Bidirectional rolling continuous rapid heating narrow and thin strip rolling mill
By setting up strip reel and flame heating devices on both sides of the rolling assembly of the strip rolling machine, bidirectional rolling and reasonable pressure settings are achieved, and the problems of few rolling times and high pressure in the prior art are solved. Improves the uniformity and thickness stability of the thin strip, reduces cracks, reduces costs and improves product quality.
Patent Information
- Application Number
- CN202420798100.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-17
AI Technical Summary
In the prior art, the rolling times of strips are small and the rolling pressure is too large, resulting in uneven thickness of the thin strips, high overdifference rate and crack problems, making it difficult to control the thickness of the finished product.
Design a bidirectional rolling continuous and rapid heating narrow strip rolling mill. By setting strip reel and flame heating device on both sides of the rolling assembly, bidirectional rolling is realized, and rolling is reasonably set up through the adjustable rolling assembly structure. Pressure and frequency.
It improves the uniformity of the finished thin strip, reduces the overdifference rate, enhances the thickness stability, reduces rolling cracks, reduces equipment costs and maintenance costs, and improves product quality.
Smart Images
Figure CN222153369U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of strip rolling, and in particular relates to a bidirectional rolling and continuous rapid heating narrow and thin strip rolling mill. Background Art
[0002] In the hot rolling mill, in order to ensure the rolling quality, the deformation of the strip each time cannot be too large, and multiple rollings are required under the allowable rolling pressure to form a finished strip. In the prior art, the strip is rolled in sequence by connecting multiple rolling mills in series. Considering its cost and the subsequent rolling effect, there are problems such as less rolling times and higher rolling pressure, resulting in a large excess thickness rate of the thin strip, the uniformity of the thin strip needs to be improved, and the finished thickness of the thin strip is still difficult to control, and there are still many cracks on the surface of the thin strip. Summary of the invention
[0003] In order to overcome the problems in the background technology, the utility model provides a bidirectional rolling continuous and rapid heating narrow thin strip rolling mill; by arranging strip winding and unwinding coil groups on both sides of the rolling assembly, the strip can be rolled in both directions without disassembling and adjusting the coil installation position. One device can perform bidirectional rolling on the strip for multiple times and use flame heating on both sides of the rolling assembly, which effectively reduces the equipment cost investment, reduces the equipment maintenance cost, is conducive to reasonably setting the rolling pressure and the number of rolling times, improves the uniformity of the finished thin strip, reduces the excess rate, improves the stability of the finished thin strip thickness, and further reduces the rolling cracks of the thin strip; it is conducive to improving product quality.
[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a bidirectional rolling continuous rapid heating narrow thin strip rolling mill mainly includes a workbench 1, a strip winding and unwinding coil group 2, a rolling assembly 3, a wire passing wheel 4, and a flame heating device 5. The strip winding and unwinding coil groups 2 are installed at both ends of the workbench 1, the rolling assembly 3 is installed in the middle of the workbench 1, and the wire passing wheel 4 is installed on the workbench 1 between the strip winding and unwinding coil group 2 and the rolling assembly 3. The flame heating device 5 is installed on the workbench 1, and the two flame heating devices 5 are respectively located on both sides of the rolling assembly 3.
[0005] Furthermore, the rolling assembly 3 includes a support seat 31, a slide seat 32, a screw rod 33, a lower rolling roller 34, an upper rolling roller 35, and a first motor. The two support seats 31 are relatively installed on the workbench 1. A slide groove 36 is provided in the support seat 31. The screw rod 33 is upright installed in the slide groove 36 through a bearing. The slide seat 32 can be slidably installed in the slide groove 36. The slide seat 32 is threadedly connected to the screw rod 33. The lower rolling roller 34 is installed on the support seat 31, and the upper rolling roller 35 is installed on the slide seat 32. The first motor is installed on the workbench 1, and the first motor is transmission-connected to the lower rolling roller 34.
[0006] Furthermore, support rollers 38 supported on the back sides of the upper rolling roller 35 and the lower rolling roller 34 are respectively installed on the slide seat 32 and the support seat 31 .
[0007] Furthermore, the upper rolling roller 35 is connected via a second motor, the second motor is mounted on the slide 32 , a protective cover 37 is provided on the first motor and the second motor, and the protective cover 37 is mounted on the workbench 1 .
[0008] Furthermore, a mounting plate 11 is provided on the top of the support seat 31, a short shaft 12 is installed in the middle of the mounting plate 11, the short shaft 12 is connected to two screw rods 33 through gear transmission, a protective shell is provided on the gear transmission assembly, and a handle 13 for applying force is installed on the top of the short shaft 12.
[0009] Furthermore, the strip unwinding and reeling group 2 includes a winding motor 20 and a wire storage drum 21. The winding motor 20 is installed on the workbench 1, and the wire storage drum 21 is transmission-connected and installed on the winding motor 20. A wire end fixing shaft 22 is provided on the outer end surface of the wire storage drum 21, and a through groove 23 for the strip to pass through is opened on the drum wing plate corresponding to the position of the wire end fixing shaft 22.
[0010] Furthermore, pressure rollers 24 are installed at both ends of the workbench 1 , and the pressure rollers 24 press on the wire storage drum 21 .
[0011] Furthermore, the flame heating device 5 includes a support column 51, a transverse movement assembly 52, a combustible gas distribution box 53, a mixed gas pipe 54, and an ignition device 55. The transverse movement assembly 52 is installed on the workbench 1 through the support column 51, the combustible gas distribution box 53 is installed on the transverse movement assembly 52, the top of the combustible gas distribution box 53 is connected to a mixed gas pipe 54, the mixed gas pipe 54 is connected to the gas supply equipment, the bottom of the combustible gas distribution box 53 is a long strip combustion zone 56 formed by the distribution of gas outlets, and the ignition device 55 is installed at the bottom of the combustible gas distribution box 53.
[0012] Furthermore, the transverse movement assembly 52 includes a crossbeam 14, a guide rod 15, and a slider 16. The crossbeam 14 is installed on the support column 51, the guide rod 15 is installed on the crossbeam 14, and the slider 16 is slidably installed on the guide rod 15. The guide rod 15 and the slider 16 are locked by bolts.
[0013] Furthermore, the wire passing wheel 4 includes a support arm 41, a cross bar 42, and a groove wheel 43. The support arm 41 is installed on the workbench 1, the middle part of the cross bar 42 is installed on the top of the support arm 41, and groove wheels 43 are installed at both ends of the cross bar 42.
[0014] Beneficial effects of the utility model:
[0015] The utility model provides strip reeling and winding groups on both sides of the rolling assembly, so that the strip can be rolled in both directions without disassembling and adjusting the installation position of the coils. One device can roll the strip in both directions for multiple times, and flame heating is used on both sides of the rolling assembly, which effectively reduces the investment in equipment cost, reduces the equipment maintenance cost, is conducive to reasonably setting the rolling pressure and the number of rolling times, improves the uniformity of the finished thin strip, reduces the excess tolerance rate, improves the stability of the thickness of the finished thin strip, and further reduces the rolling cracks of the thin strip; it is conducive to improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a partial sectional schematic diagram of the main view of the utility model.
[0017] Figure 2 It is a three-dimensional schematic diagram of the utility model.
[0018] Figure 3 yes Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.
[0019] Figure 4 yes Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.
[0020] Figure 5 It is a three-dimensional schematic diagram of the flame heating device of the utility model. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.
[0022] The utility model discloses a bidirectional rolling continuous fast heating narrow thin strip rolling mill, the bidirectional rolling continuous fast heating narrow thin strip rolling mill mainly comprises a workbench 1, a strip winding and unwinding coil group 2, a rolling assembly 3, a wire passing wheel 4, and a flame heating device 5. The strip winding and unwinding coil groups 2 are installed at both ends of the workbench 1, the rolling assembly 3 is installed in the middle of the workbench 1, the wire passing wheel 4 is installed on the workbench 1 between the strip winding and unwinding coil group 2 and the rolling assembly 3, the flame heating device 5 is installed on the workbench 1, and the two flame heating devices 5 are respectively located at the rolling Both sides of the component 3; by arranging the strip reeling and unreeling coil groups 2 on both sides of the rolling component 3, the strip can be rolled in both directions without disassembling and adjusting the coil installation position. One device can perform bidirectional rolling on the strip for multiple times, and flame heating is used on both sides of the rolling component, which effectively reduces the equipment cost investment and equipment maintenance cost, is conducive to reasonably setting the rolling pressure and rolling times, improves the uniformity of the finished thin strip, reduces the excess rate, improves the stability of the finished thin strip thickness, and further reduces the rolling cracks of the thin strip; it is conducive to improving product quality.
[0023] The rolling assembly 3 includes a support seat 31, a slide 32, a screw rod 33, a lower rolling roller 34, an upper rolling roller 35, and a first motor. The two support seats 31 are relatively installed on the workbench 1. A slide groove 36 is provided in the support seat 31. The screw rod 33 is upright installed in the slide groove 36 through a bearing. The slide seat 32 can be slidably installed in the slide groove 36. The slide seat 32 is threadedly connected to the screw rod 33. The lower rolling roller 34 is installed on the support seat 31, and the upper rolling roller 35 is installed on the slide seat 32. The first motor is installed on the workbench 1. The first motor is connected to the lower rolling roller 34 in transmission. The slide seat 32 can be driven to slide by adjusting the screw rod 33, and the spacing between the lower rolling roller 34 and the upper rolling roller 35 can be changed, thereby adjusting the rolling pressure.
[0024] Support rollers 38 supported on the back sides of the upper rolling roller 35 and the lower rolling roller 34 are respectively installed on the slide seat 32 and the support seat 31 , and the strength of the lower rolling roller 34 and the upper rolling roller 35 is strengthened by the support rollers 38 .
[0025] The upper rolling roller 35 is connected through a second motor transmission, the second motor is installed on the slide 32, and a protective cover 37 is provided on the first motor and the second motor, and the protective cover 37 is installed on the workbench 1. The lower rolling roller 34 and the upper rolling roller 35 are driven by the first motor and the second motor respectively, which can effectively avoid sliding friction between the lower rolling roller 34 and the strip and ensure product quality.
[0026] A mounting plate 11 is provided on the top of the support seat 31, a short shaft 12 is installed in the middle of the mounting plate 11, the short shaft 12 is connected to two screw rods 33 through gear transmission, a protective shell is provided on the gear transmission assembly, and a handle 13 for applying force separately is installed on the top of the short shaft 12, and the two screw rods 33 can be adjusted synchronously through the handle 13.
[0027] The strip unwinding and rewinding group 2 comprises a winding motor 20 and a wire storage drum 21. The winding motor 20 is installed on the workbench 1, and the wire storage drum 21 is transmission-connected and installed on the winding motor 20. A wire end fixing shaft 22 is provided on the outer end surface of the wire storage drum 21. A through groove 23 for the strip to pass through is provided on the drum wing plate corresponding to the position of the wire end fixing shaft 22. The end of the strip is fixed on the wire end fixing shaft 22, and the strip enters the wire storage drum 21 from the through groove 23 for winding, which can ensure smooth winding and winding of the strip and avoid irregular extrusion and deformation of the strip.
[0028] Pressure rollers 24 are installed at both ends of the workbench 1, and the pressure rollers 24 press on the wire storage roller 21 to prevent the strip from loosening when the equipment is maintained.
[0029] The flame heating device 5 includes a support column 51, a transverse movement component 52, a combustible gas distribution box 53, a mixed gas pipe 54, and an ignition device 55. The transverse movement component 52 is installed on the workbench 1 through the support column 51, and the combustible gas distribution box 53 is installed on the transverse movement component 52. The top of the combustible gas distribution box 53 is connected to a mixed gas pipe 54, and the mixed gas pipe 54 is connected to the gas supply equipment. The bottom of the combustible gas distribution box 53 is a long strip combustion zone 56 formed by the distribution of air outlet holes, and the ignition device 55 is installed at the bottom of the combustible gas distribution box 53; the strip is heated along the strip direction through the linear flame combustion zone to ensure the heating effect. Due to the simple structure of the device, it can be installed nearby on both sides of the rolling component 3 to reduce heat loss.
[0030] The transverse movement assembly 52 includes a crossbeam 14, a guide rod 15, and a slider 16. The crossbeam 14 is installed on the support column 51, the guide rod 15 is installed on the crossbeam 14, and the slider 16 is slidably installed on the guide rod 15. The guide rod 15 and the slider 16 are locked by bolts. The transverse movement assembly 52 can slide the combustible gas distribution box 53 to change its heating position as needed.
[0031] The wire passing wheel 4 includes a support arm 41, a cross bar 42, and a groove wheel 43. The support arm 41 is installed on the workbench 1, the middle part of the cross bar 42 is installed on the top of the support arm 41, and groove wheels 43 are installed at both ends of the cross bar 42. By passing the strip around the groove wheel 43, the support and guidance of the strip are increased to avoid the strip being twisted and compressed and scrapped.
[0032] Working process:
[0033] The end of the strip is fixed on the wire end fixed shaft 22, and the strip enters the wire storage drum 21 from the through groove 23 for winding, which can ensure the smooth winding and winding of the strip and avoid irregular extrusion and deformation of the strip. The strip is heated along the direction of the strip through the linear flame burning belt to ensure the heating effect. Due to the simple structure of the device, it can be installed nearby on both sides of the rolling assembly 3 to reduce heat loss; the two screws 33 can be adjusted synchronously through the handle 13, which can drive the slide 32 to slide, and the distance between the lower rolling roller 34 and the upper rolling roller 35 can be changed, thereby adjusting the rolling pressure. By arranging the strip unwinding and reeling groups 2 on both sides of the rolling assembly 3, the strip can be rolled in both directions without disassembling and adjusting the coil installation position. One device can perform bidirectional rolling on the strip for multiple times, and flame heating is used on both sides of the rolling assembly, which effectively reduces the equipment cost investment and equipment maintenance cost, is conducive to reasonably setting the rolling pressure and the number of rolling times, improves the uniformity of the finished thin strip, reduces the excess rate, improves the stability of the finished thin strip thickness, and further reduces the rolling cracks of the thin strip; it is conducive to improving product quality.
[0034] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.
Claims
1. A bidirectional rolling continuous rapid heating narrow thin strip rolling mill, characterized in that: The bidirectional rolling continuous fast heating narrow thin strip rolling mill comprises a workbench (1), a strip winding and unwinding coil group (2), a rolling assembly (3), a wire passing wheel (4), and a flame heating device (5). The strip winding and unwinding coil groups (2) are installed at both ends of the workbench (1), the rolling assembly (3) is installed in the middle of the workbench (1), and the wire passing wheel (4) is installed on the workbench (1) between the strip winding and unwinding coil group (2) and the rolling assembly (3). The flame heating device (5) is installed on the workbench (1), and the two flame heating devices (5) are respectively located on both sides of the rolling assembly (3).
2. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 1, characterized in that: The rolling assembly (3) comprises a support seat (31), a slide seat (32), a screw rod (33), a lower rolling roller (34), an upper rolling roller (35), and a first motor. The two support seats (31) are relatively mounted on the workbench (1). A slide groove (36) is provided in the support seat (31). The screw rod (33) is uprightly mounted in the slide groove (36) through a bearing. The slide seat (32) is slidably mounted in the slide groove (36). The slide seat (32) is threadedly connected to the screw rod (33). The lower rolling roller (34) is mounted on the support seat (31). The upper rolling roller (35) is mounted on the slide seat (32). The first motor is mounted on the workbench (1). The first motor is drivingly connected to the lower rolling roller (34).
3. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 2, characterized in that: Support rollers (38) supported on the back sides of the upper rolling roller (35) and the lower rolling roller (34) are respectively mounted on the slide seat (32) and the support seat (31).
4. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 2 or 3, characterized in that: The upper rolling roller (35) is connected via a second motor, the second motor is mounted on the slide (32), a protective cover (37) is provided on the first motor and the second motor, and the protective cover (37) is mounted on the workbench (1).
5. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 4, characterized in that: A mounting plate (11) is provided on the top of the support seat (31), a short shaft (12) is installed in the middle of the mounting plate (11), the short shaft (12) is connected to two screw rods (33) through gear transmission, a protective shell is provided on the upper cover of the gear transmission assembly, and a handle (13) for applying force is installed on the top of the short shaft (12).
6. A bidirectional rolling continuous rapid heating narrow thin strip mill according to any one of claims 1, 2, 3 and 5, characterized in that: The strip material rewinding and unwinding assembly (2) comprises a rewinding motor (20) and a wire storage drum (21). The rewinding motor (20) is mounted on a workbench (1). The wire storage drum (21) is transmission-connected and mounted on the rewinding motor (20). The outer end surface of the wire storage drum (21) is provided with a wire end fixing shaft (22). A through groove (23) for the strip material to pass through is provided on a drum wing plate corresponding to the position of the wire end fixing shaft (22).
7. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 6, characterized in that: Pressing rollers (24) are installed at both ends of the workbench (1), and the pressing rollers (24) are pressed on the wire storage roller (21).
8. A bidirectional rolling continuous rapid heating narrow thin strip mill according to any one of claims 1, 2, 3, 5 and 7, characterized in that: The flame heating device (5) comprises a support column (51), a transverse movement assembly (52), a combustible gas distribution box (53), a mixed gas pipe (54), and an ignition device (55). The transverse movement assembly (52) is mounted on a workbench (1) via the support column (51). The combustible gas distribution box (53) is mounted on the transverse movement assembly (52). The top of the combustible gas distribution box (53) is connected to a mixed gas pipe (54), which is connected to a gas supply device. The bottom of the combustible gas distribution box (53) is a long strip combustion zone (56) formed by the distribution of gas outlet holes. The ignition device (55) is mounted on the bottom of the combustible gas distribution box (53).
9. A bidirectional rolling continuous rapid heating narrow thin strip mill as claimed in claim 8, characterized in that: The transverse movement assembly (52) comprises a crossbeam (14), a guide rod (15), and a slider (16); the crossbeam (14) is mounted on a support column (51); the guide rod (15) is mounted on the crossbeam (14); the slider (16) is slidably mounted on the guide rod (15); and the guide rod (15) and the slider (16) are locked by bolts.
10. A bidirectional rolling continuous rapid heating narrow thin strip mill according to any one of claims 1, 2, 3, 5, 7 and 9, characterized in that: The wire passing wheel (4) comprises a support arm (41), a cross bar (42), and a groove wheel (43); the support arm (41) is mounted on the workbench (1); the middle portion of the cross bar (42) is mounted on the top of the support arm (41); and groove wheels (43) are mounted on both ends of the cross bar (42).