protection device, and the gliding resistance requirement of vertical lift is comparatively strict moreover, and the lift resistance of present vertical device can not obtain effectual guarantee.
Therefore, the special liquid intelligent casting and forging machine for the heavy truck flywheel casing is provided.
Disclosure of Invention
The invention aims to provide a special liquid intelligent casting and forging machine for a heavy truck flywheel casing, which is high in use safety and low in resistance consumption, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special liquid intelligent casting and forging machine of heavily blocking flywheel shell, includes master cylinder, bottom plate, traveller, elevating platform and ramming device, bottom plate top surface symmetry is fixed with four travelers, and installs the master cylinder on the traveller top, master cylinder below parallel arrangement has the elevating platform, the traveller slides cross-under with the elevating platform, the flexible end and the elevating platform fixed connection of master cylinder, the elevating platform bottom surface corresponds with the bottom plate top surface and installs ramming device, the protector of processing district is kept apart in man-hour to elevating platform one side installation, but the lubricating arrangement of automatic oil supply is installed at the inside traveller connection position that is located of elevating platform.
Preferably, protector includes backplate, reset spring, catching groove and roll ware, the catching groove has been seted up to the elevating platform side, and slidable mounting has the backplate in the catching groove, the embedding of catching groove inner wall is installed and is rolled the ware, the backplate top is fixed with reset spring, and the backplate passes through reset spring and elevating platform fixed connection.
Preferably, the bottom plate surface is provided with an embedded groove at a position corresponding to the guard plate, and a rubber layer is fixed on the inner wall of the embedded groove.
Preferably, the guard plate comprises a tempered transparent plate and a metal frame, and the metal frame is packaged and fixed on the edge of the tempered transparent plate.
Preferably, the rolling device comprises a strip plate, rolling grooves and balls, the strip plate is fixedly connected with the buckling grooves, the rolling grooves are formed in the surface of the strip plate at equal intervals, the balls are installed in the rolling grooves, and the balls are in rolling contact with the edge of the guard plate.
Preferably, lubricating arrangement includes sleeve, slide cartridge, expanding spring, oil groove, oilhole and oil seal nail, sleeve and elevating platform fixed connection, sleeve inner wall slidable mounting has the slide cartridge, and the slide cartridge passes through expanding spring and sleeve elastic connection, the traveller slides and passes sleeve and slide cartridge, the oil groove has been seted up to the sleeve side, and the oil groove bottom is located the slide cartridge and has corresponded the position and seted up the oilhole, the oil seal nail is installed in the meshing of oil groove top.
Preferably, the sponge body is arranged in the oil groove in a matched mode.
Preferably, drag chains are installed on the side edges of the main oil cylinder and the lifting platform, and a ladder stand is fixedly installed on the side edge of the main oil cylinder.
Preferably, the bottom of the main oil cylinder is positioned at the output end of the oil cylinder, and a sealing element is installed on the bottom of the main oil cylinder.
Compared with the prior art, the invention has the beneficial effects that:
the sliding elastic installation of the protective plate facilitates the pre-isolation of the processing position when the equipment is pressed down to work, increases the protection of personnel around the device, improves the use safety, simultaneously facilitates the control of the friction force on the surface of the sliding column through the sliding contact of the sliding cylinder and the sliding column, and ensures that the sliding cylinder slides relatively to lubricate the sliding column when the friction force on the surface of the sliding column is larger, thereby ensuring the sliding lifting of the lifting platform and reducing the power loss caused by resistance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the protection device of the present invention;
FIG. 3 is a schematic view of a guard plate limiting structure of the present invention;
FIG. 4 is a schematic view of the structure of the guard plate of the present invention;
FIG. 5 is a schematic view of the construction of the roll of the present invention;
fig. 6 is a schematic structural view of the lubricating device of the present invention.
In the figure: 1. a master cylinder; 2. a base plate; 3. a traveler; 4. a lifting platform; 5. a guard; 51. a guard plate; 511. tempering the transparent plate; 512. a metal frame; 52. caulking grooves; 53. a rubber layer; 54. a return spring; 55. buckling grooves; 56. a roller; 561. laths; 562. rolling a groove; 563. a ball bearing; 6. a lubricating device; 61. a sleeve; 62. a slide cylinder; 63. a tension spring; 64. an oil sump; 65. a sponge body; 66. an oil hole; 67. oil seal nails; 7. a knockout device; 8. a drag chain; 9. a seal member; 10. the ladder is climbed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the illustrated liquid intelligent casting and forging machine special for the flywheel housing of the heavy truck comprises a main oil cylinder 1, a bottom plate 2, sliding columns 3, a lifting table 4 and a forging device 7, wherein the four sliding columns 3 are symmetrically fixed on the top surface of the bottom plate 2, the main oil cylinder 1 is installed at the top ends of the sliding columns 3, the lifting table 4 is arranged below the main oil cylinder 1 in parallel, the sliding columns 3 are in sliding connection with the lifting table 4, the telescopic end of the main oil cylinder 1 is fixedly connected with the lifting table 4, the forging device 7 is installed on the bottom surface of the lifting table 4 and the top surface of the bottom plate 2 correspondingly, and the lifting table 4 is driven by the main oil cylinder 1 to slide and lift along the sliding columns 3, so that the forging device 7 performs hydraulic forging on the flywheel housing of the heavy.
Referring to fig. 1, a protection device 5 convenient for isolating a processing area during processing is installed on one side of the lifting table 4, the protection device 5 is selectively installed on any one side of the device to separate and block the processing area, so as to improve safety protection for operators around the device, and a lubricating device 6 capable of automatically supplying oil is installed on a connecting part of the sliding column 3 inside the lifting table 4, so that lifting self-lubrication of the lifting table 4 is realized, resistance energy consumption is reduced, and maintenance of the device is improved.
Referring to fig. 2 and 3, the protection device 5 includes a protection plate 51, a return spring 54, a buckle groove 55 and a roller 56, the side of the lifting platform 4 is provided with the buckle groove 55, the protection plate 51 is slidably mounted in the buckle groove 55, the roller 56 is embedded in the inner wall of the buckle groove 55, the top end of the protection plate 51 is fixed with the return spring 54, the protection plate 51 is fixedly connected with the lifting platform 4 through the return spring 54, when the lifting platform 4 descends, the protection plate 51 contacts with the bottom plate 2 to isolate a processing area, the protection plate 51 slides relative to the lifting platform 4 along with continuous descending of the lifting platform 4, the return spring 54 is stretched until the processing is finished, the lifting platform 4 moves upwards to reset, then the return spring 54 resets, and then the protection plate 51 is driven to move upwards.
Referring to fig. 2, a caulking groove 52 is formed on the surface of the bottom plate 2 at a position corresponding to the guard plate 51, and a rubber layer 53 is fixed on the inner wall of the caulking groove 52, so that the bottom end of the guard plate 51 can be stably clamped with the bottom plate 2, and when an abnormal crack occurs in a processing area, the guard plate 51 has enough stress points to block an object.
Referring to fig. 4, the protective plate 51 includes a transparent tempered plate 511 and a metal frame 512, the metal frame 512 is encapsulated and fixed at the edge of the transparent tempered plate 511, the transparent tempered plate 511 has high-strength anti-collision protection, the processing condition can be clearly observed, and the installation of the metal frame 512 realizes convenient installation of the protective plate 51.
Referring to fig. 5, the rolling device 56 includes a slat 561, a rolling groove 562, and balls 563, the slat 561 is fixedly connected to the catching groove 55, the rolling groove 562 is formed on the surface of the slat 561 at an equal distance, the balls 563 are installed in the rolling groove 562, the balls 563 are in rolling contact with the edge of the protection plate 51, and the stable lifting movement of the protection plate 51 is realized through the rolling contact between the balls 563 and the protection plate 51.
Referring to fig. 6, the lubricating device 6 includes a sleeve 61, a sliding cylinder 62, an extension spring 63, an oil groove 64, an oil hole 66 and an oil seal nail 67, the sleeve 61 is fixedly connected to the lifting table 4, the sliding cylinder 62 is slidably mounted on an inner wall of the sleeve 61, the sliding cylinder 62 is elastically connected to the sleeve 61 through the extension spring 63, the sliding column 3 slidably passes through the sleeve 61 and the sliding cylinder 62, the oil groove 64 is formed in a side edge of the sleeve 61, the oil hole 66 is formed in a position corresponding to the sliding cylinder 62 at a bottom end of the oil groove 64, the oil seal nail 67 is engaged with a top end of the oil groove 64, when the surface of the sliding column 3 is smooth, the sliding cylinder 62 is pulled by an elastic force of the extension spring 63 to maintain a relatively fixed position to be slidably connected to the sliding column 3, when the surface friction force of the sliding column 3 is large, the sliding cylinder 62 compresses the extension spring 63 to relatively displace with the sleeve 61 under the influence of the friction force, the oil hole 66 is, the lifting lubrication guarantee of the lifting platform 4 is realized.
Referring to fig. 6, the sponge 65 is disposed inside the oil groove 64 to maintain the lubricant.
Referring to fig. 1, tow chains 8 are installed on the sides of the main oil cylinder 1 and the lifting platform 4 to protect a connection circuit, and a ladder stand 10 is fixedly installed on the side of the main oil cylinder 1 to facilitate later-stage climbing of equipment for maintenance.
And a sealing element 9 is arranged at the output end of the oil cylinder at the bottom of the main oil cylinder 1, so that the oil seal of the main oil cylinder 1 is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a special liquid intelligent casting and forging machine of heavily blocking flywheel shell, includes master cylinder (1), bottom plate (2), traveller (3), elevating platform (4) and knockout device (7), bottom plate (2) top surface symmetry is fixed with four travelers (3), and traveller (3) top installs master cylinder (1), master cylinder (1) below parallel arrangement has elevating platform (4), traveller (3) and elevating platform (4) slip cross-under, the flexible end and elevating platform (4) fixed connection of master cylinder (1), install knockout device (7), its characterized in that with bottom plate (2) top surface correspondence in elevating platform (4) bottom surface: protection device (5) convenient to keep apart the processing district during processing are installed to elevating platform (4) one side, but elevating platform (4) inside is located traveller (3) connection position and installs lubricating arrangement (6) of automatic oil supply.
2. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 1, wherein: protector (5) include backplate (51), reset spring (54), catching groove (55) and roll ware (56), catching groove (55) have been seted up to elevating platform (4) side, and slidable mounting has backplate (51) in catching groove (55), catching groove (55) inner wall embedding is installed and is rolled ware (56), backplate (51) top is fixed with reset spring (54), and backplate (51) through reset spring (54) and elevating platform (4) fixed connection.
3. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 2, wherein: the surface of the bottom plate (2) is provided with a caulking groove (52) at the corresponding position of the guard plate (51), and a rubber layer (53) is fixed on the inner wall of the caulking groove (52).
4. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 2, wherein: the protective plate (51) comprises a tempered transparent plate (511) and a metal frame (512), and the metal frame (512) is packaged and fixed on the edge of the tempered transparent plate (511).
5. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 2, wherein: the rolling device (56) comprises a lath (561), rolling grooves (562) and balls (563), the lath (561) is fixedly connected with a buckling groove (55), the rolling grooves (562) are formed in the surface of the lath (561) at equal intervals, the balls (563) are installed in the rolling grooves (562), and the balls (563) are in rolling contact with the edge of the guard plate (51).
6. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 1, wherein: lubricating arrangement (6) include sleeve (61), slide cartridge (62), expanding spring (63), oil groove (64), oilhole (66) and oil seal nail (67), sleeve (61) and elevating platform (4) fixed connection, sleeve (61) inner wall slidable mounting has slide cartridge (62), and slide cartridge (62) through expanding spring (63) and sleeve (61) elastic connection, slide column (3) slide and pass sleeve (61) and slide cartridge (62), oil groove (64) have been seted up to sleeve (61) side, and oil groove (64) bottom is located slide cartridge (62) and corresponds the position and seted up oilhole (66), oil groove (64) top meshing is installed and is sealed oil nail (67).
7. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 6, wherein: and a sponge body (65) is arranged in the oil groove (64) in a matched manner.
8. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 1, wherein: drag chains (8) are installed on the side edges of the main oil cylinder (1) and the lifting platform (4), and a ladder stand (10) is fixedly installed on the side edge of the main oil cylinder (1).
9. The special liquid intelligent casting and forging machine for the heavy truck flywheel casing as claimed in claim 1, wherein: and a sealing element (9) is arranged at the output end of the oil cylinder at the bottom of the main oil cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568313.2A CN111692507B (en) | 2020-06-19 | 2020-06-19 | Special liquid state intelligence casting and forging machine of heavily blocking flywheel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568313.2A CN111692507B (en) | 2020-06-19 | 2020-06-19 | Special liquid state intelligence casting and forging machine of heavily blocking flywheel casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111692507A true CN111692507A (en) | 2020-09-22 |
| CN111692507B CN111692507B (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010568313.2A Active CN111692507B (en) | 2020-06-19 | 2020-06-19 | Special liquid state intelligence casting and forging machine of heavily blocking flywheel casing |
Country Status (1)
| Country | Link |
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| CN (1) | CN111692507B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202461967U (en) * | 2012-01-20 | 2012-10-03 | 广州有色金属研究院 | Casting and forging hydraulic machine |
| US20170284600A1 (en) * | 2006-10-04 | 2017-10-05 | Compressor Products International Llc | Environmental compressor protection assembly |
| CN208146955U (en) * | 2018-05-09 | 2018-11-27 | 郑州市祥龙泵业有限公司 | The dust-proof puncher of rapid shaping |
| CN209511559U (en) * | 2019-01-02 | 2019-10-18 | 朱云钟 | A kind of mechanical equipment lubricating arrangement |
| CN110653657A (en) * | 2019-09-03 | 2020-01-07 | 胡日都胡 | A safe CNC milling machine that is easy to clean the workbench |
-
2020
- 2020-06-19 CN CN202010568313.2A patent/CN111692507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170284600A1 (en) * | 2006-10-04 | 2017-10-05 | Compressor Products International Llc | Environmental compressor protection assembly |
| CN202461967U (en) * | 2012-01-20 | 2012-10-03 | 广州有色金属研究院 | Casting and forging hydraulic machine |
| CN208146955U (en) * | 2018-05-09 | 2018-11-27 | 郑州市祥龙泵业有限公司 | The dust-proof puncher of rapid shaping |
| CN209511559U (en) * | 2019-01-02 | 2019-10-18 | 朱云钟 | A kind of mechanical equipment lubricating arrangement |
| CN110653657A (en) * | 2019-09-03 | 2020-01-07 | 胡日都胡 | A safe CNC milling machine that is easy to clean the workbench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111692507B (en) | 2022-10-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Special Liquid Intelligent Casting and Forging Machine for Heavy Duty Truck Flywheel Housing Effective date of registration: 20230518 Granted publication date: 20221028 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: Zhejiang Zhixin Auto Parts Co.,Ltd. Registration number: Y2023980040918 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20221028 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: Zhejiang Zhixin Auto Parts Co.,Ltd. Registration number: Y2023980040918 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A specialized liquid intelligent casting and forging machine for heavy-duty truck flywheel housing Granted publication date: 20221028 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: Zhejiang Zhixin Auto Parts Co.,Ltd. Registration number: Y2024980026409 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |