Steel belt flattening device for steel-plastic composite pipe production

Abstract

The utility model discloses a steel belt flattening device for producing a steel-plastic composite pipe. The steel belt flattening device comprises a machine body, at least five leveling roller sets are arranged and located in the machine body. The adjusting device is arranged at the upper end of the body; the driving assembly is arranged on the machine body; a plurality of annular grooves are formed in the two leveling roller sets at the feeding end; the chain wheel is arranged on the inner side of the annular groove; the conveying crawler belt is installed between the two opposite chain wheels in the conveying direction. The utility model relates to the technical field of steel-plastic composite pipe production, through the annular groove, the chain wheel and the conveying track structure which are arranged on the two leveling roller sets at the feeding end, and the supporting design of the thrust wheel, a stable feeding conveying channel is formed; the pre-guiding traction of the steel belt is realized under the driving of the chain wheel, the curled steel belt is effectively guided to smoothly enter the gap of the flattening roller group, and the problem that the end part of the steel belt is bent after being uncoiled and is difficult to smoothly pass through the space between the two groups of conveying flattening rollers, so that the coil is easy to block is fundamentally avoided.

Description

A steel strip leveling device for steel-plastic composite pipe production Technical Field

[0001] This utility model relates to the field of steel-plastic composite pipe production technology, specifically to a steel strip leveling device for steel-plastic composite pipe production. Background Technology

[0002] Steel-plastic composite pipes, which combine the strength of metal with the corrosion resistance of plastic, are widely used in water supply and drainage, gas transmission, and other fields. In their production process, the leveling of the steel strip is one of the core procedures, directly affecting the forming quality and structural stability of the pipe.

[0003] Currently, steel strips often become bent after unwinding due to long-term winding, requiring pressure feeding and leveling during use. However, during the leveling process, the ends of the steel strips are often bent after unwinding, making it difficult to pass smoothly between the two sets of conveying leveling rollers, which can easily cause jamming. Therefore, a steel strip leveling device for steel-plastic composite pipe production is provided. Summary of the Invention

[0004] The purpose of this utility model is to provide a steel strip leveling device for the production of steel-plastic composite pipes, so as to solve the problem that the ends of the steel strip are often bent after uncoiling, making it difficult to pass smoothly between two sets of conveying leveling rollers and easily causing the roll to jam.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel strip leveling device for steel-plastic composite pipe production, comprising:

[0006] Organism;

[0007] The leveling roller group shall be set up with at least five groups, which shall be arranged symmetrically inside the machine body, and each leveling roller group shall include an upper roller and a lower roller with adjustable spacing.

[0008] An adjustment device is provided at the upper end of the machine body to control the movement of the upper roller of the leveling roller group and adjust the distance between the upper roller and the lower roller of the leveling roller group;

[0009] A drive assembly, mounted on the machine body, is used to synchronously drive the lower rollers of several leveling roller groups to rotate.

[0010] Several annular grooves are provided on the two leveling roller groups at the feed end, with the annular grooves on the two groups of leveling rollers arranged opposite each other.

[0011] A sprocket is disposed inside the annular groove;

[0012] The conveyor track consists of rows of track plates assembled and installed between two opposing sprockets along the conveying direction;

[0013] Support rollers are positioned between the two sets of leveling rollers along the conveying direction to support the conveyor belt.

[0014] Preferably, it also includes a control box, which is electrically connected to the drive assembly and the adjustment device for adjusting the speed and spacing of the leveling rollers.

[0015] Preferably, the track plates of the conveyor belt are provided with a rubber protective layer.

[0016] Preferably, the adjusting device includes a hydraulic cylinder disposed at the upper end of the machine body, the output end of the hydraulic cylinder is provided with a pressing mounting seat, the upper rollers of the several leveling roller groups are all installed at the bottom of the pressing mounting seat, the upper end of the pressing mounting seat is provided with several guide rods penetrating the top of the machine body, and the hydraulic cylinder is provided with a pressure sensor for real-time monitoring of the pressing force of the upper rollers of the leveling roller group.

[0017] Preferably, the drive assembly includes a first gear disposed at the lower roller shaft end of the leveling roller group, a second gear meshing with the two first gears, and a drive motor for driving one of the first gears to rotate, wherein the second gear is rotatably mounted on the machine body.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a steel strip leveling device for the production of steel-plastic composite pipes. Through the annular grooves, sprockets, and conveyor belt structure set on two sets of leveling rollers at the feeding end, combined with the support design of the support rollers, a stable feeding and conveying channel is formed. The track plate assembly of the conveyor belt can adapt to the bending deformation of the steel strip end, achieving pre-guided traction of the steel strip under the drive of the sprocket. This effectively guides the coiled steel strip smoothly into the gap between the leveling rollers, fundamentally avoiding the problem of jamming caused by the steel strip end being bent after uncoiling and unable to pass smoothly between the two sets of conveyor leveling rollers. Attached Figure Description

[0019] Figure 1 is a schematic cross-sectional view of the present invention.

[0020] Figure 2 is a schematic diagram of the left sectional view of this utility model;

[0021] Figure 3 is a top sectional view of the present invention.

[0022] Figure 4 is a schematic diagram of the rear sectional structure of this utility model;

[0023] Figure 5 is a schematic diagram of the main cross-sectional structure of the lower roller of the two leveling roller groups at the feeding end of this utility model.

[0024] In the diagram: 1. Machine body; 2. Leveling roller assembly; 3. Adjustment device; 31. Hydraulic cylinder; 32. Lower pressure mounting base; 33. Guide rod; 34. Pressure sensor; 4. Drive assembly; 41. First gear; 42. Second gear; 43. Drive motor; 5. Annular groove; 6. Sprocket; 7. Conveyor track; 8. Support roller; 9. Control box; 10. Rubber protective layer. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please refer to Figures 1-5. This utility model provides a technical solution: a steel strip leveling device for steel-plastic composite pipe production, including a machine body 1; at least five sets of leveling roller groups 2 are arranged symmetrically inside the machine body 1, and each set of leveling roller groups 2 includes an upper roller and a lower roller with adjustable spacing. The upper roller and the lower roller are both high-hardness alloy rollers with chrome-plated surfaces. Since the roller surface diameters of the upper roller and the lower roller of the leveling roller group 2 are the same, and the lower roller of the leveling roller group 2 is driven by a drive assembly 4 to achieve synchronous and uniform rotation of the lower rollers of each leveling roller group 2, the linear velocity of the upper roller of the leveling roller group 2 under the friction drive of the steel strip is completely consistent with that of the lower roller of the leveling roller group 2. This ensures that the upper roller and the lower roller of the leveling roller group 2 rotate at the same speed, only in opposite directions, guaranteeing stable steel strip travel speed without... Surface scratches caused by slippage or speed difference; Adjustment device 3 is set at the upper end of the machine body 1 to control the movement adjustment of the upper roller of the leveling roller group 2 and the distance between the lower roller of the leveling roller group 2; Drive assembly 4 is set on the machine body 1 to synchronously drive the lower rollers of several leveling roller groups 2 to rotate; Several annular grooves 5 are provided, located on the two leveling roller groups 2 at the feeding end, the opening end of the annular grooves 5 is set as a smooth arc surface, and the annular grooves 5 on the two groups of leveling roller groups 2 are arranged opposite each other; Sprocket 6 is set on the inner side of the annular groove 5; Conveyor track 7 is composed of rows of track plates, and the track plates are hinged together. The track plates are metal plates and are installed between two opposite sprockets 6 along the conveying direction; Support roller 8 is set between the gaps of the two groups of leveling roller groups 2 along the conveying direction, and is used for The conveyor track 7 is supported by the distributed arrangement of support rollers 8 in the gaps of the leveling roller group 2, forming a dynamic support along the entire length of the conveyor track 7, effectively dispersing the local stress during the movement of the steel belt. Each track plate of the conveyor track 7 is equipped with a rubber protective layer 10. This rubber protective layer 10 enhances the friction coefficient with the steel belt, ensuring conveying stability and preventing surface scratches caused by hard metal-to-metal contact. In actual use, the drive assembly 4 is activated to rotate the lower roller of the leveling roller group 2. The conveyor track 7 below is driven by the rotation of the lower roller of the leveling roller group 2, which in turn drives the sprocket 6 to rotate, causing the conveyor track 7 to move cyclically with the sprocket 6. Simultaneously, during the conveying of the steel belt, the steel belt is clamped between the upper and lower rollers of the leveling roller group 2; the rotation of the lower roller, through the interaction between the steel belt and the sprocket 6, creates a dynamic support along the entire length of the conveyor track 7. The friction of the roller surface causes the upper roller to rotate passively in the opposite direction, which in turn drives the sprocket 6 on the upper roller of the leveling roller group 2 to rotate synchronously. The sprocket 6 then drives the upper and lower conveyor belts 7 to move synchronously, thus conveying the steel strip. The annular groove 5, sprocket 6, and conveyor belt 7 structure on the two sets of leveling roller groups 2 at the feeding end, together with the support design of the support roller 8, form a stable feeding and conveying channel. The track plate assembly of the conveyor belt 7 can adapt to the bending deformation of the steel strip end. Under the drive of the sprocket 6, the steel strip is pre-guided and pulled, effectively guiding the coiled steel strip smoothly into the gap of the leveling roller group. This fundamentally avoids the problem of the steel strip end being bent after uncoiling and difficult to pass smoothly between the two sets of conveyor leveling rollers, which can easily cause the coil to jam.

[0027] Specifically, it also includes a control box 9 with a built-in PLC controller. The control box 9 is electrically connected to the drive assembly 4 and the adjustment device 3 to adjust the speed and spacing of the leveling roller group 2. In actual use, after the operator inputs the steel strip thickness through the touch screen, the system automatically calculates the target spacing of each leveling roller group 2, the speed of the drive motor 43, and the preset pressure range of the hydraulic cylinder 31. The data of the pressure sensor 34 is displayed in real time. If the uneven thickness of the steel strip causes abnormal pressure in a certain group of leveling roller group 2, the pressure sensor 34 triggers the hydraulic cylinder 31 to finely adjust the height of the upper roller to avoid overpressure or insufficient leveling.

[0028] Specifically, the adjustment device 3 includes a hydraulic cylinder 31 located at the upper end of the machine body 1. The output end of the hydraulic cylinder 31 is provided with a pressing mounting seat 32. The upper rollers of several leveling roller groups 2 are all installed at the bottom of the pressing mounting seat 32. The upper end of the pressing mounting seat 32 is provided with several guide rods 33 penetrating the top of the machine body 1. There are four guide rods 33, which are evenly distributed at the four corners of the pressing mounting seat 32. The top of the machine body 1 has guide holes that are compatible with the guide rods. Through the setting of the guide rods 33, it is ensured that the upper rollers of several leveling roller groups 2 move vertically without deviation. The hydraulic cylinder 31 is provided with a pressure sensor 34 for real-time monitoring of the pressing force of the upper rollers of the leveling roller group 2. The pressure sensor 34 is integrated into the oil circuit of the hydraulic cylinder 31, which monitors the hydraulic pressure in real time and converts it into pressing force data, which is fed back to the control box 9. In actual use, the target spacing is set through the control box 9, and the hydraulic cylinder 31 pushes the pressing mounting seat 32 to drive all the upper rollers to press down synchronously, forming a progressive leveling force.

[0029] Specifically, the drive assembly 4 includes a first gear 41 disposed at the shaft end of the lower roller of the leveling roller group 2, a second gear 42 meshing with the two first gears 41, and a drive motor 43 that drives one of the first gears 41 to rotate. The drive motor 43 is a variable frequency motor and is connected to the shaft of the first gear 41 through a coupling. The first gear 41 and the second gear 42 cooperate to form a chain drive. The second gear 42 is rotatably mounted on the machine body 1 to ensure that the speed of each lower roller is completely synchronized.

[0030] Working principle: When this utility model is in operation, the end of the bent steel strip is placed manually or mechanically on the conveyor belt 7 at the feeding end. When the drive component 4 drives the lower roller to rotate, the sprockets 6 of the two sets of leveling rollers 2 at the feeding end rotate synchronously, driving the conveyor belt 7 to move in a cycle, forming a flexible traction force on the end of the steel strip. The steel strip smoothly enters the clamping area of ​​the leveling rollers 2, avoiding the problem of jamming.

[0031] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0032] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel strip leveling device for steel-plastic composite pipe production, characterized in that, include: Machine body (1); at least five sets of leveling roller groups (2) are arranged symmetrically inside the machine body (1), and each set of leveling roller groups (2) includes an upper roller and a lower roller with adjustable spacing; an adjusting device (3) is set at the upper end of the machine body (1) to control the movement of the upper roller of the leveling roller group (2) and adjust the spacing between the upper roller and the lower roller of the leveling roller group (2); a driving assembly (4) is set on the machine body (1) to synchronously drive the lower rollers of several leveling roller groups (2) to rotate; a ring The groove (5) is provided in several places and is located on the two leveling roller groups (2) at the feeding end. The annular grooves (5) on the two groups of leveling roller groups (2) are arranged opposite each other. The sprocket (6) is located on the inner side of the annular groove (5). The conveyor belt (7) is composed of rows of track plates and is installed between the two opposite sprockets (6) along the conveying direction. The support roller (8) is arranged between the gaps of the two groups of leveling roller groups (2) along the conveying direction to support the conveyor belt (7).

2. The steel strip leveling device for steel-plastic composite pipe production according to claim 1, characterized in that: It also includes a control box (9), which is electrically connected to the drive assembly (4) and the adjustment device (3) for adjusting the speed and spacing of the leveling roller group (2).

3. The steel strip leveling device for steel-plastic composite pipe production according to claim 1, characterized in that: The conveyor track (7) is provided with a rubber protective layer (10) on each track plate.

4. The steel strip leveling device for steel-plastic composite pipe production according to claim 1, characterized in that: The adjustment device (3) includes a hydraulic cylinder (31) located at the upper end of the machine body (1). The output end of the hydraulic cylinder (31) is provided with a pressing mounting seat (32). The upper rollers of several leveling roller groups (2) are all installed at the bottom of the pressing mounting seat (32). The upper end of the pressing mounting seat (32) is provided with several guide rods (33) that penetrate the top of the machine body (1). The hydraulic cylinder (31) is provided with a pressure sensor (34) for real-time monitoring of the pressing force of the upper rollers of the leveling roller group (2).

5. The steel strip leveling device for steel-plastic composite pipe production according to claim 1, characterized in that: The drive assembly (4) includes a first gear (41) disposed at the lower roller shaft end of the leveling roller group (2), a second gear (42) meshing with the two first gears (41), and a drive motor (43) that drives one of the first gears (41) to rotate. The second gear (42) is rotatably mounted on the machine body (1).

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