Rolling mill with adjustable roll gap

Abstract

The rolling mill comprises a box body, two transmission shafts are movably arranged in the box body, the two transmission shafts movably extend out of the side wall of the box body and are connected with rollers, an adjusting mechanism and an eccentric mechanism are arranged in the box body, and the eccentric mechanism comprises a movable bearing movably arranged on one roller in a sleeving mode. The adjusting mechanism comprises an arc-shaped worm wheel plate connected to the outer wall of the eccentric sleeve, the arc-shaped worm wheel plate is connected with a worm in an engaged mode, the worm movably penetrates through the top of the box body and is connected with a rotating head, and a dial movably arranged on the worm in a sleeving mode is arranged at the top of the box body. The dial is provided with a plurality of scale marks distributed in an annular array, the rotating head is located on the top face of the dial, the side wall of the rotating head is provided with pointer lines matched with the scale marks, and the device has the advantages that quantitative adjustment can be conducted, and the adjusting precision is improved.

Description

Technical Field

[0001] This application relates to the field of rolling mill technology, and more particularly to a rolling mill with adjustable roll gap. Background Technology

[0002] Currently, aluminum rod production equipment uses oil-water separation rolling mills. However, after a period of production, the rolls wear out severely. Disassembly and repair can easily lead to collateral damage, resulting in short service life, long maintenance time, and unstable product quality. To overcome this problem, existing rolling mills can adjust the gap between the two rolls externally through a worm gear mechanism, eliminating the need to disassemble the mill and allowing the worn rolls to continue to be used. However, adjustment generally relies on visual judgment of the roll gap, which is small and requires minimal adjustment, making it prone to significant human error. An excessively large or small gap will affect performance, resulting in low adjustment accuracy and difficulty in meeting high-precision adjustment requirements. Utility Model Content

[0003] The main objective of this application is to provide a roll gap adjustable mill, which aims to solve the technical problem of low adjustment accuracy of the gap between the two rolls in existing mills.

[0004] To achieve the above objectives, this application provides an adjustable roll gap mill, including a housing. Two drive shafts are movably arranged inside the housing, both of which extend out of the side wall of the housing and are connected to rolls. An adjustment mechanism and an eccentric mechanism are provided inside the housing. The eccentric mechanism includes a movable bearing movably sleeved on one of the rolls, and an eccentric sleeve sleeved on the movable bearing. The eccentric sleeve is movably arranged on the side wall of the housing. The adjustment mechanism includes an arc-shaped worm gear plate connected to the outer wall of the eccentric sleeve. The arc-shaped worm gear plate is meshed with a worm. The worm movably passes through the top of the housing and is connected to a rotating head. A scale plate is movably sleeved on the worm at the top of the housing. The scale plate has multiple scale lines arranged in a circular array. The rotating head is located on the top surface of the scale plate, and a pointer line that cooperates with the scale lines is provided on the side wall of the rotating head.

[0005] Optionally, the rotating head sidewall is provided with four positioning surfaces, with adjacent positioning surfaces perpendicular to each other.

[0006] Optionally, two eccentric mechanisms are provided, and the two eccentric mechanisms are mounted on the same transmission shaft, with an arc-shaped worm gear plate connected between the two eccentric mechanisms.

[0007] Optionally, the two eccentric sleeves are respectively movably embedded in the two inner side walls of the housing, and the outer walls of the two eccentric sleeves are connected to connecting blocks, and the arc-shaped worm gear plate is detachably connected between the two connecting blocks.

[0008] Optionally, it also includes a gear set, which includes a drive gear and two transmission gears. The drive gear is connected to one end of one of the transmission shafts away from the roll and is located outside the housing. The two transmission gears are located inside the housing and are respectively fixedly sleeved on the transmission shaft.

[0009] Optionally, the transmission gear on the corresponding transmission shaft is located between the two connecting blocks.

[0010] Optionally, multiple annular grooves are provided on both rolls.

[0011] Optionally, it also includes a base plate, a back plate is vertically connected to one side of the base plate, and multiple support pads are detachably connected to the base plate. The box is set on top of the support pads, and the side of the box away from the roller is attached to the back plate.

[0012] Optionally, an inspection port is provided on the side of the box body adjacent to the roll, and an inspection plate is detachably connected to the inspection port.

[0013] Optionally, the top of the enclosure is provided with at least two lifting rings.

[0014] The beneficial effects that this application can achieve are as follows:

[0015] When roll wear necessitates roll gap adjustment, this application allows for rotation of the rotating head from outside the housing, which in turn drives the worm gear to rotate, subsequently rotating the arc-shaped worm wheel plate and the eccentric sleeve as a whole. Due to the eccentric structure design of the eccentric sleeve, its internal movable bearing can be displaced eccentrically, thereby driving the corresponding drive shaft closer to another drive shaft, and thus driving the roll to synchronously approach the other roll. During the adjustment process, the operator can observe in real time the pointer line on the rotating head pointing to the scale line on the dial. The interval between the scale lines indicates the mapping relationship between the rotation angle of the rotating head and the gap between the two rolls, thus allowing for intuitive and precise control of the adjustment amount between the two rolls. This achieves precise adjustment of the gap between the two rolls, thereby realizing quantitative adjustment and improving adjustment accuracy. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0017] Figure 1 This is a schematic diagram of the structure of an adjustable roll gap mill according to an embodiment of this application;

[0018] Figure 2 for Figure 1 A magnified schematic diagram of the local structure at point A;

[0019] Figure 3 This is a schematic diagram of the back view structure of an adjustable roll gap mill according to an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the structure of an adjustable roll gap mill with the housing hidden, as described in an embodiment of this application.

[0021] Figure 5 For the corresponding Figure 4 A schematic diagram of the structure after the eccentric sleeve has been disassembled;

[0022] Figure 6 For the corresponding Figure 4 A schematic diagram of the planar structure;

[0023] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0024] Figure 8 This is a cross-sectional view of the roll structure in an embodiment of this application.

[0025] Figure label:

[0026] 110-Box body, 111-Inspection plate, 120-Drive shaft, 130-Roller, 131-Annular roller groove, 140-Adjusting mechanism, 141-Arc-shaped worm gear plate, 142-Worm, 150-Eccentric mechanism, 151-Moving bearing, 152-Eccentric sleeve, 153-Connecting block, 160-Rotating head, 161-Pointer line, 162-Positioning surface, 170-Digital dial, 171-Scale line, 180-Gear set, 181-Drive gear, 182-Transmission gear, 190-Base plate, 210-Back plate, 220-Support pad, 230-Lifting ring.

[0027] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0032] Example

[0033] Reference Figures 1-8 This embodiment provides a roll gap adjustable mill, including a housing 110. Two drive shafts 120 are movably disposed within the housing 110, each extending out of the side wall of the housing 110 and connected to a roll 130. An adjustment mechanism 140 and an eccentric mechanism 150 are disposed within the housing 110. The eccentric mechanism 150 includes a movable bearing 151 movably sleeved on one of the rolls 130, and an eccentric sleeve 152 sleeved on the movable bearing 151. The eccentric sleeve 152 is movably disposed on the side wall of the housing 110. The adjustment mechanism… 140 includes an arc-shaped worm gear plate 141 connected to the outer wall of the eccentric sleeve 152. The arc-shaped worm gear plate 141 is meshed with a worm 142. The worm 142 movably passes through the top of the housing 110 and is connected to a rotating head 160. A scale 170 is provided on the top of the housing 110 and is movably sleeved on the worm 142. The scale 170 is provided with multiple scale lines 171 arranged in a circular array. The rotating head 160 is located on the top surface of the scale 170. A pointer line 161 that cooperates with the scale lines 171 is provided on the side wall of the rotating head 160.

[0034] In this embodiment, when the roller 130 is worn and the gap needs to be adjusted, the rotating head 160 can be rotated from outside the housing 110, thereby driving the worm gear 142 to rotate, which in turn drives the arc-shaped worm wheel plate 141 and the eccentric sleeve 152 to rotate as a whole. Due to the eccentric structure design of the eccentric sleeve 152, the movable bearing 151 inside it can be eccentrically displaced, which can drive the corresponding transmission shaft 120 to move closer to the other transmission shaft 120, that is, drive the roller 130 to move closer to the other roller 130 synchronously. During the adjustment process, the operator can observe in real time the pointer line 161 on the rotating head 160 pointing to the scale line 171 on the scale 170. The interval between the scale lines 171 can represent the mapping relationship between the rotation angle of the rotating head 160 and the gap between the two rollers 130, so as to intuitively and accurately control the adjustment amount between the two rollers 130, so as to achieve precise adjustment of the gap between the two rollers 130, thereby realizing quantitative adjustment and improving the adjustment accuracy.

[0035] It should be noted that during adjustment, tools such as wrenches can be used to hold the rotating head 160 for manual adjustment and easy operation; the bottom of the worm gear 142 is movably connected to the bottom of the housing 110 through a bearing; here, the two rollers 130 are arranged vertically, and the eccentric mechanism 150 is set on the lower roller 130. Since the two rollers 130 need to rotate synchronously, the upper roller 130 also needs to be fitted with a movable bearing 151 to cooperate with its rotation; when the mill is running, the two drive shafts 120 rotate, and under the cooperation of the corresponding movable bearings 151, the arc-shaped worm gear plate 141 will not rotate accordingly.

[0036] As an optional implementation, the rotating head 160 has four positioning surfaces 162 on its side wall. The adjacent positioning surfaces 162 are perpendicular to each other, and the four positioning surfaces 162 facilitate quick positioning and clamping with tools such as wrenches.

[0037] As an optional implementation, two eccentric mechanisms 150 are provided, and the two eccentric mechanisms 150 are mounted on the same transmission shaft 120, with the arc-shaped worm gear plate 141 connected between the two eccentric mechanisms 150.

[0038] In this embodiment, two eccentric mechanisms 150 are provided, and the arc-shaped worm gear plate 141 is connected between the two eccentric mechanisms 150. When the arc-shaped worm gear plate 141 rotates, it can drive the two eccentric sleeves 152 to rotate simultaneously, so that the movable bearing 151 and the transmission shaft 120 can be displaced more stably, the center of gravity is stable, and the force is balanced.

[0039] As an optional implementation, the two eccentric sleeves 152 are respectively movably embedded in the two inner side walls of the housing 110, and the outer walls of the two eccentric sleeves 152 are connected to the connecting blocks 153. The arc-shaped worm gear plate 141 is detachably connected between the two connecting blocks 153.

[0040] In this embodiment, the two eccentric sleeves 152 are detachably connected to the arc-shaped worm gear plate 141 via connecting blocks 153, which facilitates assembly and disassembly, reduces assembly difficulty, and makes subsequent replacement of parts easier. The connecting blocks 153 and the arc-shaped worm gear plate 141 can be connected by bolts, or other detachable connection structures can be used.

[0041] As an optional implementation, it also includes a gear set 180, which includes a drive gear 181 and two transmission gears 182. The drive gear 181 is connected to one end of one of the transmission shafts 120 away from the roll 130 and is located outside the housing 110. The two transmission gears 182 are located inside the housing 110 and are respectively fixedly sleeved on the transmission shaft 120.

[0042] In this embodiment, the gear set 180 is used to drive the transmission shaft 120 to rotate. During operation, the drive gear 181 can be rotated from the outside of the housing 110. The drive gear 181 needs to cooperate with the power mechanism (e.g., a combination of motor and drive gear) to drive the two transmission gears 182 to rotate, so as to drive the two transmission shafts 120 and the corresponding rollers 130 to rotate synchronously.

[0043] It should be noted that since the gap adjustment between the two rolls 130 is relatively small, and its adjustment range is within the tooth groove depth range of the two transmission gears 182, the two transmission gears 182 can still maintain normal meshing after adjustment. Therefore, during initial assembly, the gap between the two transmission gears 182 should be made as large as possible while maintaining the meshing relationship, so that it can adapt to normal meshing after subsequent multiple adjustments as the gap between the two transmission gears 182 gradually decreases, thus preventing jamming.

[0044] As an optional implementation, the transmission gear 182 on the corresponding transmission shaft 120 is located between the two connecting blocks 153, which has a compact structure, makes reasonable use of space, and minimizes the size of the rolling mill.

[0045] As an optional implementation, multiple annular grooves 131 are provided on both rolls 130, which can improve the economic efficiency of use.

[0046] As an optional implementation, it also includes a base plate 190, a back plate 210 is vertically connected to one side of the base plate 190, and a plurality of support pads 220 are detachably connected to the base plate 190 (by bolts or snap-fit ​​structure), and a housing 110 is disposed on the top of the support pads 220, with the side of the housing 110 away from the roller 130 adhering to the back plate 210.

[0047] In this embodiment, a support plate 220 of the corresponding height can be selected and installed on the base plate 190 according to the actual usage, thereby adjusting the installation height of the housing 110 to adapt to different usage scenarios at different heights and improve versatility. It should be noted that multiple screw holes can be made in the back plate 210, and the screw holes are connected to the corresponding positioning holes on the housing 110 by bolts, thereby fixing the adjusted housing 110 at the corresponding height position of the back plate 210, and the base plate 190 is also fixedly set, thereby reducing the shaking during the operation of the rolling mill.

[0048] As an optional implementation, an inspection port is provided on the side of the housing 110 adjacent to the roll 130, and an inspection plate 111 is detachably connected to the inspection port (by bolts) to facilitate opening the inspection plate 111 to view or repair the internal parts.

[0049] As an alternative implementation, the top of the housing 110 is provided with at least two lifting rings 230 to facilitate the hoisting of the entire rolling mill for transport.

[0050] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A rolling mill with adjustable roll gap, characterized in that, The device includes a housing with two movably mounted drive shafts. Both drive shafts extend out of the housing's side wall and are connected to rollers. The housing also contains an adjustment mechanism and an eccentric mechanism. The eccentric mechanism includes a movable bearing movably mounted on one of the rollers, with an eccentric sleeve mounted on the movable bearing. The eccentric sleeve is movably mounted on the housing's side wall. The adjustment mechanism includes an arc-shaped worm gear plate connected to the outer wall of the eccentric sleeve. The arc-shaped worm gear plate is meshed with a worm. The worm moves through the top of the housing and is connected to a rotating head. The top of the housing has a scale plate movably mounted on the worm. The scale plate has multiple graduation lines arranged in a circular array. The rotating head is located on the top surface of the scale plate, and a pointer line that mates with the graduation lines is located on the side wall of the rotating head.

2. The adjustable roll gap mill as described in claim 1, characterized in that, The rotating head has four positioning surfaces on its side wall, and adjacent positioning surfaces are perpendicular to each other.

3. The adjustable roll gap mill as described in claim 1, characterized in that, There are two eccentric mechanisms, and the two eccentric mechanisms are mounted on the same transmission shaft. The arc-shaped worm gear plate is connected between the two eccentric mechanisms.

4. The adjustable roll gap mill as described in claim 3, characterized in that, Two eccentric sleeves are respectively movably embedded in the two inner side walls of the housing, and connecting blocks are connected to the outer walls of the two eccentric sleeves. The arc-shaped worm gear plate is detachably connected between the two connecting blocks.

5. The adjustable roll gap mill as described in claim 4, characterized in that, It also includes a gear set, which includes a drive gear and two transmission gears. The drive gear is connected to one end of one of the transmission shafts away from the roll and is located outside the housing. The two transmission gears are located inside the housing and are respectively fixedly sleeved on the transmission shaft.

6. The adjustable roll gap mill as described in claim 5, characterized in that, The transmission gear on the corresponding drive shaft is located between the two connecting blocks.

7. The adjustable roll gap mill as described in claim 1, characterized in that, Both rolls have multiple annular grooves.

8. The adjustable roll gap mill as described in claim 1, characterized in that, It also includes a base plate, with a back plate vertically connected to one side of the base plate. Multiple support pads are detachably connected to the base plate. The box is set on top of the support pads, and the side of the box away from the roller is attached to the back plate.

9. A roll gap adjustable mill as described in claim 1, characterized in that, An inspection port is provided on the side of the box body adjacent to the rolling mill, and an inspection plate is detachably connected to the inspection port.

10. A roll gap adjustable mill as described in claim 1, characterized in that, The top of the box is equipped with at least two lifting rings.

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