CN114161606A - Hydraulic adjusting tool of open mill - Google Patents
Hydraulic adjusting tool of open mill Download PDFInfo
- Publication number
- CN114161606A CN114161606A CN202111602270.6A CN202111602270A CN114161606A CN 114161606 A CN114161606 A CN 114161606A CN 202111602270 A CN202111602270 A CN 202111602270A CN 114161606 A CN114161606 A CN 114161606A
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- Prior art keywords
- control box
- oil control
- oil
- hydraulic
- port
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 18
- 239000003921 oil Substances 0.000 description 77
- 239000010720 hydraulic oil Substances 0.000 description 15
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010074 rubber mixing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
- B29B7/56—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders with co-operating rollers, e.g. with repeated action, i.e. the material leaving a set of rollers being reconducted to the same set or being conducted to a next set
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/724—Measuring, controlling or regulating for continuous roller mixers, e.g. calenders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a hydraulic adjusting tool for an open mill, and relates to the technical field of adjusting tools for rollers of open mills. The utensil is transferred to mill hydraulic pressure, including the oil tank, still include: the motors are symmetrically arranged and fixed on one side of the top surface of the oil tank; the oil control boxes are symmetrically arranged and fixed on the other side of the top surface of the oil tank; the motor and the oil control box are communicated with the inner side of the oil tank and are in transmission connection; according to the invention, the symmetrical motor and the oil control box are additionally arranged at the top of the oil tank, so that when the device is used for adjusting the open mill roller, the two sides of the roller can be synchronously adjusted in a double-hydraulic mode, the stability of the roller in the adjusting process is improved, the deviation of the distance between the two sides of the roller is avoided, and the efficiency of the device in adjusting the open mill roller is improved.
Description
Technical Field
The invention relates to the technical field of an open mill roller adjusting tool, in particular to a hydraulic adjusting tool of an open mill.
Background
The open rubber mixing machine is called a front roller on one side of an operator, and the front roller can be horizontally moved back and forth through manual or electric operation so as to adjust the roller distance and adapt to the operation requirements; the back roller is fixed and can not move back and forth, the two rollers are generally the same in size and rotate relatively at different speeds, and the raw rubber or rubber compound is rolled into the gap between the two rollers along with the rotation of the rollers and is subjected to strong shearing action to achieve the purpose of plastication or mixing.
At present, when rubber with different sizes is processed by an open mill, rollers of the open mill need to be adjusted to change the distance between the rollers, and when the existing hydraulic adjusting tool for the rollers of the open mill is used, the hydraulic adjusting tool is basically adopted to adjust two sides of the rollers respectively, so that the adjustment tools on the two sides of the rollers are deviated after the adjustment is finished, and therefore, the hydraulic adjusting tool for the open mill needs to be provided to solve the technical problem.
Disclosure of Invention
In order to solve the technical problem, the invention provides a hydraulic adjusting tool of an open mill.
The invention provides a hydraulic adjusting tool of an open mill, which comprises: the oil tank still includes:
the motors are symmetrically arranged and fixed on one side of the top surface of the oil tank;
the oil control boxes are symmetrically arranged and fixed on the other side of the top surface of the oil tank;
the motor and the oil control box are communicated with the inner side of the oil tank and are in transmission connection.
Preferably, a liquid level meter is fixed on one side of the top of the end face of one side of the oil tank and communicated with the inner side of the oil tank.
Preferably, the end faces of two sides of the bottom of the oil control box are respectively fixed with a forward throttle valve and a backward throttle valve, and the forward throttle valve and the backward throttle valve are in transmission connection with the inner side of the oil control box.
Preferably, the bottom of the end face of one side, far away from the motor, of the oil control box is fixedly provided with a port B and a port A, the port B and the port A are symmetrically arranged, and the port B and the port A are communicated with the inner side of the oil control box.
Preferably, the middle parts of one surfaces of the oil control box, which is connected with the forward throttle valve and the backward throttle valve, are fixedly provided with symmetrical electromagnetic valves, and the electromagnetic valves are in transmission connection with the inner side of the oil control box.
Preferably, an overflow valve is fixed in the middle of the bottom side of one side of the oil control box, which is far away from the interface B and the interface A, and the overflow valve is in transmission connection with the inner side of the oil control box.
Preferably, symmetrical protection valves are fixed in the middle of one side, connected with the overflow valve, of the oil control box, a main pressure gauge and a pressure maintaining gauge are respectively arranged at the positions where the protection valves are communicated with the oil control box, and the protection valves, the main pressure gauge and the pressure maintaining gauge are communicated with the inner side of the oil control box.
Preferably, the oil tank is kept away from one side terminal surface of level gauge and is fixed with the switch board, and switch board inside is fixed with the digital display distance meter, digital display distance meter and the inside electric connection of accuse oil box.
Preferably, the inner side of the digital display distance meter is provided with a limit switch, the limit switch is electrically connected with the digital display distance meter, and the limit switch is electrically connected with the electromagnetic valve and the protection valve.
Preferably, an oil filling port is formed in the top surface of the oil tank and located between the motor and the oil control box, the oil filling port is communicated with the inner side of the oil tank, and a sealing cover is sleeved on the outer side of the oil filling port.
Compared with the related art, the hydraulic adjusting tool of the open mill provided by the invention has the following beneficial effects:
1. according to the invention, the symmetrical motor and the oil control box are additionally arranged at the top of the oil tank, so that when the device is used for adjusting the open mill roller, the two sides of the roller can be synchronously adjusted in a double-hydraulic mode, the stability of the roller in the adjusting process is improved, the deviation of the distance between the two sides of the roller is avoided, and the efficiency of the device in adjusting the open mill roller is improved.
2. The electromagnetic valves, the pressure maintaining meters, the throttle valves, the overflow valves and the protection valves are additionally arranged on the two sides of the oil control box, so that the oil control box can regulate and release hydraulic oil on the inner side in the working process, the hydraulic oil is prevented from being accidentally leaked in the working process, the safety of the hydraulic oil on the inner side of the equipment during transmission is improved, the hydraulic oil can be regulated in advance through various valves before being used, and the stability of the equipment in the regulating process of the open mill roller is improved.
3. The power distribution cabinet is additionally arranged on one side of the oil tank, so that the equipment is more rapid to operate and control, the connection efficiency between the electricity is higher, the digital display distance meter arranged on the inner side of the power distribution cabinet can accurately display the distance of the equipment in the process of adjusting the rollers of the open mill, the accuracy of the equipment in the adjusting process is improved, the limit switch additionally arranged on the inner side of the digital display distance meter can sense the distance between the rollers according to the digital display distance meter, the equipment is automatically sensed and controlled, the phenomenon that the open mill collides the rollers in the process of adjusting the rollers is avoided, and the safety of the open mill in the adjusting process is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of the hydraulic conditioner of an open mill according to the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the oil control box according to the present invention;
FIG. 4 is a schematic side view of the oil control cartridge of the present invention.
Reference numbers in the figures: 1. an oil tank; 2. a motor; 3. a liquid level meter; 4. a main pressure meter; 5. a pressure maintaining meter; 6. an electromagnetic valve; 7. a forward throttle valve; 8. a backward throttle valve; 9. an overflow valve; 10. a protection valve; 11. an oil filling port; 12. interface B; 13. an interface A; 14. a power distribution cabinet; 15. a distance meter is digitally displayed; 16. and an oil control box.
Detailed Description
In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
Referring to the drawings, the hydraulic adjuster of the open mill provided by the embodiment of the invention comprises:
the oil tank 1 further includes:
the motor 2 is symmetrically arranged and fixed on one side of the top surface of the oil tank 1;
the oil control boxes 16 are symmetrically arranged and fixed on the other side of the top surface of the oil tank 1;
the motor 2 and the oil control box 16 are communicated with the inner side of the oil tank 1, and the motor 2 and the oil control box 16 are in transmission connection.
It should be noted that: a liquid level meter 3 is fixed on one side of the top of the end face of one side of the oil tank 1, the liquid level meter 3 is communicated with the inner side of the oil tank 1, an oil filling port 11 is arranged between the motor 2 and the oil control box 16 on the top face of the oil tank 1, the oil filling port 11 is communicated with the inner side of the oil tank 1, and a sealing cover is sleeved on the outer side of the oil filling port 11.
In the present embodiment: according to the invention, the symmetrical motor 2 and the oil control box 16 are additionally arranged at the top of the oil tank 1, so that when the device is used for adjusting the open mill roller, the two sides of the roller can be synchronously adjusted in a double-hydraulic mode, the stability of the roller in the adjusting process is improved, the deviation of the distance between the two sides of the roller is avoided, and the efficiency of the device in adjusting the open mill roller is improved.
In the embodiment of the invention, please refer to the attached drawings of the specification, a power distribution cabinet 14 is fixed on one side end surface of an oil tank 1 far away from a liquid level meter 3, a digital distance meter 15 is fixed inside the power distribution cabinet 14, the digital distance meter 15 is electrically connected with the inner side of an oil control box 16, a limit switch is arranged on the inner side of the digital distance meter 15, the limit switch is electrically connected with the digital distance meter 15, and the limit switch is electrically connected with an electromagnetic valve 6 and a protection valve 10;
in the present embodiment: according to the invention, the power distribution cabinet 14 is additionally arranged on one side of the oil tank 1, so that the equipment is more rapid to operate and control, the connection efficiency between the electricity is higher, the digital display distance meter 15 arranged on the inner side of the power distribution cabinet 14 can accurately display the distance of the equipment in the process of adjusting the rollers of the open mill, the accuracy of the equipment in the adjusting process is improved, the limit switch additionally arranged on the inner side of the digital display distance meter 15 can sense the distance between the rollers according to the digital display distance meter 15, the equipment is automatically sensed and controlled, the phenomenon that the open mill touches the rollers in the process of adjusting the rollers is avoided, and the safety of the open mill in the adjusting process is improved.
In the embodiment of the invention, please refer to the attached drawings in the description, a forward throttle valve 7 and a backward throttle valve 8 are respectively fixed on the end surfaces of both sides of the bottom of an oil control box 16, the forward throttle valve 7 and the backward throttle valve 8 are in transmission connection with the inner side of the oil control box 16, a port B12 and a port a 13 are fixed on the bottom of the end surface of the oil control box 16 far away from a motor 2, the port B12 and the port a 13 are symmetrically arranged, the port B12 and the port a 13 are communicated with the inner side of the oil control box 16, symmetrical electromagnetic valves 6 are fixed in the middle of one surface of the oil control box 16 connecting the forward throttle valve 7 and the backward throttle valve 8, the electromagnetic valves 6 are in transmission connection with the inner side of the oil control box 16, an overflow valve 9 is fixed in the middle of the bottom side of one surface of the oil control box 16 far away from the port B12 and the port a 13, the overflow valve 9 is in transmission connection with the inner side of the oil control box 16, a symmetrical protection valve 10 is fixed in the middle of one surface of the oil control box 16 connecting the overflow valve 9, a main pressure gauge 4 and a pressure maintaining gauge 5 are respectively arranged at the positions where the protection valve 10 is communicated with the oil control box 16, and the protection valve 10, the main pressure gauge 4 and the pressure maintaining gauge 5 are communicated with the inner side of the oil control box 16;
in the present embodiment: according to the invention, the electromagnetic valves 6, the pressure maintaining meter 5, the throttle valve, the overflow valve 9 and the protection valve 10 are additionally arranged on the two sides of the oil control box 16, so that the oil control box 16 can regulate and release hydraulic oil on the inner side in all aspects in the working process, the hydraulic oil is prevented from being accidentally leaked in the working process, the safety of the hydraulic oil on the inner side of the equipment in transmission is improved, the hydraulic oil can be regulated in advance through various valves before use, and the stability of the equipment in the regulating process of the open mill roller is improved.
The working principle of the hydraulic adjusting tool of the open mill provided by the invention is as follows: when the hydraulic oil recovery device is used, the motor 2 can be driven to convey hydraulic oil on the inner side of the oil tank 1 to the inner side of the oil control box 16, the main pressure gauge 4 can be observed in the conveying process, when the pressure on the inner side of the main pressure gauge 4 reaches, the roller adjusting interface of the open mill can be connected with the interface A13 and the interface B12, after the connection is completed, the forward throttle valve 7 can be started to control the hydraulic oil to adjust the roller of the open mill, in the adjusting process, the digital display distance gauge 15 on the inner side of the power distribution cabinet 14 can accurately display the adjusting distance of the roller through the conveying amount of the hydraulic oil, and after the adjustment is completed, the backward throttle valve 8 is started to recover the hydraulic oil to the inner side of the oil tank 1;
it should be noted that: after the click is started, if the display position of the main pressure gauge 4 cannot reach the pressure, the overflow valve 9 can be adjusted, impurities and air inside the oil control box 16 are discharged, so that the oil inside the oil control box 16 is in a normal state, and when the overflow valve 9 is closed, the main pressure gauge 4 can continue to work after being recovered to be normal;
it should be noted that: when the distance displayed on the inner side of the digital display distance meter 15 exceeds the preset distance, a limit switch positioned on the inner side of the digital display distance meter 15 is started, and the electric control electromagnetic valve 6 enables the equipment to stop oil supply and the regulation of the open mill roller to stop;
it should be noted that: after the electromagnetic valve 6 is started, the protective valve 10 can be directly started, so that the hydraulic oil which is stopped to be conveyed flows to the outside through the protective valve 10, and the damage to equipment caused by high pressure accumulation generated by the hydraulic oil on the inner side of the equipment is avoided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. Mill hydraulic pressure transfers utensil, including oil tank (1), its characterized in that still includes:
the motor (2), the said motor (2) is symmetrical to set up and fix to one side of top surface of the fuel tank (1);
the oil control box (16), the oil control box (16) is symmetrically arranged and fixed on the other side of the top surface of the oil tank (1);
the motor (2) and the oil control box (16) are communicated with the inner side of the oil tank (1), and the motor (2) is in transmission connection with the oil control box (16).
2. The hydraulic mixer of claim 1, wherein a liquid level meter (3) is fixed on one side of the top of one side end surface of the oil tank (1), and the liquid level meter (3) is communicated with the inner side of the oil tank (1).
3. The hydraulic adjuster of the open mill according to claim 2, characterized in that a forward throttle valve (7) and a backward throttle valve (8) are respectively fixed on the end surfaces of the two sides of the bottom of the oil control box (16), and the forward throttle valve (7) and the backward throttle valve (8) are in transmission connection with the inner side of the oil control box (16).
4. The hydraulic mixer of claim 3, wherein the bottom of the end surface of the oil control box (16) far away from the motor (2) is fixed with a port B (12) and a port A (13), the port B (12) and the port A (13) are symmetrically arranged, and the port B (12) and the port A (13) are communicated with the inner side of the oil control box (16).
5. The hydraulic mixer of claim 4, wherein the oil control box (16) is connected with the forward throttle valve (7) and the backward throttle valve (8), and symmetrical electromagnetic valves (6) are fixed in the middle of one surface of the oil control box, and the electromagnetic valves (6) are in transmission connection with the inner side of the oil control box (16).
6. The hydraulic adjuster of the open mill according to claim 5, characterized in that an overflow valve (9) is fixed in the middle of the bottom side of one side of the oil control box (16) far away from the port B (12) and the port A (13), and the overflow valve (9) is in transmission connection with the inner side of the oil control box (16).
7. The hydraulic adjuster of the open mill according to claim 6, characterized in that symmetrical protection valves (10) are fixed in the middle of one surface of the oil control box (16) connected with the overflow valve (9), a main pressure gauge (4) and a pressure maintaining gauge (5) are respectively arranged at the positions where the protection valves (10) are communicated with the oil control box (16), and the protection valves (10), the main pressure gauge (4) and the pressure maintaining gauge (5) are communicated with the inner side of the oil control box (16).
8. The hydraulic adjusting tool of the open mill according to claim 1, characterized in that a power distribution cabinet (14) is fixed on the end face of one side of the oil tank (1) far away from the liquid level meter (3), a digital display distance meter (15) is fixed inside the power distribution cabinet (14), and the digital display distance meter (15) is electrically connected with the inner side of the oil control box (16).
9. The hydraulic mixer of claim 8, wherein a limit switch is arranged on the inner side of the digital display distance meter (15), the limit switch is electrically connected with the digital display distance meter (15), and the limit switch is electrically connected with the electromagnetic valve (6) and the protection valve (10).
10. The hydraulic mixer of claim 1, wherein a filling port (11) is arranged on the top surface of the oil tank (1) between the motor (2) and the oil control box (16), the filling port (11) is communicated with the inner side of the oil tank (1), and a sealing cover is sleeved on the outer side of the filling port (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602270.6A CN114161606A (en) | 2021-12-24 | 2021-12-24 | Hydraulic adjusting tool of open mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602270.6A CN114161606A (en) | 2021-12-24 | 2021-12-24 | Hydraulic adjusting tool of open mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114161606A true CN114161606A (en) | 2022-03-11 |
Family
ID=80488107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111602270.6A Pending CN114161606A (en) | 2021-12-24 | 2021-12-24 | Hydraulic adjusting tool of open mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114161606A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203110191U (en) * | 2013-01-14 | 2013-08-07 | 海门市油威力液压工业有限责任公司 | Roll spacing adjustment and safe disengagement hydraulic system for open mill |
| CN216732509U (en) * | 2021-12-24 | 2022-06-14 | 泰兴市瑞兴橡塑机械有限公司 | Hydraulic adjusting tool of open mill |
-
2021
- 2021-12-24 CN CN202111602270.6A patent/CN114161606A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203110191U (en) * | 2013-01-14 | 2013-08-07 | 海门市油威力液压工业有限责任公司 | Roll spacing adjustment and safe disengagement hydraulic system for open mill |
| CN216732509U (en) * | 2021-12-24 | 2022-06-14 | 泰兴市瑞兴橡塑机械有限公司 | Hydraulic adjusting tool of open mill |
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