CN219326795U - Cast steel ball cooling device - Google Patents
Cast steel ball cooling device Download PDFInfo
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- CN219326795U CN219326795U CN202320743414.8U CN202320743414U CN219326795U CN 219326795 U CN219326795 U CN 219326795U CN 202320743414 U CN202320743414 U CN 202320743414U CN 219326795 U CN219326795 U CN 219326795U
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- Prior art keywords
- cooling
- fixedly connected
- steel ball
- cooling box
- water
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- 238000001816 cooling Methods 0.000 title claims abstract description 86
- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 28
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 12
- 238000005096 rolling process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses a cast steel ball cooling device, which relates to the technical field of steel ball cooling, and comprises a cooling box, wherein the bottom of the cooling box is fixedly connected with a water tank, the center of the top of the rear end face of the cooling box is fixedly connected with a bearing seat, the inside of the cooling box is connected with a net drum through a movable adjusting component, the inside of the water tank is provided with a circulating cooling component, the movable adjusting component comprises a stepping motor, a screw rod, a movable block, a sliding block, a connecting frame and a lantern ring, and the circulating cooling component comprises a bidirectional water pump, a conveying pipe, a three-way pipe, a longitudinal pipe and a spray head. The utility model relates to a cast steel ball cooling device, which drives a steel ball to reciprocate through a net drum by virtue of a movable adjusting assembly and a circulating cooling assembly, and comprehensively sprays and cools the steel ball while rolling, so that the contact area of the steel ball and cooling water is increased, the cooling effect and efficiency are improved, water resources can be recycled, and the waste of the water resources is avoided.
Description
Technical Field
The utility model relates to the technical field of steel ball cooling, in particular to a cast steel ball cooling device.
Background
The steel balls are divided into grinding steel balls, forging steel balls and casting steel balls according to the production and processing technology. Bearing steel balls, steel ball balls, alloy balls and the like are classified according to the processing materials. The bearing steel ball is an important basic part in industry, the alloy steel ball is a spherical iron alloy wear-resistant body which is produced by taking carbon, chromium, manganese, molybdenum and the like as main added metal elements, forging, rolling, casting and the like, and is the most important component of grinding industrial mine balls, cement balls and the like at present. In the steel ball processing process, the steel ball needs to be quenched, the quenched steel ball has high temperature, and the steel ball needs to be cooled down for subsequent processing.
In the utility model patent of the 'steel ball cooling device' with the patent number of 202020290964.5, a steel ball to be cooled is placed into a feeding end, the steel ball rolls through an inclined plate, at the moment, a water pump passes through, water is sprayed through a spray header to cool the steel ball, the steel ball enters a fan cooling chamber through an inclined discharging end, a blower is used for carrying out secondary cooling on the steel ball and removing water on the surface of the steel ball, the water flows through the inclined plate through the discharging end, enters the bottom of the spray cooling chamber and the fan cooling chamber through a through hole on the discharging end, and enters a water tank through a second water outlet and a first water outlet respectively, and the water in the water tank is cooled through a heat dissipation fin in the water tank.
The steel balls cannot be cooled comprehensively in the above patent, and the steel balls cannot be cooled uniformly, so that the cooling effect is poor, the cooling efficiency is low, the subsequent processing is affected, and the water resource waste is unfavorable for environmental protection, so that the cast steel ball cooling device is necessary.
Disclosure of Invention
The utility model mainly aims to provide a cast steel ball cooling device which can effectively solve the problems that in the background technology, the steel ball is not fully cooled, the steel ball cannot be cooled in an all-round way, the cooling effect of the steel ball is poor, the cooling efficiency is low, the subsequent processing is affected, and the water resource waste is unfavorable for environmental protection.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the casting steel ball cooling device comprises a cooling box, wherein a water tank is fixedly connected to the bottom of the cooling box, a bearing seat is fixedly connected to the center of the top of the rear end face of the cooling box, a net drum is connected to the inside of the cooling box through a movable adjusting component, and a circulating cooling component is arranged in the water tank;
the movable adjusting assembly comprises a stepping motor, a screw rod, a movable block, sliding blocks, connecting frames and a lantern ring, wherein the stepping motor is fixedly connected to the center of the top of the front end of the cooling box, the driving end of the stepping motor is fixedly connected with one end of the screw rod, the other end of the screw rod is movably connected with the bearing seat, the movable block is sleeved on the peripheral surface of the screw rod, the bottom of the movable block is fixedly connected with the top of the sliding blocks, the connecting frames are fixedly connected to the two sides of the sliding blocks, the lantern ring is sleeved on the outer surface of the net barrel, and the two side surfaces of the lantern ring are respectively fixedly connected with one ends of the two connecting frames;
the circulating cooling assembly comprises a bidirectional water pump, a conveying pipe, a three-way pipe, a longitudinal pipe and a spray head, wherein the bidirectional water pump is fixedly connected to the center of an inner bottom plate of the water tank, the conveying pipe is fixedly connected to two ends of the bidirectional water pump, the longitudinal pipe is fixedly connected to one end of the conveying pipe through the three-way pipe, and the spray head is fixedly connected to one side of the longitudinal pipe.
Preferably, the number of the longitudinal pipes is two, the two longitudinal pipes are symmetrically distributed by taking the net barrel as an axial center, the number of the spray heads is a plurality, and the spray heads are linearly distributed on one side of the longitudinal pipes at equal intervals.
Preferably, a sliding groove is longitudinally formed in the top of the cooling box, the sliding groove is communicated with the inside of the cooling box, and the sliding block is movably arranged in the sliding groove and slides in the sliding groove.
Preferably, a fixed rod is fixedly connected between two opposite inner walls of the sliding groove, a through hole is formed in one side of the sliding block in a penetrating mode, and the sliding block is sleeved on the outer surface of the fixed rod through the through hole.
Preferably, a water collecting table is fixedly connected between the inner walls of the bottom end of the cooling box, the top of the water collecting table is of an inward concave structure, a leak hole is formed in the center of the inward concave of the water collecting table in a penetrating mode, and the leak hole is communicated with the inside of the water tank.
Preferably, a filter screen is fixedly connected between the inner walls of the cooling box, and the filter screen is positioned between the water collecting table and the cylinder.
Preferably, the net drum is positioned at the center of an inner shaft of the cooling box, the lantern ring is sleeved at the center of an outer surface shaft of the net drum, and the spray head and one side center of the net drum are positioned on the same horizontal plane.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the steel ball to be cooled is placed in the net barrel through the arranged moving adjusting component and the circulating cooling component, the box door is firstly opened, then the stepping motor and the bidirectional water pump are started at the same time, the bidirectional water pump pumps a cooling water source in the water tank to be conveyed by the two conveying pipes, the cooling water source is conveyed into the two longitudinal pipes through the three-way pipe, the cooling water is sprayed out at high pressure by the plurality of spray heads arranged on one side of the longitudinal pipes, the steel ball in the net barrel is sprayed and cooled, when the stepping motor is started to drive the screw rod to rotate through the bearing seat, the moving block moves back and forth on the outer surface of the screw rod, the sliding block moves back and forth on the fixed rod in the sliding groove, and the reciprocating motion of the sliding block drives the net barrel to do linear reciprocating motion in the cooling box through the cooperation of the connecting frame and the lantern ring, so that the steel ball in the net barrel can follow rolling, and the plurality of spray heads can cool the outer surface of the rolling steel ball through the spraying motion of the net barrel. The device drives the steel ball to move back and forth through the net drum, and the steel ball is comprehensively sprayed and cooled while rolling, so that the contact area of the steel ball and cooling water is increased, the cooling effect and efficiency are improved, water resources can be recycled, and the waste of the water resources is avoided.
Drawings
FIG. 1 is a schematic perspective view of a cast steel ball cooling apparatus according to the present utility model;
FIG. 2 is a schematic diagram showing the front view of the cooling device for casting steel balls in the internal sectional structure of the utility model;
FIG. 3 is a perspective view of a cage of the cooling device for casting steel balls according to the present utility model;
FIG. 4 is a schematic top view of a water collecting table of a cast steel ball cooling device according to the present utility model;
fig. 5 is an enlarged schematic view of the cooling apparatus for cast steel balls of fig. 2 according to the present utility model.
In the figure: 1. a cooling box; 2. a water tank; 3. a bearing seat; 4. a net drum; 5. a stepping motor; 6. a screw rod; 7. a moving block; 8. a sliding block; 9. a fixed rod; 10. a connecting frame; 11. a collar; 12. a two-way water pump; 13. a delivery tube; 14. a three-way pipe; 15. a longitudinal tube; 16. a spray head; 17. a water collecting table; 18. a leak hole; 19. a filter screen; 20. a chute; 21. and a through hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, the utility model discloses a cast steel ball cooling device, which comprises a cooling box 1, wherein a water tank 2 is fixedly connected to the bottom of the cooling box 1, a bearing seat 3 is fixedly connected to the center of the top of the rear end surface of the cooling box 1, a net drum 4 is connected to the inside of the cooling box 1 through a movable adjusting component, and a circulating cooling component is arranged in the water tank 2;
the movable adjusting assembly comprises a stepping motor 5, a screw rod 6, a movable block 7, a sliding block 8, a connecting frame 10 and a lantern ring 11, wherein the stepping motor 5 is fixedly connected to the center of the top of the front end of the cooling box 1, the driving end of the stepping motor 5 is fixedly connected with one end of the screw rod 6, the other end of the screw rod 6 is movably connected with the bearing seat 3, the movable block 7 is sleeved on the peripheral surface of the screw rod 6, the bottom of the movable block 7 is fixedly connected with the top of the sliding block 8, the connecting frames 10 are fixedly connected to the two sides of the sliding block 8, the lantern ring 11 is sleeved on the outer surface of the net drum 4, and the two side surfaces of the lantern ring 11 are respectively fixedly connected with one ends of the two connecting frames 10;
the circulating cooling assembly comprises a bidirectional water pump 12, a conveying pipe 13, a three-way pipe 14, a longitudinal pipe 15 and a spray head 16, wherein the bidirectional water pump 12 is fixedly connected to the center of the inner bottom plate of the water tank 2, the conveying pipe 13 is fixedly connected to both ends of the bidirectional water pump 12, the longitudinal pipe 15 is fixedly connected to one end of the conveying pipe 13 through the three-way pipe 14, and the spray head 16 is fixedly connected to one side of the longitudinal pipe 15.
The number of the longitudinal pipes 15 is two, the two longitudinal pipes 15 are symmetrically distributed by taking the net drum 4 as an axis center, the number of the spray heads 16 is a plurality, the spray heads 16 are linearly and equidistantly distributed on one side of the longitudinal pipes 15, the spray range of the steel balls is improved by the spray heads 16, and the cooling effect of the steel balls is improved.
The spout 20 has been vertically seted up at the top of cooling tank 1, and spout 20 is linked together with the inside of cooling tank 1, and slider 8 activity sets up in the inside of spout 20, and slides in the inside of spout 20, fixedly connected with dead lever 9 between two inside walls that the inside of spout 20 is relative, and through-hole 21 has been seted up in running through of one side of slider 8, and slider 8 passes through the surface that the dead lever 9 was located to through-hole 21 cover, and the removal of supplementary movable block 7 guarantees the stability when net section of thick bamboo 4 round trip movement.
Fixedly connected with gathers water platform 17 between the inside bottom inner wall of cooling tank 1, the top that gathers water platform 17 is concave structure in, gathers water platform 17 concave center department and runs through and offer leak hole 18, and leak hole 18 is linked together with the inside of water tank 2, can concentrate the inside of water tank 2 with filterable cooling water and carry out recycle.
Fixedly connected with filter screen 19 between the inner wall of cooling tank 1, filter screen 19 are located between water collecting table 17 and the net section of thick bamboo 4, can drop the washing cooling of the water source through the chip that the steel ball surface attached, filter the chip by filter screen 19, guarantee the reuse of water source.
The net drum 4 is positioned at the center of the inner shaft of the cooling box 1, the lantern ring 11 is sleeved at the center of the outer surface shaft of the net drum 4, the spray heads 16 and one side center of the net drum 4 are positioned on the same horizontal plane, the plurality of spray heads 16 on two sides spray cooling water in a high-pressure linear mode to cool the outer surface of the rolling steel ball, the contact area of the steel ball and the cooling water is improved, and cooling is more uniform.
The working principle of the utility model is as follows: when the cooling device is used, firstly, a steel ball to be cooled is placed in the net barrel 4 through the opening of the box door, then, the stepping motor 5 and the bidirectional water pump 12 are started simultaneously, the bidirectional water pump 12 pumps a cooling water source in the water tank 2, the cooling water source is conveyed by the two conveying pipes 13, the cooling water is conveyed into the two longitudinal pipes 15 through the three-way pipe 14, the cooling water is sprayed out at high pressure by the plurality of spray heads 16 arranged on one side of the longitudinal pipes 15, the steel ball in the net barrel 4 is sprayed and cooled, when the stepping motor 5 is started to drive the screw rod 6 to rotate through the bearing seat 3, the moving block 7 makes reciprocating motion on the outer surface of the screw rod 6, the reciprocating motion of the moving block 7 enables the sliding block 8 to make reciprocating motion on the fixed rod 9 in the sliding groove 20, the reciprocating motion of the sliding block 8 drives the net barrel 4 to make linear reciprocating motion in the cooling box 1 through the cooperation of the connecting frame 10 and the lantern ring 11, the steel ball in the net barrel 4 can follow the rolling, and the plurality of spray heads 16 make the outer surface of the rolling steel ball to be sprayed and cooled through the movement of the net barrel 4.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A casting steel ball cooling device is characterized in that: the cooling device comprises a cooling box (1), wherein a water tank (2) is fixedly connected to the bottom of the cooling box (1), a bearing seat (3) is fixedly connected to the center of the top of the rear end face of the cooling box (1), a net drum (4) is connected to the inside of the cooling box (1) through a movable adjusting component, and a circulating cooling component is arranged inside the water tank (2);
the movable adjusting assembly comprises a stepping motor (5), a screw rod (6), a movable block (7), a sliding block (8), a connecting frame (10) and a lantern ring (11), wherein the stepping motor (5) is fixedly connected to the center of the top of the front end of the cooling box (1), the driving end of the stepping motor (5) is fixedly connected with one end of the screw rod (6), the other end of the screw rod (6) is movably connected with the bearing seat (3), the movable block (7) is sleeved on the outer peripheral surface of the screw rod (6), the bottom of the movable block (7) is fixedly connected with the top of the sliding block (8), the connecting frames (10) are fixedly connected to the two sides of the sliding block (8), the lantern ring (11) is sleeved on the outer surface of the net drum (4), and the two side surfaces of the lantern ring (11) are respectively fixedly connected with one ends of the two connecting frames (10).
The circulating cooling assembly comprises a bidirectional water pump (12), a conveying pipe (13), a three-way pipe (14), a longitudinal pipe (15) and a spray head (16), wherein the bidirectional water pump (12) is fixedly connected to the center of the inner bottom plate of the water tank (2), the conveying pipe (13) is fixedly connected to the two ends of the bidirectional water pump (12), the longitudinal pipe (15) is fixedly connected to one end of the conveying pipe (13) through the three-way pipe (14), and the spray head (16) is fixedly connected to one side of the longitudinal pipe (15).
2. The cast steel ball cooling apparatus as claimed in claim 1 wherein: the number of the longitudinal pipes (15) is two, the two longitudinal pipes (15) are symmetrically distributed by taking the net drum (4) as an axis center, the number of the spray heads (16) is a plurality, and the spray heads (16) are linearly distributed on one side of the longitudinal pipes (15) at equal intervals.
3. A cast steel ball cooling apparatus as claimed in claim 2 wherein: the top of the cooling box (1) is longitudinally provided with a sliding groove (20), the sliding groove (20) is communicated with the inside of the cooling box (1), and the sliding block (8) is movably arranged in the sliding groove (20) and slides in the sliding groove (20).
4. A cast steel ball cooling apparatus as claimed in claim 3 wherein: a fixed rod (9) is fixedly connected between two opposite inner walls of the sliding groove (20), a through hole (21) is formed in one side of the sliding block (8) in a penetrating mode, and the sliding block (8) is sleeved on the outer surface of the fixed rod (9) through the through hole (21).
5. The cast steel ball cooling apparatus as claimed in claim 4 wherein: fixedly connected with gathers water platform (17) between the inside bottom inner wall of cooling tank (1), the top that gathers water platform (17) is concave structure, the indent center department that gathers water platform (17) runs through and has offered leak (18), leak (18) are linked together with the inside of water tank (2).
6. The cast steel ball cooling apparatus as claimed in claim 5 wherein: a filter screen (19) is fixedly connected between the inner walls of the cooling box (1), and the filter screen (19) is positioned between the water collecting table (17) and the screen drum (4).
7. The cast steel ball cooling apparatus as claimed in claim 6 wherein: the net barrel (4) is positioned at the center of the inner shaft of the cooling box (1), the lantern ring (11) is sleeved at the center of the outer surface shaft of the net barrel (4), and the spray head (16) and the center of one side of the net barrel (4) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743414.8U CN219326795U (en) | 2023-04-03 | 2023-04-03 | Cast steel ball cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743414.8U CN219326795U (en) | 2023-04-03 | 2023-04-03 | Cast steel ball cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219326795U true CN219326795U (en) | 2023-07-11 |
Family
ID=87066357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320743414.8U Active CN219326795U (en) | 2023-04-03 | 2023-04-03 | Cast steel ball cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219326795U (en) |
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2023
- 2023-04-03 CN CN202320743414.8U patent/CN219326795U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force 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 utility model: A cooling device for casting steel balls Effective date of registration: 20231101 Granted publication date: 20230711 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Jinan Zhongwei casting and forging steel ball Co.,Ltd. Registration number: Y2023980063732 |