CN211637108U - Strip steel coating machine - Google Patents
Strip steel coating machine Download PDFInfo
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- CN211637108U CN211637108U CN201922253274.2U CN201922253274U CN211637108U CN 211637108 U CN211637108 U CN 211637108U CN 201922253274 U CN201922253274 U CN 201922253274U CN 211637108 U CN211637108 U CN 211637108U
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Abstract
The utility model relates to a strip steel coating machine, which comprises a coating roller, a coating roller seat, a supporting roller and a roller seat driving mechanism, wherein the roller seat driving mechanism is connected with the coating roller seat through a flexible adjusting mechanism, and the flexible adjusting mechanism comprises at least one group of elastic connecting components; the elastic connecting assembly comprises a spring guide rod and a first spring, the spring guide rod is fixedly connected with the output end of the roller seat driving mechanism, the axial direction of the spring guide rod is parallel to the linear driving direction of the roller seat driving mechanism, the spring guide rod penetrates through the roller seat of the coating roller, and the first spring is sleeved on the spring guide rod and is abutted against the roller seat of the coating roller. The utility model discloses a set up flexible adjustment mechanism, pressure is controlled more easily between the roller, the accuracy is higher, can show ground and reduce pressure fluctuation between the roller, makes belted steel surface coating thickness even stable, avoids appearing the phenomenon of neglected coating. The change of the diameter of the roller, the change of the thickness of the strip steel and the clearance of the transmission pair can be compensated by the flexible adjusting mechanism, and the processing precision of the equipment can be reduced.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, concretely relates to strip steel coating machine.
Background
With the development of economy, the application of the coated plate is wider and wider, and the quality requirement of the coated product is higher and higher. The coating machine is used for coating the surface of the strip steel, and a plurality of factors influence the quality and the appearance of products, wherein an important factor is the pressure between rollers. Because the key of accurate coating is to maintain constant pressure between rollers of the coating machine, high requirements are placed on equipment processing precision and stepping lifting driving adjustment. Because the coating thickness is extremely thin and reaches the micron level, the motion adjustment precision of the stepping lifting drive is often also the micron level. The traditional drive adjustment belongs to rigid adjustment, the pressure between the rollers is very difficult to control by the rigid adjustment mode, the pressure between the rollers can be greatly changed by the small adjustment of the stepping lifting drive, and the roller surface can be damaged when the adjustment is improper. In addition, the pressure fluctuation between the rollers is large due to the reasons of low machining precision of the rollers and the like; the change of the diameter of the roller, the change of the thickness of the strip steel and the clearance of the transmission pair cause the repeatability precision of the position of the adjusting device to be low and the occurrence of missing coating is easy. These have a very adverse effect on the high-precision control of the coating apparatus and the quality of the strip coating.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a belted steel coating machine can solve prior art's partial defect at least.
The utility model relates to a strip steel coating machine, which comprises a coating roller, a coating roller seat, a supporting roller and a roller seat driving mechanism for driving the coating roller seat to be close to or far away from the supporting roller, wherein the roller seat driving mechanism is connected with the coating roller seat through a flexible adjusting mechanism, and the flexible adjusting mechanism comprises at least one group of elastic connecting components; the elastic connecting assembly comprises a spring guide rod and a first spring, the spring guide rod is fixedly connected with the output end of the roller seat driving mechanism, the axial direction of the spring guide rod is parallel to the linear driving direction of the roller seat driving mechanism, the spring guide rod penetrates through a guide hole of the coating roller seat, and the first spring is sleeved on the spring guide rod and is abutted to the coating roller seat.
As one embodiment, the elastic connection assembly further comprises a second spring, a limiting ring is arranged at the other end of the spring guide rod, the second spring is sleeved on the spring guide rod and is respectively arranged on two sides of the guide hole together with the first spring, and two ends of the second spring are respectively abutted to the coating roller seat and the limiting ring.
As an embodiment, the limiting ring can axially slide along the spring guide rod, an adjusting nut is further screwed on the spring guide rod, and the limiting ring is clamped between the second spring and the adjusting nut.
In one embodiment, the second spring is a disc spring.
In one embodiment, the first spring is a disc spring.
As one embodiment, the strip steel coating machine also comprises a pressure detection unit for detecting the pressure between the coating roller and the supporting roller.
In one embodiment, the pressure detection unit includes a flange-type pressure sensor, the flexible adjustment mechanism includes a connection pad connected to a flange of the flange-type pressure sensor, and each of the spring guide rods is fixedly connected to the connection pad.
In one embodiment, the roller base driving mechanism includes a screw rod lifter and a driving motor connected to the screw rod lifter.
The utility model discloses following beneficial effect has at least:
the utility model provides a belted steel coating machine, roller seat actuating mechanism pass through flexible adjustment mechanism and are connected with coating roller seat, and the pressure is controlled more easily between the roller between coating roller and the backing roll, and pressure accuracy is higher between the roller to can show ground and reduce the pressure fluctuation between the roller between coating roller and the backing roll, thereby make belted steel surface coating thickness evenly stable, avoid appearing the phenomenon of neglected coating. The change of the diameter of the roller, the change of the thickness of the strip steel and the clearance of the transmission pair can be compensated by the flexible adjusting mechanism, so that the position repeatability and the stability of the coating roller are greatly improved, the processing precision of equipment can be reduced, and the production and maintenance cost of the equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a strip steel coating machine provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible adjustment mechanism according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As fig. 1 and fig. 2, the embodiment of the utility model provides a strip steel coating machine, include coating roller 1, coating roller seat 3, backing roll 2 and be used for ordering about coating roller seat 3 is close to or keeps away from the roller seat actuating mechanism 6 of backing roll 2, coating roller 1 installs on this coating roller seat 3 promptly, can hold belted steel 5 between coating roller 1 and the backing roll 2 and pass through to in 5 surfaces of belted steel coat, coating roller 1, coating roller seat 3 and backing roll 2 are the conventional equipment in this field, and concrete mounting structure here is not repeated.
Generally, the roller base driving mechanism 6 is a linear driving device, for example, a hydraulic cylinder, an air cylinder, etc. may be adopted, in this embodiment, the roller base driving mechanism 6 includes a screw rod lifter and a driving motor connected with the screw rod lifter, and the screw rod lifter is adopted for transmission, so that the driving action is reliable, the output of the acting force is easy to control accurately, and the control of the pressure between the coating roller 1 and the supporting roller 2 is facilitated. Further, as shown in fig. 1, a guide rail 4 can be arranged on a workshop structure platform, and the coating roller seat 3 is slidably arranged on the guide rail 4, so that the stability of the translational motion of the coating roller seat 3 is ensured.
Further preferably, as shown in fig. 1 and 2, the roller base driving mechanism 6 is connected with the coating roller base 3 through a flexible adjusting mechanism, and the flexible adjusting mechanism comprises at least one group of elastic connecting components; the elastic connecting assembly comprises a spring guide rod 73 and a first spring 71, the spring guide rod 73 is fixedly connected with the output end of the roller seat driving mechanism 6, the axial direction of the spring guide rod 73 is parallel to the linear driving direction of the roller seat driving mechanism 6, the spring guide rod 73 penetrates through the coating roller seat 3, and the first spring 71 is sleeved on the spring guide rod 73 and is abutted to the coating roller seat 3.
In a preferred embodiment, the elastic connecting assemblies are provided in a plurality of groups and are sequentially arranged along the axial direction of the coating roller 1, so that the uniformity and the accuracy of the flexible adjustment of the coating roller 1 are ensured.
In one embodiment, as shown in fig. 1, a spring seat 31 is mounted on the coating roller holder 3, the spring guide 73 is inserted into the spring seat 31, and the first spring 71 abuts against the spring seat 31. It will be understood that the spring plate 31/the roller body 3 is movable relative to the spring guide 73, i.e. it can be displaced axially along the spring guide 73, for example, a guide hole adapted to the diameter of the spring guide 73 (e.g. clearance fit) is provided in the spring plate 31/the roller body 3. In an alternative structure, as shown in fig. 1, the spring seat 31 is an L-shaped seat, and includes a horizontal plate 312 and a vertical plate 311, and a plurality of ribs may be further added to improve the structural strength of the spring seat 31, the spring guide rod 73 is disposed on the vertical plate 311, and the first spring 71 abuts against the plate surface of the vertical plate 311.
According to the strip steel coating machine provided by the embodiment, the roller seat driving mechanism 6 is connected with the coating roller seat 3 through the flexible adjusting mechanism, the pressure between the coating roller 1 and the supporting roller 2 is easier to control, the pressure between the rollers is higher in accuracy, and the pressure fluctuation between the coating roller 1 and the supporting roller 2 can be remarkably reduced, so that the thickness of the surface coating of strip steel 5 is uniform and stable, and the phenomenon of coating leakage is avoided. The change of the diameter of the roller, the change of the thickness of the strip steel 5 and the clearance of the transmission pair can be compensated by the flexible adjusting mechanism, so that the position repeatability and the stability of the coating roller 1 are greatly improved, the processing precision of equipment can be reduced, and the production and maintenance cost of the equipment can be reduced.
Further optimizing the flexible adjusting mechanism, as shown in fig. 1 and 2, the elastic connecting assembly further includes a second spring 72, a limiting ring 75 is disposed at the other end of the spring guide rod 73, the second spring 72 is sleeved on the spring guide rod 73 and is respectively arranged at two sides of the guide hole with the first spring 71, and two ends of the second spring 72 are respectively abutted to the coating roller seat 3 and the limiting ring 75. The second spring 72 is obviously coaxial with the first spring 71; in the structure in which the guide hole is opened in the vertical plate 311, the first spring 71 and the second spring 72 are respectively arranged on two sides of the vertical plate 311 and are respectively abutted to two plate surfaces of the vertical plate 311, and the second spring 72 is clamped between the limit ring 75 and the vertical plate 311, so that the second spring is positioned on one side of the vertical plate 311 away from the coating roller 1 and is clamped between the vertical plate 311 and the output end of the roller seat driving mechanism 6. Based on the structure, the first spring 71 and the second spring 72 apply opposite elastic forces to the abutted part of the coating roller seat 3 or the spring seat 31, so that the adjustment of the position of the coating roller 1 or the pressure between the rollers is more flexible, the translational motion of the coating roller 1 is more stable, the condition of sudden increase or sudden decrease of the speed is avoided, the pressure between the coating roller 1 and the support roller 2 is easier to control, the pressure precision between the rollers is higher, the pressure fluctuation between the rollers is correspondingly smaller, and the thickness of the surface coating of the strip steel 5 is uniform and stable.
In one embodiment, the stop collar 75 is fixed to the spring guide 73. In another preferred embodiment, as shown in fig. 1 and 2, the limiting ring 75 can slide axially along the spring guide rod 73, an adjusting nut 74 is further screwed on the spring guide rod 73, the limiting ring 75 is clamped between the second spring 72 and the adjusting nut 74, and based on the structure, by screwing the adjusting nut 74, the initial deformation amount of the first spring 71 and the second spring 72 can be adjusted according to actual working conditions, so as to further improve the precision and flexibility of the pressure adjustment between the rollers.
The first spring 71 and the second spring 72 are preferably disc springs. In one embodiment, the first spring 71 has the same spring constant as the second spring 72; in another embodiment, the elastic coefficients of the first spring 71 and the second spring 72 may be different, for example, in practical applications, the elastic force applied by the first spring 71 to the vertical plate 311 is toward the coating roller 1 side, the direction of the elastic force applied by the second spring 72 to the vertical plate 311 is opposite, and if the elastic coefficient of the first spring 71 is larger than that of the second spring 72, the movement of the coating roller 1 is more stable when the roller holder driving mechanism 6 is operated.
The structure of the strip steel coating machine is further optimized, the strip steel coating machine further comprises a pressure detection unit for detecting the pressure between the coating roller 1 and the supporting roller 2, and the pressure between the rollers is detected in real time through the pressure detection unit, so that the accuracy of pressure control between the rollers can be further improved. In one of the embodiments, as shown in fig. 1, the pressure detection unit comprises a flange-type pressure sensor 8, the flexible adjusting mechanism comprises a connecting disc 76 connected with the flange type pressure sensor 8 through a flange, each spring guide rod 73 is fixedly connected with the connecting disc 76, the connecting plate 76 and each elastic connecting component form the flexible adjusting mechanism, and the flange type pressure sensor 8 is connected with the flexible adjusting mechanism, so that the installation and maintenance of the flexible adjusting mechanism are convenient, the surface contact type pressure sensing accuracy is higher, the flexible adjusting mechanism is arranged between the roller seat driving mechanism 6 and the flexible adjusting mechanism, the sensing accuracy of the pressure between the rollers is higher, and the dynamic balance process (such as dynamic balance time) between the first spring 71 and the second spring 72 can be detected and analyzed, so that a guidance basis is provided for the adjustment of the flexible adjusting mechanism.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a strip steel coating machine, includes coating roller, coating roller seat, backing roll and is used for driving coating roller seat is close to or keeps away from the roller seat actuating mechanism of backing roll which characterized in that: the roller seat driving mechanism is connected with the coating roller seat through a flexible adjusting mechanism, and the flexible adjusting mechanism comprises at least one group of elastic connecting components;
the elastic connecting assembly comprises a spring guide rod and a first spring, the spring guide rod is fixedly connected with the output end of the roller seat driving mechanism, the axial direction of the spring guide rod is parallel to the linear driving direction of the roller seat driving mechanism, the spring guide rod penetrates through a guide hole of the coating roller seat, and the first spring is sleeved on the spring guide rod and is abutted to the coating roller seat.
2. The strip coating machine as claimed in claim 1, characterized by: the elastic connecting assembly further comprises a second spring, a limiting ring is arranged at the other end of the spring guide rod, the second spring is sleeved on the spring guide rod and is respectively arranged on two sides of the guide hole together with the first spring, and two ends of the second spring are respectively abutted to the coating roller seat and the limiting ring.
3. The strip coating machine as claimed in claim 2, characterized by: the limiting ring can axially slide along the spring guide rod, the spring guide rod is further in threaded connection with an adjusting nut, and the limiting ring is clamped between the second spring and the adjusting nut.
4. The strip coating machine as claimed in claim 2, characterized by: the second spring is a disc spring.
5. The strip coating machine as claimed in claim 1, characterized by: the first spring is a disc spring.
6. The strip coating machine as claimed in claim 1, characterized by: the coating roller and the supporting roller are arranged in a roll shape, and the coating roller and the supporting roller are arranged in a roll shape.
7. The strip coating machine as claimed in claim 6, characterized by: the pressure detection unit comprises a flange type pressure sensor, the flexible adjusting mechanism comprises a connecting disc connected with a flange of the flange type pressure sensor, and each spring guide rod is fixedly connected with the connecting disc.
8. The strip coating machine as claimed in claim 1, characterized by: the roller seat driving mechanism comprises a screw rod lifter and a driving motor connected with the screw rod lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253274.2U CN211637108U (en) | 2019-12-16 | 2019-12-16 | Strip steel coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253274.2U CN211637108U (en) | 2019-12-16 | 2019-12-16 | Strip steel coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211637108U true CN211637108U (en) | 2020-10-09 |
Family
ID=72696321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922253274.2U Active CN211637108U (en) | 2019-12-16 | 2019-12-16 | Strip steel coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211637108U (en) |
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2019
- 2019-12-16 CN CN201922253274.2U patent/CN211637108U/en active Active
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