Steel rolling anti-flying bar dust removal gap bridge
By designing a dust removal bridge to prevent flying strips in steel rolling, the problems of safety risks and environmental pollution in steel rolling production have been solved, and safety and quality have been improved.
Patent Information
- Application Number
- CN202520095121.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing bridge structures pose safety risks, environmental pollution, and quality problems in steel rolling production, including workpiece deviation, flying out, scratches, and dust diffusion.
A dust removal bridge for anti-splashing of rolled steel is designed, comprising a guide trough, a bell mouth, a sealed box, side wall rollers, and a dust removal pipe. The bell mouth guides the rolled workpiece into the guide trough, the side wall rollers position and limit it, the sealed box controls splashing, and the dust removal pipe removes dust, preventing deviation, scratches, and dust spread.
It improves production safety, reduces environmental pollution, enhances the quality of rolled products, improves the working environment, and reduces the risk of scratches on the steel surface.
Smart Images
Figure CN223698896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bar rolling production dust removal equipment, in particular to a rolling anti-flying bar dust removal bridge. BACKGROUND
[0002] At present, the bar rolling production line commonly uses the short stress rolling mill arrangement form, and the short stress rolling mill is alternately arranged in the flat and vertical posture, when producing the bar products of different sizes, the adjacent rolling mills need to be separated by the bridge to achieve the purpose of conveying the finished products to the downstream.
[0003] The existing bridge structure is a u-shaped bridge, and the top of the bridge is open, when conveying the threaded steel and round steel, the positioning structure of the intermediate billet of the rolling piece is lacked, and the rolling piece is deviated due to the head deviation, the blooming head and other factors, so that the rolling piece deviates, the rolling mill piles up the steel or the rolling piece flies out of the bridge when passing through the bridge, which causes damage to the surrounding workers, equipment and workshop environment, and has certain safety risk.
[0004] Since the top of the bridge is open, the rolling piece is exposed to the outside in a large area when conveying the rolling piece, and the dust generated in the rolling process and the conveying process of the rolling piece will spread to the external environment, pollute the environment and affect the health of the workers.
[0005] Moreover, when conveying the threaded steel and round steel, the rolling piece will contact and rub with the bottom surface and side surface of the bridge, which is easy to scratch the surface of the steel rolling piece and reduce the quality of the steel rolling piece.
[0006] Therefore, the existing bridge structure has the problems of low safety coefficient, environmental pollution and influence on the quality of the rolling piece. INVENTION CONTENTS
[0007] The utility model discloses a kind of rolling anti-flying bar dust removal bridges, with the characteristics of improving production safety, reducing environmental pollution, improving rolling piece quality.
[0008] The utility model discloses a technical scheme: a kind of rolling anti-flying bar dust removal bridges, including the guide groove body between adjacent rolling mills, the inlet end of guide groove body is equipped with the horn mouth expanding to two sides, the top of guide groove body is equipped with sealed box, dust removal pipe is equipped between horn mouth and sealed box, dust removal machine is equipped on dust removal pipe;The guide groove body includes base slide and the side plate on the two sides of base slide, the height of base slide is lower than the height of rolling mill rolling line, and a plurality of pairs of side wall rollers are symmetrically arranged on the side plate along the rolling piece conveying direction.
[0009] In the aforementioned rolling steel anti-flying strip dust removal overbridge, the inner side of the side plate is provided with a groove, the top and bottom of the side plate are provided with adjusting holes distributed along the width direction of the guide groove body and communicated with the groove, the groove is provided with a roller frame, the upper and lower ends of the roller frame are provided with screw rods penetrating through the corresponding adjusting holes, the screw rods are provided with fixing nuts, the side surface of the roller frame is provided with a support shaft, and the side wall roller is sleeved on the support shaft and rotationally connected with the support shaft and protrudes from the groove.
[0010] In the aforementioned rolling steel anti-flying strip dust removal overbridge, the height of the base sliding plate is 20mm lower than the height of the rolling line of the rolling mill.
[0011] In the aforementioned rolling steel anti-flying strip dust removal overbridge, the top of the sealing box body is provided with a lifting lug.
[0012] In the aforementioned rolling steel anti-flying strip dust removal overbridge, the side surface of the sealing box body is provided with a window body for observing the stacking of steel, and the window body is provided with a sealing door.
[0013] In the aforementioned rolling steel anti-flying strip dust removal overbridge, the bottom of the base sliding plate is provided with a roller.
[0014] Compared with the prior art, the rolling steel anti-flying strip dust removal overbridge has the beneficial effects that:
[0015] The overbridge in the utility model not only plays the conveying role and the role of separating the rolling mill, but also is provided with a horn mouth at the import end, which is aligned with the discharging direction of the previous rolling mill, so that the rolled piece is smoothly introduced into the guide groove body through the horn mouth, and the positioning and limitation of the side wall roller prevent the rolled piece from deviating and being misaligned and stacked when the head of the rolled piece deviates or blooms, thereby preventing the rolled piece from flying out when an abnormality occurs and improving the safety of the rolled piece in the overbridge.
[0016] The fully-closed sealing box body arranged on the guide groove body is used to control the flying range of the rolled piece when the rolled piece is conveyed and stacked, so that the rolled piece is limited in the sealing box body and is prevented from flying and splashing to the outside to cause damage to the external environment and harm to the workers.
[0017] The dust removal pipe and the dust removal machine arranged at the import end of the guide groove body are used to suck and remove the dust generated in the rolling process and the conveying process, effectively solve the dust pollution, improve the environmental cleanliness, improve the working environment, and are beneficial to the health of the workers.
[0018] Therefore, the utility model has the characteristics of improving the production safety, reducing the environmental pollution, and improving the quality of the rolled piece. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 is the structural schematic diagram of the utility model.
[0020] Fig. 2 is the installation structure schematic diagram of the side wall roller.
[0021] The marks in the drawing are: 1, guide groove body; 11, base slide; 12, side plate; 13, recess; 14, adjusting hole; 15, roller; 2, horn mouth; 3, sealing box; 31, lifting lug; 32, window; 4, dust removal pipe; 5, side wall roller; 51, roller frame; 52, screw rod; 53, fixed nut; 54, support shaft. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with the drawings and examples, but not as the basis for limiting the utility model.
[0023] In the description of the utility model, it also needs to be explained that, unless there is explicit provision and limitation, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] Example:
[0025] As Figs. 1-2 shown, a kind of steel rolling prevents flying bar dust removal overbridge, including being installed between adjacent rolling mill guide groove body 1, the two ends of guide groove body 1 are equipped with import end and export end, import end is equipped with the horn mouth 2 expanding to both sides, the top of guide groove body 1 is equipped with sealing box 3, and horn mouth 2 and sealing box 3 are equipped with dust removal pipe 4, dust removal pipe 4 is connected with dust removal machine;The guide groove body 1 includes base slide 11 and the side plate 12 located at the both sides of base slide 11, the height of base slide 11 is lower than the height of rolling mill rolling line, and the inner wall of side plate 12 is symmetrically equipped with several pairs of side wall roller 5 along the rolling piece conveying direction.
[0026] The designed horn mouth 2 is aligned with the discharging direction of the previous rolling mill, and the horn mouth 2 is expanded to facilitate the smooth introduction of the rolled piece into the guide groove body 1, and the positioning and limiting of the side wall roller 5 prevent the rolled piece from deviating, mispositioning, piling up steel and other problems due to the head of the rolled piece deviating or blooming, and prevent the rolled piece from flying out when an abnormality occurs, thereby improving the safety of the rolled piece in the bridge. The height of the base sliding plate 11 is lower than the height of the rolling line of the rolling mill, and the positioning of the side wall roller 5 allows the rolled piece to be in a suspended position during the conveying process in the guide groove body 1 when the rolling mill is normally rolled, and the rolled piece does not contact the base sliding plate 11 and the side plate 12, thereby reducing the friction between the rolled piece and the bridge and the scratches on the surface of the rolled steel, improving the quality of the rolled steel, and reducing dust.
[0027] The fully enclosed sealing box 3 provided on the guide groove body 1 is used to control the range of the rolled piece flying out when the rolled piece is conveyed and piled up, and the rolled piece is limited in the sealing box 3 to prevent the rolled piece from flying and splashing to the outside to cause damage to the external environment and harm to the workers.
[0028] The dust removal pipe 4 and the dust removal machine provided at the inlet end of the guide groove body 1 are used to suck and remove the dust generated during the rolling and conveying process of the rolled piece, effectively solving the dust pollution, improving the environmental cleanliness, improving the working environment, and being beneficial to the health of the workers.
[0029] The inner side of the side plate 12 is provided with a groove 13, the top and bottom of the side plate 12 are provided with adjusting holes 14 distributed along the width direction of the guide groove body 1 and communicating with the groove 13, the groove 13 is provided with a roller bracket 51, the upper and lower ends of the roller bracket 51 are provided with screw rods 52 penetrating through the corresponding adjusting holes 14, the screw rods 52 are provided with fixed nuts 53, the side surface of the roller bracket 51 is provided with a support shaft 54, and the side wall roller 5 is sleeved on the support shaft 54 and rotationally connected with the support shaft 54 and protrudes from the groove 13.
[0030] The roller bracket 51 can be adjusted in position through the screw rod 52 along the adjusting hole 14, so as to adjust the distance between the two side wall rollers 5, and be suitable for limiting and conveying rolled pieces of different diameters such as round steel or threaded steel.
[0031] The height of the base sliding plate 11 is 20mm lower than the height of the rolling line of the rolling mill.
[0032] The top of the sealing box 3 is provided with lifting ears 31 for easy lifting. Once the steel is piled up or the strip flies, as long as the front and rear rolled pieces are cut off and a new bridge device is lifted again, the production can be quickly restored, the production time and cost are saved.
[0033] The side surface of the sealing box 3 is provided with a window 32 for checking the piling up of the steel, and the window 32 is provided with a sealing door.
[0034] The bottom of the base sliding plate 11 is provided with a roller 15 to facilitate the adjustment of the position of the bridge.
[0035] Working process: the bridge is placed in the position of the mill which needs to be separated, the base sliding plate 11 is placed on the mill slide, the front and rear overlapping structure is formed between the bridge and the mill, the rolled piece conveyed on the mill line is introduced into the guide groove body 1 from the horn mouth 2, and is limited and conveyed by the side wall roller 5, is dusted by the dust collector, and is finally output from the outlet end of the bridge.
[0036] The part not described in detail of the utility model is prior art, so it is not specifically described here.
Claims
1. A dust removal bridge for anti-flying strips in steel rolling mills, characterized in that: The guide trough (1) is installed between adjacent rolling mills. The inlet end of the guide trough (1) is provided with a flared mouth (2) that extends to both sides. The top of the guide trough (1) is provided with a sealing box (3). A dust removal pipe (4) is provided between the flared mouth (2) and the sealing box (3). A dust collector is provided on the dust removal pipe (4). The guide trough (1) includes a base slide plate (11) and side plates (12) located on both sides of the base slide plate (11). The height of the base slide plate (11) is lower than the height of the rolling line of the rolling mill. Several pairs of side wall rollers (5) are symmetrically arranged on the side plates (12) along the conveying direction of the rolled piece.
2. The anti-flying strip dust removal bridge for steel rolling mills according to claim 1, characterized in that: The inner side of the side plate (12) is provided with a groove (13). The top and bottom of the side plate (12) are provided with adjustment holes (14) that are distributed along the width direction of the guide groove (1) and communicate with the groove (13). A roller frame (51) is provided in the groove (13). Both the upper and lower ends of the roller frame (51) are provided with screws (52) that pass through the corresponding adjustment holes (14). A fixing nut (53) is provided on the screw (52). A support shaft (54) is provided on the side of the roller frame (51). The side wall roller (5) is sleeved on the support shaft (54) and rotatably connected to the support shaft (54) and protrudes from the groove (13).
3. The anti-flying strip dust removal bridge for steel rolling mills according to claim 1, characterized in that: The height of the base slide plate (11) is 20 mm lower than the height of the rolling mill line.
4. The anti-flying strip dust removal bridge for steel rolling mills according to claim 1, characterized in that: The top of the sealed box (3) is provided with a lifting lug (31).
5. The anti-flying strip dust removal bridge for steel rolling mills according to claim 1, characterized in that: The sealed box (3) has a window (32) on its side for viewing the steel stacking situation, and a sealed door on the window (32).
6. The anti-flying strip dust removal bridge for steel rolling mills according to claim 1, characterized in that: The base slide (11) is provided with rollers (15) at its bottom.