CN109702018B - Adjustable press roller device - Google Patents
Adjustable press roller device Download PDFInfo
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- CN109702018B CN109702018B CN201910131064.8A CN201910131064A CN109702018B CN 109702018 B CN109702018 B CN 109702018B CN 201910131064 A CN201910131064 A CN 201910131064A CN 109702018 B CN109702018 B CN 109702018B
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- pressure roller
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- roller
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Abstract
The invention relates to the technical field of printing, and discloses an adjustable press roller device.A press roller and a static pressure roller are arranged in parallel and are in surface contact with each other, a pressure sensor is arranged in the surface of the press roller or the static pressure roller, one end of each press roller is respectively and rotatably connected with a pressure regulating mechanism, the other end of each press roller is respectively and rotatably connected with a positioning mechanism, and the pressure regulating mechanism and the positioning mechanism are arranged in mirror symmetry; in the pressure regulating mechanism, a first positioning hole is formed in a regulating base, a rotating shaft of a static pressure roller is rotationally connected with the first positioning hole, a rotating shaft of a dynamic pressure roller is rotationally connected in a first positioning seat fixed on one surface of a regulating gear, the first positioning seat is eccentrically arranged with the regulating gear, and the regulating gear is rotationally connected on the regulating base; the first adjusting screw is fixed on the adjusting base through the first bracket, and the first adjusting screw is meshed with the adjusting gear. The device only needs to be arranged at the two ends of the dynamic pressure roller and the static pressure roller, does not occupy the space between the dynamic pressure roller and the static pressure roller, and has simple and reliable structure and convenient adjustment.
Description
Technical Field
The invention relates to the technical field of printing, in particular to an adjustable compression roller device.
Background
In the printing field, all the ink rollers in the offset press are contacted with each other and have certain pressure to realize the transfer of ink between the ink rollers, the surface of each ink roller is made of rubber material, the pressure between every two ink rollers cannot meet the process requirement due to the surface abrasion and other problems after long-time use, so that the transfer of the ink is uneven, the printing quality is affected, the spacing between every two ink rollers is required to be regulated at the moment, the pressure between every two ink rollers is regulated, and the dynamic pressure roller and the static pressure roller are damaged when the pressure between every two ink rollers is overlarge; in addition, the mutual friction between every two ink rollers can generate a great amount of heat, and the rubber surfaces of the two ink rollers can be damaged due to the fact that the heat is too high.
When processing flat metal materials, the metal materials need to be rolled, and the Chinese patent document CN202270803U, named as an adjustable metal rolling device, comprises a frame, a movable press roller and a static press roller which are adjacently arranged on the frame, a rolling gap for the metal materials to pass through is formed between the movable press roller and the static press roller, a pressing mechanism capable of driving the movable press roller to be close to the static press roller is arranged above the movable press roller, and an elastic reset mechanism capable of resetting the movable press roller is arranged between the movable press roller and the static press roller; the jacking mechanism comprises an adjusting shaft, a first screw rod and a second screw rod are fixed on the adjusting shaft, the first screw rod and the second screw rod are respectively meshed with a first gear and a second gear, a first ejector rod and a second ejector rod are respectively connected to the first gear and the second gear, and the first ejector rod and the second ejector rod are respectively propped against the first bearing seat and the second bearing seat.
Although the calendaring quality is improved to a certain extent, the spacing between every two ink rollers in the field can be adjusted by referring to the structure, but a plurality of transfer ink rollers often exist in an offset press, the installation space of the adjusting structure is not available, the adjusting structure is complex in structure, the adjusting difficulty is high, the operation and the use are not convenient, and the like, and the problem of how to adjust the surface temperature of the dynamic pressure roller and the static pressure roller is not solved.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the invention provides an adjustable compression roller device which occupies a small space, can simply adjust the pressure between a dynamic compression roller and a static pressure roller according to the process requirements, has a simple and reliable structure and is convenient to use.
The technical scheme is as follows: the invention provides an adjustable press roll device, wherein a press roll and a static press roll are arranged in parallel and are in surface contact with each other, a pressure sensor is arranged in the surface of the movable press roll or the static press roll, one end of the movable press roll and one end of the static press roll are respectively and rotatably connected with a pressure adjusting mechanism, the other end of the movable press roll and the other end of the static press roll are respectively and rotatably connected with a positioning mechanism, and the pressure adjusting mechanism and the positioning mechanism are arranged in mirror symmetry; in the pressure regulating mechanism, a first positioning hole is formed in a regulating base, a rotating shaft of the static pressure roller is rotationally connected with the first positioning hole, a rotating shaft of the dynamic pressure roller is rotationally connected in a first positioning seat, the first positioning seat is fixed on one surface of a regulating gear, the first positioning seat and the regulating gear are eccentrically arranged, and the regulating gear is rotationally connected to the regulating base; the first adjusting screw is fixed on the adjusting base through a first bracket, and the first adjusting screw is meshed with the adjusting gear.
Preferably, in the positioning mechanism, a second positioning hole is formed in the positioning base, a rotating shaft of the static press roller is rotationally connected with the second positioning hole, a rotating shaft of the dynamic press roller is fixed in a second positioning seat, the second positioning seat is fixed on one surface of the adjusting wheel, the second positioning seat and the adjusting wheel are eccentrically arranged, and the adjusting wheel is rotationally connected to the positioning base. The positioning mechanism and the pressure regulating mechanism are arranged in a mirror symmetry way, and compared with the pressure regulating mechanism, the positioning mechanism has no first regulating screw rod, the space between the movable compression roller and the static pressure roller cannot be regulated through the regulating wheel, and other structures are the same as the pressure regulating mechanism, so that the pressure regulating mechanism can also regulate the space between the movable compression roller and the static pressure roller in an equidistant way through the movable compression roller and the static pressure roller which are rotationally connected with the positioning mechanism.
Further, the side of the adjusting wheel is also provided with a gear, the positioning mechanism further comprises a second adjusting screw, the second adjusting screw is fixed on the positioning base through a second bracket, and the second adjusting screw is meshed with the adjusting wheel. In the invention, the positioning mechanism can be the same as the pressure adjusting mechanism, and the distance between the dynamic pressure roller and the static pressure roller can be adjusted, so that the distance between the two ends of the dynamic pressure roller and the static pressure roller can be respectively adjusted by the design, and the situation that the abrasion degrees of the outer surfaces of the two ends are different can occur after the dynamic pressure roller and the static pressure roller are used for a long time, at the moment, the surface pressures of the two ends are different, and the pressure between the dynamic pressure roller and the static pressure roller can be more accurately adjusted by respectively adjusting the distance between the two ends through the positioning mechanism and the pressure adjusting mechanism at the two ends.
Further, the positioning mechanism further comprises a second motor, and an output shaft of the second motor is connected with one end of the second adjusting screw. The distance between the movable compression roller and the static pressure roller can be adjusted by the positioning mechanism through manually adjusting the second adjusting screw, and also can be electrically adjusted through adding the second motor on the second adjusting screw, so that the distance can be selected in practical application.
Further, the pressure regulating mechanism further comprises a first motor, and an output shaft of the first motor is connected with one end of the first regulating screw. The pressure adjusting mechanism can adjust the distance between the movable compression roller and the static pressure roller manually, and can also be electrically adjusted by adding a first motor on the first adjusting screw, so that the distance can be selected in practical application.
Further, the adjustable press roll device also comprises a temperature sensor arranged in the surface of the movable press roll or the static press roll. The temperature sensor is arranged, so that the device can monitor the temperature in the surfaces of the dynamic pressure roller and the static pressure roller at any time, and can detect and subsequently control the temperature.
Further, the adjustable compression roller device also comprises a cooling water rotary joint, the cooling water rotary joint is in rotary sealing connection with one end of the inner cavity of the static pressure roller, a water inlet of the adjustable compression roller device is communicated with the cooling water bucket through a first pipeline, a water pump is further arranged on the first pipeline, and a water outlet of the adjustable compression roller device is communicated with the hot water bucket through a second pipeline. When the temperature sensor detects that the temperature in the dynamic pressure roller or the static pressure roller is higher (the temperature is not higher than the ground where an alarm is required), the water pump can be started, cooling water is pumped into the cooling water rotary joint from the cooling water inlet through the first pipeline by the water pump, then enters the inner cavity of the static pressure roller through the cooling water rotary joint to cool the static pressure roller, and cooled hot water flows out through the water outlet of the cooling water rotary joint and flows into the hot water barrel to be collected through the second pipeline; the static pressure roller is contacted with the dynamic pressure roller, and the temperature of the dynamic pressure roller is reduced as long as the temperature of the static pressure roller is reduced.
The beneficial effects are that: in the invention, when the pressure sensor detects that the pressure between the dynamic pressure roller and the static pressure roller is larger or smaller, the distance between the dynamic pressure roller and the static pressure roller can be adjusted through the pressure adjusting mechanism, specifically, the first adjusting screw is rotated to drive the first adjusting gear to rotate, the first adjusting gear drives the first positioning seat fixed on the first adjusting gear to rotate, and when the first adjusting gear rotates, the first positioning seat drives the dynamic pressure roller to be close to or far away from the static pressure roller through the rotating shaft due to the eccentric arrangement of the first positioning seat and the adjusting gear, so that the purpose of adjusting the distance between the dynamic pressure roller and the static pressure roller can be achieved.
Therefore, the device is very simple and convenient to operate for adjusting the pressure, only needs to be installed at the two ends of the dynamic pressure roller and the static pressure roller, does not occupy the space between the dynamic pressure roller and the static pressure roller, has a simple structure, is stable and reliable, can effectively avoid overlarge or overlarge pressure between the dynamic pressure roller and the static pressure roller, and effectively prolongs the service lives of the dynamic pressure roller and the static pressure roller.
Drawings
Fig. 1 is a schematic structural view of an adjustable roll apparatus in embodiment 1;
fig. 2 is a schematic structural view of a pressure adjusting mechanism in embodiment 1;
fig. 3 is a schematic structural view of the positioning mechanism in embodiment 1;
fig. 4 is a schematic structural view of a positioning mechanism in embodiment 2;
fig. 5 is a schematic view showing the structure of an adjustable roll apparatus according to embodiment 3.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Embodiment 1:
the embodiment provides an adjustable press roll device, as shown in fig. 1, mainly comprising a movable press roll 1, a static press roll 2, a pressure sensor 3, a pressure adjusting mechanism 4 and a positioning mechanism 5, wherein the movable press roll 1 and the static press roll 2 are arranged in parallel and are in surface contact with each other, the pressure sensor 3 is arranged in the surface of the static press roll 2, one ends of the movable press roll 1 and the static press roll 2 are respectively in rotational connection with the pressure adjusting mechanism 4, and the other ends of the movable press roll 1 and the static press roll 2 are respectively in rotational connection with the positioning mechanism 5;
as shown in fig. 2, the pressure adjusting mechanism 4 mainly comprises an adjusting base 401, a first positioning hole 402, a first positioning seat 403, an adjusting gear 404 and a first adjusting screw 405, wherein the first positioning hole 402 is formed in the adjusting base 401, a rotating shaft of the static pressure roller 2 is rotationally connected with the first positioning hole 402, a rotating shaft of the dynamic pressure roller 1 is rotationally connected in the first positioning seat 403, the first positioning seat 403 is fixed on one surface of the adjusting gear 404, the first positioning seat 403 and the adjusting gear 404 are eccentrically arranged, and the adjusting gear 404 is rotationally connected on the adjusting base 401; the first adjusting screw 405 is fixed to the adjusting base 401 by a first bracket 406, and the first adjusting screw 405 is engaged with the adjusting gear 404.
As shown in fig. 3, the positioning mechanism 5 mainly comprises a positioning base 501, a second positioning hole 502, a second positioning seat 503 and an adjusting wheel 504, the second positioning hole 502 is formed on the positioning base 501, a rotating shaft of the static pressure roller 2 is rotationally connected with the second positioning hole 502, a rotating shaft of the dynamic pressure roller 1 is fixed in the second positioning seat 503, the second positioning seat 503 is fixed on one surface of the adjusting wheel 504, the second positioning seat 503 and the adjusting wheel 504 are eccentrically arranged, and the adjusting wheel 504 is rotationally connected on the positioning base 501.
The working principle of the device is as follows:
when the pressure sensor 3 detects that the pressure between the dynamic pressure roller 1 and the static pressure roller 2 is proper, the static pressure roller 2 rotates around the rotating shaft thereof between the first positioning hole 402 and the second positioning hole 502, and the dynamic pressure roller 1 rotates around the rotating shaft thereof between the first positioning seat 403 and the second positioning seat 503; when the pressure sensor 3 detects that the pressure between the dynamic pressure roller 1 and the static pressure roller 2 is larger or smaller (at this time, the dynamic pressure roller 1 and the static pressure roller 2 can be regulated by the pressure regulating mechanism 4), a first motor (not shown in the figure) connected with one end of the first regulating screw 405 is manually or through an output shaft to drive the first regulating screw 405 to rotate, the first regulating screw 405 drives the first regulating gear 404 to rotate, the first regulating gear 404 drives the first positioning seat 403 fixed on the first regulating screw 404 to rotate, because the first positioning seat 403 is eccentrically arranged with the first regulating gear 404, when the first regulating gear 404 rotates, one end of the dynamic pressure roller 1 is driven by a rotating shaft to be far away from or close to the static pressure roller 2, while the other ends of the dynamic pressure roller 1 and the static pressure roller 2 are respectively connected to the positioning mechanism 5 in a rotating way, and the pressure regulating mechanism 4 and the positioning mechanism 5 are in mirror symmetry, the structure of the positioning mechanism 5 is almost identical to the pressure regulating mechanism 4, the difference is only that the regulating wheel 504 of the positioning mechanism 5 is toothless, and can not be regulated by the regulating screw, but the regulating gear 404 in the pressure regulating mechanism 4 is equivalent to the regulating gear 504 in the first regulating mechanism, and the regulating mechanism is equivalent to the first regulating gear 404, and the regulating gear 504 is equivalent to the driving wheel and the regulating wheel 5 is also equivalent to the two ends of the dynamic pressure regulating wheel 2 to the regulating wheel 404 to the dynamic pressure roller 1. Therefore, the effect of adjusting the distance between the movable compression roller 1 and the static pressure roller 2 can be achieved, and the purpose of adjusting the pressure on the surfaces of the movable compression roller 1 and the static pressure roller 2 is achieved.
When the pressure sensor 3 detects that the pressure between the dynamic pressure roller 1 and the static pressure roller 2 is too high or too low (at the moment, the pressure cannot be regulated by the pressure regulating mechanism 4), the pressure sensor 3 sends a signal to the input end of the controller, the controller can control the pressure alarm connected with the output end of the controller to alarm after receiving the signal, and an operator is informed of shutdown maintenance, so that the service lives of the dynamic pressure roller and the static pressure roller are effectively ensured.
Embodiment 2:
the present embodiment is a further improvement of embodiment 1, and the main improvement is that in embodiment 1, the distance between the movable press roller 1 and one end of the static press roller 2 can be adjusted only by the pressure adjusting mechanism 4, the distance between the movable press roller 1 and one end of the static press roller 2 connected with the positioning mechanism 5 is adjusted only passively, and the distances between the two ends are adjusted to be the same; however, because the abrasion degree of the outer surfaces of the two ends of the movable compression roller 1 and the static compression roller 2 may be different after long-term use, at this time, the pressures of the two ends will be different, and at this time, if the adjusted spacing between the two ends is the same, there will still be a non-optimal spacing between the movable compression roller 1 and the static compression roller 2 connected with the positioning mechanism 5 after adjustment;
in the present embodiment, the structure of the positioning mechanism 5 is the same as that of the pressure adjusting mechanism 4, that is, in the positioning mechanism 5, the side edge of the adjusting wheel 504 is also provided with a gear, as shown in fig. 4, the positioning mechanism 5 further includes a second adjusting screw 505, the second adjusting screw 505 is fixed on the positioning base 501 through a second bracket 506, and the second adjusting screw 505 is meshed with the adjusting wheel 504. The design makes the interval at the both ends of movable compression roller 1 and static pressure roller 2 adjustable respectively, adjusts the interval between movable compression roller 1 and static pressure roller 2 through the positioning mechanism 5 and the pressure adjustment mechanism 4 at both ends respectively, can adjust the pressure between the two more accurately.
For convenience of adjustment, a second motor (not shown) whose output shaft is connected to one end of the second adjusting screw 505 may be further provided in the positioning mechanism 5, and the second adjusting screw 505 is driven to rotate by the second motor.
Otherwise, this embodiment is identical to embodiment 1, and a description thereof will be omitted.
Embodiment 3:
in the embodiment 2, after the dynamic pressure roller 1 and the static pressure roller 2 run for a long time, the surface temperature of the dynamic pressure roller 1 and the static pressure roller 2 is easy to be too high, and the dynamic pressure roller 1 and the static pressure roller 2 are damaged due to the fact that the surfaces of the dynamic pressure roller 1 and the static pressure roller 2 are made of rubber materials and the too high temperature, so that in the embodiment, a temperature sensor 6 is further installed in the surface of the static pressure roller 2, as shown in fig. 5, one end of the static pressure roller 2 is also connected with a cooling water rotary joint 7 communicated with the inner cavity of the static pressure roller in a sealing manner, a water inlet 701 of the cooling water rotary joint 7 is communicated with a cooling water bucket through a first pipeline, a water pump is arranged on the first pipeline, and a water outlet is communicated with the hot water bucket through a second pipeline.
The cooling water rotary joint 7 is a high-speed water rotary joint with the model of HS-G40 manufactured by Kamine mechanical science, inc. of Ten, and is a commercial standard part.
When the temperature sensor 6 detects that the surface temperature of the static pressure roller 2 is higher (at the moment, the temperature can be reduced by water cooling), the water pump can be started, cooling water is pumped into the cooling water rotary joint 7 from the cooling water inlet through the first pipeline by the water pump, then enters the inner cavity of the static pressure roller 2 through the cooling water rotary joint 7 to cool the static pressure roller 2, cooled hot water flows out through the water outlet 702 of the cooling water rotary joint 7 and flows into the hot water barrel through the second pipeline to be collected; the static pressure roller 2 is in contact with the dynamic pressure roller 1, and as long as the temperature of the static pressure roller 2 is reduced, the temperature of the dynamic pressure roller 1 is reduced. When the temperature sensor 6 detects that the surface temperature of the static pressure roller 2 is too high (at this time, the temperature cannot be lowered by water cooling), a signal is sent to the input end of the controller, the controller can control the temperature alarm connected with the output end of the controller to alarm after receiving the signal, and an operator is informed of shutdown maintenance, so that the service lives of the movable pressure roller 1 and the static pressure roller 2 are effectively guaranteed.
Otherwise, this embodiment is identical to embodiment 2, and a detailed description thereof will be omitted.
The foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (3)
1. The adjustable compression roller device is characterized in that a dynamic pressure roller (1) and a static pressure roller (2) are arranged in parallel, the surfaces of the dynamic pressure roller and the static pressure roller are in contact, a pressure sensor (3) is arranged in the surface of the dynamic pressure roller (1) or the static pressure roller (2), one ends of the dynamic pressure roller (1) and the static pressure roller (2) are respectively in rotational connection with a pressure adjusting mechanism (4), the other ends of the dynamic pressure roller and the static pressure roller are respectively in rotational connection with a positioning mechanism (5), and the pressure adjusting mechanism (4) and the positioning mechanism (5) are in mirror symmetry;
in the pressure regulating mechanism (4), a first positioning hole (402) is formed in a regulating base (401), a rotating shaft of the static pressure roller (2) is rotationally connected with the first positioning hole (402), a rotating shaft of the dynamic pressure roller (1) is rotationally connected in a first positioning seat (403), the first positioning seat (403) is fixed on one surface of a regulating gear (404), the first positioning seat (403) and the regulating gear (404) are eccentrically arranged, and the regulating gear (404) is rotationally connected to the regulating base (401); the first adjusting screw rod (405) is fixed on the adjusting base (401) through a first bracket (406), and the first adjusting screw rod (405) is meshed with the adjusting gear (404);
in the positioning mechanism (5), a second positioning hole (502) is formed in a positioning base (501), a rotating shaft of the static pressure roller (2) is rotationally connected with the second positioning hole (502), the rotating shaft of the dynamic pressure roller (1) is fixed in a second positioning base (503), the second positioning base (503) is fixed on one surface of an adjusting wheel (504), the second positioning base (503) and the adjusting wheel (504) are eccentrically arranged, and the adjusting wheel (504) is rotationally connected to the positioning base (501);
the side of the adjusting wheel (504) is also provided with a gear, the positioning mechanism (5) further comprises a second adjusting screw (505), the second adjusting screw (505) is fixed on the positioning base (501) through a second bracket (506), and the second adjusting screw (505) is meshed with the adjusting wheel (504);
the positioning mechanism (5) further comprises a second motor, and an output shaft of the second motor is connected with one end of the second adjusting screw rod (505);
the adjustable compression roller device also comprises a cooling water rotary joint (7), the cooling water rotary joint (7) is in rotary sealing connection with one end of the inner cavity of the static pressure roller (2), a water inlet (701) of the adjustable compression roller device is communicated with the cooling water bucket through a first pipeline, a water pump is further arranged on the first pipeline, and a water outlet (702) of the adjustable compression roller device is communicated with the hot water bucket through a second pipeline.
2. Adjustable press roll device according to claim 1, characterized in that the pressure adjusting mechanism (4) further comprises a first motor, the output shaft of which is connected to one end of the first adjusting screw (405).
3. Adjustable pressure roller arrangement according to claim 1, further comprising a temperature sensor (6) arranged in the surface of the movable pressure roller (1) or the static pressure roller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131064.8A CN109702018B (en) | 2019-02-22 | 2019-02-22 | Adjustable press roller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131064.8A CN109702018B (en) | 2019-02-22 | 2019-02-22 | Adjustable press roller device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702018A CN109702018A (en) | 2019-05-03 |
| CN109702018B true CN109702018B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910131064.8A Active CN109702018B (en) | 2019-02-22 | 2019-02-22 | Adjustable press roller device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109702018B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7420052B2 (en) * | 2020-11-04 | 2024-01-23 | トヨタ自動車株式会社 | Press roll device and method for controlling the press roll device |
| CN113211670B (en) * | 2021-04-20 | 2022-09-16 | 温岭市博胜塑胶有限公司 | Mixing roll capable of preventing rubber from being scorched |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699035A (en) * | 2012-06-12 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Adjustable type lifting device of grinding machine |
| CN105234176A (en) * | 2015-09-28 | 2016-01-13 | 浙江普特铝业有限公司 | Hot rolling equipment |
| CN205032479U (en) * | 2015-08-26 | 2016-02-17 | 安徽大洋机械制造有限公司 | Press roller adjusting device |
| CN205110368U (en) * | 2015-11-06 | 2016-03-30 | 广东韶钢松山股份有限公司 | Pressure roller adjustment device on continuous rolling mill train loop |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811164B (en) * | 2005-12-05 | 2013-07-10 | 本田技研工业株式会社 | Hemming working method and hemming working apparatus |
-
2019
- 2019-02-22 CN CN201910131064.8A patent/CN109702018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699035A (en) * | 2012-06-12 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Adjustable type lifting device of grinding machine |
| CN205032479U (en) * | 2015-08-26 | 2016-02-17 | 安徽大洋机械制造有限公司 | Press roller adjusting device |
| CN105234176A (en) * | 2015-09-28 | 2016-01-13 | 浙江普特铝业有限公司 | Hot rolling equipment |
| CN205110368U (en) * | 2015-11-06 | 2016-03-30 | 广东韶钢松山股份有限公司 | Pressure roller adjustment device on continuous rolling mill train loop |
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| CN109702018A (en) | 2019-05-03 |
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