Fixing device for steel rail machining

Abstract

The utility model discloses a fixing device for steel rail processing, which comprises an electromagnetic base, two sides of the upper end of the electromagnetic base are provided with a pair of step parts, the horizontal end face of each step part is magnetically provided with a magnetic conductive block I, and the vertical end face of each step part is provided with a magnetic conductive block II through a connecting assembly; the connecting assembly comprises a counterbore formed in the second magnetic conductive block, a countersunk bolt is installed in the counterbore, and the end of the countersunk bolt is in threaded connection with the electromagnetic base. The steel rail hole milling device is reasonable in structure, a plurality of steel rails can be fixed at the same time, meanwhile, hole milling machining can be conveniently carried out on the rail web positions of the steel rails, and the machining efficiency is improved. And the use requirements can be better met.

Description

Technical Field

[0001] The utility model relates to the technical field of rail processing, in particular to a fixing device for rail processing. Background Art

[0002] During the milling process of railway rails, if heavy milling is required, a permanent magnetic clamp must be combined with an auxiliary hydraulic clamp to complete the process. This makes the operation cumbersome, increases the time spent on workpiece clamping, and increases the equipment cost of the hydraulic auxiliary clamp.

[0003] In order to solve the above problems, the invention patent with authorization announcement number CN103659394B discloses a powerful electric permanent magnetic suction cup device. By adopting dual magnetic circuits in series and bidirectional magnetic guide pads, it achieves precise positioning and strong suction of the rails, prevents the surface of the rails from having oxide scale and uneven suction surface, resulting in unstable suction, ensures stability during strong milling of the rails, extends the service life of the tool, and has the characteristics of reducing use costs and improving rail clamping efficiency.

[0004] However, when the device is used, it can only fix a single rail, and due to the limitation of the external magnetic pad, it is inconvenient to drill holes in the waist of the rail, which reduces the scope of application of the device and cannot meet the use requirements well. Utility Model Content

[0005] The purpose of the present utility model is to provide a fixing device for rail processing to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A fixing device for rail processing includes: an electromagnetic base, a pair of stepped portions are provided on both sides of the upper end of the electromagnetic base, the horizontal end surface of each step portion is magnetically mounted with a first magnetic conductive block, and the vertical end surface of each step portion is mounted with a second magnetic conductive block via a connecting assembly; the connecting assembly includes a countersunk hole opened on the second magnetic conductive block, a countersunk bolt is installed in the countersunk hole, and the end of the countersunk bolt is threadedly connected to the electromagnetic base.

[0008] As a preferred solution, the cross-section of the electromagnetic base is a "convex" shape.

[0009] As a preferred solution, a pair of fixing grooves are further provided at the upper end of the electromagnetic base.

[0010] As a preferred solution, the fixing groove is "T"-shaped.

[0011] As a preferred solution, it also includes an extrusion mechanism, which includes multiple groups of extrusion seats. A fixed slider is slidably installed in the fixed groove at the position corresponding to each extrusion seat. A fixed screw is installed on the upper end of the fixed slider. The end of the fixed screw passes through the extrusion seat and is threaded with a fixed nut. The upper end of the extrusion seat is also threaded with an extrusion bolt.

[0012] As a preferred solution, the extrusion seat is "Z"-shaped.

[0013] As a preferred solution, an extrusion limit block is further installed on the side of the extrusion seat close to the rail.

[0014] Compared with the existing technology, the beneficial effects of the present invention are: by arranging magnetic blocks on both sides of the electromagnetic base, multiple groups of rails can be fixed at the same time, which can improve processing efficiency; the rails are fixed by cooperating with the extrusion mechanism through the magnetic blocks, which facilitates milling of the rail waist position, improves the applicability of the device, and can better meet usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a first embodiment of a fixing device for rail processing;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure behind the hidden rail of a fixing device for rail processing;

[0017] Figure 3 This is a schematic diagram of the overall three-dimensional structure of a second embodiment of a fixing device for rail processing;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of an extrusion mechanism of a fixing device for rail processing;

[0019] Figure 5 This is a schematic diagram of the overall three-dimensional structure of a third embodiment of a fixing device for rail processing.

[0020] In the figure: 1. Electromagnetic base; 10. Steel rail; 11. Magnetic block 1; 12. Magnetic block 2; 13. Countersunk hole; 14. Fixing slot; 2. Extrusion mechanism; 21. Extrusion seat; 22. Extrusion bolt; 23. Fixing screw; 24. Fixing nut; 25. Fixing slider; 26. Extrusion limit block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figures 1-2 A fixing device for rail processing comprises: an electromagnetic base 1, a pair of stepped portions are provided on both sides of the upper end of the electromagnetic base 1, the horizontal end surface of each step portion is magnetically mounted with a magnetic conductive block 11, and the vertical end surface of each step portion is mounted with a magnetic conductive block 2 12 through a connecting component; the connecting component includes a countersunk hole 13 provided on the magnetic conductive block 2 12, a countersunk bolt is installed in the countersunk hole 13, and the end of the countersunk bolt is threadedly connected to the electromagnetic base 1, the cross-section of the electromagnetic base 1 is a "convex" shape, and a pair of fixing grooves 14 are further provided at the upper end of the electromagnetic base 1, and the fixing groove 14 is "T"-shaped.

[0023] The working principle of the present invention is as follows: when it is necessary to grind the rail top of the rail 10, the rail 10 to be processed is placed on the magnetic blocks 11 on the left and right sides of the electromagnetic base 1, and the rail 10 is magnetically fixed by the magnetic blocks 11 and 12. In this way, multiple rails can be fixed at the same time, which is convenient for grinding and can effectively improve the processing efficiency of the rails, thereby better meeting the needs of use.

[0024] Example 2: Please refer to Figures 3-4 A fixing device for rail processing, which differs from the first embodiment in that it further includes an extrusion mechanism 2, which includes multiple groups of extrusion seats 21. A fixed slider 25 is slidably installed in the fixed groove 14 corresponding to the position of each extrusion seat 21. A fixed screw 23 is installed on the upper end of the fixed slider 25. The end of the fixed screw 23 passes through the extrusion seat 21 and is threadedly screwed with a fixed nut 24. An extrusion bolt 22 is also threadedly screwed on the upper end of the extrusion seat 21. The extrusion seat 21 is "Z"-shaped, and an extrusion limit block 26 is also installed on the side of the extrusion seat 21 close to the rail 10. In this embodiment, the magnetic conductive block 2 12 is not installed on the stepped portion on the left side of the electromagnetic base 1. Multiple groups of extrusion mechanisms 2 are installed in the fixed groove 14 on the left side of the upper end of the electromagnetic base 1.

[0025] By loosening the fixing nut 24, the extrusion seat 21 can be driven to move along the fixing groove 14. After the extrusion seat 21 moves to a suitable position, the fixing nut 24 is tightened to complete the adjustment of the position of the extrusion mechanism 2, thereby improving the practicality of the device.

[0026] In this embodiment, the rail 10 is placed on the magnetic block 11 on the left side so that the inner side of the top of the rail 10 rests on the extrusion limit block 26. Then, the extrusion bolt 22 is rotated so that the end of the extrusion bolt 22 contacts the top of the rail 10. The rail 10 can be fixed by cooperating with the magnetic block 11. At this time, the waist position of the rail 10 can be milled, which improves the applicability of the device and can better meet the use requirements. At this time, the magnetic block 11 on the right side cooperates with the magnetic block 2 12 to fix the other rails 10, and the top of the rail 10 on this side can be ground.

[0027] Example 3: Please refer to Figures 4-5 A fixing device for rail processing is different from the first embodiment in that no magnetic conductive blocks 12 are installed on the stepped portions on both sides of the electromagnetic base 1, and multiple sets of extrusion mechanisms 2 are installed in the fixing grooves 14 on both sides of the upper end of the electromagnetic base 1.

[0028] In this embodiment, multiple sets of rails 10 can be fixed on both sides of the electromagnetic base 1 through the extrusion mechanism 2 on both sides in conjunction with the magnetic conductive block 11, so that the waist positions of the rails 10 on both sides can be milled at the same time.

[0029] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are merely relational words determined for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention, and cannot be understood as a limitation on the present invention.

Claims

1. A fixing device for rail processing, characterized in that: include: An electromagnetic base (1), wherein a pair of stepped portions are provided at both sides of the upper end of the electromagnetic base (1), a first magnetic conductive block (11) is magnetically mounted on the horizontal end surface of each of the stepped portions, and a second magnetic conductive block (12) is mounted on the vertical end surface of each of the stepped portions via a connecting assembly; The connecting assembly comprises a countersunk hole (13) provided on the second magnetic conductive block (12), a countersunk bolt is installed in the countersunk hole (13), and the end of the countersunk bolt is threadedly connected to the electromagnetic base (1).

2. A rail processing fixing device according to claim 1, characterized in that: The cross section of the electromagnetic base (1) is in the shape of a "convex" character.

3. A rail processing fixing device according to claim 2, characterized in that: A pair of fixing grooves (14) are also provided at the upper end of the electromagnetic base (1).

4. A rail processing fixing device according to claim 3, characterized in that: The fixing groove (14) is T-shaped.

5. The fixing device for rail processing according to claim 4, characterized in that: The invention also includes an extrusion mechanism (2), wherein the extrusion mechanism (2) includes a plurality of extrusion seats (21), a fixed slider (25) is slidably installed at a position corresponding to each extrusion seat (21) in the fixed groove (14), a fixed screw (23) is installed on the upper end of the fixed slider (25), the end of the fixed screw (23) passes through the extrusion seat (21) and is threadedly screwed with a fixed nut (24), and an extrusion bolt (22) is also threadedly screwed on the upper end of the extrusion seat (21).

6. A fixing device for rail processing according to claim 5, characterized in that: The extrusion seat (21) is in a "Z" shape.

7. A rail processing fixing device according to claim 6, characterized in that: An extrusion limiting block (26) is also installed on one side of the extrusion seat (21) close to the rail (10).

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