Guiding and guarding assembly for rolling steel and facilitating adjustment of distance between guide rollers
By combining the electric push rod with the hinge, loading frame and guide rollers, the problem of the guide roller spacing being unable to be adjusted is solved, enabling rapid adjustment of the guide roller spacing and convenient installation, thus improving the flexibility and working efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU HUARUI METALLURGY & MINING ELECTRICAL MASCH CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-10
AI Technical Summary
The spacing between guide rollers in existing guide assemblies cannot be adjusted adaptively, which limits their application flexibility when rolling steel of different specifications.
The design incorporates an electric push rod, hinge, loading frame, and guide rollers. The electric push rod is controlled by a controller to quickly adjust the spacing between the guide rollers, and the guide rollers are easily installed and removed through the cooperation of the drive shaft and the mounting sleeve.
It enables rapid and convenient adjustment of the guide roller spacing, improves the flexibility and efficiency of the equipment, and adapts to the rolling needs of steel of different specifications.
Smart Images

Figure CN224101486U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to guide device technical field, concretely relates to a kind of steel rolling guide assembly with guide roller spacing being adjusted conveniently. BACKGROUND
[0002] Guide is to refer to in the shape steel rolling process, is installed before and after roll pass shape to help the device that rolling piece accurately, stably enters and guides roll pass shape according to established direction and state. Rolling any section shape shape steel, guide device is used in the import and export of almost all rolls.
[0003] The guide assembly for steel rolling convenient to lubricate disclosed in the authorization announcement No.CN219211092U, the guide assembly of the patent, by setting up lubricating mechanism to lubricate roll shaft, lubricating mechanism is composed of oil tank, oil pump, oil extraction pipe, oil injection pipe and oil injection nozzle, oil pump is started by control cabinet, oil pump extracts lubricating oil in oil tank by oil extraction pipe, and lubricating oil is injected into oil injection nozzle by oil injection pipe, finally, lubricating oil is sprayed into oil screen by oil injection nozzle, realizes the automatic lubrication of roll shaft, without manual lubrication operation, time-saving and labor-saving.
[0004] Although the guide assembly has the advantage of automatic lubrication, it still has some deficiencies in some aspects. For example, the spacing between the two guide rollers cannot be adaptively adjusted. The guide rollers in the guide assembly are fixed in the guide box through the upper and lower fixed plates, and the roll shaft top end and bottom end respectively penetrate the upper and lower fixed plates and are threadedly connected with the upper and lower nuts. This design makes the spacing of the guide rollers fixed, and cannot be adaptively adjusted according to actual needs. In the process of steel rolling, different specifications of steel may need different guide roller spacing to ensure that they pass through the roll pass shape stably and accurately. However, since the spacing of the guide rollers of the guide assembly is fixed, it may not be suitable for all specifications of steel, thereby limiting the flexibility of its application.
[0005] Therefore, it is necessary to invent a guide assembly for steel rolling with guide roller spacing being adjusted conveniently to solve the above problems. CONTENT OF UTILITY MODEL
[0006] The utility model aims at providing a kind of steel rolling guide assembly with guide roller spacing being adjusted conveniently to solve the problems in the above-mentioned technology.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of steel rolling guide assembly with convenient guide roller spacing adjustment, including guide box, the both sides of the inlet end of guide box are provided with a set of fixed plate, the number of each set of fixed plate is two, two The fixed plate is symmetrically distributed, a loading frame is rotatably connected between two fixed plates, a guide roller is arranged in the opening end of the loading frame, two loading frames are each fixedly connected with a hinged piece, two electric push rods are hingedly arranged at the position of the top of guide box close to inlet end, the working end of two electric push rods is respectively hingedly arranged with two hinged pieces, controller is installed on one side of guide box, and two electric push rods are electrically connected with controller.
[0008] Through the combination design of guide box, fixed plate, loading frame, guide roller, hinged piece, electric push rod and controller, the adjustment of guide roller spacing becomes simple and feasible, and the flexibility and applicability of the equipment are improved.
[0009] Preferably, the inner top surface and the inner bottom surface of the opening end of the loading frame are fixedly connected with assembly sleeves, and the assembly sleeves are U-shaped in cross-sectional shape.
[0010] The assembly sleeves are fixedly connected to the inner top surface and the inner bottom surface of the opening end of the loading frame, and the assembly sleeves are U-shaped in cross-sectional shape, which facilitates quick matching with the transmission shaft of the guide roller.
[0011] Preferably, the top end and the bottom end of the guide roller are rotatably connected with transmission shafts, and two transmission shafts are matched with two assembly sleeves respectively.
[0012] The guide roller is matched with the assembly sleeve through the transmission shaft, and this connection mode makes the installation and disassembly of the guide roller more convenient.
[0013] Preferably, a first through hole is formed in the middle of each side of the assembly sleeve, a second through hole is formed in the middle of the transmission shaft, and the second through hole and the two first through holes are located on the same straight line.
[0014] Through holes are formed in the assembly sleeve and the transmission shaft, and they are located on the same straight line, which makes the hand screw pass through the assembly sleeve and the transmission shaft smoothly.
[0015] Preferably, a hand screw is arranged on one side of the assembly sleeve, one end of the hand screw penetrates the second through hole and the two first through holes in sequence and extends to the other side of the assembly sleeve, a hand nut is threadedly connected to the surface of the end of the hand screw extending to the other side of the assembly sleeve, and the hand nut abuts against the assembly sleeve.
[0016] The guide roller is fixed on the loading frame more stably through the cooperation of the hand screw and the hand nut, and the fixing mode is convenient and fast, and the guide roller is convenient to disassemble and replace.
[0017] Preferably, the guide roller is provided with a wear-resistant layer outside, and the wear-resistant layer is made of zirconium oxide material.
[0018] The guide roller is provided with a wear-resistant layer outside, and the wear-resistant layer is made of zirconium oxide material.
[0019] In the above technical scheme, the technical effects and advantages of the utility model are provided:
[0020] 1. Through the ingenious cooperation of the electric push rod, the hinge, the loading frame and the guide roller, the quick and convenient adjustment of the guide roller spacing is realized, and in the steel rolling process, different specifications of steel often need different guide roller spacing to ensure that the steel stably and accurately passes through the roller pass, and the design of the utility model enables the operator to easily realize the adjustment of the guide roller spacing by controlling the electric push rod, without the need for complex mechanical disassembly and reassembly, thereby greatly improving the work efficiency and flexibility.
[0021] 2. The inner top surface and the inner bottom surface of the opening end of the loading frame are fixedly connected with assembly sleeves, the guide roller is matched with the assembly sleeves through the transmission shaft and is clamped, and then is fixed through the cooperation of the hand screw and the hand nut, and the design makes the installation and disassembly of the guide roller very convenient. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is an overall structure schematic view of the utility model when the guide roller spacing is not adjusted.
[0023] Figure 2 It is an overall structure schematic view of the utility model after the guide roller spacing is adjusted.
[0024] Figure 3 It is a structure schematic view of the loading frame and the guide roller of the utility model.
[0025] Figure 4 It is a structure schematic view of the loading frame of the utility model.
[0026] Figure 5 It is a structure schematic view of the guide roller of the utility model.
[0027] EXPLANATION OF REFERENCE NUMBERS:
[0028] 1, guide box; 2, fixed plate; 3, loading frame; 4, guide roller; 5, hinged piece; 6, electric push rod; 7, controller; 8, assembly sleeve; 9, transmission shaft; 10, No. 1 through hole; 11, No. 2 through hole; 12, hand screw; 13, hand nut; 14, wear-resistant layer. DETAILED DESCRIPTION
[0029] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.
[0030] The utility model provides a kind of steel rolling guide and guard assembly facilitating the adjustment of guide roller spacing as shown in Figures 1-5 As shown in the drawing, a kind of steel rolling guide and guard assembly facilitating the adjustment of guide roller spacing, including guide box 1, the inlet end both sides of guide box 1 are provided with a group of fixed plate 2, the number of each group fixed plate 2 is set to two, two fixed plate 2 are symmetrically distributed, two loading frame 3 are rotatably connected between fixed plate 2, the inside of the opening end of loading frame 3 is provided with guide roller 4, two loading frame 3 top are each fixedly connected with a hinged piece 5, the position of the top of guide box 1 near inlet end is hingedly provided with two electric push rods 6, the working end of two electric push rods 6 is respectively hingedly provided with two hinged pieces 5, the side of guide box 1 is provided with controller 7, two electric push rods 6 are electrically connected with controller 7.
[0031] In one aspect of the embodiment, the inner top surface and the inner bottom surface of the opening end of the loading frame 3 are fixedly connected with the assembly sleeve 8, the cross-sectional shape of the assembly sleeve 8 is U-shaped, the top end and the bottom end of the guide roller 4 are rotatably connected with the transmission shaft 9, two transmission shafts 9 are respectively matched with two assembly sleeves 8, one No. 1 through hole 10 is formed in the middle of each side of the assembly sleeve 8, a No. 2 through hole 11 is formed in the middle of the transmission shaft 9, the No. 2 through hole 11 and the two No. 1 through holes 10 are located on the same straight line, a hand screw 12 is provided on one side of the assembly sleeve 8, one end of the hand screw 12 penetrates the No. 2 through hole 11 and the two No. 1 through holes 10 in sequence and extends to the other side of the assembly sleeve 8, a hand nut 13 is threadedly connected to the surface of one end of the hand screw 12 extending to the other side of the assembly sleeve 8, the hand nut 13 abuts against the assembly sleeve 8, a wear-resistant layer 14 is provided on the outside of the guide roller 4, the wear-resistant layer 14 is made of zirconium oxide material.
[0032] The electric push rod 6 and the controller 7 mentioned in the above content are both existing technical products, and their specific structures and functions will not be described here.
[0033] The working principle of the utility model is as follows:
[0034] Refer to the description accompanying Figures 1-5In use of the utility model, firstly, the working ends of the two electric push rods 6 are controlled to extend and retract by the controller 7, since the working ends of the two electric push rods 6 are hingedly arranged with the two hinged pieces 5 respectively, and the two hinged pieces 5 are fixedly connected to the top of the two loading racks 3 respectively, thus the two electric push rods 6 will push or pull the loading racks 3 to rotate when extending and retracting, thereby realizing adjustment of the spacing of the guide rollers 4 arranged inside the open end of the loading rack 3;
[0035] Specifically, when the spacing between the two guide rollers 4 needs to be increased, the working ends of the two electric push rods 6 are controlled to extend simultaneously by the controller 7, thus pushing the two loading racks 3 to rotate outward, thereby increasing the spacing between the two guide rollers 4, on the contrary, when the spacing between the two guide rollers 4 needs to be decreased, the working ends of the two electric push rods 6 are controlled to shorten simultaneously by the controller 7, thus pulling the two loading racks 3 to rotate inward, thereby decreasing the spacing between the two guide rollers 4;
[0036] In addition, the inner top surface and the inner bottom surface of the open end of the loading rack 3 are fixedly connected with the assembly sleeve 8, the guide roller 4 is matched with and clamped with the assembly sleeve 8 through the transmission shaft 9 rotatably connected to the top end and the bottom end of the guide roller 4, the first through hole 10 in the middle of the two sides of the assembly sleeve 8 and the second through hole 11 in the middle of the transmission shaft 9 are located on the same straight line, through cooperation of the hand screw 12 and the hand nut 13, the guide roller 4 can be more stably fixed on the loading rack 3, and meanwhile, the guide roller 4 is convenient to disassemble and replace;
[0037] The outer side of the guide roller 4 is further provided with the wear-resistant layer 14, the wear-resistant layer 14 is made of zirconia material, the zirconia material has the characteristics of wear resistance and high temperature resistance, which is beneficial to prolong the service life of the guide roller 4.
Claims
1. A guide and guard assembly for steel rolling, which facilitates adjustment of the distance between the guide rollers, comprising a guide and guard box (1), characterized in that: Each side of the guide box (1) is provided with a group of fixed plates (2), the number of each group of fixed plates (2) is two, two fixed plates (2) are symmetrically distributed, two fixed plates (2) are rotatably connected with a loading frame (3), the inside of the opening end of the loading frame (3) is provided with a guide roller (4), the top of two loading frames (3) is respectively fixedly connected with a hinged piece (5), the top of the guide box (1) is hingedly provided with two electric push rods (6) near the inlet end, the working end of two electric push rods (6) is respectively hingedly provided with two hinged pieces (5), one side of the guide box (1) is provided with a controller (7), two electric push rods (6) are electrically connected with the controller (7).
2. A guide assembly for steel rolling as claimed in claim 1, wherein: The inner top surface and the inner bottom surface of the opening end of the loading frame (3) are fixedly connected with an assembly sleeve (8), the cross section shape of the assembly sleeve (8) is U-shaped.
3. A guide assembly for use in the rolling of steel stock, the guide assembly being adapted to facilitate adjustment of the spacing between the guide rollers, the guide assembly being as claimed in claim 2, wherein: The top end and the bottom end of the guide roller (4) are rotatably connected with a transmission shaft (9), two transmission shafts (9) are matched with two assembly sleeves (8) respectively.
4. A guide assembly for use in the rolling of steel stock, the guide assembly being adapted to facilitate adjustment of the spacing between the guide rollers, the guide assembly being as claimed in claim 3, wherein: The middle part of two sides of the assembly sleeve (8) is provided with a first through hole (10), the middle part of the transmission shaft (9) is provided with a second through hole (11), the second through hole (11) and two first through holes (10) are located on the same straight line.
5. A guide assembly for use in the rolling of steel stock to facilitate adjustment of the spacing between the guide rolls as claimed in claim 4, characterized in that: One side of the assembly sleeve (8) is provided with a hand screw (12), one end of the hand screw (12) penetrates the second through hole (11) and two first through holes (10) in sequence and extends to the other side of the assembly sleeve (8), the surface of one end of the hand screw (12) extending to the other side of the assembly sleeve (8) is screwedly connected with a hand nut (13), the hand nut (13) abuts against the assembly sleeve (8).
6. A guide assembly for steel material rolling, which facilitates adjustment of the distance between guide rollers according to claim 1, characterized in that: The outer side of the guide roller (4) is provided with a wear-resistant layer (14), the wear-resistant layer (14) is made of zirconium oxide material.
Citation Information
Patent Citations
Guide and guard assembly convenient to lubricate and used for steel rolling
CN219211092U