CN210305047U - Hot-rolled strip steel flatness detection device - Google Patents
Hot-rolled strip steel flatness detection device Download PDFInfo
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- CN210305047U CN210305047U CN201921166131.1U CN201921166131U CN210305047U CN 210305047 U CN210305047 U CN 210305047U CN 201921166131 U CN201921166131 U CN 201921166131U CN 210305047 U CN210305047 U CN 210305047U
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- detection platform
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- trolley
- rolled strip
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Abstract
The utility model provides a hot rolling belted steel straightness detection device that hot rolling belted steel is crooked in can preventing the testing process relates to belted steel straightness check out test set. The hot-rolled strip steel flatness detection device comprises a trolley, and a laser plate shape detector, a first driving motor, a detection platform, a driving guide roller set and a driven guide roller which are arranged on the trolley, wherein the detection platform is arranged between the driving guide roller set and the driven guide roller set. The utility model discloses a detection device can improve the detection accuracy to belted steel.
Description
Technical Field
The utility model relates to a belted steel straightness check out test set specifically is a hot rolling belted steel straightness detection device.
Background
The flatness of the steel plate refers to the relative extension difference between the fiber length of the middle part of the steel plate and the fiber length of the edge part of the steel plate. With the progress of the automobile industry, the automation degree of an automobile assembly line is rapidly improved, and automobile manufacturers have made higher requirements on the shape quality, particularly the surface flatness, of cold-rolled steel sheets. The shape of the cold-rolled strip steel is often determined by the shape quality of the hot-rolled strip steel, so the problem of online detection of the shape of the hot-rolled strip steel is increasingly emphasized by strip steel manufacturers.
The flatness of the surface of the hot rolled strip steel is mainly detected by a laser plate shape detector, and the detector comprises a laser, an image processor and the like. The working principle is that a laser is used for generating laser to irradiate the surface of the strip steel to be measured at a certain angle, an image processor is used for shooting diffuse reflection light spot images of the surface of the irradiated strip steel and comparing the images, when the flatness of the strip steel to be measured changes, the light spots can generate displacement due to poor strip steel plate shape, the light spot images can correspondingly change, the displacement represented by the change of the light spot positions is detected, and the strip steel flatness parameters can be measured. Because the hot-rolled strip steel belongs to a thin plate, the strip steel is easy to bend in the production process, and the diffuse reflection light spots of the strip steel can be displaced in the detection process, so that the flatness detection accuracy of the strip steel is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hot rolling belted steel straightness detection device that hot rolling belted steel is crooked in can preventing the testing process is provided.
The utility model provides a technical scheme that its technical problem adopted is: the hot-rolled strip steel flatness detection device comprises a trolley, and a laser plate shape detector, a first driving motor, a detection platform, a driving guide roller set and a driven guide roller set which are arranged on the trolley;
the laser plate shape detector comprises a laser and an image processor; the laser is arranged above the detection platform, so that the laser can irradiate the detection platform at a certain angle; the image processor is arranged above the detection platform and used for shooting diffuse reflection light irradiated on the detection platform by the laser;
the detection platform is arranged between the driving guide roller set and the driven guide roller set, the driving guide roller set comprises a first upper guide roller and a first lower guide roller, and the driven guide roller set comprises a second upper guide roller and a second lower guide roller; a front guide channel parallel to the detection platform is formed between the first upper guide roller and the first lower guide roller, and a rear guide channel parallel to the detection platform is formed between the second upper guide roller and the second lower guide roller; the first lower guide roller is in transmission connection with the first driving motor.
Furthermore, the vertex line of the first lower guide roller and the vertex line of the second lower guide roller are in the same plane with the upper surface of the detection platform.
Furthermore, the first upper guide roller is movably arranged on the trolley up and down, and the trolley is provided with a first adjusting screw rod to adjust the opening degree of the front guide channel.
Furthermore, the second upper guide roller is movably arranged on the trolley up and down, and a second adjusting screw rod is arranged on the trolley to adjust the opening degree of the rear guide channel.
Furthermore, a support is arranged on the detection platform, and the laser and the image processor can be longitudinally movably arranged on the support.
The laser device further comprises a second driving motor, a lead screw is longitudinally arranged on the support, a sliding table is arranged on the lead screw, and the laser device and the image processor are installed on the sliding table; and the second driving motor is in transmission connection with the screw rod.
Furthermore, telescopic supporting legs are arranged below the detection platform.
The utility model has the advantages that: this hot rolling belted steel straightness detection device of new and practical detects time measuring, and belted steel penetrates from back direction passageway, wears out from preceding direction passageway, and testing platform plays the supporting role to the belted steel between initiative direction roller set and the driven direction roller set, and the belted steel tensioning that the direction roller set will detect around relying on to prevent that the belted steel is crooked in the on-line measuring process, consequently the utility model discloses a detection device can improve the detection accuracy to the belted steel straightness.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic left side view of the structure of FIG. 1;
FIG. 3 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 1
Shown in the figure: the detection device comprises a trolley 1, a detection platform 2, a driving guide roller group 3, a driven guide roller group 4, a first driving motor 5, a first adjusting screw rod 6, a second adjusting screw rod 7, a strip steel 8, a laser 21, an image processor 22, a support 23, a second driving motor 24, a support leg 25, a first upper guide roller 31, a first lower guide roller 32, a front guide channel 33, a front vertical frame 34, a front vertical frame 35, a bearing seat 41, a second upper guide roller 42, a second lower guide roller 43, a rear guide channel 44, a rear vertical frame 231, a screw rod 232, a sliding table 321, a first lower top point line 421 and a second lower guide roller top point line.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 4, the device for detecting the straightness of the hot-rolled strip steel of the present invention comprises a trolley 1, and a laser strip shape detector, a first driving motor 5, a detection platform 2, a driving guide roller set 3 and a driven guide roller set 4 mounted on the trolley 1; the laser plate shape detector comprises a laser 21 and an image processor 22; the laser 21 is arranged above the detection platform 2, so that the laser 21 can irradiate the detection platform 2 at a certain angle; the image processor 22 is disposed above the detection platform 2 and is used for capturing diffuse reflection light irradiated on the detection platform 2 by the laser 21. The testing platform 2 is arranged between the driving guide roller group 3 and the driven guide roller group 4, the driving guide roller group 3 comprises a first upper guide roller 31 and a first lower guide roller 32, and the driven guide roller group 4 comprises a second upper guide roller 41 and a second lower guide roller 42. The first upper guide roller 31 and the first lower guide roller 32 are respectively and rotatably matched with the front vertical frame 34 on the trolley 1, and the second upper guide roller 41 and the second lower guide roller 42 are respectively and rotatably matched with the rear vertical frame 44 on the trolley 1. A front guide channel 33 parallel to the detection platform 2 is formed between the first upper guide roller 31 and the first lower guide roller 32, and a rear guide channel 43 parallel to the detection platform 2 is formed between the second upper guide roller 41 and the second lower guide roller 42; the first lower guide roller 32 is in transmission connection with the first driving motor 5.
Wherein, the detection platform 2 is used for supporting the strip steel between the driving guide roller group 3 and the driven guide roller group 4. The upper surface of the detection platform 2 may be slightly higher or lower than the vertex line of the first lower guide roller 321 and the vertex line of the second lower guide roller 421, and preferably, the upper surface of the detection platform 2 is flush with the vertex line of the first lower guide roller 321 and the vertex line of the second lower guide roller 421, that is, the three are in the same plane, so that the tensioning effect is the best when the strip steel is detected, and the strip threading is also convenient. The distance between the first upper guide roller 31 and the first lower guide roller 32 and the distance between the second upper guide roller 41 and the second lower guide roller 42, i.e., the opening degrees of the front guide channel 33 and the rear guide channel 43 are set according to the thickness of the strip steel, and the opening degrees need not be larger than the thickness of the strip steel.
When belted steel on-line measuring, belted steel 8 penetrates from back direction passageway 43, wear out from preceding direction passageway 33, testing platform 2 plays supporting role to belted steel between initiative direction roller set 3 and the driven direction roller set 4, first deflector roll 32 of driving motor 5 drive rotates, pulling belted steel 8 forward motion when initiative direction roller set 3 rotates, and provide the pulling force to 8, pulling driven direction roller set 4 rotates when belted steel 8 forward motion, driven direction roller 4 provides backward resistance to belted steel 8 promptly, thereby rely on the belted steel 8 tensioning that front and back direction roller set will detect, flare-out, thereby prevent that belted steel 8 is crooked among the on-line measuring process, consequently the utility model discloses a detection device can improve the detection accuracy to the belted steel straightness.
As shown in fig. 4, the first upper guide roller 31 is vertically slidably engaged with the front pillar 34 of the trolley 1 through a bearing seat 35, so as to be vertically movably disposed on the trolley 1, and the front pillar 34 of the trolley 1 is provided with a first adjusting screw 6 for adjusting the opening degree of the front guide channel 33. Therefore, the clamping force between the rollers of the active guide roller group 3 can be adjusted through the first adjusting screw 6 so as to better clamp the strip steel 8, thereby increasing the friction (pulling force) to the strip steel 8 and being beneficial to tensioning the strip steel 8. Similarly, the second upper guide roller 41 is also movably disposed on the trolley 1 up and down in the above manner, and the trolley 1 is provided with the second adjusting screw 7 to adjust the opening of the rear guide channel 43. The opening degree of the front guide channel and the rear guide channel can be adjusted, the device can be used for detecting steel plates with different thicknesses, and meanwhile, the clamping force between the rollers of the driving guide roller set and the driven guide roller set can be adjusted, so that the tension can be properly adjusted, strip steel can be tensioned better, and the strip steel is prevented from being bent.
As shown in FIG. 4, the detection platform 2 is provided with a bracket 23, and the laser 21 and the image processor 22 can be longitudinally movably arranged on the bracket 23, so that the longitudinal position adjustment of the laser 21 and the image processor 22 is realized, and the device can detect the straightness of different positions in the width direction of the strip steel 8. The longitudinal direction refers to a direction parallel to the detection platform 2 and perpendicular to the moving direction of the strip steel 8. The support 23 can also be mounted directly on the trolley 1.
Specifically, the device is provided with a second driving motor 24, a longitudinally arranged screw rod 231 is arranged on the support 23, the screw rod 231 is in running fit with the support 23, a sliding table 232 is arranged on the screw rod 231, the laser 21 and the image processor 22 are arranged on the sliding table 232, and the second driving motor 24 is in transmission connection with the screw rod 231. In this way, the second driving motor 24 drives the sliding table 232 to move longitudinally through the screw rod 231, so that the longitudinal position adjustment of the laser 21 and the image processor 22 is realized. Thus, compared with the mode of pushing the slide block by using a hydraulic cylinder, the mode has more accurate position control of the laser 21 and the image processor 22 and simpler structure.
As shown in fig. 2, a telescopic leg 25 is provided below the detection platform 2. This allows the height of the testing platform 2 to be adjusted when the surface of the testing platform 5 or guide roller set is worn. The support legs 25 may be hydraulic jacks or telescopic adjusting rods, and the like, and preferably the hydraulic jacks are used.
Claims (7)
1. The hot-rolled strip steel flatness detection device is characterized in that: the device comprises a trolley (1), and a laser plate shape detector, a first driving motor (5), a detection platform (2), a driving guide roller set (3) and a driven guide roller set (4) which are arranged on the trolley (1);
the laser plate shape detector comprises a laser (21) and an image processor (22); the laser (21) is arranged above the detection platform (2), so that the laser (21) can irradiate the detection platform (2) at a certain angle; the image processor (22) is arranged above the detection platform (2) and is used for shooting diffuse reflection light irradiated on the detection platform (2) by the laser (21);
the detection platform (2) is arranged between a driving guide roller set (3) and a driven guide roller set (4), the driving guide roller set (3) comprises a first upper guide roller (31) and a first lower guide roller (32), and the driven guide roller set (4) comprises a second upper guide roller (41) and a second lower guide roller (42); a front guide channel (33) parallel to the detection platform (2) is formed between the first upper guide roller (31) and the first lower guide roller (32), and a rear guide channel (43) parallel to the detection platform (2) is formed between the second upper guide roller (41) and the second lower guide roller (42); the first lower guide roller (32) is in transmission connection with the first driving motor (5).
2. The hot rolled strip flatness detecting apparatus of claim 1, further comprising: the vertex line of the first lower guide roller (32) and the vertex line of the second lower guide roller (42) are in the same plane with the upper surface of the detection platform (2).
3. The hot rolled strip flatness detecting apparatus of claim 1, further comprising: the first upper guide roller (31) is movably arranged on the trolley (1) from top to bottom, and a first adjusting screw (6) is arranged on the trolley (1) to adjust the opening degree of the front guide channel (33).
4. The hot rolled strip flatness detecting apparatus as claimed in claim 2 or 3, wherein: the second upper guide roller (41) is movably arranged on the trolley (1) from top to bottom, and a second adjusting screw rod (7) is arranged on the trolley (1) to adjust the opening degree of the rear guide channel (43).
5. The hot rolled strip flatness detecting apparatus of claim 1, further comprising: a support (23) is mounted on the detection platform (2), and the laser (21) and the image processor (22) can be longitudinally movably mounted on the support (23).
6. The hot rolled strip flatness detecting apparatus of claim 5, further comprising: the laser device is characterized by further comprising a second driving motor (24), a lead screw (231) which is longitudinally arranged is arranged on the support (23), a sliding table (232) is arranged on the lead screw (231), and the laser device (21) and the image processor (22) are installed on the sliding table (232); the second driving motor (24) is in transmission connection with the screw rod (231).
7. The hot rolled strip flatness detecting apparatus of claim 1, further comprising: and telescopic supporting legs (25) are arranged below the detection platform (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166131.1U CN210305047U (en) | 2019-07-23 | 2019-07-23 | Hot-rolled strip steel flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166131.1U CN210305047U (en) | 2019-07-23 | 2019-07-23 | Hot-rolled strip steel flatness detection device |
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| Publication Number | Publication Date |
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| CN210305047U true CN210305047U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921166131.1U Active CN210305047U (en) | 2019-07-23 | 2019-07-23 | Hot-rolled strip steel flatness detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122365A (en) * | 2020-08-26 | 2020-12-25 | 北京科技大学 | Foil strip cross section profile measuring method based on weighing |
| CN115740027A (en) * | 2022-11-16 | 2023-03-07 | 济南鑫祥鑫不锈钢工程有限公司 | Automatic control equipment for hot-rolled strip steel plate shape |
-
2019
- 2019-07-23 CN CN201921166131.1U patent/CN210305047U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122365A (en) * | 2020-08-26 | 2020-12-25 | 北京科技大学 | Foil strip cross section profile measuring method based on weighing |
| CN112122365B (en) * | 2020-08-26 | 2021-08-03 | 北京科技大学 | Foil strip cross section profile measuring method based on weighing |
| CN115740027A (en) * | 2022-11-16 | 2023-03-07 | 济南鑫祥鑫不锈钢工程有限公司 | Automatic control equipment for hot-rolled strip steel plate shape |
| CN115740027B (en) * | 2022-11-16 | 2023-11-10 | 江西恒悦金属材料有限公司 | Automatic control equipment for hot rolled strip steel plate shape |
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