CN112404136A - Metal composite rolling roller cooling device - Google Patents
Metal composite rolling roller cooling device Download PDFInfo
- Publication number
- CN112404136A CN112404136A CN202011169247.8A CN202011169247A CN112404136A CN 112404136 A CN112404136 A CN 112404136A CN 202011169247 A CN202011169247 A CN 202011169247A CN 112404136 A CN112404136 A CN 112404136A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 239000002905 metal composite material Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000008400 supply water Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000003490 calendering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the technical field of rollers, in particular to a metal composite rolling roller cooling device which comprises a lower arc-shaped plate and an upper arc-shaped plate, wherein the upper arc-shaped plate is rotatably connected to the lower arc-shaped plate, one side of the upper arc-shaped plate and one side of the lower arc-shaped plate are connected with a fixing mechanism, clamping mechanisms are arranged on two inner sides of the lower arc-shaped plate and two inner sides of the upper arc-shaped plate, a plurality of spray heads are fixedly arranged on the lower arc-shaped plate and the upper arc-shaped plate, one end of each spray head penetrates through the lower arc-shaped plate and the upper arc-shaped plate and extends inwards, a vertical hose is connected between the two spray heads, a limiting sleeve plate is fixed outside the vertical hose, and. This roller cooling device is established more stably on the roller through lower arc and last arc cover through fixture can let down arc and last arc cover, can supply water to horizontal hose through water supply mechanism, and the rethread shower nozzle just can be cooled off it with water injection on the surface of roller.
Description
Technical Field
The invention relates to the technical field of rollers, in particular to a cooling device for a metal composite rolling roller.
Background
In metallurgical engineering, rolling, also called rolling, refers to a process of shaping a metal ingot by passing the ingot through a pair of rollers. If the temperature of the metal exceeds its recrystallization temperature during calendering, the process is called "hot rolling" and "cold rolling" otherwise. Calendering is the most common means in metalworking. The roller cooling device of the steel rolling production line is a key device for ensuring the service life of the roller, and the device plays a role in cooling the surface of the roller, prolonging the service life of the roller and ensuring the product quality. The existing cooling device for the roller is inconvenient to use and not comprehensive enough when the roller is cooled, so that the cooling device for the metal composite rolling roller is provided.
Disclosure of Invention
The invention aims to solve the defect that the cooling is not comprehensive enough in the prior art, and provides a cooling device for a metal composite rolling roller.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a metal composite rolling roller cooling device, includes arc and last arc down, it rotates to connect on arc down to go up the arc, it is connected with fixed establishment with arc one side down to go up arc one side, both sides all are provided with fixture in arc and the last arc down, equal fixed mounting has a plurality of shower nozzles on arc and the last arc down, and shower nozzle one end passes arc and last arc and inwards extend down, two all be connected with perpendicular hose between the shower nozzle, perpendicular hose external fixation has spacing lagging, it is connected with horizontal hose to erect between the hose, be connected with water supply mechanism on the horizontal hose.
Preferably, the fixing mechanism comprises an upper plate and a lower plate, the upper plate is fixed on the upper arc plate, the lower plate is fixed on the lower arc plate, and both sides between the upper plate and the lower plate are connected with limiting mechanisms.
Preferably, stop gear includes slide opening and interior cavity, slide opening sets up in upper plate one side, interior cavity is seted up in the hypoplastron, interior cavity lateral wall has seted up down the slide opening, it is provided with the slide bar to slide in the interior cavity, slide one end is passed slide opening and last slide opening and is fixed with the limiting plate down, slide one side is fixed with the inserted bar, inserted bar one end is passed the hypoplastron and is fixed with the curb plate, the inserted bar overcoat is equipped with the spring, spring one end is fixed on the slide, the spring other end is fixed at interior cavity lateral wall.
Preferably, fixture includes cowl, cowl sets up in arc and the last arc down, the cowl both sides all are fixed with the slide bar, slide bar one end is passed arc and last arc down and is fixed with the pole limiting plate, the slide bar overcoat is equipped with the innerspring, innerspring one end is fixed on cowl, the innerspring other end is fixed in arc and last arc down, the cowl both sides all are provided with rolling mechanism.
Preferably, the rolling mechanism comprises grooves, the grooves are formed in two sides of the arc-shaped baffle, and balls are rotationally connected in the grooves.
Preferably, the water supply mechanism comprises a water inlet pipe and a water supply pipe, one end of the water inlet pipe is connected to the transverse hose, and the water supply pipe is connected with the water inlet pipe through a connecting mechanism.
Preferably, the connecting mechanism comprises a lantern ring and a cover plate, the lantern ring is fixed on the water inlet pipe, an external thread is arranged outside the lantern ring, the cover plate is fixed on the water supply pipe, an internal thread is arranged in the cover plate, and the internal thread is connected with the external thread.
Preferably, the cover plate is externally provided with anti-skid grains.
Preferably, a plurality of round holes have been seted up on the arc down, the both sides of arc both sides wall all are fixed with the curb plate down, the pore has been seted up on the curb plate, the arc below is provided with the water trough plate down, the department all is fixed with the connection rope all around the water trough plate top, connection rope one end is fixed with the couple, and the couple is detained at the downthehole slab.
The cooling device for the metal composite rolling roller provided by the invention has the beneficial effects that: this roller cooling device establishes on the roller through arc and last arc cover down, can let down arc and last arc cover establish more stability on the roller through fixture, can supply water to horizontal hose through water supply mechanism, the rethread shower nozzle just can cool off it with water injection on the surface of roller, when using, can make it rotate in arc and last arc under through the live-rollers, it is more comprehensive to make the shower nozzle can be to its surface spraying, the roller cools down with higher speed.
Drawings
Fig. 1 is a schematic front view of a cooling device for a metal composite rolling roll according to the present invention.
Fig. 2 is a schematic side view of a cooling device for a metal composite rolling roll according to the present invention.
Fig. 3 is a schematic top view of a cooling device for a composite metal rolling roll according to the present invention.
Fig. 4 is a schematic structural diagram of a limiting mechanism of a cooling device for a metal composite rolling roller according to the present invention.
Fig. 5 is a schematic structural diagram of a connecting mechanism of a cooling device of a metal composite rolling roller according to the present invention.
Fig. 6 is an enlarged schematic view of a part a of the cooling device for a metal composite rolling roll according to the present invention.
In the figure: the device comprises a lower arc-shaped plate 1, an upper arc-shaped plate 2, a vertical hose 3, a limiting sleeve plate 4, an upper plate 5, a lower plate 6, a limiting mechanism 7, an inner cavity 71, an upper sliding hole 72, a lower sliding hole 73, a sliding plate 74, a limiting plate 75, an inserted link 76, a spring 77, a side plate 78, a water inlet pipe 8, a connecting mechanism 9, a lantern ring 91, a cover plate 92, an internal thread 93, an external thread 94, a water supply pipe 10, a spray head 11, an arc-shaped baffle 12, a groove 13, a ball 14, a sliding rod 15, a rod limiting plate 16, an internal spring 17, a transverse hose 18, a water trough plate 19, a side plate 20, a plate.
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.
Example 1
Referring to fig. 1-3, a metal composite rolling roller cooling device comprises a lower arc plate 1 and an upper arc plate 2, wherein the upper arc plate 2 is rotatably connected on the lower arc plate 1, one side of the upper arc plate 2 and one side of the lower arc plate 1 are connected with a fixing mechanism, two sides in the lower arc plate 1 and the upper arc plate 2 are respectively provided with a clamping mechanism, a plurality of spray heads 11 are fixedly arranged on the lower arc plate 1 and the upper arc plate 2, one ends of the spray heads 11 penetrate through the lower arc plate 1 and the upper arc plate 2 and extend inwards, a vertical hose 3 is connected between the two spray heads 11, a limiting sleeve plate 4 is fixed outside the vertical hose 3, a horizontal hose 18 is connected between the vertical hoses 3, a water supply mechanism is connected on the horizontal hose 18, the lower arc plate 1 and the upper arc plate 2 are sleeved on a roller, the lower arc plate 1 and the upper arc plate 2 can be sleeved on the roller more stably through the clamping mechanism, can supply water to horizontal hose 18 through water supply mechanism, rethread shower nozzle 11 just can be cooled off it with water spraying on the surface of roller, when using, can make it rotate in lower arc 1 and last arc 2 through the live-rollers, makes shower nozzle 11 can be to more comprehensive of its surface coating, and the roller cools down with higher speed.
Example 2
Referring to fig. 3-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the fixing mechanism includes an upper plate 5 and a lower plate 6, the upper plate 5 is fixed on the upper arc-shaped plate 2, the lower plate 6 is fixed on the lower arc-shaped plate 1, both sides between the upper plate 5 and the lower plate 6 are connected with a limiting mechanism 7, the limiting mechanism 7 includes an upper sliding hole 72 and an inner cavity 71, the upper sliding hole 72 is opened on one side of the upper plate 5, the inner cavity 71 is opened in the lower plate 6, a lower sliding hole 73 is opened on a side wall of the inner cavity 71, a sliding rod 74 is slidably disposed in the inner cavity 71, one end of the sliding plate 74 passes through the lower sliding hole 73 and the upper sliding hole 72 and is fixed with a limiting plate 75, an insertion rod 76 is fixed on one side of the sliding plate 74, one end of the insertion rod 76 passes through the lower plate 6 and is fixed with a side plate 78, a spring 77 is, when the lower arc-shaped plate 1 and the upper arc-shaped plate 2 need to be opened, the side plate 78 only needs to be pressed, and when the limiting plate 75 can slide in the upper sliding hole 72, the lower arc-shaped plate 1 and the upper arc-shaped plate 2 can be rotated.
Example 3
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the clamping mechanism includes an arc-shaped baffle 12, the arc-shaped baffle 12 is disposed in the lower arc-shaped plate 1 and the upper arc-shaped plate 2, slide rods 15 are fixed on both sides of the arc-shaped baffle 12, one end of each slide rod 15 passes through the lower arc-shaped plate 1 and the upper arc-shaped plate 2 and is fixed with a rod limiting plate 16, an inner spring 17 is sleeved outside each slide rod 15, one end of each inner spring 17 is fixed on the arc-shaped baffle 12, the other end of each inner spring 17 is fixed in the lower arc-shaped plate 1 and the upper arc-shaped plate 2, rolling mechanisms are disposed on both sides of the arc-shaped baffle 12, the arc-shaped baffle 12 can be abutted against the surface of the roller through the inner spring 17, and.
Example 4
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 3 is that the rolling mechanism includes grooves 13, the grooves 13 are opened at both sides of the arc-shaped baffle 12, balls 14 are rotatably connected to the grooves 13, and when the roller rotates, the roller can be conveniently rotated in the lower arc-shaped plate 1 and the upper arc-shaped plate 2 by the balls 14.
Example 5
Referring to fig. 1 to 5, as another preferred embodiment of the present invention, the difference from embodiment 3 is that the water supply mechanism includes a water inlet pipe 8 and a water supply pipe 10, one end of the water inlet pipe 8 is connected to the transverse hose 18, one end of the water supply pipe 10 is connected to a water source, the water supply pipe 10 is connected to the water inlet pipe 8 through a connection mechanism 9, the connection mechanism 9 includes a collar 91 and a cover plate 92, the collar 91 is fixed to the water inlet pipe 8, the collar 91 is externally provided with an external thread 94, the cover plate 92 is fixed to the water supply pipe 10, the cover plate 92 is externally provided with an anti-slip thread, the cover plate 92 is internally provided with an internal thread 93, and the internal thread 93 is connected to the external thread 94, water can be supplied to the shower head 11 through the water supply mechanism.
Example 6
Referring to fig. 1-6, as another preferred embodiment of the present invention, the difference from embodiment 3 is that a plurality of circular holes are formed in the lower arc-shaped plate 1, side plates 20 are fixed to both sides of both side walls of the lower arc-shaped plate 1, plate holes 21 are formed in the side plates 20, a water trough plate 19 is disposed below the lower arc-shaped plate 1, connecting ropes 23 are fixed to the periphery above the water trough plate 19, a hook 22 is fixed to one end of each connecting rope 23, and the hook 22 is fastened in the plate hole 21, so that water on the lower arc-shaped plate 1 can fall down through the circular holes, and the falling water can be stored through the water trough plate, thereby avoiding waste of water resources, and when the water trough plate needs to be taken down, only the hook 22 needs to be taken out from the plate hole 21.
In actual work, the lower arc-shaped plate 1 and the upper arc-shaped plate 2 can be provided with through holes on the working surface of the rolling roller according to actual selection, and the rolling roller can roll and cool simultaneously.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A metal composite rolling roller cooling device, which comprises a lower arc-shaped plate (1) and an upper arc-shaped plate (2), it is characterized in that the upper arc-shaped plate (2) is rotationally connected on the lower arc-shaped plate (1), one side of the upper arc-shaped plate (2) and one side of the lower arc-shaped plate (1) are connected with a fixing mechanism, the inner two sides of the lower arc-shaped plate (1) and the upper arc-shaped plate (2) are respectively provided with a clamping mechanism, a plurality of spray heads (11) are fixedly arranged on the lower arc-shaped plate (1) and the upper arc-shaped plate (2), one end of each spray head (11) penetrates through the lower arc-shaped plate (1) and the upper arc-shaped plate (2) and extends inwards, a vertical hose (3) is connected between the two spray heads (11), the water supply device is characterized in that a limiting sleeve plate (4) is fixed outside the vertical hoses (3), transverse hoses (18) are connected between the vertical hoses (3), and water supply mechanisms are connected to the transverse hoses (18).
2. A metal composite rolling roll cooling device according to claim 1, characterized in that the fixing means comprises an upper plate (5) and a lower plate (6), the upper plate (5) is fixed on the upper arc-shaped plate (2), the lower plate (6) is fixed on the lower arc-shaped plate (1), and both sides between the upper plate (5) and the lower plate (6) are connected with a limiting means (7).
3. The apparatus of claim 2, wherein the cooling means comprises a cooling device having a cooling plate, the limiting mechanism (7) comprises an upper sliding hole (72) and an inner cavity (71), the upper sliding hole (72) is arranged at one side of the upper plate (5), the inner cavity (71) is arranged in the lower plate (6), a lower sliding hole (73) is arranged on the side wall of the inner cavity (71), a sliding rod (74) is arranged in the inner cavity (71) in a sliding way, one end of the sliding plate (74) passes through the lower sliding hole (73) and the upper sliding hole (72) and is fixed with a limiting plate (75), an insert rod (76) is fixed on one side of the sliding plate (74), one end of the insert rod (76) penetrates through the lower plate (6) and is fixed with a side plate (78), the inserted bar (76) overcoat is equipped with spring (77), spring (77) one end is fixed on slide (74), the spring (77) other end is fixed at interior cavity (71) lateral wall.
4. The metal composite rolling roller cooling device according to claim 1, wherein the clamping mechanism comprises an arc-shaped baffle plate (12), the arc-shaped baffle plate (12) is arranged in a lower arc-shaped plate (1) and an upper arc-shaped plate (2), sliding rods (15) are fixed on two sides of the arc-shaped baffle plate (12), one end of each sliding rod (15) penetrates through the lower arc-shaped plate (1) and the upper arc-shaped plate (2) and is fixed with a rod limiting plate (16), an inner spring (17) is sleeved outside each sliding rod (15), one end of each inner spring (17) is fixed on the arc-shaped baffle plate (12), the other end of each inner spring (17) is fixed in the lower arc-shaped plate (1) and the upper arc-shaped plate (2), and rolling mechanisms are arranged on two sides of the arc-shaped baffle plate (12).
5. A metal composite rolling roll cooling device according to claim 4, characterized in that the rolling means comprise grooves (13), said grooves (13) being open on both sides of the segmental baffle (12), said grooves (13) being rotatably connected with balls (14).
6. A composite metal rolling roll cooling device according to claim 1, characterized in that said water supply means comprises a water inlet pipe (8) and a water supply pipe (10), said water inlet pipe (8) being connected at one end to a cross hose (18), said water supply pipe (10) being connected to the water inlet pipe (8) by means of a connection means (9).
7. A metal composite rolling roll cooling device according to claim 6, characterized in that the connection means (9) comprises a collar (91) and a cover plate (92), the collar (91) is fixed on the water inlet pipe (8), the collar (91) is externally provided with an external thread (94), the cover plate (92) is fixed on the water supply pipe (10), the cover plate (92) is internally provided with an internal thread (93), and the internal thread (93) is connected with the external thread (94).
8. A composite metal rolling roll cooler assembly according to claim 7 in which the cover plate (92) is externally knurled with anti-slip features.
9. The cooling device for the metal composite rolling roller according to claim 1, wherein a plurality of round holes are formed in the lower arc-shaped plate (1), side plates (20) are fixed to two sides of two side walls of the lower arc-shaped plate (1), plate holes (21) are formed in the side plates (20), a water trough plate (19) is arranged below the lower arc-shaped plate (1), connecting ropes (23) are fixed to the periphery above the water trough plate (19), a hook (22) is fixed to one end of each connecting rope (23), and the hook (22) is buckled in the plate hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169247.8A CN112404136A (en) | 2020-10-28 | 2020-10-28 | Metal composite rolling roller cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169247.8A CN112404136A (en) | 2020-10-28 | 2020-10-28 | Metal composite rolling roller cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112404136A true CN112404136A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011169247.8A Pending CN112404136A (en) | 2020-10-28 | 2020-10-28 | Metal composite rolling roller cooling device |
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| CN (1) | CN112404136A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377266U (en) * | 2011-12-28 | 2012-08-15 | 哈尔滨理工大学 | Aluminum silicon alloy rolling roll cooling device |
| CN106016904A (en) * | 2016-07-11 | 2016-10-12 | 向自越 | Refrigerator capable of preventing water drop overflowing of refrigeration chamber |
| CN108144969A (en) * | 2017-12-29 | 2018-06-12 | 重庆龙煜精密铜管有限公司 | Cooling device and milling train cooling system |
| CN207887630U (en) * | 2017-12-25 | 2018-09-21 | 新昌县北斗压缩机有限公司 | A kind of roll cooling device |
| CN209209341U (en) * | 2018-09-01 | 2019-08-06 | 厦门市荣兴盛模具有限公司 | A kind of electric motor active stabilizer bar |
| CN210632642U (en) * | 2019-05-20 | 2020-05-29 | 敬业钢铁有限公司 | Roller cooling device used between finishing mill frames |
| CN211095090U (en) * | 2019-09-06 | 2020-07-28 | 许海燕 | Fracture restorer for surgery |
| CN211335055U (en) * | 2019-10-08 | 2020-08-25 | 杭州临安博艺制版有限公司 | Special water-cooling heat dissipation printing roller of printing machine |
| CN211435401U (en) * | 2019-12-04 | 2020-09-08 | 苏州萌菲过滤技术有限公司 | Cleaning device for gas filter element |
| CN211769161U (en) * | 2020-02-26 | 2020-10-27 | 上海角力工业自动化系统有限公司 | Transfer printing film coiling mechanism |
-
2020
- 2020-10-28 CN CN202011169247.8A patent/CN112404136A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377266U (en) * | 2011-12-28 | 2012-08-15 | 哈尔滨理工大学 | Aluminum silicon alloy rolling roll cooling device |
| CN106016904A (en) * | 2016-07-11 | 2016-10-12 | 向自越 | Refrigerator capable of preventing water drop overflowing of refrigeration chamber |
| CN207887630U (en) * | 2017-12-25 | 2018-09-21 | 新昌县北斗压缩机有限公司 | A kind of roll cooling device |
| CN108144969A (en) * | 2017-12-29 | 2018-06-12 | 重庆龙煜精密铜管有限公司 | Cooling device and milling train cooling system |
| CN209209341U (en) * | 2018-09-01 | 2019-08-06 | 厦门市荣兴盛模具有限公司 | A kind of electric motor active stabilizer bar |
| CN210632642U (en) * | 2019-05-20 | 2020-05-29 | 敬业钢铁有限公司 | Roller cooling device used between finishing mill frames |
| CN211095090U (en) * | 2019-09-06 | 2020-07-28 | 许海燕 | Fracture restorer for surgery |
| CN211335055U (en) * | 2019-10-08 | 2020-08-25 | 杭州临安博艺制版有限公司 | Special water-cooling heat dissipation printing roller of printing machine |
| CN211435401U (en) * | 2019-12-04 | 2020-09-08 | 苏州萌菲过滤技术有限公司 | Cleaning device for gas filter element |
| CN211769161U (en) * | 2020-02-26 | 2020-10-27 | 上海角力工业自动化系统有限公司 | Transfer printing film coiling mechanism |
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Application publication date: 20210226 |