Leveling machine with multiple roller sets

Abstract

The invention provides a multiple-roller-set leveling machine, and relates to the technical field of plate adjusting equipment, the multiple-roller-set leveling machine comprises an upper pressing assembly and a lower bearing assembly, and a leveling gap is formed between the upper pressing assembly and the lower bearing assembly; the upper pressing assembly comprises an upper working roller set, an upper middle roller set and an upper pressing roller set. The lower bearing assembly comprises a lower working roller set and a lower supporting roller set. The device has the beneficial effects that the upper pressing assembly comprises an upper working roller set, an upper middle roller set and an upper pressing roller set, the upper portion of an upper working roller is rotationally tangent to the upper middle roller, the upper portion of the upper middle roller is rotationally tangent to the upper pressing roller set, the lower bearing assembly comprises a lower working roller set and a lower supporting roller set, and the lower portion of the lower working roller is rotationally tangent to the lower supporting roller; the leveling gap is formed between the upper working roll and the lower working roll, and the sides, far away from the plate, of the upper working roll and the lower working roll are supported, so that the pressure of the upper working roll and the lower working roll can be released, and the service life of the upper working roll and the service life of the lower working roll are guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of sheet metal adjustment equipment, and in particular to a multi-stage roll group leveling machine. Background Art

[0002] Leveling machines are mainly used to correct various specifications of sheet materials and sheet materials cut into pieces. Leveling machines can be applied to the leveling of various cold-rolled and hot-rolled sheet materials. Due to their convenient and simple operation, their application scope covers multiple industries such as machinery, metallurgy, building materials, chemical industry, electronics, electric power, and light industry. Especially in industries such as shipbuilding, rolling stock, boiler bridges, and metal structure factories, they have become essential products in production. The main way for a leveling machine to level a sheet is to push the sheet into the leveling gap of the leveling machine. The upper and lower ends of the leveling gap are both roll groups for leveling. These roll groups squeeze and convey the sheet, and use the "Bauschinger effect" of the material to repeatedly bend the sheet multiple times, gradually reducing the bending deflection, making various original curvatures gradually become a single curvature, and finally leveling it to achieve the flatness accuracy required by the process. When the leveling machine is working, the pressure on the roll groups that squeeze the sheet up and down is extremely high. Therefore, the roll groups are prone to damage after being used many times.

[0003] The technical content disclosed in the Chinese patent document (Application No.: CN201320434009.4, Patent Name: A Steel Plate Leveling Machine) is as follows: The present utility model discloses a steel plate leveling machine, including: a drive device, a base, a frame, a lifting mechanism, an upper pressure roll group, a lower pressure roll group, and a gear group; the lower pressure roll group is fixed on the frame and can rotate around its roll shaft; the lifting mechanism is fixed on the frame, and the upper pressure roll group is fixed on the lifting mechanism and can rotate around its roll shaft; the drive device is fixed on the base and drives the lower pressure roll group to rotate through the gear group. The present utility model is a small steel plate leveling machine. By directly connecting the lower pressure roll group and the drive mechanism through the gear group, its transmission efficiency is improved, and thus the working efficiency of the leveling machine is enhanced; at the same time, the structure of the present utility model is simple, easy to maintain, and has a low manufacturing cost.

[0004] From the above implementation scheme, it can be seen that the leveling machine of this scheme only sets an upper pressure roll group and a lower pressure roll group. When working, the pressure between the upper pressure roll group and the lower pressure roll group is used to level the steel plate. Since the pressure on the upper and lower roll groups is extremely high during operation, after a long working time, the upper and lower roll groups are prone to damage, resulting in insufficient accuracy. Since the upper and lower rolls are subjected to greater forces during operation, the service life of the upper and lower rolls will also be affected. Summary of the Invention

[0005] The present invention overcomes the drawbacks of the prior art, and is provided with an upper pressing assembly and a lower supporting assembly. The upper pressing assembly includes an upper working roll group, an upper intermediate roll group and an upper pressing roll group. The upper part of the upper working roll is rotationally tangent to the upper intermediate roll, and the upper part of the upper intermediate roll is rotationally tangent to the upper pressing roll group. The lower supporting assembly includes a lower working roll group and a lower supporting roll group. The lower part of the lower working roll is rotationally tangent to the lower supporting roll. When the upper working roll and the lower working roll form a leveling gap and the sheet material is leveled through the leveling gap, the upper working roll and the lower working roll extrude the sheet material to make it flat. Since both sides of the upper working roll and the lower working roll away from the sheet material are supported, during the working process, the pressure on the upper working roll and the lower working roll can be released, so as not to cause damage to the upper working roll and the lower working roll, and the service life of the upper working roll and the lower working roll is ensured.

[0006] In order to solve the above technical problems, the present invention is realized through the following technical solutions: A multi-roll group leveling machine includes an upper pressing assembly and a lower supporting assembly. The upper pressing assembly moves up and down relative to the lower supporting assembly, and a leveling gap is formed between the upper pressing assembly and the lower supporting assembly; The upper pressing assembly includes an upper working roll group, an upper intermediate roll group and an upper pressing roll group; The lower supporting assembly includes a lower working roll group and a lower supporting roll group.

[0007] Furthermore, the upper working roll group includes an upper working base, and the upper working base is rotationally connected with at least one upper working roll; The upper intermediate roll group includes an upper intermediate base, the upper intermediate base is rotationally connected with at least one upper intermediate roll, and spiral thread grooves are arranged on the upper intermediate roll; The upper pressing roll group includes an upper roll mounting seat, and the upper roll mounting seat is rotationally connected with at least one upper pressing roll; The upper parts between two upper working rolls are rotationally tangent to the same upper intermediate roll, and the upper parts between two upper intermediate rolls are rotationally tangent to the same upper pressing roll.

[0008] Furthermore, the lower working roll group includes a lower working base, the lower working base is rotationally connected with at least one lower working roll, the lower supporting roll group includes a lower supporting roll mounting seat, the lower supporting roll mounting seat is rotationally connected with at least one lower supporting roll, and the lower parts between two lower working rolls are rotationally tangent to the same lower supporting roll.

[0009] Furthermore, the upper pressing roll group includes an upper pressing base, an upper pressing lifting rod is movably inserted into the upper pressing base, an upper pressing spring is inserted into the upper pressing lifting rod, an upper limit nut is arranged at the upper end of the upper pressing lifting rod, the upper pressing spring is located between the upper limit nut and the upper pressing base, the lower end of the upper pressing lifting rod is connected to an upper adjustment base, the upper roll mounting seat is slidably connected to the upper adjustment base, one end of the upper adjustment base is rotationally connected with an upper adjustment bolt, and the upper adjustment bolt is threadedly connected with the upper roll mounting seat.

[0010] Further, the lower support roller group includes a lower adjustment base, the lower support roller mounting seat is slidably connected to the lower adjustment base, one end of the lower adjustment base is rotatably connected with a lower adjustment bolt, and the lower adjustment bolt is threadedly connected with the lower support roller mounting seat; Flattening support plates are arranged on both sides of the lower working roller group.

[0011] Further, both the upper pressing assembly and the lower bearing assembly are connected to the lifting and pressing assembly. The lifting and pressing assembly includes a lifting base, and an upper pressing connection block is slidably connected to the lifting base; Both sides of the upper pressing assembly are connected to the upper pressing connection block; Both sides of the lower bearing assembly are connected to the lifting base.

[0012] Further, a lifting driving component is arranged at the upper end of the lifting base. The lifting driving component includes a lifting driving motor, the lifting driving motor is connected to a motor connecting shaft, the motor connecting shaft is connected to a lifting linkage rod, both ends of the lifting linkage rod are connected to a lifting screw base, the lifting screw base is threadedly connected with a lifting screw, and the upper pressing connection block is connected to the lower end of the lifting screw; An upper pressing connection block is arranged on one side of the lifting base.

[0013] Further, a spring connecting rod is fixedly connected to the upper end of the lifting screw, a lifting limit nut is connected to the upper end of the spring connecting rod, a pressing balance spring is inserted into the spring connecting rod, and the pressing balance spring is located between the lifting limit nut and the lifting screw base.

[0014] Further, both the upper pressing assembly and the lower bearing assembly are connected to a conveying driving assembly. The conveying driving assembly includes a conveying driving motor, the conveying driving motor is connected to a first driving wheel, the first driving wheel is connected to a driving belt, the driving belt is connected to a second driving wheel, the second driving wheel is coaxially connected with a first driving gear, the first driving gear is meshed and connected with a second driving gear, the second driving gear is coaxially connected with a third driving gear, the third driving gear is meshed and connected with an upper pressing driving gear, and the upper pressing driving gear is meshed and connected with a lower bearing conveying gear; Both the upper pressing driving gear and the lower bearing conveying gear are not less than one; The upper pressing driving gear and the lower bearing conveying gear are arranged in an upper and lower staggered manner.

[0015] Further, the lower bearing conveying gear is connected to an upper transmission roller, and the other end of the upper transmission roller is connected to the upper pressing assembly; The upper pressing driving gear is connected to a lower transmission roller, and the other end of the lower transmission roller is connected to the lower bearing assembly; The upper transmission roller and the lower transmission roller form a transmission roller group, and both ends of the upper transmission roller and the lower transmission roller are connected to a rotary joint.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: an upper pressing component and a lower supporting component are provided. The upper pressing component includes an upper working roll group, an upper intermediate roll group, and an upper pressing roll group. The upper working roll is rotationally tangent to the upper intermediate roll above it, and the upper intermediate roll is rotationally tangent to the upper pressing roll group above it. The lower supporting component includes a lower working roll group and a lower supporting roll group. The lower working roll is rotationally tangent to the lower supporting roll below it. A leveling gap is formed between the upper working roll and the lower working roll. When the sheet is leveled through the leveling gap, the upper working roll and the lower working roll squeeze the sheet to make it flat. Since both sides of the upper working roll and the lower working roll away from the sheet are supported, during the working process, the pressure on the upper working roll and the lower working roll can be released, so that the upper working roll and the lower working roll will not be damaged, ensuring the service life of the upper working roll and the lower working roll. The upper pressing component is connected to the upper pressing connection block, and the lower supporting component is connected to the lifting base. The upper pressing connection block is slidably connected to the lifting base. Therefore, the upper pressing component can move up and down relative to the lower supporting component, and thus the width of the leveling gap can be adjusted according to sheets of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present invention, and are used in conjunction with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings: Figure 1 is a general schematic diagram of the leveling machine; Figure 2 is a schematic diagram of the conveying drive assembly; Figure 3 is a first schematic diagram of the gear distribution of the conveying drive assembly; Figure 4 is a second schematic diagram of the gear distribution of the conveying drive assembly; Figure 5 is a schematic diagram of the lifting and pressurizing component, the upper pressing component, and the lower supporting component; Figure 6 is a first schematic diagram of the lifting and pressurizing component; Figure 7 is a second schematic diagram of the lifting and pressurizing component; Figure 8 is a cross-sectional view of the upper pressing component and the lower supporting component; Figure 9 is a general schematic diagram of the lower supporting component; Figure 10 is a general schematic diagram of the lower supporting roll group; Figure 11 is a schematic diagram of the formation of the leveling gap; Figure 12 is a general schematic diagram of the upper pressing component and the lower supporting component; Figure 13 is a general schematic diagram of the upper pressing component; Figure 14Schematic diagram of the upper pressing component (partial view); Figure 15 Schematic diagram of the upper pressing roller group; Figure 16 Exploded schematic diagram of the upper pressing component.

[0018] In the figure: 1. Conveyor drive component; 101. Conveyor drive motor; 1011. First drive wheel; 102. Drive belt; 103. Second drive wheel; 104. First drive gear; 105. Second drive gear; 106. Third drive gear; 107. Lower bearing conveyor gear; 108. Upper pressing drive gear; 109. Transmission roller group; 1091. Upper transmission roller; 1092. Lower transmission roller; 110. Rotary joint; 2. Lifting and pressing component; 201. Lifting base; 2011. Lifting side plate; 202. Upper pressing connection block; 203. Lifting drive component; 2031. Lifting drive motor; 2032. Motor connection shaft; 2033. Lifting screw base; 2034. Lifting screw; 20341. Spring connecting rod; 20342. Lifting limit nut; 20343. Pressing balance spring; 2035. Lifting linkage rod; 3. Upper pressing component; 301. Upper working roller group; 3011. Upper working base; 3012. Upper working roller; 302. Upper intermediate roller group; 3021. Upper intermediate base; 3022. Upper intermediate roller; 30221. Spiral groove; 303. Upper pressing roller group; 3031. Upper pressing base; 3032. Upper pressing lifting rod; 30321. Upper limit nut; 30322. Upper pressing spring; 3033. Upper adjustment base; 3034. Upper adjustment bolt; 3035. Upper roller mounting seat; 3036. Upper pressing roller; 4. Lower bearing component; 401. Lower working roller group; 4011. Lower working base; 40l2. Lower working roller; 4013. Flattening support plate; 402. Lower support roller group; 4021. Lower adjustment base; 4022. Lower adjustment bolt; 4023. Lower support roller mounting seat; 4024. Lower support roller; 5. Flattening gap. Detailed implementation manners

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustration and explanation of the present invention, and are not intended to limit the present invention. [[ID=IS]]

[0020] As Figures 1 to 16As shown in the figure, a multi-roller group flattening machine includes an upper pressing component 3 and a lower supporting component 4. The upper pressing component 3 moves up and down relative to the lower supporting component 4, and a flattening gap 5 is formed between the upper pressing component 3 and the lower supporting component 4. The upper pressing component 3 includes an upper working roller group 301, an upper intermediate roller group 302, and an upper pressing roller group 303. The lower supporting component 4 includes a lower working roller group 401 and a lower supporting roller group 402. The upper working roller group 301 includes an upper working base 3011, and the upper working base 3011 is rotatably connected to at least one upper working roller 3012. The upper intermediate roller group 302 includes an upper intermediate base 3021, and the upper intermediate base 3021 is rotatably connected to at least one upper intermediate roller 3022. A spiral groove 30221 is provided on the upper intermediate roller 3022. Therefore, when lubricating the equipment, oil can be brought in from the spiral groove 30221. The upper and lower sides of the upper intermediate roller 3022 are respectively in contact with the upper working roller 3012 and the upper pressing roller 3036. Therefore, the upper working roller 3012, the upper intermediate roller 3022, and the upper pressing roller 3036 can all be lubricated. Also, since the upper intermediate roller 3022 is in the middle, the spiral groove 30221 is not easily involved in iron filings, iron powder, etc.

[0021] The upper pressing roller group 303 includes an upper roller mounting seat 3035, and the upper roller mounting seat 3035 is rotatably connected to at least one upper pressing roller 3036. Above the middle of two upper working rollers 3012, they are all rotationally tangent to the same upper intermediate roller 3022. Above the middle of two upper intermediate rollers 3022, they are all rotationally tangent to the same upper pressing roller 3036. The lower working roller group 401 includes a lower working base 4011, and the lower working base 4011 is rotatably connected to at least one lower working roller 4012. The lower supporting roller group 402 includes a lower supporting roller mounting seat 4023, and the lower supporting roller mounting seat 4023 is rotatably connected to at least one lower supporting roller 4024. Below the middle of two lower working rollers 4012, they are all rotationally tangent to the same lower supporting roller 4024. When flattening the sheet from the flattening gap 5, the upper working roller 3012 and the lower working roller 4012 squeeze the sheet to make it flat. Since both sides of the upper working roller 3012 and the lower working roller 4012 away from the sheet are supported, during the working process, the pressure of the upper working roller 3012 and the lower working roller 4012 can be released, so as not to cause damage to the upper working roller 3012 and the lower working roller 4012, ensuring the service life of the upper working roller 3012 and the lower working roller 4012.

[0022] The upper pressing component 3 is connected to the upper pressing connection block 202, and the lower supporting component 4 is connected to the lifting base 201. The upper pressing connection block 202 is slidably connected in the lifting base 201. Therefore, the upper pressing component 3 can move up and down relative to the lower supporting component 4, and thus the width of the flattening gap can be adjusted according to sheets of different thicknesses.

[0023] The upper pressure roller group 303 includes an upper pressure base 3031. An upper pressure lifting rod 3032 is movably inserted into the upper pressure base 3031. An upper pressure spring 30322 is inserted into the upper pressure lifting rod 3032. An upper limit nut 30321 is arranged at the upper end of the upper pressure lifting rod 3032. The upper pressure spring 30322 is located between the upper limit nut 30321 and the upper pressure base 3031. The lower end of the upper pressure lifting rod 3032 is connected to an upper adjustment base 3033. An upper roller mounting seat 3035 is slidably connected to the upper adjustment base 3033. One end of the upper adjustment base 3033 is rotatably connected to an upper adjustment bolt 3034. The upper adjustment bolt 3034 is threadedly connected to the upper roller mounting seat 3035. The upper pressure spring 30322 always provides a downward pressing elastic force, so that the upper pressure roller 3036 can always be in close contact with the upper intermediate roller 3022. The upper adjustment bolt 3034 can be used to adjust the front and rear positions of the upper roller mounting seat 3035, thereby adjusting the position between the upper pressure roller 3036 and the upper intermediate roller 3022.

[0024] The lower support roller group 402 includes a lower adjustment base 4021. A lower support roller mounting seat 4023 is slidably connected to the lower adjustment base 4021. One end of the lower adjustment base 4021 is rotatably connected to a lower adjustment bolt 4022. The lower adjustment bolt 4022 is threadedly connected to the lower support roller mounting seat 4023. The lower adjustment bolt 4022 can be used to adjust the position of the lower adjustment base 4021, thereby adjusting the position between the lower support roller 4024 and the lower working roller 4012, making the lower support roller 4024 and the lower working roller 4012 more closely attached, and making the supporting effect of the lower support roller 4024 on the lower working roller 4012 more ideal.

[0025] Flattening support plates 4013 are arranged on both sides of the lower working roller group 401, so that the sheet material can be supported from entering the flattening machine to exiting the flattening machine, making it not easy for the sheet material to deform.

[0026] Both the upper pressure assembly 3 and the lower bearing assembly 4 are connected to the lifting and pressurizing assembly 2. The lifting and pressurizing assembly 2 includes a lifting base 201. An upper pressure connection block 202 is slidably connected to the lifting base 201. Both sides of the upper pressure assembly 3 are connected to the upper pressure connection block 202. Both sides of the lower bearing assembly 4 are connected to the lifting base 201. A lifting drive component 203 is arranged at the upper end of the lifting base 201. The lifting drive component 203 includes a lifting drive motor 2031. The lifting drive motor 2031 is connected to a motor connection shaft 2032. The motor connection shaft 2032 is connected to a lifting linkage rod 2035. Both ends of the lifting linkage rod 2035 are connected to a lifting screw base 2033. The lifting screw base 2033 is threadedly connected to a lifting screw 2034. The upper pressure connection block 202 is connected to the lower end of the lifting screw 2034. An upper pressure connection block 202 is arranged on one side of the lifting base 201 to prevent the upper pressure connection block 202 from shifting during lifting, ensuring the stability of lifting.

[0027] A lifting screw rod 2034 has a spring connecting rod 20341 fixedly connected to its upper end. The upper end of the spring connecting rod 20341 is connected to a lifting limit nut 20342. A pressure - balancing spring 20343 is inserted into the spring connecting rod 20341. The pressure - balancing spring 20343 is located between the lifting limit nut 20342 and the lifting screw rod base 2033. When the height adjusted by the upper pressure connecting block 202 is relatively high, the pressure - balancing spring 20343 exerts a downward pressure on the upper pressure connecting block 202. At this time, the object to be leveled is a relatively thick plate. The elastic pressure applied can not only pressurize the plate but also ensure the degree of fit between the upper pressure assembly 3 and the plate, making the processing effect of the plate better. When the height adjusted by the upper pressure connecting block 202 is relatively low, the pressure - balancing spring 20343 exerts an upward pulling force on the upper pressure connecting block 2 as this pulling force can also offset a part of the gravity of the upper pressure connecting block 202 and the upper pressure assembly 3. At this time, the object to be leveled is a relatively thin plate, and reducing a part of the pressure can also prevent the plate from being damaged due to excessive pressure during the leveling process. Therefore, the pressure - balancing spring 20343 plays a role in adjusting the balance.

[0028] Both the upper pressure assembly 3 and the lower bearing assembly 4 are connected to the conveying drive assembly 1. The conveying drive assembly 1 includes a conveying drive motor 101. The conveying drive motor 101 is connected to a first drive wheel 1011. The first drive wheel 1011 is connected to a drive belt 102. The drive belt 102 is connected to a second drive wheel 103. The second drive wheel 103 is coaxially connected to a first drive gear 104. The first drive gear 104 is meshed and connected to a second drive gear 105. The second drive gear 105 is coaxially connected to a third drive gear 106. The third drive gear 106 is meshed and connected to an upper pressure drive gear 108. The upper pressure drive gear 108 is meshed and connected to a lower bearing conveying gear 107. There is at least one upper pressure drive gear 108 and at least one lower bearing conveying gear 107. The upper pressure drive gear 108 and the lower bearing conveying gear 107 are arranged in an up - and - down staggered manner. The lower bearing conveying gear 107 is connected to an upper transmission roller 1091. The other end of the upper transmission roller 1091 is connected to the upper working roller 3012 of the upper pressure assembly 3. The upper pressure drive gear 108 is connected to a lower transmission roller 1092. The other end of the lower transmission roller 1092 is connected to the lower working roller 4012 of the lower bearing assembly 4. The upper transmission roller 1091 and the lower transmission roller 1092 form a transmission roller group 109. Both ends of the upper transmission roller 1091 and the lower transmission roller 1092 are connected to a rotary joint 110. Therefore, when the conveying drive motor 101 is driven, the upper working roller 3012 and the lower working roller 4012 rotate synchronously, ensuring that the upper and lower surfaces of the plate are driven synchronously, making the plate more stable during transportation, increasing the stability of the equipment, and ensuring the quality of the product.

[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multiple-number roller group leveling machine, characterized in that, It includes an upper pressing component (3) and a lower supporting component (4). The upper pressing component (3) moves up and down relative to the lower supporting component (4), and a leveling gap (5) is formed between the upper pressing component (3) and the lower supporting component (4). The upper pressing component (3) includes an upper working roll group (301), an upper intermediate roll group (302), and an upper pressing roll group (303). The lower supporting component (4) includes a lower working roll group (401) and a lower supporting roll group (402).

2. The multi-number roll set flattening machine according to claim 1, wherein, The upper working roll group (301) includes an upper working base (3011), and the upper working base (3011) is rotatably connected to at least one upper working roll (3012). The upper intermediate roll group (302) includes an upper intermediate base (3021), the upper intermediate base (3021) is rotatably connected to at least one upper intermediate roll (3022), and a spiral groove (30221) is provided on the upper intermediate roll (3022). The upper pressing roll group (303) includes an upper roll mounting seat (3035), and the upper roll mounting seat (3035) is rotatably connected to at least one upper pressing roll (3036). Above the middle of two upper working rolls (3012), they are all rotationally tangent to the same upper intermediate roll (3022), and above the middle of two upper intermediate rolls (3022), they are all rotationally tangent to the same upper pressing roll (3036).

3. The multi-number roller set leveling machine according to claim 2, characterized in that, The lower working roll group (401) includes a lower working base (4011), the lower working base (4011) is rotatably connected to at least one lower working roll (4012), the lower supporting roll group (402) includes a lower supporting roll mounting seat (4023), the lower supporting roll mounting seat (4023) is rotatably connected to at least one lower supporting roll (4024), and below the middle of two lower working rolls (4012), they are all rotationally tangent to the same lower supporting roll (4024).

4. A multiple roller set leveling machine according to claim 3, characterized in that, The upper pressing roll group (303) includes an upper pressing base (3031), an upper pressing lifting rod (3032) is movably inserted into the upper pressing base (3031), an upper pressing spring (30322) is inserted into the upper pressing lifting rod (3032), an upper limit nut (30321) is provided at the upper end of the upper pressing lifting rod (3032), the upper pressing spring (30322) is located between the upper limit nut (30321) and the upper pressing base (3031), the lower end of the upper pressing lifting rod (3032) is connected to an upper adjustment base (3033), the upper roll mounting seat (3035) is slidably connected to the upper adjustment base (3033), one end of the upper adjustment base (3033) is rotatably connected to an upper adjustment bolt (3034), and the upper adjustment bolt (3034) is threadedly connected to the upper roll mounting seat (3035).

5. The multi-number roller group flattening machine according to claim 4, characterized in that, The lower supporting roll group (402) includes a lower adjustment base (4021), the lower supporting roll mounting seat (4023) is slidably connected to the lower adjustment base (4021), one end of the lower adjustment base (4021) is rotatably connected to a lower adjustment bolt (4022), and the lower adjustment bolt (4022) is threadedly connected to the lower supporting roll mounting seat (4023). Flat supporting plates (4013) are provided on both sides of the lower working roll group (401).

6. A multiple-number roll group flattening machine according to any one of claims 1 to 5, characterized in that The upper pressing component (3) and the lower supporting component (4) are both connected to the lifting and pressing component (2). The lifting and pressing component (2) includes a lifting base (201), and a upper pressing connection block (202) is slidably connected to the lifting base (201). Both sides of the upper pressing component (3) are connected to the upper pressing connection block (202). Both sides of the lower supporting component (4) are connected to the lifting base (201).

7. A multi-number roller set leveling machine according to claim 6, characterized in that, A lifting driving component (203) is provided at the upper end of the lifting base (201). The lifting driving component (203) includes a lifting driving motor (2031). The lifting driving motor (2031) is connected to a motor connection shaft (2032). The motor connection shaft (2032) is connected to a lifting linkage rod (2035). Both ends of the lifting linkage rod (2035) are connected to a lifting screw base (2033). The lifting screw base (2033) is threadedly connected to a lifting screw (2034). The upper pressing connection block (202) is connected to the lower end of the lifting screw (2034). One side of the lifting base (201) is provided with an upper pressing connection block (202).

8. A multi-number roller group leveling machine according to claim 7, characterized in that, A spring connecting rod (20341) is fixedly connected to the upper end of the lifting screw (2034). The upper end of the spring connecting rod (20341) is connected to a lifting limit nut (20342). A pressure balancing spring (20343) is inserted into the spring connecting rod (20341). The pressure balancing spring (20343) is located between the lifting limit nut (20342) and the lifting screw base (2033).

9. A multi-number roller set leveling machine according to any one of claims 1 to 5, 7 to 8, characterized in that, The upper pressing component (3) and the lower supporting component (4) are both connected to the conveying driving component (1). The conveying driving component (1) includes a conveying driving motor (101). The conveying driving motor (101) is connected to a first driving wheel (1011). The first driving wheel (1011) is connected to a driving belt (102). The driving belt (102) is connected to a second driving wheel (103). The second driving wheel (103) is coaxially connected to a first driving gear (104). The first driving gear (104) is meshed and connected to a second driving gear (105). The second driving gear (105) is coaxially connected to a third driving gear (106). The third driving gear (106) is meshed and connected to an upper pressing driving gear (108). The upper pressing driving gear (108) is meshed and connected to a lower supporting conveying gear (107). Both the upper pressing driving gear (108) and the lower supporting conveying gear (107) are not less than one. The upper pressing driving gear (108) and the lower supporting conveying gear (107) are arranged in a vertical staggered manner.

10. The multi-number roller set flattening machine according to claim 9, characterized in that, The lower supporting conveying gear (107) is connected to an upper transmission roller (1091). The other end of the upper transmission roller (1091) is connected to the upper pressing component (3). The upper pressing driving gear (108) is connected to a lower transmission roller (1092). The other end of the lower transmission roller (1092) is connected to the lower supporting component (4). The upper transmission roller (1091) and the lower transmission roller (1092) form a transmission roller group (109). Both ends of the upper transmission roller (1091) and the lower transmission roller (1092) are connected to a rotary joint (110).

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