Multi-roller-diameter leveling mechanism
By designing a multi-roll diameter leveling mechanism, the staggered distribution of the leveling roller group and the support wheel group structure with reduced roller diameters in sequence are solved, and effective flattening and uniformity of thicker and thinner sheets are achieved.
Patent Information
- Application Number
- CN202323512312.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2033-12-22
AI Technical Summary
When the existing multi-roller diameter leveling machine is flattened, the flatness uniformity is insufficient, making it difficult to effectively level thicker and thinner sheets.
A multi-roll diameter leveling mechanism is designed, including an upper roller system and a lower roller system. The leveling roller groups with reduced roller diameters are staggeredly distributed, combining the support wheel group and the elastic pin structure to ensure stable installation and easy maintenance of the leveling rollers.
The leveling roller groups whose roller diameters are reduced in sequence complement each other, expanding the thickness of the plate, while ensuring the smoothing uniformity after leveling, enhancing the flexibility of the equipment and maintenance convenience of the equipment.
Smart Images
Figure CN222551726U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal plate forming, in particular to a multi-roller diameter leveling mechanism. Background Art
[0002] The sheet metal leveling machine uses continuously rotating working rollers with a certain roller gap shape to drive the sheet metal to achieve a bending degree from large to small in the roller gap, so that the residual bending of the sheet metal after rebounding is consistent and close to zero, thus achieving the purpose of sheet metal leveling. The multi-roller diameter leveling machine working group previously applied for uses large and small leveling rollers arranged in an interlaced manner to increase the thickness leveling range of the metal sheet. On the sheet metal leveling machine, the roller gap on the sheet metal inlet side is the smallest, and the roller gap on the outlet side is the largest. The axis of the large leveling roller is at the same height, and the axis of the small leveling roller is also at the same height. In this way, the whole process is equivalent to alternating between two reduction amounts. Although the thickness leveling range of the sheet metal is increased to a certain extent, the flatness uniformity needs to be further improved. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a multi-roller diameter leveling mechanism.
[0004] The technical solution adopted by the utility model to solve its technical problems is: a multi-roller diameter leveling mechanism, including an upper roller system and a lower roller system, the upper roller system includes an upper leveling roller group and an upper supporting wheel group, the lower roller system includes a lower leveling roller group and a lower supporting wheel group, the upper leveling roller group is arranged with upper leveling rollers with roller diameters decreasing successively from a feed inlet to a discharge outlet, the lower leveling roller group is arranged with lower leveling rollers with roller diameters decreasing successively from a feed inlet to a discharge outlet, the upper leveling rollers and the lower leveling rollers are staggered, the upper supporting wheel group has a plurality of upper wheel group basic units distributed along the length direction of the upper leveling rollers, and the lower supporting wheel group has a plurality of lower wheel group basic units distributed along the length direction of the upper leveling rollers.
[0005] Furthermore, the upper leveling roller comprises x large leveling rollers, y medium leveling rollers and z small leveling rollers which are arranged in sequence, and both ends of the upper leveling roller are mounted on the mounting plate through bearings, and a retaining spring is arranged on the inner side of the bearing.
[0006] Furthermore, the lower leveling roller comprises x+1 large leveling rollers, y-1 medium leveling rollers and z+1 small leveling rollers which are arranged in sequence, and both ends of the lower leveling roller are mounted on the lower mounting plate through bearings, and a retaining spring is arranged on the inner side of the bearing.
[0007] Furthermore, the upper wheel group basic unit includes a front wheel train and a rear wheel train, the front wheel train has m groups of bearing wheels with equal axis heights, and the rear wheel train has n bearing wheels with successively decreasing axis heights.
[0008] Furthermore, the upper wheel group basic unit includes an upper front mounting plate, an upper rear mounting plate and an upper middle mounting plate located between the rear halves of the same structure, the front wheel train is arranged at the front halves of the upper front mounting plate and the upper rear mounting plate, each group of bearing wheel groups of the front wheel train includes a long elastic pin and three bearing wheels installed on the long elastic pin, and the n bearing wheels of the rear wheel train are staggered between the upper front mounting plate and the upper middle mounting plate and between the upper middle mounting plate and the upper rear mounting plate.
[0009] Furthermore, the bearing wheel of the rear wheel system is installed between the upper front mounting plate and the upper middle mounting plate and between the upper middle mounting plate and the upper rear mounting plate through a short elastic pin.
[0010] Furthermore, the short elastic pin and the long elastic pin are both provided with notches, and steel rods are clamped at the notches.
[0011] Furthermore, the lower wheel group basic unit includes a left wheel train and a right wheel train, the left wheel train has m+1 groups of bearing wheels with equal axis heights, and the right wheel train has n bearing wheels with successively increasing axis heights.
[0012] Furthermore, the lower wheel group basic unit includes a lower front mounting plate, a lower rear mounting plate and a lower middle mounting plate located between the rear halves of the same structure, the left wheel train is arranged at the front halves of the lower front mounting plate and the lower rear mounting plate, each group of bearing wheel groups of the left wheel train includes a long pin shaft and four bearing wheels installed on the long pin shaft, and the n bearing wheels of the right wheel train are staggered between the lower front mounting plate and the lower middle mounting plate and between the lower middle mounting plate and the lower rear mounting plate.
[0013] Furthermore, the bearing wheel of the rear wheel system is installed between the lower front mounting plate and the lower middle mounting plate and between the lower middle mounting plate and the lower rear mounting plate through a short pin shaft, and the outer peripheral surface of one side of the short pin shaft and the long pin shaft both has a protrusion.
[0014] The beneficial effects of the utility model are:
[0015] (1) The upper and lower leveling rollers of the utility model have decreasing roller diameters from the feed port to the discharge port. The leveling roller with a large roller diameter is used to level thicker plates, the leveling roller with a medium roller diameter is used to level medium and thick plates, and the leveling roller with a small roller diameter is used to level thinner plates. The three rollers complement each other, increasing the leveling range of plate thickness while ensuring flatness uniformity.
[0016] (2) A retaining ring is installed on the inner side of the bearing of the leveling roller to prevent the bearing from slipping when the leveling roller is disassembled for cleaning and maintenance;
[0017] (3) The bearing wheel of the upper supporting wheel set is installed by means of a long elastic pin and a short elastic pin. The bearing wheel is easy to disassemble for maintenance, and the steel rod can ensure the stability of the installed bearing wheel;
[0018] (4) The bearing wheel of the lower supporting wheel assembly is installed through the long pin shaft and the short pin shaft, and the bearing wheel is easy to disassemble and remove for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0020] Figure 1 It is a main schematic diagram of the utility model.
[0021] Figure 2 It is a partial side view of the utility model.
[0022] Figure 3 It is a structural schematic diagram of the basic unit of the upper wheel group in the utility model.
[0023] Figure 4 yes Figure 3 Schematic diagram of the structure in the MM direction.
[0024] Figure 5 yes Figure 3 Schematic diagram of the structure of the medium and short elastic pins.
[0025] Figure 6 yes Figure 3 Schematic diagram of the structure of the medium and long elastic pin.
[0026] Figure 7 yes Figure 3 Schematic diagram of the structure of the middle upper front mounting plate.
[0027] Figure 8 yes Figure 3 Schematic diagram of the structure of the upper middle mounting plate.
[0028] Fig. 9 It is a structural schematic diagram of the basic unit of the lower wheel group in the utility model.
[0029] Fig.10 yes Fig. 9 Schematic diagram of the structure in the NN direction.
[0030] Fig.11 yes Fig. 9 Schematic diagram of the structure of the medium and short pin shafts.
[0031] Fig.12 yes Fig. 9 Schematic diagram of the structure of the medium and long pin shaft.
[0032] Fig.13 yes Fig. 9 Schematic diagram of the structure of the middle and lower front mounting plate.
[0033] Fig.14 yes Fig. 9Schematic diagram of the structure of the middle and lower middle mounting plate.
[0034] In the figure: 1. large leveling roller, 2. middle leveling roller, 3. small leveling roller, 4. bearing, 5. upper mounting plate, 6. retaining spring, 7. lower mounting plate, 8. bearing wheel, 9. upper front mounting plate, 10. upper rear mounting plate, 11. upper middle mounting plate, 12. long elastic pin, 13. short elastic pin, 14. steel rod, 15. lower front mounting plate, 16. lower rear mounting plate, 17. lower middle mounting plate, 18. long pin, 19. short pin, 110. protrusion, 20. upper leveling roller group, 30. upper supporting wheel group, 31. upper wheel group basic unit, 40. lower leveling roller group, 50. lower supporting wheel group, 51. lower wheel group basic unit, 100. upper roller system, 200. lower roller system. DETAILED DESCRIPTION
[0035] The present invention is now further described in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0036] like Figure 1 and Figure 2 As shown, a multi-roller diameter leveling mechanism includes an upper roller system 100 and a lower roller system 200, wherein the upper roller system 100 includes an upper leveling roller group 20 and an upper supporting wheel group 30, and the lower roller system 200 includes a lower leveling roller group 40 and a lower supporting wheel group 50. The upper leveling roller group 20 is arranged with upper leveling rollers with decreasing roller diameters from a feed port to a discharge port. Specifically, the upper leveling rollers include three (x=3) large leveling rollers 1, three (y=3) medium leveling rollers 2, and three (z=3) small leveling rollers 3 arranged in sequence, and both ends of the upper leveling rollers are mounted on a mounting plate 5 through bearings 4, and a retaining spring 6 is arranged on the inner side of the bearing 4 (when disassembling the leveling rollers). When the roller is cleaned and maintained, the bearing 4 can be prevented from slipping); the lower leveling roller group 40 is arranged with lower leveling rollers with decreasing roller diameters from the feed port to the discharge port. The lower leveling rollers include four large leveling rollers 1, two medium leveling rollers 2 and four small leveling rollers 3 arranged in sequence. The two ends of the lower leveling rollers are mounted on the lower mounting plate 7 through bearings 4. The inner side of the bearing 4 is provided with a retaining spring 6; the upper leveling rollers and the lower leveling rollers are arranged alternately, the upper supporting wheel group 30 has 8 upper wheel group basic units 31 distributed along the length direction of the upper leveling rollers, and the lower supporting wheel group 50 has 8 lower wheel group basic units 51 distributed along the length direction of the upper leveling rollers. Among them, x, y, z, m and n are all positive integers ≥3.
[0037] like Figures 4 to 8As shown, the upper wheel group basic unit 31 includes a front wheel train and a rear wheel train. The front wheel train has three (m=3) groups of bearing wheel groups with equal axis heights, and the rear wheel train has seven (n=7) bearing wheels 8 with decreasing axis heights. The upper wheel group basic unit 31 includes an upper front mounting plate 9, an upper rear mounting plate 10 and an upper middle mounting plate 11 located between the rear halves of the two. The front wheel train is arranged at the front halves of the upper front mounting plate 9 and the upper rear mounting plate 10. Each group of bearing wheel groups of the front wheel train includes a long elastic pin 12 and three bearing wheels 8 mounted on the long elastic pin 12. The seven bearing wheels 8 of the rear wheel train are staggered between the upper front mounting plate 9 and the upper middle mounting plate 11 and between the upper middle mounting plate 11 and the upper rear mounting plate 10. The bearing wheels 8 of the rear wheel train are installed between the front mounting plate 9 and the upper middle mounting plate 11 and between the upper middle mounting plate 11 and the upper rear mounting plate 10 through short elastic pins 13.
[0038] like Figure 5 b and Figure 6 As shown in FIG. 2 , the short elastic pin 13 and the long elastic pin 12 (the short elastic pin 13 and the long elastic pin 12 are easy to disassemble when the bearing wheel 8 is maintained) are both provided with a notch, and a steel rod 14 is clamped at the notch. The steel rod 14 can ensure the stability of the installed bearing wheel 8.
[0039] like Figures 9 to 14 As shown, the lower wheel assembly basic unit 51 includes a left wheel train and a right wheel train. The left wheel train has four groups of bearing wheel groups with equal axis heights, and the right wheel train has seven bearing wheels 8 with successively increasing axis heights. The lower wheel assembly basic unit 51 includes a lower front mounting plate 15, a lower rear mounting plate 16 and a lower middle mounting plate 17 located between the rear halves of the two, which have the same structure. The left wheel train is arranged at the front halves of the lower front mounting plate 15 and the lower rear mounting plate 16. Each group of bearing wheel groups of the left wheel train includes a long pin 18 and four bearing wheels 8 mounted on the long pin 18. The seven bearing wheels 8 of the right wheel train are staggered between the lower front mounting plate 15 and the lower middle mounting plate 17, and between the lower middle mounting plate 17 and the lower rear mounting plate 16. The bearing wheels 8 of the rear wheel train are installed between the lower front mounting plate 15 and the lower middle mounting plate 17, and between the lower middle mounting plate 17 and the lower rear mounting plate 16 through short pins 19, as shown in FIG. Fig.11 and 12 As shown, the short pin 19 and the long pin 18 (the short pin 19 and the long pin 18 are easy to be disassembled and taken out when the bearing wheel 8 is maintained) have a protrusion 110 on their outer circumferential surfaces.
[0040] When the bending amount increases, the difference in the residual amount decreases, and when the bending times increase, the difference in the residual amount also decreases. The residual amount can only approach zero when the decreasing amount is appropriate. The upper and lower leveling rollers of this embodiment are set to expand the scope of use (thicker, medium-thick and thin plates) while reducing the suburban area, ensuring the flatness and uniformity after leveling.
[0041] The above-mentioned implementation mode is only for illustrating the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A multi-roller diameter leveling mechanism, comprising an upper roller system (100) and a lower roller system (200), wherein the upper roller system (100) comprises an upper leveling roller group (20) and an upper supporting wheel group (30), and the lower roller system (200) comprises a lower leveling roller group (40) and a lower supporting wheel group (50), characterized in that: The upper leveling roller group (20) is arranged with upper leveling rollers whose roller diameters decrease successively from the feed inlet to the discharge outlet, and the lower leveling roller group (40) is arranged with lower leveling rollers whose roller diameters decrease successively from the feed inlet to the discharge outlet. The upper leveling rollers and the lower leveling rollers are arranged alternately, and the upper supporting wheel group (30) has a plurality of upper wheel group basic units (31) distributed along the length direction of the upper leveling rollers, and the lower supporting wheel group (50) has a plurality of lower wheel group basic units (51) distributed along the length direction of the upper leveling rollers.
2. The multi-roller diameter leveling mechanism according to claim 1, characterized in that: The upper leveling roller comprises x large leveling rollers (1), y medium leveling rollers (2) and z small leveling rollers (3) which are arranged in sequence. Both ends of the upper leveling roller are mounted on a mounting plate (5) via bearings (4). A retaining spring (6) is arranged on the inner side of the bearing (4).
3. The multi-roller diameter leveling mechanism according to claim 1, characterized in that: The lower leveling roller comprises x+1 large leveling rollers (1), y-1 medium leveling rollers (2) and z+1 small leveling rollers (3) which are arranged in sequence. Both ends of the lower leveling roller are mounted on a lower mounting plate (7) via bearings (4). A retaining spring (6) is arranged on the inner side of the bearing (4).
4. The multi-roller diameter leveling mechanism according to claim 1, characterized in that: The upper wheel assembly basic unit (31) comprises a front wheel train and a rear wheel train, wherein the front wheel train has m groups of bearing wheels with equal axis heights, and the rear wheel train has n bearing wheels (8) with successively decreasing axis heights.
5. The multi-roller diameter leveling mechanism according to claim 4, characterized in that: The upper wheel assembly basic unit (31) comprises an upper front mounting plate (9), an upper rear mounting plate (10) and an upper middle mounting plate (11) located between the rear halves of the upper front mounting plate (9) and the upper rear mounting plate (10), the front wheel train is arranged at the front halves of the upper front mounting plate (9) and the upper rear mounting plate (10), each group of bearing wheel groups of the front wheel train comprises a long elastic pin shaft (12) and three bearing wheels (8) mounted on the long elastic pin shaft (12), and the n bearing wheels (8) of the rear wheel train are staggeredly arranged between the upper front mounting plate (9) and the upper middle mounting plate (11) and between the upper middle mounting plate (11) and the upper rear mounting plate (10).
6. The multi-roller diameter leveling mechanism according to claim 5, characterized in that: The bearing wheel (8) of the rear wheel system is installed between the upper front mounting plate (9) and the upper middle mounting plate (11) and between the upper middle mounting plate (11) and the upper rear mounting plate (10) via a short elastic pin shaft (13).
7. The multi-roller diameter leveling mechanism according to claim 6, characterized in that: The short elastic pin shaft (13) and the long elastic pin shaft (12) are both provided with notches, and a steel rod (14) is clamped at the notches.
8. The multi-roller diameter leveling mechanism according to claim 1, characterized in that: The lower wheel group basic unit comprises a left wheel train and a right wheel train, wherein the left wheel train has m+1 sets of bearing wheel groups with equal axis heights, and the right wheel train has n bearing wheels (8) with successively increasing axis heights.
9. The multi-roller diameter leveling mechanism according to claim 8, characterized in that: The lower wheel assembly basic unit (51) comprises a lower front mounting plate (15), a lower rear mounting plate (16) and a lower middle mounting plate (17) located between the rear halves of the lower front mounting plate (15) and the lower rear mounting plate (16) of the same structure; the left wheel train is arranged at the front halves of the lower front mounting plate (15) and the lower rear mounting plate (16); each group of bearing wheel assemblies of the left wheel train comprises a long pin shaft (18) and four bearing wheels (8) mounted on the long pin shaft (18); and the n bearing wheels (8) of the right wheel train are staggeredly arranged between the lower front mounting plate (15) and the lower middle mounting plate (17) and between the lower middle mounting plate (17) and the lower rear mounting plate (16).
10. The multi-roller diameter leveling mechanism according to claim 6, characterized in that: The bearing wheel (8) of the rear wheel system is installed between the lower front mounting plate (15) and the lower middle mounting plate (17) and between the lower middle mounting plate (17) and the lower rear mounting plate (16) via a short pin shaft (19), and a protrusion (110) is provided on one side outer peripheral surface of the short pin shaft (19) and the long pin shaft (18).