CN219786733U - Tube blank feeding device for tube rolling mill and tube rolling mill - Google Patents
Tube blank feeding device for tube rolling mill and tube rolling mill Download PDFInfo
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- CN219786733U CN219786733U CN202321009266.3U CN202321009266U CN219786733U CN 219786733 U CN219786733 U CN 219786733U CN 202321009266 U CN202321009266 U CN 202321009266U CN 219786733 U CN219786733 U CN 219786733U
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- workbench
- fixedly connected
- rolling
- mounting frame
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- 238000009785 tube rolling Methods 0.000 title claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 45
- 239000010959 steel Substances 0.000 abstract description 45
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model is suitable for the technical field of tube rolling mills, and provides a tube blank feeding device for a tube rolling mill and the tube rolling mill, comprising a workbench, wherein the workbench is horizontally arranged, and the top of the workbench is provided with the feeding device; the feeding device comprises a mounting frame, wherein the mounting frame is symmetrically arranged about the axis of the workbench and is vertically arranged at the top of the workbench, and a rotating shaft is rotatably connected inside the mounting frame; the rotating shaft is rotatably arranged in the mounting frame and is arranged along the direction of the mounting frame in a through length mode, and the outer side of the rotating shaft is fixedly connected with a feeding plate; the feeding plate is oppositely arranged relative to the axis of the workbench, the bottom of the feeding plate is fixedly connected with the adjusting rod, and a feeding block is arranged at the bottom of the feeding plate. The device has solved material feeding unit and can not carry out the pay-off according to different pipe diameters, and the pay-off in-process is easy because the striking produces deformation, influences the problem of rolling effect, has reached and has carried out the pay-off according to different pipe diameters, carries out buffering protection to the steel pipe and prevents the effect that produces deformation.
Description
Technical Field
The utility model relates to the technical field of tube rolling mills, in particular to a tube blank feeding device for a tube rolling mill and the tube rolling mill.
Background
In rolling a steel pipe using a pipe mill, it is first necessary to move the steel pipe into a feed device in which the steel pipe is rolled after being fed to an inlet of the pipe mill. The existing feeding device cannot feed and transport according to different pipe diameters of steel pipes, and has certain limitations. Meanwhile, the steel tube is easy to deform due to impact in the feeding process, and the subsequent rolling effect is influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a tube blank feeding device for a tube rolling mill and the tube rolling mill.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a tube blank feeding device for a tube rolling mill, which comprises,
the workbench is horizontally arranged, and the top of the workbench is provided with a feeding device; the feeding device comprises a feeding device, a feeding device and a feeding device,
the mounting frame is symmetrically arranged about the axis of the workbench and is vertically arranged at the top of the workbench, and a rotating shaft is rotatably connected inside the mounting frame; the method comprises the steps of,
the rotating shaft is rotatably arranged in the mounting frame and is arranged along the direction of the mounting frame, and the outer side of the rotating shaft is fixedly connected with a feeding plate;
the feeding plate is oppositely arranged relative to the axis of the workbench, the bottom of the feeding plate is fixedly connected with the adjusting rod, and a feeding block is arranged at the bottom of the feeding plate.
The utility model is further provided with: the adjusting rod is vertically penetrated through the mounting frame, one end of the adjusting rod, which is positioned at the outer side of the mounting frame, is fixedly connected with the adjusting cylinder, and a sliding groove is formed in the adjusting rod and can stretch and retract in the horizontal direction;
the adjusting cylinder can drive the adjusting rod to move along the horizontal direction.
The utility model is further provided with: the feeding block is positioned between the two groups of mounting frames, rollers are arranged at the bottom of the feeding block, and one end of the feeding block, which is close to the left side of the workbench, is fixedly connected with the feeding rod;
the top of the roller is fixedly connected with the bottom of the feeding block, a plurality of groups of rollers are symmetrically arranged on the axis of the feeding block, and the roller can slide on the top of the workbench to enable the feeding block connected with the roller to synchronously slide;
one end of the feeding rod is fixedly connected with the feeding block, the other end of the feeding rod is fixedly connected with the feeding cylinder, and a sliding groove is formed in the feeding rod and can stretch and retract in the horizontal direction.
The utility model is further provided with: one end of the feeding cylinder is fixedly connected with the feeding rod, the other end of the feeding cylinder is fixedly connected with the feeding bracket, and the feeding cylinder can drive the feeding rod to stretch and retract to further drive a feeding block fixedly connected with the feeding rod to move;
the feeding support is vertically fixed at the top of the workbench, and the installation direction is vertical to the installation frame.
The pipe rolling mill comprises the feeding device, a rolling and cutting assembly and a material receiving assembly, wherein the rolling and cutting assembly and the material receiving assembly are arranged at the top of the workbench and are sequentially arranged from the feeding device to the right; the roll-cutting assembly comprises a roll-cutting device and a roll-cutting device,
the rolling and cutting support is vertically arranged at the top of the workbench and fixedly connected with the workbench, and a cutter is arranged in the top of the rolling and cutting support; the method comprises the steps of,
the rolling and cutting table is horizontally arranged in the middle of the rolling and cutting support and is connected with the material receiving component rightwards.
The utility model is further provided with: the material receiving component comprises a material receiving device, a material receiving device and a material receiving device,
the material collecting plate is obliquely arranged, the left side of the material collecting plate is upwards fixedly connected with the right side of the rolling and cutting table, and the right side of the material collecting plate is downwards connected with the bottom of the workbench and rightwards connected with the buffer frame; the method comprises the steps of,
the buffer frame is made of flexible materials, a plurality of groups of buffer frames are longitudinally arranged along the material receiving plate, and the buffer frames vertically extend upwards to a certain height.
The utility model has the advantages that:
1. the two groups of adjusting cylinders drive the adjusting rods to move outwards along the horizontal direction and synchronously drive the feeding plates fixedly connected with the adjusting rods to move outwards, so that the parts, connected with the rotating shafts, of the feeding plates are caused to rotate around the rotating shafts. The two groups of feeding plates simultaneously rotate outwards, and gaps are formed between the feeding plates, so that steel pipe blanks can pass through. Through adjusting the distance that adjusts the pole and remove, just can the delivery sheet pivoted radian, further reach the purpose of adjusting the space size between two groups of delivery sheets, realize carrying out pay-off and transportation according to the different pipe diameters of steel pipe.
2. The feeding cylinder drives the feeding rod to stretch and retract, further drives the feeding block fixedly connected with the feeding rod to move, and conveys the steel pipe blank forward to enter the inside of the rolling and cutting assembly for rolling and cutting. The bottom of the feeding block is provided with a plurality of groups of rollers, so that the feeding block can move more smoothly at the top of the workbench, the transportation speed is accelerated, and the working efficiency is improved.
3. The feeding block is made of flexible materials, so that deformation and damage caused by impact can be effectively avoided when a steel pipe blank falls onto the feeding block from the feeding plate downwards. The flexible material is paved at the top of the material collecting plate, so that deformation caused by impact in the process of sliding down the steel pipe is avoided, and quality of a finished product is unqualified due to shadow. A plurality of groups of buffer frames are longitudinally arranged along the material collecting plate, are made of flexible materials and extend vertically upwards to a certain height, and can limit steel pipes sliding to the bottom of the material collecting plate and prevent the steel pipes from falling out. Gaps exist among the groups of buffer frames, so that the finished products can be conveniently fetched later.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a feeding device;
FIG. 3 is a schematic view of a feed device from another perspective;
FIG. 4 is a schematic view of the structure of the feedblock;
FIG. 5 is a schematic structural view of a roll cutting assembly and a receiving assembly;
in the figure: 1. a work table; 2. a feeding device; 21. a mounting frame; 22. a rotating shaft; 23. a feeding plate; 24. adjusting a cylinder; 25. an adjusting rod; 26. a feed block; 27. a feeding cylinder; 28. a feed rod; 29. a roller; 210. a feeding bracket; 3. a rolling and cutting assembly; 31. rolling and cutting the bracket; 32. a rolling and cutting table; 33. a cutter; 4. a material receiving assembly; 41. a material collecting plate; 42. and a buffer frame.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Example 1
Referring to fig. 1-5, the present utility model provides the following technical solutions:
concretely, the pipe blank feeding device for the pipe rolling mill and the pipe rolling mill comprise a workbench 1, a feeding device 2, a rolling and cutting assembly 3 and a receiving assembly 4. The workbench 1 is horizontally arranged, and the top of the workbench is sequentially provided with a feeding device 2, a rolling and cutting assembly 3 and a receiving assembly 4 from left to right, and the workbench 1 provides a working platform and support for a tube mill.
The rolling and cutting assembly 3 comprises a rolling and cutting support 31, a rolling and cutting table 32 and a cutter 33, wherein the rolling and cutting support 31 is vertically arranged at the top of the workbench 1 and fixedly connected with the workbench 1, and the rolling and cutting support 31 provides stable support and working environment for the rolling and cutting assembly 3. The cutter 33 is arranged in the top of the rolling and cutting bracket 31, and the cutter 33 can roll and cut the steel pipe blank fed by the feeding device 2 to finish rolling work of the steel pipe. The rolling and cutting bench 32 is horizontally arranged in the middle of the rolling and cutting bracket 31 and is connected with the material receiving assembly 4 to the right, and the rolling and cutting bench 32 provides a processing platform for the cutter 33 and also provides a certain storage space for the rolled steel pipe, so that the rolled steel pipe can enter the material receiving assembly 4 to finish material receiving.
The material receiving assembly 4 comprises a material receiving plate and a buffer frame, wherein the material receiving plate 41 is obliquely arranged, the left side of the material receiving plate is upwards fixedly connected with the right side of the rolling and cutting table 32, the right side of the material receiving plate 41 is downwards connected with the bottom of the workbench 1, and the right side of the material receiving plate is connected with the buffer frame 42. The receiving plate 41 can provide an inclined platform for the rolled steel pipes on the rolling and cutting table 32 to slide freely, so that a large number of steel pipes are prevented from being accumulated on the rolling and cutting table 32. Meanwhile, the flexible material is paved on the top of the material collecting plate 41, so that deformation caused by impact in the sliding process of the steel pipe is avoided, and quality of a finished product is unqualified due to shadow. The buffer frames 42 are made of flexible materials, a plurality of groups are longitudinally arranged along the material collecting plate 41, the buffer frames 42 vertically extend upwards to a certain height, and steel pipes sliding down to the bottom of the material collecting plate 41 can be limited to prevent the steel pipes from falling out. Gaps exist among the groups of buffer frames 42, so that the finished products can be conveniently taken out later.
The feeding device 2 comprises a mounting frame 21, a rotating shaft 22, a feeding plate 23, an adjusting cylinder 24, an adjusting rod 25, a feeding block 26, a feeding cylinder 27, a feeding rod 28, rollers 29 and a feeding bracket 210. The mounting frame 21 is symmetrically arranged around the axis of the workbench 1 and vertically arranged at the top of the workbench 1, and the mounting frame 21 provides stable support for the feeding device 2. Inside rotation of mounting bracket 21 is connected with pivot 22, and pivot 22 rotation is installed inside mounting bracket 21, is followed the setting of mounting bracket 21 direction general length, and pivot 22 can rotate inside mounting bracket 21. The outside of the rotating shaft 22 is fixedly connected with a feeding plate 23, the feeding plate 23 is oppositely arranged relative to the axis of the workbench 1, the bottom of the feeding plate 23 is fixedly connected with an adjusting rod 25, and a feeding block 26 is arranged at the bottom of the feeding plate 23.
The adjusting rod 25 is vertically arranged through the mounting frame 21, and is fixedly connected with the adjusting cylinder 24 at one end outside the mounting frame 21. The adjusting lever 25 is provided with a chute therein, and can be moved in a horizontal direction in a telescopic manner. The adjusting cylinder 24 can drive the adjusting rod 25 to move along the horizontal direction, synchronously drive the feeding plate 23 fixedly connected with the adjusting rod 25 to move, and lead the part of the feeding plate 23 connected with the rotating shaft 22 to rotate around the rotating shaft 22. The two groups of feeding plates 23 simultaneously rotate inwards or outwards, so that the adjustment of gaps between the feeding plates 23 can be completed, steel pipe blanks with different pipe diameters can pass through the feeding plates, and the purposes of feeding and transporting according to the different pipe diameters of the steel pipes are achieved.
The feeding block 26 is positioned between the two groups of mounting frames 21, the bottom is provided with a roller 29, and one end of the feeding block 26 away from the rolling and cutting assembly 3 is fixedly connected with a feeding rod 28. The feeding block 26 is made of flexible materials, so that deformation and damage caused by impact when a steel pipe blank falls down onto the feeding block 26 from between the feeding plates 23 can be effectively avoided. One end of the feeding rod 28 is fixedly connected with the feeding block 26, the other end of the feeding rod is fixedly connected with the feeding cylinder 27, and a sliding groove is formed in the feeding rod 28 and can stretch and retract in the horizontal direction. One end of the feeding cylinder 27 is fixedly connected with the feeding rod 28, the other end of the feeding cylinder is fixedly connected with the feeding bracket 210, the feeding bracket 210 is vertically fixed on the top of the workbench 1, the installation direction of the feeding bracket is vertical to the installation frame 21, and the feeding bracket 210 provides support for the feeding cylinder 27. The feeding cylinder 27 can drive the feeding rod 28 to stretch and retract, and further drive the feeding block 26 fixedly connected with the feeding rod 28 to move, so that the steel pipe blank is conveyed forward and enters the inside of the rolling and cutting assembly 3 for rolling and cutting.
The top of the roller 29 is fixedly connected with the bottom of the feeding block 26, a plurality of groups of rollers 29 are symmetrically arranged about the axis of the feeding block 26, and the roller 29 can slide on the top of the workbench 1 so as to enable the feeding block 26 connected with the roller to synchronously slide. The plurality of groups of rollers 29 are arranged, so that the feeding block 26 can move more smoothly at the top of the workbench 1, the transportation speed is increased, and the working efficiency is improved.
The pipe blank feeding device for the pipe rolling mill provided by the utility model has the following working principle:
before feeding, the steel pipe blanks are stacked between the two groups of mounting frames 21, and at the moment, the two groups of feeding plates 23 are completely closed inwards, so that the steel pipe blanks are stored in the middle and cannot fall down.
After the feeding device 2 starts to work, the two groups of adjusting cylinders 24 drive the adjusting rods 25 to move outwards along the horizontal direction, synchronously drive the feeding plate 23 fixedly connected with the adjusting rods 25 to move, and the feeding plate 23 moves outwards to cause the part of the feeding plate 23 connected with the rotating shaft 22 to rotate around the rotating shaft 22. The two groups of feeding plates 23 simultaneously rotate outwards, so that gaps are formed between the feeding plates 23, and steel pipe blanks can pass through the gaps. The rotating radian of the feeding plates 23 can be further achieved by adjusting the moving distance of the adjusting rods 25, so that the purpose of adjusting the size of a gap between two groups of feeding plates 23 is further achieved, and the purposes of feeding and transporting according to different pipe diameters of the steel pipes are achieved.
The steel pipe blanks drop downwards into the top of the feed block 26 through the gaps between the feed plates 23, and the feed block 26 is made of flexible materials, so that deformation and damage caused by impact when the steel pipe blanks drop downwards onto the feed block 26 from the gaps between the feed plates 23 can be effectively avoided.
After the steel pipe blank enters the top of the feeding block 26, the feeding cylinder 27 drives the feeding rod 28 to stretch and retract, and further drives the feeding block 26 fixedly connected with the feeding rod 28 to move, so that the steel pipe blank is conveyed forward and enters the inside of the rolling and cutting assembly 3 for rolling and cutting. The bottom of the feeding block 26 is provided with a plurality of groups of rollers 29, so that the feeding block 26 can move more smoothly at the top of the workbench 1, the transportation speed is increased, and the working efficiency is improved.
After the steel pipe blank enters the rolling and cutting assembly 3, the cutter 33 can roll and cut the steel pipe blank, and rolling of the steel pipe is completed. The rolled and cut steel pipes are placed on the rolling and cutting table 32, and after the steel pipes are piled up, the steel pipes start to move rightward to the top of the collecting plate 41.
The receiving plate 41 can provide an inclined platform for the rolled steel pipes on the rolling and cutting table 32 to slide freely, so that a large number of steel pipes are prevented from being accumulated on the rolling and cutting table 32. Meanwhile, the flexible material is paved on the top of the material collecting plate 41, so that deformation caused by impact in the sliding process of the steel pipe is avoided, and quality of a finished product is unqualified due to shadow. A plurality of groups of buffer frames 42 are longitudinally arranged along the material collecting plate 41, and the buffer frames 42 vertically extend upwards to a certain height, so that steel pipes sliding to the bottom of the material collecting plate 41 can be limited, and the steel pipes are prevented from falling out. Gaps exist among the groups of buffer frames 42, so that the finished products can be conveniently taken out later.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Tube blank feeding device for tube rolling mill, its characterized in that: comprising the steps of (a) a step of,
the workbench (1), wherein the workbench (1) is horizontally arranged, and the top of the workbench is provided with a feeding device (2); the feeding device (2) comprises a feeding device,
the mounting frame (21), the mounting frame (21) is symmetrically arranged about the axis of the workbench (1) and is vertically arranged at the top of the workbench (1), and a rotating shaft (22) is rotatably connected inside the mounting frame (21); the method comprises the steps of,
the rotary shaft (22) is rotatably arranged inside the mounting frame (21) and is arranged along the direction of the mounting frame (21), and a feeding plate (23) is fixedly connected to the outer side of the rotary shaft (22);
the feeding plate (23) is oppositely arranged relative to the axis of the workbench (1), the bottom of the feeding plate is fixedly connected with the adjusting rod (25), and a feeding block (26) is arranged at the bottom of the feeding plate (23).
2. The pipe blank feeding device for a pipe mill according to claim 1, wherein: the adjusting rod (25) is vertically penetrated through the mounting frame (21) and fixedly connected with the adjusting cylinder (24) at one end outside the mounting frame (21), and a sliding groove is formed in the adjusting rod (25) and can stretch and retract in the horizontal direction;
wherein, adjust cylinder (24) can drive regulation pole (25) and follow the horizontal direction and remove.
3. The pipe blank feeding device for a pipe mill according to claim 2, wherein: the feeding block (26) is positioned between the two groups of mounting frames (21), the bottom of the feeding block is provided with a roller (29), and one end of the feeding block (26) close to the left side of the workbench (1) is fixedly connected with a feeding rod (28);
the top of the roller (29) is fixedly connected with the bottom of the feeding block (26), a plurality of groups of rollers are symmetrically arranged on the axis of the feeding block (26), and the roller (29) can slide on the top of the workbench (1) to enable the feeding block (26) connected with the roller to slide synchronously;
one end of the feeding rod (28) is fixedly connected with the feeding block (26), the other end of the feeding rod is fixedly connected with the feeding cylinder (27), and a sliding groove is formed in the feeding rod (28) and can stretch and retract in the horizontal direction.
4. A tube blank feeding device for a tube mill according to claim 3, wherein: one end of the feeding cylinder (27) is fixedly connected with the feeding rod (28), the other end of the feeding cylinder is fixedly connected with the feeding bracket (210), and the feeding cylinder (27) can drive the feeding rod (28) to stretch and move and further drive a feeding block (26) fixedly connected with the feeding rod (28) to move;
the feeding support (210) is vertically fixed at the top of the workbench (1), and the installation direction is vertical to the installation frame (21).
5. A tube mill comprising the tube blank feeding device for a tube mill according to any one of claims 1 to 4, characterized in that: the automatic feeding device is characterized by further comprising a rolling and cutting assembly (3) and a receiving assembly (4), wherein the rolling and cutting assembly (3) and the receiving assembly (4) are arranged at the top of the workbench (1) and are sequentially arranged from the feeding device (2) to the right; the roll-cutting assembly (3) comprises,
the rolling and cutting support (31) is vertically arranged at the top of the workbench (1) and fixedly connected with the workbench (1), and a cutter (33) is arranged in the top of the rolling and cutting support (31); the method comprises the steps of,
the rolling and cutting table (32), the rolling and cutting table (32) is horizontally arranged in the middle of the rolling and cutting bracket (31) and is connected with the material receiving component (4) rightward.
6. The tube mill as claimed in claim 5, wherein: the material receiving component (4) comprises,
the material collecting plate (41) is obliquely arranged, the left side of the material collecting plate (41) is upwards fixedly connected with the right side of the rolling and cutting table (32), and the right side of the material collecting plate (41) is downwards connected with the bottom of the workbench (1) and is rightwards connected with the buffer frame (42); the method comprises the steps of,
the buffer frames (42) are made of flexible materials, a plurality of groups of buffer frames (42) are longitudinally arranged along the material receiving plate (41), and the buffer frames (42) vertically extend upwards to a certain height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009266.3U CN219786733U (en) | 2023-04-28 | 2023-04-28 | Tube blank feeding device for tube rolling mill and tube rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009266.3U CN219786733U (en) | 2023-04-28 | 2023-04-28 | Tube blank feeding device for tube rolling mill and tube rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786733U true CN219786733U (en) | 2023-10-03 |
Family
ID=88177570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321009266.3U Active CN219786733U (en) | 2023-04-28 | 2023-04-28 | Tube blank feeding device for tube rolling mill and tube rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786733U (en) |
-
2023
- 2023-04-28 CN CN202321009266.3U patent/CN219786733U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tube blank feeding device and tube rolling mill for tube rolling mill Granted publication date: 20231003 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: Jiangsu Yutai Energy Equipment Co.,Ltd. Registration number: Y2024980015792 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |