On-site windowing arc machining mechanism
By setting a rotary shaft and a limit cylinder between the slide table and the power spindle box, the problems of low precision and low efficiency in the machining of circular arcs during the modification of EMU or high-speed rail carriages are solved, and efficient and automated circular arc machining is realized.
Patent Information
- Application Number
- CN202520367900.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing technologies for modifying bullet trains or high-speed rail carriages have limited precision and low efficiency in machining the rounded corners of rectangular windows, making it difficult to meet the needs of mass window opening.
A rotary shaft is installed between the slide table and the power spindle box. The milling cutter moves in an arc around the rotary shaft through the rotary drive unit. The position is locked by the limit cylinder and the telescopic pin, which ensures the accuracy and automation of the arc machining.
It improves the accuracy and efficiency of arc processing, meets the needs of batch window opening, and realizes the improvement of automation.
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Figure CN223876142U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machining equipment technical field especially relates to a on -the -spot windowing arc machining mechanism. BACKGROUND
[0002] In the modification of motor car or high speed train carriage, sometimes the side wall of the carriage needs to be opened on site, and a profile groove needs to be milled at the opening position during the opening process, and then the middle waste can be removed. The corners of the rectangular window need to be rounded, and the existing arc processing needs to be manually processed by electric tools, which not only has limited processing precision, but also has low processing efficiency, and is difficult to meet the demand of batch windowing. SUMMARY
[0003] The utility model solves the technical problem that the existing processing form has limited precision and low efficiency, and is difficult to meet the demand of batch windowing.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a on -the -spot windowing arc machining mechanism, including mainframe, mainframe connection in fixed part, the outer periphery of mainframe is equipped with sliding table, the side end of sliding table away from mainframe is equipped with locating seat, one end of locating seat is equipped with upper bearing position, the end of sliding table away from locating seat is equipped with lower bearing seat, the upper bearing position and lower bearing seat are equipped with the rotating shaft, the radial side of rotating shaft is connected with power spindle box, and the power output end of power spindle box is equipped with milling cutter.
[0005] Further optimize the technical scheme, the end of locating seat away from rotating shaft is equipped with rotary drive part, and the power output end of rotary drive part is connected with rotating shaft through the transmission of the coupling.
[0006] Further optimize the technical scheme, the limiting cylinder is equipped in the locating seat, the upper part of limiting cylinder is fixed with the locating seat, the other end of limiting cylinder stretches out the telescopic pin downward, the top end surface of rotating shaft is equipped with limiting hole, the telescopic pin is inserted between the locating seat and limiting hole, and the limiting hole is arranged on the side of upper bearing position.
[0007] Further optimize the technical scheme, the bottom of rotating shaft is equipped with locating shaft, and the locating shaft is coaxially arranged with rotating shaft, and the locating shaft is arranged between the locating shaft and sliding table.
[0008] Further optimize the technical scheme, the sliding table includes X direction sliding table and Y direction sliding table, X direction sliding table and Y direction sliding table respectively slidingly connected with Z direction sliding plate, main rack is rectangle, two adjacent sides of main rack are respectively provided with X direction rail and Y direction rail along length direction, X direction rail and Y direction rail are parallel with the surface to be processed, X direction sliding table is slidingly connected in X direction rail, positioning seat, lower bearing seat and positioning lifting device are respectively fixed in Z direction sliding plate in X direction sliding table, the end of telescopic rod of positioning lifting device is connected with positioning shaft through cantilever.
[0009] Compared with the prior art, the utility model has the advantages of:
[0010] 1、In the sliding table and power spindle box between setting rotary shaft, can make power spindle box one end milling cutter around rotary shaft arc shape removes milling;
[0011] 2、Through setting rotary drive part, can realize the independent arc movement of power spindle box in circular arc processing, improved the degree of automation;
[0012] 3、Through the telescopic pin of setting can realize the position locking of rotary shaft and positioning seat, avoid non-circular arc processing stage rotary shaft rotation, reach the effect of position locking. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a kind of structure schematic view of one side of the bottom of on-site windowing circular arc processing mechanism;
[0014] Figure 2 It is a sectional view at rotary shaft in a kind of on-site windowing circular arc processing mechanism;
[0015] Figure 3 It is Figure 2 Local enlarged schematic view of place A in;
[0016] Figure 4 It is structure schematic view at rotary shaft;
[0017] Figure 5 It is the explosion schematic view of a kind of on-site windowing circular arc processing mechanism at rotary shaft.
[0018] In the drawing: 1, fixed part;2, main rack;22, Y direction rail;23, X direction rail;3, X direction sliding table;31, positioning seat;311, upper bearing position;32, lower bearing seat;33, limit cylinder;331, telescopic pin;4, Y direction sliding table;5, power spindle box;51, milling cutter;6, Z direction sliding plate;7, rotary shaft;71, rotary drive part;72, coupling;73, limit hole;8, positioning shaft;9, positioning lifting device;91, cantilever. DETAILED DESCRIPTION
[0019] To make the purpose, technical scheme and advantages of the present application more clear, specific embodiments will be described in detail below with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.
[0020] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like in the present application indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0021] In combination with Figures 1 to 5 As shown in the drawings, a kind of on-site windowing arc processing mechanism, including mainframe 2, mainframe 2 is connected in fixed part 1, fixed part 1 is used to be fixed with the face to be processed, mainframe 2 is rectangle, the outer periphery of mainframe 2 is equipped with sliding table, two sides of mainframe 2 adjacent respectively along length direction are equipped with X direction track 23 and Y direction track 22, sliding table includes X direction sliding table 3 and Y direction sliding table 4, X direction sliding table 3 is slidably connected in X direction track 23, Y direction sliding table 4 is slidably connected in Y direction track 22,
[0022] X direction track 23 and Y direction track 22 are equipped with power screw respectively, X direction sliding table 3 and Y direction sliding table 4 are respectively realized self straight line movement by corresponding screw.X direction sliding table 3 and Y direction sliding table 4 are slidably connected with Z direction sliding plate 6 respectively, Z direction sliding plate 6 is respectively connected with power spindle box 5, power output end of power spindle box 5 is equipped with milling cutter 51, the sliding direction of Z direction sliding plate 6 is perpendicular to the plane to be processed, and the adjustment of processing depth is realized by the Z direction movement of Z direction sliding plate 6.
[0023] X direction track 23 and Y direction track 22 are parallel to the face to be processed.When using, X direction and Y direction can be realized along straight line milling groove windowing simultaneously.
[0024] In combination with Figures 3 to 5As shown, the side end of the sliding table away from the main frame 2 is provided with a positioning seat 31, one end of the positioning seat 31 is provided with an upper bearing position 311, the end of the sliding table away from the positioning seat 31 is provided with a lower bearing seat 32, a hollow rotating shaft 7 is arranged between the upper bearing position 311 and the lower bearing seat 32, the end of the positioning seat 31 away from the rotating shaft 7 is provided with a rotating drive part 71, and the rotating drive part 71 is a rotary motor with a speed reducer, and the power output end of the rotating drive part 71 is in transmission connection with the rotating shaft 7 through the arranged shaft coupling 72. In use, the rotating drive part 71 is started to drive the rotating shaft 7 to rotate around the axis, and the power spindle box 5 in the X-direction sliding table 3 is connected to the radial side of the rotating shaft 7, so that the milling cutter 51 can be milled along the arc-shaped route of the rotating shaft 7.
[0025] The bottom of the rotating shaft 7 is provided with a positioning shaft 8, the positioning shaft 8 is coaxially arranged with the rotating shaft 7, and the positioning shaft 8 is provided with a positioning lifting device 9 between the sliding table. The end of the telescopic rod of the positioning lifting device 9 is connected with the positioning shaft 8 through the cantilever 91. The positioning seat 31, the lower bearing seat 32 and the positioning lifting device 9 are fixed in the Z-direction sliding plate 6 in the X-direction sliding table 3. In use, the positioning lifting device 9 is controlled to be elongated downwardly, so that the positioning shaft 8 penetrates into the center of the circular arc machining route, and the center can be directly drilled in the to-be-machined side wall in advance or a hole is previously opened in the tooling plate. The positioning of the positioning shaft 8 can ensure the accuracy of the arc center during the arc-shaped route milling of the milling cutter 51.
[0026] The positioning seat 31 is provided with a limiting cylinder 33, one end of the upper part of the limiting cylinder 33 is fixed with the positioning seat 31, the other end is provided with a telescopic pin 331 which is elongated downwardly, the top end face of the rotating shaft 7 is provided with a limiting hole 73, the telescopic pin 331 is inserted between the positioning seat 31 and the limiting hole 73, and the limiting hole 73 is arranged on one side of the upper bearing position 311. The telescopic pin 331 can realize the position locking of the rotating shaft 7 and the positioning seat 31, so that the rotating shaft 7 is prevented from rotating during the non-circular arc machining stage.
[0027] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
Claims
1. A field windowing arc machining mechanism comprising a main frame (2), characterized in that: The main frame (2) is connected in the fixed part (1), the outer periphery of the main frame (2) is provided with a sliding table, the side end of the sliding table away from the main frame (2) is provided with a positioning seat (31), one end of the positioning seat (31) is provided with an upper bearing position (311), the end of the sliding table away from the positioning seat (31) is provided with a lower bearing seat (32), the rotary shaft (7) is arranged between the upper bearing position (311) and the lower bearing seat (32), the radial side of the rotary shaft (7) is connected with a power spindle box (5), and the power output end of the power spindle box (5) is provided with a milling cutter (51).
2. The field opening arc machining mechanism according to claim 1, characterized by: The end of the positioning seat (31) away from the rotary shaft (7) is provided with a rotary drive part (71), and the power output end of the rotary drive part (71) is connected with the rotary shaft (7) through the coupling (72).
3. The field opening arc machining mechanism according to claim 2, characterized by: The positioning seat (31) is provided with a limiting cylinder (33), one end of the upper part of the limiting cylinder (33) is fixed with the positioning seat (31), the other end of the limiting cylinder (33) is provided with a telescopic pin (331) which extends downward, the top end surface of the rotary shaft (7) is provided with a limiting hole (73), the telescopic pin (331) is inserted between the positioning seat (31) and the limiting hole (73), and the limiting hole (73) is arranged on one side of the upper bearing position (311).
4. The field opening arc machining mechanism according to claim 2, characterized by: The bottom of the rotary shaft (7) is provided with a positioning shaft (8), the positioning shaft (8) is coaxially arranged with the rotary shaft (7), and the positioning shaft (8) and the sliding table are provided with a positioning lifting device (9).
5. The field opening arc machining mechanism according to claim 4, characterized by: The sliding table comprises an X-direction sliding table (3) and a Y-direction sliding table (4), Z-direction sliding plates (6) are respectively connected in the X-direction sliding table (3) and the Y-direction sliding table (4), the main frame (2) is rectangular, X-direction rails (23) and Y-direction rails (22) are respectively arranged in the length direction of two adjacent sides of the main frame (2), the X-direction rails (23) and the Y-direction rails (22) are parallel to the surface to be machined, the X-direction sliding table (3) is connected in the X-direction rail (23), the positioning seat (31), the lower bearing seat (32) and the positioning lifting device (9) are respectively fixed in the Z-direction sliding plate (6) in the X-direction sliding table (3), and the telescopic rod end of the positioning lifting device (9) is connected with the positioning shaft (8) through a cantilever (91).