CN219602832U - Tension control structure of vertical metal foil cleaning machine - Google Patents
Tension control structure of vertical metal foil cleaning machine Download PDFInfo
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- CN219602832U CN219602832U CN202320739935.6U CN202320739935U CN219602832U CN 219602832 U CN219602832 U CN 219602832U CN 202320739935 U CN202320739935 U CN 202320739935U CN 219602832 U CN219602832 U CN 219602832U
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Abstract
A tension control structure of a vertical metal foil cleaning machine comprises a tension generating device and a sliding guide roller combination, wherein the tension generating device is fixedly connected with the sliding guide roller combination; the tension generating device is provided with a tension cylinder, and the sliding guide roller combination is provided with a tension detection sensor; zhang Ligang is connected with a servo hydraulic system through a pipeline, and hydraulic oil is provided for the tension cylinder by the servo hydraulic system so that the tension cylinder generates tension; when the tension of the metal foil changes, a tension change signal detected by a tension detection sensor is used for controlling a servo control valve in a servo hydraulic system to regulate and control the pressure of a tension cylinder, so that the tension stability of the metal foil is ensured; in the tension control structure of the vertical metal foil cleaning machine, mechanical displacement does not exist in tension control of the metal foil, the problem of large system inertia is solved, and the tension control structure has the characteristics of high response speed and high control precision, so that the response speed and the precision of tension control of the vertical metal foil cleaning machine are ensured.
Description
Technical Field
The utility model relates to the technical field of metal foil cleaning machines, in particular to a tension control structure of a metal foil vertical cleaning machine.
Background
In the rolling process of the metal foil, metal fine scraps, foreign matters or rolling oil which fall off are adhered to the surface of the metal foil, so that after the rolling of the metal foil is finished, the surface of the metal foil is cleaned by a metal foil cleaner before other subsequent processes are carried out, and the surface cleanliness of the metal foil is improved.
The vertical metal foil cleaning machine is a new-structure foil cleaning machine, realizes vertical metal foil cleaning through two groups of guide rollers which are staggered from bottom to top and left to right, solves the problem of liquid accumulation in the existing horizontal metal foil spray cleaning process, and greatly improves the cleaning speed of the metal foil; the cleaning speed of the metal foil is improved, and correspondingly, higher requirements are put on tension control during cleaning of the metal foil; the original control of the tension of the metal foil is to drive a ball screw to control the displacement of a guide roller through a servo motor so as to realize the tension control of the metal foil, and the problems of long transmission chain and large system inertia exist in the tension control mode, so that the response speed is slower, the requirement of high-speed cleaning of the metal foil cannot be met, and the tension fluctuation of the metal foil is larger; especially, the thickness of the metal foil is extremely thin (0.06 mm), the tension control is unstable during high-speed cleaning, and the problem of belt breakage can be frequently caused, so that how to improve the response speed and the precision of the tension control of the metal foil becomes a technical problem for restricting the vertical cleaning machine of the metal foil to realize high-speed cleaning.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a tension control structure of a vertical metal foil cleaning machine, which comprises a tension generating device and a sliding guide roller combination, wherein the tension generating device is fixedly connected with the sliding guide roller combination, and the tension generating device provides tension for the sliding guide roller combination; the tension generating device is provided with a tension cylinder which is connected with a servo hydraulic system or a servo pneumatic system through a pipeline, and the servo hydraulic system or the servo pneumatic system provides pressure for the tension cylinder to enable the tension cylinder to generate tension; when the tension of the metal foil is changed, a tension change signal controls a servo hydraulic system or a servo control valve in a servo pneumatic system to regulate and control the pressure of the tension cylinder, so that the tension stability of the metal foil is ensured.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a tension control structure of a vertical metal foil cleaning machine comprises a rectangular frame; the rectangular frame is horizontally provided with a tension generating device and a sliding guide roller combination, the tension generating device is fixedly connected with the sliding guide roller combination, and the tension generating device provides tension for the sliding guide roller combination; the tension generating device is provided with a tension cylinder, and the sliding guide roller combination is provided with a tension detection sensor; zhang Ligang is connected with a servo hydraulic system or a servo pneumatic system through a pipeline, the servo hydraulic system or the servo pneumatic system provides pressure for the tension cylinder, so that the tension cylinder generates tension, the tension generated by the tension cylinder is transmitted to the sliding guide roller combination through the tension generating device, and the guide roller provides stable tension for the metal foil; when the tension of the metal foil changes due to other reasons (instead of the tension generated by the tension generating device, for example, the tension changes caused by the speed change of the metal foil), the tension change signal detected by the tension detection sensor controls a servo control valve in a servo hydraulic system or a servo pneumatic system to regulate and control the pressure of the tension cylinder, so that the tension stability of the metal foil is ensured; in the tension control structure of the vertical metal foil cleaning machine, tension control on the metal foil is realized by controlling the pressure of the tension cylinder through the servo control valve, and the guide roller does not need to be displaced when tension control is performed, so that the problem of large system inertia of the traditional tension control mechanism does not exist, and meanwhile, the requirement of the vertical metal foil cleaning machine on the tension control response speed and precision is fully ensured because the servo control valve has the characteristics of high response speed and high control precision.
Further, the tension generating device comprises a tension generating device bracket, a tension cylinder and a tension transmission beam; the tension generating device bracket is fixedly arranged at the left or right side of the rectangular frame; the tension cylinder bracket is fixedly arranged at the upper part of the tension generating device bracket; the tension cylinder is fixedly arranged on the outer side of the tension cylinder bracket; the tension transmission beam is arranged on the inner side of the tension cylinder bracket and is hinged with a piston shaft of the tension cylinder through a pin shaft.
Further, the sliding guide roller combination comprises a sliding seat assembly and a guide roller combination, and the guide roller combination is rotatably arranged between the two sliding seat assemblies through a bearing; the two sliding seat components are respectively and fixedly arranged on the front side and the rear side of the rectangular frame.
Further, the sliding seat assembly comprises a sliding base and a linear guide rail pair, and the linear guide rail pair is arranged at the upper part of the sliding base; the sliding seat assembly is provided with two sets which are symmetrically and fixedly arranged on the front side and the rear side of the rectangular frame.
Further, the guide roller combination comprises a guide roller, a tension detection sensor, a bearing seat, a front sliding support and a rear sliding support; the front sliding support and the rear sliding support are respectively fixedly arranged at the upper parts of the linear guide rail pairs of the two sets of sliding seat assemblies; the tension detection sensor and the bearing seat are fixedly arranged on the inner side surface of the front sliding support or the rear sliding support in the left-right direction in a superposition manner; the two ends of the guide roller are rotationally connected with the bearing seat through bearings; the front sliding support and the rear sliding support are fixedly connected with two ends of the tension transmission beam.
Further, one end of the guide roller is connected with a guide roller motor.
Preferably, the sliding seat assembly comprises a sliding base and a guide sleeve guide post pair, wherein the guide sleeve guide post pair is arranged at the upper part of the sliding base; the front sliding support and the rear sliding support are respectively fixedly arranged at the upper parts of guide sleeve guide pillar pairs of the two sets of sliding seat assemblies; the guide sleeve guide pillar pair is adopted, so that the levelness of the guide roller combination can be adjusted more conveniently.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: the utility model discloses a tension control structure of a vertical metal foil cleaning machine, which comprises a tension generating device and a sliding guide roller combination, wherein the tension generating device is fixedly connected with the sliding guide roller combination, and the tension generating device provides tension for the sliding guide roller combination; the tension generating device is provided with a tension cylinder, and the sliding guide roller combination is provided with a tension detection sensor; zhang Ligang is connected with a servo hydraulic system or a servo pneumatic system through a pipeline, and the servo hydraulic system or the servo pneumatic system provides pressure for the tension cylinder to enable the tension cylinder to generate tension; when the tension of the metal foil is changed, a tension change signal controls a servo control valve in a servo hydraulic system or a servo pneumatic system to regulate and control the pressure of a tension cylinder, so that the tension of the metal foil is ensured to be stable; in the tension control structure of the vertical metal foil cleaning machine, tension control on the metal foil is realized by controlling the pressure of the tension cylinder through the servo control valve, and the guide roller does not need to be displaced when tension control is performed, so that the problem of large system inertia of the traditional tension control mechanism does not exist, and meanwhile, the response speed and the precision of tension control of the vertical metal foil cleaning machine are fully ensured because the servo control valve has the characteristics of high response speed and high control precision.
Drawings
FIG. 1 is a schematic view of the tension control structure of a vertical metal foil cleaner;
FIG. 2 is a schematic diagram showing the working state of a tension control structure of a vertical metal foil cleaning machine;
FIG. 3 is a schematic view of the tension generating apparatus;
FIG. 4 is an exploded view of a tension generating device;
FIG. 5 is a schematic view showing a sliding guide roller assembly according to an embodiment;
FIG. 6 is a schematic view of an embodiment of a sliding seat assembly;
FIG. 7 is a schematic view of the guide roller assembly;
FIG. 8 is an exploded view of a guide roller assembly;
FIG. 9 is a schematic diagram of the appearance of a tension sensor;
FIG. 10 is a schematic view showing the assembly of sliding guide rollers according to the second embodiment;
FIG. 11 is a schematic view of an embodiment of a sliding seat assembly;
FIG. 12 is a schematic view of a cylinder structure according to an embodiment;
FIG. 13 is a schematic diagram of a two-tension cylinder configuration according to an embodiment;
fig. 14 is an external view of a three-slide base assembly according to an embodiment.
In the figure: 1. a rectangular frame; 2. a tension generating device; 2.1, a tension generating device bracket; 2.2, a tension cylinder bracket; 2.3, a tension cylinder; 2.4, a tension transmission beam; 2.4.1, slotted holes; 3. a sliding guide roller combination; 3.1, a sliding seat assembly; 3.1.1, sliding base; 3.1.2, a linear guide rail pair; 3.1.3, guiding sleeve guide pillar pairs; 3.2, guide roller combination; 3.2.1, guide rollers; 3.2.2, tension detecting sensor; 3.2.2.1, sensor backplane; 3.2.2.2 sensor spring bridge plate; 3.2.2.3, bearing seat mounting plate; 3.2.3, bearing seats; 3.2.4, a guide roller motor; 3.2.5, front sliding support; 3.2.6, a rear sliding bracket; 4. and (5) a metal foil.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
Example 1:
see fig. 1 and 2 of the specification: the tension control structure of the vertical metal foil cleaning machine comprises a rectangular frame 1, wherein the rectangular frame 1 is formed by welding rectangular steel materials; the rectangular frame 1 is horizontally provided with a tension generating device 2 and a sliding guide roller combination 3, and the tension generating device 2 is fixedly connected with the sliding guide roller combination 3 to form a tension control structure of the vertical metal foil cleaning machine; the tension control structure of the vertical metal foil cleaning machine is provided with two sets which are respectively arranged at the left side and the right side of the rectangular frame 1;
see fig. 3, 4 of the description: the tension generating device 2 comprises a tension generating device bracket 2.1, a tension cylinder bracket 2.2, a tension cylinder 2.3 and a tension transmission beam 2.4, wherein the tension transmission beam 2.4 is of a portal frame structure formed by welding channel steel, and a slotted hole 2.4.1 is arranged in the middle of a cross beam; the tension cylinder 2.3 is a piston cylinder, one end of the tension cylinder extends to form a piston shaft, and a hinge hole is formed in the piston shaft; the tension generating device bracket 2.1 is fixedly arranged at the left side or the right side of the rectangular frame 1; the tension cylinder bracket 2.2 is fixedly arranged at the upper part of the tension generating device bracket 2.1; the tension cylinder 2.3 is fixedly arranged on the outer side of the tension cylinder bracket 2.2; the tension transmission beam 2.4 is arranged on the inner side of the tension cylinder bracket 2.2 and is hinged with a piston shaft of the tension cylinder 2.3 through a pin shaft; referring to fig. 12 of the specification, cavities on two sides of a piston of the tension cylinder 2.3 are connected to a servo hydraulic system or a servo pneumatic system through pipelines;
referring to fig. 5 of the specification, the sliding guide roller assembly 3 comprises a sliding seat assembly 3.1 and a guide roller assembly 3.2; see fig. 6 of the specification: the sliding seat assembly 3.1 comprises a sliding base 3.1.1 and a linear guide rail pair 3.1.2, wherein the linear guide rail pair 3.1.2 comprises a linear guide rail and a sliding seat, and the sliding seat slides along the linear guide rail; the linear guide rail pair 3.1.2 is arranged at the upper part of the sliding base 3.1.1; the two sliding seat assemblies 3.1 are respectively and fixedly arranged at the front side and the rear side of the rectangular frame 1; see fig. 7, 8 of the specification: the guide roller combination 3.2 comprises a guide roller 3.2.1, a tension detection sensor 3.2.2, a bearing seat 3.2.3, a front sliding support 3.2.5 and a rear sliding support 3.2.6; the front sliding support 3.2.5 and the rear sliding support 3.2.6 have basically the same structure, and are different in that a motor shaft through hole is arranged on the outer end plate of the front sliding support 3.2.5, and the front sliding support 3.2.5 and the rear sliding support 3.2.6 are respectively and fixedly arranged on the upper parts of the sliding seats of the linear guide rail pairs 3.1.2 of the two sets of sliding seat assemblies 3.1; the tension detection sensor 3.2.2 and the bearing seat 3.2.3 are fixedly arranged on the inner side surface of the front sliding support 3.2.5 or the rear sliding support 3.2.6 in the left-right direction in a superposition manner; the two ends of the guide roller 3.2.1 are rotatably connected with the bearing seat 3.2.3 through bearings, wherein the outer end part of the front sliding support 3.2.5 is fixedly provided with a guide roller motor 3.2.4, and a driving shaft of the guide roller motor 3.2.4 is fixedly connected with the guide roller 3.2.1 through a coupler; the front sliding support 3.2.5 and the rear sliding support 3.2.6 are fixedly connected with the two ends of the tension transmission beam 2.4;
see fig. 9 of the specification: the tension detection sensor 3.2.2 comprises a sensor bottom plate 3.2.2.1, a sensor spring bridge plate 3.2.2.2 is arranged on the sensor bottom plate 3.2.2.1, and a resistance strain gauge is stuck on one surface of the sensor spring bridge plate 3.2.2.2 relative to the sensor bottom plate 3.2.2.1; the sensor spring bridge plate 3.2.2.2 is provided with a bearing seat mounting plate 3.2.2.3, and the bearing seat 3.2.3 is fixedly arranged on the bearing seat mounting plate 3.2.2.3; the tension of the metal foil received on the guide roller 3.2.1 is transmitted to the bearing seat 3.2.3, and then transmitted to the sensor spring bridge plate 3.2.2.2 through the bearing seat mounting plate 3.2.2.3, so that the sensor spring bridge plate 3.2.2.2 is deformed, the deformation of the sensor spring bridge plate 3.2.2.2 enables a resistance strain gauge fixedly connected with the sensor spring bridge plate to generate a strain signal, and the signal of the tension of the metal foil can be obtained through calculation and processing of the strain signal.
Before the tension control structure of the vertical metal foil cleaner works, firstly, the threading operation of the metal foil 4 in the vertical cleaner is completed; then, a servo hydraulic system or a servo pneumatic system supplies pressure oil or compressed air to the tension cylinder 2.3, the pressure oil or the compressed air enters into cavities at two sides of a piston of the tension cylinder 2.3, and area difference is generated at two sides of the piston of the tension cylinder 2.3 due to the existence of a piston rod, so that the pressure oil or the compressed air generates pressure difference at two sides of the piston, the piston is pushed by the pressure difference to move, and the guide roller 3.2.1 is driven by the piston rod to generate tension on the metal foil 4, the tension is only related to the pressure of the pressure oil or the compressed air, and under normal conditions, the tension of the metal foil 4 is kept stable when the pressure of the pressure oil or the compressed air is stable; in the high-speed cleaning process of the metal foil 4, the tension of the metal foil 4 can fluctuate (for example, the speed of the metal foil 4 fluctuates) due to various reasons, when the tension of the metal foil 4 fluctuates, the tension applied to the guide roller 3.2.1 also fluctuates, and the fluctuating tension can be transmitted to the piston of the tension cylinder 2.3 through the tension transmission beam 2.4, so that the piston can retract or advance, and the tension of the metal foil 4 can be kept stable; however, in the process, because the tension transmission beam 2.4 and the sliding guide roller combination 3 have system inertia, the actual response speed is slow, and the tension fluctuation of the metal foil 4 is difficult to keep at a good level; in the control strategy of the tension control structure of the metal foil vertical cleaning machine, the method actually adopted is as follows: when the tension of the metal foil 4 fluctuates, the tension signal output by the tension detection sensor 3.2.2 changes, and according to the tension signal change output by the tension detection sensor 3.2.2, a servo control valve in a servo hydraulic system or a servo pneumatic system is controlled to correspondingly change the pressure of hydraulic oil or compressed air input into the tension cylinder 2.3, so that the pressure difference at two sides of a piston of the tension cylinder 2.3 changes, and the fluctuation of the tension of the metal foil 4 is counteracted by the change of the pressure difference at two sides of the piston of the tension cylinder 2.3, so that the stability of the tension of the metal foil 4 is maintained; according to the control method, when tension control of the metal foil 4 is carried out, the sliding guide roller combination 3 and the tension transmission beam 2.4 do not need to be displaced, so that the problem of low response speed caused by large system inertia is solved, meanwhile, the characteristics of high response speed and high control precision of a servo hydraulic system or a servo pneumatic system are utilized, the tension control response speed and precision of the metal foil vertical cleaning machine are fully ensured, and the requirement on tension control of the metal foil 4 during high-speed cleaning of the metal foil vertical cleaning machine is met.
Example 2:
see fig. 10, 11, 13 of the specification: the sliding seat assembly 3.1 comprises a sliding base 3.1.1 and a guide sleeve guide post pair 3.1.3, wherein the guide sleeve guide post pair is arranged at the upper part of the sliding base 3.1.1; the front sliding support 3.2.5 and the rear sliding support 3.2.6 are respectively and fixedly arranged at the upper parts of the guide sleeve guide pillar pairs of the two sets of sliding seat assemblies 3.1; in addition, in this embodiment, a through hole is provided in the piston of the tension cylinder 2.3, so that the cavities on both sides of the piston communicate with each other.
Example 3:
see fig. 14 of the specification: the linear guide rail pair 3.1.2 is provided with two groups, which are arranged on the upper part of the sliding base 3.1.1 in parallel.
The utility model is not described in detail in the prior art.
Claims (7)
1. A tension control structure of a vertical metal foil cleaning machine comprises a rectangular frame (1); the rectangular frame (1) is horizontally provided with a tension generating device (2) and a sliding guide roller combination (3), the tension generating device (2) is fixedly connected with the sliding guide roller combination (3), and the tension generating device (2) provides tension for the sliding guide roller combination (3); the method is characterized in that: a tension cylinder (2.3) is arranged in the tension generating device (2), and a tension detection sensor (3.2.2) is arranged in the sliding guide roller combination (3); the tension cylinder (2.3) is connected with a servo hydraulic system or a servo pneumatic system through a pipeline, and the servo hydraulic system or the servo pneumatic system provides pressure for the tension cylinder (2.3) to enable the tension cylinder (2.3) to generate tension.
2. The tension control structure of the metal foil vertical cleaner according to claim 1, characterized in that: the tension generating device (2) comprises a tension generating device bracket (2.1), a Zhang Ligang bracket (2.2), a tension cylinder (2.3) and a tension transmission beam (2.4); the tension generating device bracket (2.1) is fixedly arranged at the left side or the right side of the rectangular frame (1); the tension cylinder bracket (2.2) is fixedly arranged at the upper part of the tension generating device bracket (2.1); the tension cylinder (2.3) is fixedly arranged at the outer side of the tension cylinder bracket (2.2); the tension transmission beam (2.4) is arranged at the inner side of the tension cylinder bracket (2.2) and is hinged with a piston shaft of the tension cylinder (2.3) through a pin shaft.
3. The tension control structure of the metal foil vertical cleaner according to claim 2, characterized in that: the sliding guide roller assembly (3) comprises a sliding seat assembly (3.1) and a guide roller assembly (3.2), and the guide roller assembly (3.2) is rotatably arranged between the two sliding seat assemblies (3.1) through a bearing; the two sliding seat components (3.1) are respectively and fixedly arranged at the front side and the rear side of the rectangular frame (1).
4. A tension control structure of a metal foil vertical cleaner according to claim 3, characterized in that: the sliding seat assembly (3.1) comprises a sliding base (3.1.1) and a linear guide rail pair (3.1.2), and the linear guide rail pair (3.1.2) is arranged at the upper part of the sliding base (3.1.1); the sliding seat components (3.1) are provided with two sets which are symmetrically and fixedly arranged on the front side and the rear side of the rectangular frame (1).
5. The tension control structure of the vertical metal foil cleaning machine according to claim 4, which is characterized in that: the guide roller combination (3.2) comprises a guide roller (3.2.1), a tension detection sensor (3.2.2), a bearing seat (3.2.3), a front sliding support (3.2.5) and a rear sliding support (3.2.6); the front sliding support (3.2.5) and the rear sliding support (3.2.6) are respectively and fixedly arranged at the upper parts of the linear guide rail pairs (3.1.2) of the two sets of sliding seat assemblies (3.1); the tension detection sensor (3.2.2) and the bearing seat (3.2.3) are fixedly arranged on the inner side surface of the front sliding bracket (3.2.5) or the rear sliding bracket (3.2.6) in the left-right direction in a superposed manner; two ends of the guide roller (3.2.1) are rotationally connected with the bearing seat (3.2.3) through bearings; the front sliding support (3.2.5) and the rear sliding support (3.2.6) are fixedly connected with the two ends of the tension transmission beam (2.4).
6. The tension control structure of the vertical metal foil cleaning machine according to claim 5, which is characterized in that: one end of the guide roller (3.2.1) is connected with a guide roller motor (3.2.4).
7. The tension control structure of the vertical metal foil cleaning machine according to claim 6, characterized in that: the sliding seat assembly (3.1) comprises a sliding base (3.1.1) and a guide sleeve guide pillar pair (3.1.3), and the guide sleeve guide pillar pair (3.1.3) is arranged on the upper part of the sliding base (3.1.1); the front sliding support (3.2.5) and the rear sliding support (3.2.6) are respectively and fixedly arranged on the upper parts of guide sleeve guide pillar pairs (3.1.3) of the two sets of sliding seat assemblies (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320739935.6U CN219602832U (en) | 2023-04-06 | 2023-04-06 | Tension control structure of vertical metal foil cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320739935.6U CN219602832U (en) | 2023-04-06 | 2023-04-06 | Tension control structure of vertical metal foil cleaning machine |
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| Publication Number | Publication Date |
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| CN219602832U true CN219602832U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320739935.6U Active CN219602832U (en) | 2023-04-06 | 2023-04-06 | Tension control structure of vertical metal foil cleaning machine |
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| CN (1) | CN219602832U (en) |
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- 2023-04-06 CN CN202320739935.6U patent/CN219602832U/en active Active
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