CN115138897A - Automatic chamfering device for turnout steel rail piece - Google Patents
Automatic chamfering device for turnout steel rail piece Download PDFInfo
- Publication number
- CN115138897A CN115138897A CN202210711360.7A CN202210711360A CN115138897A CN 115138897 A CN115138897 A CN 115138897A CN 202210711360 A CN202210711360 A CN 202210711360A CN 115138897 A CN115138897 A CN 115138897A
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- China
- Prior art keywords
- clamping fixture
- chamfering
- inner clamping
- screw rod
- steel rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses an automatic chamfering device for turnout steel rail pieces, which comprises an inner clamping fixture and an outer clamping fixture, wherein the left end and the right end of the upper sides of the inner clamping fixture and the outer clamping fixture are respectively connected with a connecting rod, the upper side parts of the inner clamping fixture and the outer clamping fixture are connected with a clamping adjusting mechanism at the middle positions of the two connecting rods, the lower end edges of the inner clamping fixture and the outer clamping fixture are respectively provided with a plurality of guide rollers, after the inner clamping fixture and the outer clamping fixture clamp the steel rail, the wheel surfaces of the guide rollers at the two sides are clung to the rail waist of the steel rail and are in rolling contact, the outer side of the inner clamping fixture is provided with a connecting seat, and the connecting seat is provided with an electric chamfering mechanism capable of adjusting chamfering feeding displacement. The chamfering machine has a simple structure, is convenient to operate, can be used for chamfering the machined surface by field operators in a machining process, does not need professional operators, can effectively ensure the product quality, is standard and uniform, and is particularly suitable for chamfering the edges of the machined surfaces of various steel rail parts for railway turnouts.
Description
Technical Field
The invention relates to the technical field of steel rail chamfering, in particular to an automatic chamfering device for turnout steel rail parts, which is suitable for chamfering edges of various steel rail part processing surfaces for railway turnouts.
Background
The general turnout steel rail pieces needing to be processed all belong to easily-damaged rail pieces, and the processing of the steel rail per se is a weakening of the overall structural strength of the steel rail. In addition, in order to ensure the driving safety, strict industry standard limitation is generally applied to the processing surface of the steel rail piece. With the rapid development of railway industry in China, the requirements on the quality of turnout products are continuously improved. How to improve the processing quality of turnout products is the focus of attention of the whole turnout industry. Almost every steel rail machined part needs to be polished as an inevitable edge in the machining and manufacturing process. At present, the manual grinding mode is mainly adopted, the precision requirement of chamfering is difficult to guarantee, meanwhile, the dust pollution on an operation site is serious, the operation site environment and the body health of an operator are seriously influenced, particularly, the phenomenon of milling a long-length switch rail type rail piece is particularly obvious, and the great influence is generated on the machining quality of the rail piece. The edge is processed by adopting a milling mode, so that the adverse effect can be greatly improved, and the difficult problem to be solved is how to stably clamp and realize automatic chamfering.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an automatic chamfering device for a turnout steel rail piece, which is suitable for chamfering the edges of the processing surfaces of various steel rail pieces for a railway turnout.
The technical scheme adopted by the invention for realizing the technical effects is as follows:
the utility model provides an automatic chamfering device of switch steel rail spare, includes relative setting, but the adjustable clamping space is in order to adapt to the interior clamping fixture and the outer clamping fixture of different specification rails, interior clamping fixture with both ends are connected with the connecting rod respectively about the upside of outer clamping fixture, two the intermediate position department of connecting rod, interior clamping fixture with the upside position that the outer clamping fixture pressed from both sides is connected with presss from both sides tight adjustment mechanism, the lower extreme edge of interior clamping fixture with the outer clamping fixture is equipped with a plurality of guide rollers respectively interior clamping fixture with the outer clamping fixture presss from both sides behind the rail, both sides the wheel face of guide roller hugs closely and rolling contact with the rail waist of rail, the outside of interior clamping fixture is equipped with the connecting seat, be equipped with the electronic chamfer mechanism that adjustable chamfer fed the displacement on the connecting seat.
Preferably, in the above automatic chamfering device for a turnout rail member, the clamping adjustment mechanism includes a stepping screw, a screw nut sleeve and a rotating hand wheel, an assembly hole is formed in the outer clamping fixture, the screw nut sleeve is assembled and fixed in the assembly hole, one end of the stepping screw is connected with the inner clamping fixture through a bearing, the other end of the stepping screw passes through the screw nut sleeve and is connected with the rotating hand wheel, and the stepping screw is in threaded transmission connection with the screw nut sleeve.
Preferably, in the automatic chamfering device for turnout steel rail members, a movable positioning sleeve is arranged on a rod section of the connecting rod between the inner clamping fixture and the outer clamping fixture, one end of the positioning sleeve is fixedly connected with the outer clamping fixture, and the other end of the positioning sleeve has a spacing distance from the inner clamping fixture in a clamping state.
Preferably, in foretell switch rail spare automatic chamfering device, electronic chamfering mechanism includes that buncher, cover establish location hoop cover on the buncher, establish be used for the locking on the location hoop cover the locking control handle of buncher's current chamfer feed position, and with the arbor that the buncher transmission is connected, the arbor passes interior opening on the tight fixture of clamp, through installing epaxial chamfer cutter carries out the chamfer to treating the chamfer arris of rail, location hoop cover with connecting seat fixed connection.
Preferably, in the above automatic chamfering device for turnout rail members, the two connecting seats are oppositely arranged, and two sides of the positioning hoop are respectively and fixedly connected with the connecting seat on the corresponding side through the fixing shaft on the corresponding side.
Preferably, in the automatic chamfering device for a turnout rail member, a head positioning support is fixed to one side of the opening of the inner clamping fixture, which corresponds to the speed regulating motor, and after the chamfering feed displacement of the speed regulating motor is adjusted to a proper position, the head of the speed regulating motor is connected with the head positioning support in an adaptive manner.
The invention has the beneficial effects that: the automatic chamfering device for the turnout steel rail piece is simple in structure and convenient to operate, field operators can perform chamfering on the machined surface in a machining process without professional operators, the existing polishing process can be eliminated, the labor intensity is reduced, the efficiency is improved, compared with the existing manual polishing mode, the device is milled, the product quality can be effectively guaranteed, the standardization and the unification are achieved, and the automatic chamfering device is particularly suitable for chamfering the machined surface edges of various steel rail pieces for railway turnouts.
Drawings
FIG. 1 is a side view of the present invention;
fig. 2 is a perspective view of the present invention.
Detailed Description
For a further understanding of the invention, reference will now be made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:
in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1 and 2, as shown in the drawings, an embodiment of the present invention provides an automatic chamfering device for a turnout rail member, which includes an inner clamping fixture 1 and an outer clamping fixture 2 that are oppositely arranged and can adjust clamping space to adapt to rails 100 of different specifications. The left end and the right end of the upper sides of the inner clamping fixture 1 and the outer clamping fixture 2 are respectively connected with a connecting rod 4, the upper side parts of the inner clamping fixture 1 and the outer clamping fixture 2 are connected with a clamping adjusting mechanism 3 at the middle position of the two connecting rods 4, the relative distance between the inner clamping fixture 1 and the outer clamping fixture 2 can be manually adjusted through the clamping adjusting mechanism 3, and the steel rail 100 can be clamped or loosened. In order to improve the flexibility of the device in moving along the steel rail 100, the lower ends of the inner clamping fixture 1 and the outer clamping fixture 2 are respectively provided with a plurality of guide rollers 5, and after the inner clamping fixture 1 and the outer clamping fixture 2 clamp the steel rail 100, the wheel surfaces of the guide rollers 5 on two sides are tightly attached to the rail web of the steel rail 100 and are in rolling contact with the rail web, so that the device can flexibly and conveniently move along the length direction of the steel rail 100, and chamfering of the edge on the steel rail 100 is realized. Specifically, the outer side of the inner clamping fixture 1 is provided with a connecting seat 6, the connecting seat 6 is provided with an electric chamfering mechanism 7, and the electric chamfering mechanism 7 can adjust chamfering feeding displacement to enable a chamfering tool to be adjusted to a proper position needing chamfering. The rotating speed of the electric chamfering mechanism 7 can be adjusted according to actual requirements.
Further, in a preferred embodiment of the present invention, as shown in fig. 2, the clamping adjustment mechanism 3 includes a stepper lead screw 31, a lead screw nut sleeve, and a turning hand wheel 32. The outer clamping fixture 2 is provided with an assembly hole, a screw rod nut sleeve is assembled and fixed in the assembly hole, one end of a stepping screw rod 31 is connected with the inner clamping fixture 1 through a bearing, and the other end of the stepping screw rod passes through the screw rod nut sleeve and is connected with a rotating hand wheel 32. Specifically, the stepping screw rod 31 is in threaded transmission connection with the screw rod nut sleeve, when the rotating hand wheel 32 is manually rotated by hand, the rotating hand wheel 32 drives the stepping screw rod 31 to rotate, and then under the driving action of threaded connection, the stepping screw rod 31 drives the screw rod nut sleeve to move in the forward/reverse directions, so that the outer clamping fixture 2 is driven to move close to/away from the inner clamping fixture 1, and the clamping space of the inner clamping fixture 1 and the outer clamping fixture 2 is adjusted to adapt to the steel rails 100 of different specifications.
Further, in a preferred embodiment of the invention, as shown in fig. 2, the connecting rod 4 is provided with a movable positioning sleeve 41 on the rod section between the inner clamping fixture 1 and the outer clamping fixture 2, which positioning sleeve 41 is fixedly connected at one end to the outer clamping fixture 2 and at the other end at a distance from the inner clamping fixture 1 in the clamped state. One end of the connecting rod 4 is fixedly connected with the inner clamping fixture 1, the other end of the connecting rod movably penetrates through the outer clamping fixture 2, when the relative distance between the inner clamping fixture 1 and the outer clamping fixture 2 is adjusted, one end of the connecting rod 4 is arranged in the positioning sleeve 41, and the positioning sleeve 41 plays a role in supporting and stabilizing the connecting rod 4. In order to prevent the outer clamping fixture 2 from being released from the outer end of the connecting rod 4 during the adjustment process away from the inner clamping fixture 1, the outer end of the connecting rod 4 is provided with an anti-release limiting ring.
Further, in the preferred embodiment of the present invention, as shown in fig. 2, the electric chamfering mechanism 7 includes an adjustable speed motor 71, a positioning hoop 72 sleeved on the adjustable speed motor 71, a locking control handle 73 provided on the positioning hoop 72 for locking the current chamfering feeding position of the adjustable speed motor 71, and a knife shaft 74 in transmission connection with the adjustable speed motor 71. The cutter shaft 74 penetrates through an opening in the inner clamping fixture 1, a chamfering tool mounted on the cutter shaft 74 is used for chamfering an edge to be chamfered of the steel rail 100, and the positioning hoop sleeve 72 is fixedly connected with the connecting base 6. When the chamfering feeding position of the speed regulating motor 71 needs to be adjusted, the locking control handle 73 is loosened to enable the speed regulating motor 71 to move to a proper position in the positioning hoop 72, and then the locking control handle 73 is rotated to enable the locking control handle 73 to lock the speed regulating motor 71 downwards.
Further, in the preferred embodiment of the present invention, as shown in fig. 2, the connecting seat 6 includes two oppositely disposed parts, wherein two sides of the positioning hoop 72 are fixedly connected to the corresponding connecting seat 6 through the corresponding fixing shaft 75. In order to increase the chamfering stability, as shown in fig. 2, the opening of the inner clamping fixture 1 is fixed with a handpiece positioning and supporting bracket 8 at one side corresponding to the speed regulating motor 71, and after the chamfering feeding displacement of the speed regulating motor 71 is adjusted to a proper position, the handpiece of the speed regulating motor 71 is connected with the handpiece positioning and supporting bracket 8 in a matching way, so that the handpiece of the speed regulating motor 71 can be supported. After chamfering and cutting are finished, the clamping adjusting mechanism 3 is adjusted, the inner clamping fixture 1 and the outer clamping fixture 2 are loosened from the steel rail 100, and then the automatic chamfering device for the turnout steel rail piece can be taken down.
In conclusion, the automatic chamfering device for the turnout steel rail piece is simple in structure and convenient to operate, field operators can perform chamfering on the machined surface in a machining process, professional operators are not needed, the existing grinding process can be eliminated, the labor intensity is reduced, the efficiency is improved, compared with the existing manual grinding mode, the automatic chamfering device for the turnout steel rail piece is used for milling, the product quality can be effectively guaranteed, the standardization and the unification are achieved, and the automatic chamfering device is particularly suitable for chamfering edges of various machined surfaces of steel rail pieces for railway turnouts. This automatic chamfering device aims at realizing the automatic chamfering of different rail machined surfaces to guarantee the standard chamfering of final product, and then improve the machine tooling quality of switch rail spare.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (6)
1. The automatic chamfering device is characterized by comprising an inner clamping fixture (1) and an outer clamping fixture (2) which are oppositely arranged, wherein the clamping space can be adjusted to adapt to steel rails (100) of different specifications, the left end and the right end of the upper side of each of the inner clamping fixture (1) and the outer clamping fixture (2) are respectively connected with a connecting rod (4), the middle positions of the connecting rods (4) are arranged, the upper side parts of the inner clamping fixture (1) and the outer clamping fixture (2) are connected with a clamping adjusting mechanism (3), the lower end edges of the inner clamping fixture (1) and the outer clamping fixture (2) are respectively provided with a plurality of guide rollers (5), wheel faces of the guide rollers (5) on two sides are tightly attached to rail waists of the steel rails (100) and are in rolling contact with the rail waists of the steel rails (100) after the inner clamping fixture (1) and the outer clamping fixture (2) clamp the steel rails (100), a connecting seat (6) is arranged on the outer side of the inner clamping fixture (1), and an electric chamfering mechanism (7) capable of adjusting chamfering displacement is arranged on the connecting seat (6).
2. The automatic chamfering device for turnout steel rail members according to claim 1, wherein the clamping adjusting mechanism (3) comprises a stepping screw rod (31), a screw rod nut sleeve and a rotating hand wheel (32), an assembly hole is formed in the outer clamping fixture (2), the screw rod nut sleeve is assembled and fixed in the assembly hole, one end of the stepping screw rod (31) is connected with the inner clamping fixture (1) through a bearing, the other end of the stepping screw rod (31) penetrates through the screw rod nut sleeve and is connected with the rotating hand wheel (32), and the stepping screw rod (31) is in threaded transmission connection with the screw rod nut sleeve.
3. The automatic chamfering device for turnout rail pieces according to claim 1, wherein the connecting rod (4) is provided with a movable positioning sleeve (41) on the rod section between the inner clamping fixture (1) and the outer clamping fixture (2), one end of the positioning sleeve (41) is fixedly connected with the outer clamping fixture (2), and the other end of the positioning sleeve has a spacing distance from the inner clamping fixture (1) in a clamped state.
4. The automatic chamfering device for turnout rail members according to claim 1, wherein the electric chamfering mechanism (7) comprises a speed regulating motor (71), a positioning hoop sleeve (72) sleeved on the speed regulating motor (71), a locking control handle (73) arranged on the positioning hoop sleeve (72) and used for locking the current chamfering feed position of the speed regulating motor (71), and a cutter shaft (74) in transmission connection with the speed regulating motor (71), wherein the cutter shaft (74) penetrates through an opening on the inner clamping fixture (1), the chamfering edge to be chamfered of a rail (100) is chamfered through a chamfering cutter arranged on the cutter shaft (74), and the positioning hoop sleeve (72) is fixedly connected with the connecting seat (6).
5. The automatic chamfering device for turnout rail pieces according to claim 4, wherein the connecting seat (6) comprises two oppositely arranged parts, and two sides of the positioning hoop sleeve (72) are fixedly connected with the corresponding connecting seat (6) through the corresponding fixed shaft (75).
6. The automatic chamfering device for turnout rail pieces according to claim 4, wherein a nose positioning and supporting bracket (8) is fixed on one side of the opening of the inner clamping fixture (1) corresponding to the speed regulating motor (71), and after the chamfering feed displacement of the speed regulating motor (71) is adjusted to a proper position, the nose of the speed regulating motor (71) is in adaptive connection with the nose positioning and supporting bracket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711360.7A CN115138897A (en) | 2022-06-22 | 2022-06-22 | Automatic chamfering device for turnout steel rail piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711360.7A CN115138897A (en) | 2022-06-22 | 2022-06-22 | Automatic chamfering device for turnout steel rail piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115138897A true CN115138897A (en) | 2022-10-04 |
Family
ID=83407584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210711360.7A Pending CN115138897A (en) | 2022-06-22 | 2022-06-22 | Automatic chamfering device for turnout steel rail piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115138897A (en) |
-
2022
- 2022-06-22 CN CN202210711360.7A patent/CN115138897A/en active Pending
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