Steel casting surface polishing device for rail transit
By designing a combination of a casting fixing machine tool and a collection component, the problems of dead corners and dust splashing during the polishing of cast steel parts were solved, achieving comprehensive polishing and safe collection, thus improving the polishing effect and safety of cast steel parts.
Patent Information
- Application Number
- CN202423275239.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing polishing equipment for cast steel parts used in rail transit cannot effectively polish the dead corners of the cast steel parts, and a large amount of dust and debris are generated during polishing, which endangers the health of workers.
A device was designed that includes a casting fixing machine tool, a fixing table, a slide bar, a polishing brush, a positioning component, and a collection component. The cast steel part is fixed by the slide bar and the positioning component to ensure that the polishing brush can reach the dead corners, and the dust and debris are collected by the collection component to prevent them from splashing.
It achieves comprehensive polishing of the dead corners of cast steel parts, reduces the splashing of dust and debris, and improves the safety of the working environment and polishing efficiency.
Smart Images

Figure CN223604094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polishing device technical field, concretely is a cast steel surface polishing device for rail transit. BACKGROUND
[0002] The cast steel for rail transit is an important component part in modern railway construction and maintenance, and these cast steels are widely used in the key components such as the wheel, axle, bogie, braking system of rail vehicle and turnout, sleeper and connecting piece in rail infrastructure, and the cast steel material is widely used due to its excellent mechanical properties, wear resistance and corrosion resistance, and the surface polishing device is a mechanical equipment for improving the surface quality and smoothness of workpiece, which removes the scratch, burr, oxide layer and other defects on the surface of workpiece through polishing process, so that the surface reaches the state of smoothness, flatness and mirror, and the existing cast steel for rail transit generally needs to use the surface polishing device for polishing during production.
[0003] The existing surface polishing device is widely applied, and in use, the polishing brush is directly used for polishing the cast steel at high speed, but the shape of the cast steel is not a plane, direct use of the polishing brush for polishing the cast steel can cause dead angle and cannot be polished, and a large amount of dust and debris can be generated during polishing and fly out, which can easily cause harm to the workers, therefore, the cast steel surface polishing device for rail transit is provided for the above problems. SUMMARY
[0004] The utility model discloses a cast steel surface polishing device for rail transit, which solves the problems of the existing device that cannot polish the dead angle of the cast steel and generates a large amount of dust and debris during polishing, which can easily cause harm to the workers.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A cast steel surface polishing device for rail transit, comprising a cast piece fixing machine tool, a fixed table is arranged on the right side of the cast piece fixing machine tool, a vertical fixed plate is fixedly connected to the top end of the fixed table, a horizontal sliding rod is slidably connected inside the fixed plate and penetrates the fixed plate from left to right, springs are arranged on the outer side of the sliding rod, baffles are symmetrically arranged on the left and right ends of the sliding rod and fixedly connected to the left and right ends of the sliding rod, a threaded block is fixedly connected to the side of the baffle on the left side away from the sliding rod, a threaded cylinder is screw-connected to the outer side of the threaded block, a polishing brush is fixedly connected to the side of the threaded cylinder away from the baffle, a positioning assembly is arranged on the front side of the fixed plate, and a collecting assembly is arranged between the cast piece fixing machine tool and the fixed table.
[0007] Preferably, the collecting assembly is provided with a protection box above the collecting assembly, a through groove is formed in the protection box from left to right, limit grooves are symmetrically arranged on both sides of the through groove and are formed in the outer side of the protection box and penetrate through the protection box from left to right, sliding cylinders are symmetrically arranged on the left side of the protection box and are fixedly connected with the left side of the protection box, sliding columns are vertically arranged and are slidably connected in the inner side of the sliding cylinders, and a sliding frame is fixedly connected at the top end of the casting fixture machine tool.
[0008] Preferably, the positioning assembly comprises a positioning rod which is slidably connected in the inner side of the fixed plate and penetrates through the fixed plate, a positioning plate which is vertically arranged and is fixedly connected at the end of the positioning rod away from the fixed plate, and a handle which is fixedly connected at one end of a screw rod which is horizontally arranged and penetrates through the positioning plate.
[0009] Preferably, the collecting assembly comprises a collecting frame which is fixedly connected between the casting fixture machine tool and the fixed table, a plurality of fans which are fixedly connected on the outer side of the collecting frame and penetrate through the collecting frame, a drawer which is slidably connected in the inner side of the collecting frame and penetrates through the collecting frame, and a filter plate which is fixedly connected at the bottom end of the drawer and penetrates through the drawer.
[0010] Preferably, the number of the sliding rods is multiple, the sliding rods are uniformly distributed in the inner side of the fixed plate, one end of the spring is fixedly connected with the fixed plate, and the other end of the spring away from the fixed plate is fixedly connected with the baffle on the left side.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、In the utility model, through the fixed table, the fixed plate, the sliding rod, the spring, the baffle, the threaded block, the threaded cylinder, the polishing brush, the positioning assembly, the positioning rod, the positioning plate, the screw rod and the handle, the dead angle on the surface of the cast steel piece can be polished according to the shape of the cast steel piece, when polishing the cast steel piece, the cast steel piece is fixed on the chuck of the casting fixture machine tool and the casting fixture machine tool is started, at this time, the cast steel piece moves and extrudes the polishing brush, the sliding rod slides in the inner side of the fixed plate, the spring is compressed under stress, then the handle is rotated to make the positioning rod tightly abut against the outer side of the sliding rod to fix the sliding rod, the rotating assembly of the casting fixture machine tool is started to make the cast steel piece rotate, and the polishing brush can polish the cast steel piece.
[0013] 2. The utility model discloses a collection assembly, collection frame, fan, drawer, filter plate, protection case, through groove, limiting groove, sliding cylinder, sliding column, slide frame and slide plate are set up, can collect the dust debris of polishing, places the protection case at the top of collection frame before polishing cast steel and fixes collection frame, then starts the fan, and the fan extracts the air inside collection frame and protection case to make it form negative pressure environment, and the dust debris that flies out falls on the top of filter plate inside drawer, when the dust debris is full, pulls open the drawer and pours out the debris. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is whole structure schematic diagram of the utility model;
[0015] Figure 2 It is protection case opening structure schematic diagram of the utility model;
[0016] Figure 3 It is fixed platform connecting assembly structure schematic diagram of the utility model;
[0017] Figure 4 It is fixed plate section structure schematic diagram of the utility model;
[0018] Figure 5 It is polishing brush installation structure schematic diagram of the utility model.
[0019] In the drawing: 1, castings fixed machine tool;2, fixed platform;3, fixed plate;4, slide rod;5, spring;6, baffle;7, threaded block;8, threaded cylinder;9, polishing brush;10, positioning assembly;1001, positioning rod;1002, positioning plate;1003, screw;1004, handle;11, collection assembly;1101, collection frame;1102, fan;1103, drawer;1104, filter plate;12, protection case;13, through groove;14, limiting groove;15, sliding cylinder;16, sliding column;17, slide frame;18, slide plate. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.
[0021] In the description of the utility model, need understanding is, the orientation word such as " before, after, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and so on indicated orientation or positional relationship usually is based on the orientation or positional relationship shown in drawing, just is for the convenience of describing the utility model and simplifying description, under the condition of not making opposite declaration, these orientation words do not indicate and suggest the device or element indicated must have specific orientation or with specific orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation word " inside, outside " refers to the inside and outside relative to the contour of each component.
[0022] In addition, it needs to be explained that the use of "first", "second" and other words to limit parts is only for the convenience of distinguishing the corresponding parts, and if there is no further declaration, the above words have no special meaning, so it cannot be understood as the restriction of the protection scope of the utility model.
[0023] Please refer to Figures 1-5 The utility model provides a technical scheme:
[0024] A cast steel surface polishing device for rail transit, comprising a cast fixing machine tool 1, a fixed table 2 is arranged on the right side of the cast fixing machine tool 1, a vertical fixed plate 3 is fixedly connected to the top end of the fixed table 2, a horizontal sliding rod 4 is slidably connected to the inside of the fixed plate 3 and penetrates the fixed plate 3 from left to right, a spring 5 is arranged on the outside of the sliding rod 4, a baffle 6 is symmetrically arranged on the left and right ends of the sliding rod 4 and fixedly connected to the left and right ends of the sliding rod 4, a threaded block 7 is fixedly connected to the side of the baffle 6 away from the sliding rod 4, a threaded cylinder 8 is screw-connected to the outside of the threaded block 7, a polishing brush 9 is fixedly connected to the side of the threaded cylinder 8 away from the baffle 6, a positioning assembly 10 is arranged on the front side of the fixed plate 3, and a collecting assembly 11 is arranged between the cast fixing machine tool 1 and the fixed table 2.
[0025] The collecting assembly 11 is provided with a protection box 12, a through groove 13 is formed in the protection box 12 from left to right, limit grooves 14 are symmetrically arranged on both sides of the through groove 13 and are formed in the outer side of the protection box 12 and penetrate the protection box 12 from left to right, the protection box 12 is symmetrically provided with a sliding cylinder 15 fixedly connected to the left side of the protection box 12, a sliding column 16 vertically arranged is slidably connected in the inner side of the sliding cylinder 15, a sliding frame 17 is fixedly connected to the top end of the casting fixing machine tool 1, a sliding plate 18 is slidably connected in the inner side of the sliding frame 17, the arrangement of the collecting assembly 11 can make the collection and cleaning of the debris more convenient, the protection box 12 can limit the splashing debris and prevent the debris from flying out to hurt people, the positioning assembly 10 includes a positioning rod 1001 slidably connected in the inner part of the fixed plate 3 and penetrating the fixed plate 3, a positioning plate 1002 vertically arranged is fixedly connected to the end of the positioning rod 1001 away from the fixed plate 3, the end of the positioning rod 1001 away from the positioning plate 1002 is closely attached to the outer side of the sliding rod 4, a lead screw 1003 horizontally arranged and penetrating the positioning plate 1002 is screw-connected in the inner part of the positioning plate 1002, a handle 1004 is fixedly connected to one end of the lead screw 1003, the end of the lead screw 1003 away from the handle 1004 is rotationally connected to the positioning plate 1002, the arrangement of the positioning assembly 10 can fix the sliding rod 4 and prevent the sliding rod 4 from sliding when the machine is running, the collecting assembly 11 includes a collecting frame 1101 fixedly connected between the casting fixing machine tool 1 and the fixed table 2, a plurality of fans 1102 penetrating the collecting frame 1101 are fixedly connected to the outer side of the collecting frame 1101, a drawer 1103 penetrating the collecting frame 1101 is slidably connected to the inner side of the collecting frame 1101, a filter plate 1104 penetrating the drawer 1103 is fixedly connected to the bottom end of the drawer 1103, the arrangement of the collecting assembly 11 can make the collection and cleaning of the debris more convenient, the number of the sliding rods 4 is multiple, the sliding rods 4 are evenly distributed in the inner part of the fixed plate 3, one end of the spring 5 is fixedly connected to the fixed plate 3, the end of the spring 5 away from the fixed plate 3 is fixedly connected to the baffle 6 on the left side.
[0026] Workflow: before use, the device is powered on, when the cast steel parts need to be polished, the cast steel parts are fixed on the chuck of the cast part fixing machine tool 1 and the cast part fixing machine tool 1 is started, at this time the cast steel parts move to extrude the polishing brush 9, the slide rod 4 slides in the inner side of the fixed plate 3 at the top of the fixed table 2, the spring 5 on one side of the baffle 6 is compressed under stress, then the handle 1004 is turned, the screw rod 1003 rotates and moves in the inner side of the positioning plate 1002, until the positioning rod 1001 tightly fits the outer side of the slide rod 4 to fix the slide rod 4, the setting of the positioning assembly 10 can fix the slide rod 4, prevent the slide rod 4 from sliding when the machine is running, then the sliding plate 18 is moved, the sliding plate 18 slides in the inner side of the sliding frame 17 and is separated from the limiting groove 14, then the protection box 12 is moved and placed on the top of the collection frame 1101, at this time the sliding cylinder 15 slides on the outer side of the sliding column 16, the slide rod 4 and the assemblies connected on the cast part fixing machine tool 1 are located in the inner side of the through slot 13, the sliding plate 18 is moved, the sliding plate 18 slides in the inner side of the sliding frame 17 and is inserted into the limiting groove 14, so as to fix the protection box 12, the next step is to start the rotating assembly of the cast part fixing machine tool 1 to rotate the cast steel parts, the polishing brush 9 can polish the cast steel parts, at this time the fan 1102 on the collection frame 1101 is started, the fan 1102 draws the air in the inner side of the collection frame 1101 and the protection box 12 to form a negative pressure environment, the flying dust and debris fall on the top of the filter plate 1104 in the drawer 1103, when the dust and debris are collected, the drawer 1103 is pulled open and the debris is poured out, the setting of the collection assembly 11 can make the collection and cleaning of the debris more convenient, after the polishing is finished, the cast part fixing machine tool 1 is turned off and the cast iron parts are taken out, the handle 1004 is reversed to stop fixing the slide rod 4, the spring 5 is reset to restore the slide rod 4 to the original position, when the polishing brush 9 is seriously worn, the threaded cylinder 8 is unscrewed from the outer side of the threaded block 7 to replace the polishing brush 9.
[0027] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The machinery, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A surface polishing device for cast steel parts of rail transit, comprising a part fixing machine tool (1), characterized in that: The right side of the casting fixing machine tool (1) is provided with a fixed table (2), the top end of the fixed table (2) is fixedly connected with a vertically arranged fixed plate (3), the inside of the fixed plate (3) is slidably connected with a horizontally arranged sliding rod (4) which penetrates the fixed plate (3) from left to right, the outer side of the sliding rod (4) is provided with a spring (5), the left and right ends of the sliding rod (4) are symmetrically provided with a baffle (6) fixedly connected with the left and right ends of the sliding rod (4), the side away from the sliding rod (4) of the baffle (6) on the left is fixedly connected with a threaded block (7), the outer side of the threaded block (7) is screw-connected with a threaded cylinder (8), the side away from the baffle (6) of the threaded cylinder (8) is fixedly connected with a polishing brush (9), the front side of the fixed plate (3) is provided with a positioning assembly (10), and the casting fixing machine tool (1) and the fixed table (2) are provided with a collecting assembly (11).
2. The cast steel surface polishing device for rail transit according to claim 1, characterized in that: The upper side of the collecting assembly (11) is provided with a protection box (12), the outer side of the protection box (12) is provided with a through groove (13) which penetrates the protection box (12) from left to right, the both sides of the through groove (13) are symmetrically provided with a limiting groove (14) which is provided on the outer side of the protection box (12) and penetrates the protection box (12) from left to right, the left side of the protection box (12) is symmetrically provided with a sliding cylinder (15) fixedly connected with the left side of the protection box (12), the inner side of the sliding cylinder (15) is slidably connected with a vertically arranged sliding column (16), the top end of the casting fixing machine tool (1) is fixedly connected with a sliding frame (17), and the inner side of the sliding frame (17) is slidably connected with a sliding plate (18).
3. The cast steel surface polishing device for rail transit according to claim 1, characterized in that: The positioning assembly (10) comprises a positioning rod (1001) slidably connected in the inside of the fixed plate (3) and penetrating the fixed plate (3), the end away from the fixed plate (3) of the positioning rod (1001) is fixedly connected with a vertically arranged positioning plate (1002), the end away from the positioning plate (1002) of the positioning rod (1001) is closely combined with the outer side of the sliding rod (4), the inside of the positioning plate (1002) is screw-connected with a horizontally arranged screw rod (1003) which penetrates the positioning plate (1002), one end of the screw rod (1003) is fixedly connected with a handle (1004), and the end away from the handle (1004) of the screw rod (1003) is rotationally connected with the positioning plate (1002).
4. The cast steel surface polishing device for rail transit according to claim 1, characterized in that: The collecting assembly (11) comprises a collecting frame (1101) fixedly connected between the casting fixing machine tool (1) and the fixed table (2), a plurality of fans (1102) are fixedly connected on the outer side of the collecting frame (1101) and penetrate the collecting frame (1101), the inner side of the collecting frame (1101) is slidably connected with a drawer (1103) which penetrates the collecting frame (1101), and the bottom end of the drawer (1103) is fixedly connected with a filter plate (1104) which penetrates the drawer (1103).
5. The cast steel surface polishing device for rail transit according to claim 1, characterized in that: The number of the sliding rods (4) is multiple, the sliding rods (4) are evenly distributed in the inside of the fixed plate (3), one end of the spring (5) is fixedly connected with the fixed plate (3), and the end away from the fixed plate (3) of the spring (5) is fixedly connected with the baffle (6) on the left.