阅读说明：本技术 一种轨道交通垫片打磨工具 (Rail transit gasket grinding tool ) 是由 沙金洋 李保华 树世轩 张志佳 胡亮 于 2021-08-24 设计创作，主要内容包括：本发明涉及交通垫片打磨技术领域,具体为一种轨道交通垫片打磨工具,包括打磨台,打磨台的上端设置有左右对称的一对安装内腔,打磨台的中间设置有驱动电机驱动的主动齿轮,安装内腔的下端竖直转动插接有定位柱,定位柱的上端套接有内磨环,内磨环的外侧套接有垫片工件；有益效果为：通过设置齿链和齿轮的配合传动,实现圆环状垫片同时进行打磨的目的,减少了垫片的工位转环,大大提高了打磨的效率和加工的精度,从而提高垫片的质量；通过设置伸缩杆驱动的压条,在固定工件的同时,利用压块实现对产生的倒刺进行清理,从而避免二次加工,进一步提高了打磨加工的效率。(The invention relates to the technical field of traffic gasket grinding, in particular to a rail traffic gasket grinding tool which comprises a grinding table, wherein the upper end of the grinding table is provided with a pair of bilaterally symmetrical installation inner cavities, the middle of the grinding table is provided with a driving gear driven by a driving motor, the lower end of each installation inner cavity is vertically and rotatably inserted with a positioning column, the upper end of the positioning column is sleeved with an inner grinding ring, and the outer side of the inner grinding ring is sleeved with a gasket workpiece; the beneficial effects are that: through the arrangement of the matching transmission of the toothed chain and the gear, the purpose of polishing the annular gasket at the same time is realized, the number of station rotating rings of the gasket is reduced, the polishing efficiency and the processing precision are greatly improved, and the quality of the gasket is improved; through setting up telescopic link driven layering, when fixed work piece, utilize the briquetting to realize clearing up the barb that produces to avoid secondary operation, further improved the efficiency of processing of polishing.)

1. The utility model provides a rail transit gasket grinding instrument, includes grinding table (1), its characterized in that: the upper end of the polishing platform (1) is provided with a pair of bilaterally symmetrical installation inner cavities (5), the middle of the polishing platform (1) is provided with a driving gear (4) driven by a driving motor (3), the lower end of the installation inner cavity (5) is vertically rotated and inserted with a positioning column (21), the upper end of the positioning column (21) is sleeved with an inner grinding ring (17), the outer side of the inner grinding ring (17) is sleeved with a gasket workpiece (25), the outer side of the gasket workpiece (25) is rotatably sleeved with a polishing ring (15), the upper end of the gasket workpiece (25) is provided with a pressing strip (8) which is driven by a telescopic rod (2) and is provided with a first pressing block (12) and a second pressing block (13), the outer side of the polishing ring (15) is meshed and connected with a toothed chain (11), the toothed chain (11) rotates in a closed loop along the bilaterally symmetrical installation inner cavities (5), and two sides of the driving gear (4) are provided with a pair of driven gears (10), the lower end of the driven gear (10) is connected with a linkage gear (23) through a transmission gear (20) in a meshing manner to drive the positioning column (21) to rotate.

2. The rail transit pad grinder of claim 1, wherein: the lower extreme of installation inner chamber (5) is provided with brace table (6), be provided with downwardly extending's transmission inner chamber (7) in the middle of the up end of brace table (6), reference column (21) rotate to be installed in transmission inner chamber (7).

3. The rail transit pad grinder of claim 1, wherein: the outer wall of the circular arc of the positioning column (21) is provided with a pair of first lateral strips (27) which are bilaterally symmetrical, the inner grinding ring (17) is sleeved on the positioning column (21) and the first lateral strips (27), the lower end of the inner grinding ring (17) is pressed on the supporting table (6), and the outer wall of the circular arc of the inner grinding ring (17) is attached to the inner wall of the circular arc of the gasket workpiece (25).

4. The rail transit pad grinder of claim 1, wherein: the upper end of the pressing strip (8) is connected with the telescopic rod (2), the lower end of the pressing strip (8) and the positions, corresponding to the inner wall and the outer wall of the gasket workpiece (25), of the pressing strip are respectively provided with a first pressing block (12) and a second pressing block (13), and the gasket workpiece (25) is pressed between the first pressing block (12) and the supporting table (6).

5. The rail transit pad grinder of claim 1, wherein: the inner wall of the lower end of the mounting inner cavity (5) is provided with a circular rotary groove (18), the lower end of the polishing ring (15) is provided with a rotary ring (14) which is pressed in the rotary groove (18) in a rotating mode, the outer wall of the polishing ring (15) is provided with a gear ring (16), and the gear ring (16) is meshed with the gear chain (11).

6. The rail transit pad grinder of claim 1, wherein: the upper end of the positioning column (21) is provided with a jack (26), a limiting slot (29) is formed in the jack (26), the lower end of the pressing strip (8) is provided with an inserting rod (9), the arc outer wall of the lower end of the inserting rod (9) is provided with a second side strip (30), and the inserting rod (9) and the second side strip (30) are inserted into the jack (26) and the limiting slot (29) in a sliding mode.

7. The rail transit pad grinder of claim 6, wherein: the lower extreme of reference column (21) is provided with bull stick (28), the fixed cover of the lower extreme of bull stick (28) has connect linkage gear (23), the upper end of inserted bar (9) and the lower extreme of bull stick (28) all rotate respectively through bearing (22) and install in layering (8) and transmission inner chamber (7).

8. The rail transit pad grinder of claim 1, wherein: the driven gear (10) is clamped between the closed-loop toothed chains (11) in a meshed mode, the lower end of the driven gear (10) is connected with a group of transmission gears (20), a support (19) is arranged between the driven gear (10) and the linkage gear (23), and the transmission gears (20) are rotatably installed on the support (19).

9. The rail transit pad grinder of claim 1, wherein: the inner wall of the grinding ring (15) is bonded with a wear-resistant layer (24), the wear-resistant layer (24) is attached to the arc outer wall of the gasket workpiece (25), the second pressing block (13) is pressed at the upper end of a gap between the gasket workpiece (25) and the wear-resistant layer (24), and the first pressing block (12) is pressed at the upper end of a gap between the inner grinding ring (17) and the inner wall of the gasket workpiece (25).

10. The rail transit pad grinder of claim 1, wherein: the grinding machine is characterized in that the driving motor (3) is vertically installed in the middle of the upper end of the grinding table (1), a driving gear (4) connected with the upper end of the driving motor (3) in a rotating mode is meshed with the toothed chain (11), and the outer diameter of the driving gear (4) is larger than that of the driven gear (10).

Technical Field

The invention relates to the technical field of traffic gasket grinding, in particular to a rail traffic gasket grinding tool.

Background

Most of the existing gaskets for rail transit are circular, and the precision requirement on the gaskets is high in order to improve the connection strength and traffic safety of rail transit.

To the annular gasket of circle, the precision on the interior excircle cambered surface is direct to its connection effect production influence, and lacks the device of polishing simultaneously to the inner and outer wall of ring among the prior art to the efficiency of polishing that causes the gasket is lower, simultaneously at the in-process of polishing, can produce the barb on the sideline of terminal surface from top to bottom, still need reject the barb again after polishing, greatly reduced the machining efficiency of gasket.

Therefore, the rail transit gasket grinding tool is provided to solve the problem of efficiency of grinding of the annular gasket.

Disclosure of Invention

The invention aims to provide a rail transit gasket grinding tool to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a rail transit gasket grinding tool, includes the platform of polishing, the upper end of platform of polishing is provided with a pair of installation inner chamber of bilateral symmetry, and the centre of platform of polishing is provided with driving motor driven driving gear, the vertical layering that rotates of lower extreme of installation inner chamber is pegged graft and is had the reference column, the upper end of reference column has cup jointed interior grinding ring, the gasket work piece has been cup jointed in the outside of interior grinding ring, the outside of gasket work piece is rotated and has been cup jointed the grinding ring, and the upper end of gasket work piece is provided with the layering that has first briquetting and second briquetting of telescopic link drive, the outside meshing of grinding ring is connected with the toothed chain, the closed loop rotation of installation inner chamber of toothed chain along bilateral symmetry, the both sides of driving gear are provided with a pair of driven gear, driven gear's lower extreme is connected through the meshing of drive gear and linkage gear and is driven the reference column and is rotated.

Preferably, the lower extreme of installation inner chamber is provided with the brace table, be provided with downwardly extending's transmission inner chamber in the middle of the up end of brace table, the reference column rotates to be installed in the transmission inner chamber.

Preferably, the arc outer wall of the positioning column is provided with a pair of first side strips which are bilaterally symmetrical, the inner grinding ring is sleeved on the positioning column and the first side strips, the lower end of the inner grinding ring is pressed on the supporting table, and the arc outer wall of the inner grinding ring is attached to the arc inner wall of the gasket workpiece.

Preferably, the upper end of the pressing strip is connected with a telescopic rod, the lower end of the pressing strip is provided with a first pressing block and a second pressing block at positions corresponding to the inner wall and the outer wall of the gasket workpiece respectively, and the gasket workpiece is pressed between the first pressing block and the supporting table.

Preferably, the inner wall of the lower end of the mounting inner cavity is provided with a circular rotary groove, the lower end of the polishing ring is provided with a rotary ring which is pressed in the rotary groove in a rotating mode, the outer wall of the polishing ring is provided with a gear ring, and the gear ring is meshed with the gear chain.

Preferably, the upper end of the positioning column is provided with a jack, a limiting slot is arranged in the jack, the lower end of the pressing strip is provided with an inserting rod, the arc outer wall of the lower end of the inserting rod is provided with a second side strip, and the inserting rod and the second side strip are inserted into the jack and the limiting slot in a sliding mode.

Preferably, the lower end of the positioning column is provided with a rotating rod, the lower end of the rotating rod is fixedly sleeved with a linkage gear, and the upper end of the inserted link and the lower end of the rotating rod are respectively rotatably installed in the pressing bar and the transmission inner cavity through bearings.

Preferably, the driven gear is clamped between the closed-loop toothed chains in a meshed mode, the lower end of the driven gear is connected with a group of transmission gears, a support is arranged between the driven gear and the linkage gear, and the transmission gears are rotatably installed on the support.

Preferably, the inner wall of the grinding ring is bonded with a wear-resistant layer, the wear-resistant layer is attached to the arc outer wall of the gasket workpiece, the second pressing block is pressed at the upper end of a gap between the gasket workpiece and the wear-resistant layer, and the first pressing block is pressed at the upper end of the gap between the inner grinding ring and the inner wall of the gasket workpiece.

Preferably, the driving motor is vertically installed at the middle position of the upper end of the grinding table, a driving gear rotatably connected to the upper end of the driving motor is meshed with the toothed chain, and the outer diameter of the driving gear is larger than that of the driven gear.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matched transmission of the toothed chain and the gear, the purpose of polishing the annular gasket at the same time is realized, the number of station rotating rings of the gasket is reduced, the polishing efficiency and the processing precision are greatly improved, and the quality of the gasket is improved;

2. according to the invention, the pressing strip driven by the telescopic rod is arranged, and the pressing block is utilized to clean the generated barbs while fixing the workpiece, so that secondary processing is avoided, and the polishing processing efficiency is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a connection three-dimensional structure of a pressing bar and a positioning column of the invention;

FIG. 4 is a cross-sectional view of the lapping ring and toothed chain engagement of the present invention;

FIG. 5 is a schematic perspective view of a positioning post according to the present invention;

fig. 6 is a schematic perspective view of the molding of the present invention.

In the figure: 1. a polishing table; 2. a telescopic rod; 3. a drive motor; 4. a driving gear; 5. installing an inner cavity; 6. a support table; 7. a transmission inner cavity; 8. layering; 9. inserting a rod; 10. a driven gear; 11. a toothed chain; 12. a first pressing block; 13. a second pressing block; 14. rotating the ring; 15. grinding a ring; 16. a ring gear; 17. an inner grinding ring; 18. rotating the groove; 19. a support; 20. a transmission gear; 21. a positioning column; 22. a bearing; 23. a linkage gear; 24. a wear layer; 25. a shim workpiece; 26. a jack; 27. a first side bar; 28. a rotating rod; 29. limiting slots; 30. a second side bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a track traffic gasket grinding tool, is provided with a pair of installation inner chamber 5 of bilateral symmetry including grinding platform 1, the upper end of grinding platform 1, and the lower extreme of installation inner chamber 5 is provided with brace table 6, is provided with downwardly extending's transmission inner chamber 7 in the middle of the up end of brace table 6, and the vertical rotation of the lower extreme of installation inner chamber 5 is pegged graft and is had reference column 21, and reference column 21 rotates and installs in transmission inner chamber 7, realizes the vertical grafting installation of reference column 21 through transmission inner chamber 7.

The upper end of the positioning column 21 is sleeved with the inner grinding ring 17, the arc outer wall of the positioning column 21 is provided with a pair of first side strips 27 which are bilaterally symmetrical, the inner grinding ring 17 is sleeved on the positioning column 21 and the first side strips 27, the lower end of the inner grinding ring 17 is pressed on the supporting table 6, the arc outer wall of the inner grinding ring 17 is attached to the arc inner wall of the gasket workpiece 25, and the fixed sleeving of the inner grinding ring 17 and the positioning column 21 is realized through the first side strips 27.

The gasket work piece 25 has been cup jointed in the outside of interior grinding ring 17, and the ring 15 of polishing has been cup jointed in the outside rotation of gasket work piece 25, realizes polishing simultaneously the interior excircle cambered surface of gasket work piece 25 through interior grinding ring 17 and ring 15 of polishing, has improved the efficiency of processing greatly.

The upper end of the positioning column 21 is provided with a jack 26, a limiting slot 29 is arranged in the jack 26, the lower end of the pressing strip 8 is provided with an inserting rod 9, the arc outer wall of the lower end of the inserting rod 9 is provided with a second side strip 30, the inserting rod 9 and the second side strip 30 are inserted into the jack 26 and the limiting slot 29 in a sliding mode, guiding lifting of the pressing strip 8 is achieved through matching of the inserting rod 9 and the jack 26, and the inserting rod 9 and the positioning column 21 are coaxially driven through insertion of the second side strip 30 and the limiting slot 29.

The upper end of the gasket workpiece 25 is provided with a pressing strip 8 which is driven by a telescopic rod 2 and provided with a first pressing block 12 and a second pressing block 13, the upper end of the pressing strip 8 is connected with the telescopic rod 2, the lower end of the pressing strip 8 and the positions, corresponding to the inner wall and the outer wall of the gasket workpiece 25, of the pressing strip are respectively provided with the first pressing block 12 and the second pressing block 13, the gasket workpiece 25 is pressed between the first pressing block 12 and the supporting table 6, the telescopic rod 2 drives the pressing strip 8, the gasket workpiece 25 is fixedly clamped on the supporting table 6, and positioning, fastening and installation are achieved.

The centre of platform 1 of polishing is provided with driving gear 4 of driving motor 3 drive, the outside meshing of ring 15 of polishing is connected with toothed chain 11, toothed chain 11 rotates along 5 closed loops of bilateral symmetry's installation inner chamber, the both sides of driving gear 4 are provided with a pair of driven gear 10, the vertical upper end intermediate position of installing at platform 1 of polishing of driving motor 3, driving gear 4 and the toothed chain 11 meshing of connecting are rotated to driving motor 3 upper end, driving gear 4's external diameter is greater than driven gear 10's external diameter, utilize driven gear 10 to realize the support between toothed chain 11 front and back, thereby it rotates to drive the circulation that driving gear 4 realized toothed chain 11 through driving motor 3, drive driven gear 10 simultaneously and rotate.

The lower extreme inner wall of installation inner chamber 5 is provided with annular runner 18, and the lower extreme of ring 15 of polishing is provided with the runner 14 of rotation pressfitting in runner 18, and the outer wall of ring 15 of polishing is provided with ring gear 16, and ring gear 16 and toothed chain 11 meshing through the meshing of ring gear 16 and toothed chain 11 to drive ring 15 and rotate, realize polishing to 25 circular arc outer walls of gasket work piece, through the cooperation of runner 14 and runner 18, realize the spacing rotation of ring 15 of polishing.

The lower end of the driven gear 10 is connected with the linkage gear 23 through the transmission gear 20 to drive the positioning column 21 to rotate, the driven gear 10 is clamped between the closed-loop toothed chains 11 in a meshed mode, the lower end of the driven gear 10 is connected with a group of transmission gears 20, a support 19 is arranged between the driven gear 10 and the linkage gear 23, the transmission gears 20 are installed on the support 19 in a rotating mode, the support 19 is used for achieving rotating installation of the group of transmission gears 20, and therefore the driven gear 10 drives the positioning column 21 to rotate through transmission of the transmission gears 20.

The lower end of the positioning column 21 is provided with a rotating rod 28, the lower end of the rotating rod 28 is fixedly sleeved with a linkage gear 23, the upper end of the inserted link 9 and the lower end of the rotating rod 28 are respectively rotatably installed in the pressing strip 8 and the transmission inner cavity 7 through a bearing 22, the inner wall of the polishing ring 15 is bonded with a wear-resistant layer 24, the wear-resistant layer 24 is attached to the arc outer wall of the gasket workpiece 25, the second pressing block 13 is pressed at the upper end of a gap between the gasket workpiece 25 and the wear-resistant layer 24, the first pressing block 12 is pressed at the upper end of the gap between the inner polishing ring 17 and the inner wall of the gasket workpiece 25, the rotating installation of the inserted link 9 is realized through the bearing 22, the inserted link 9 is driven to rotate at the lower end of the pressing strip 8 in the rotating process of the positioning column 21, so as to realize the rotation of the inner polishing ring 17, the inner wall of the gasket workpiece 25 is polished, after polishing is finished, the telescopic rod 2 drives the pressing strip 8 to drive the inner polishing ring 17 and the polishing ring 15 to realize the rotation of the gasket workpiece 25, thereby reach the clearance to gasket work piece 25 upper end circular arc sideline barb to avoid secondary operation, further improved the efficiency of processing of polishing.

The working principle is as follows: the vertical inserting and mounting of the positioning column 21 is achieved through the transmission inner cavity 7, the inner grinding ring 17 is fixedly sleeved with the positioning column 21 through the first side strip 27, the second side strip 30 is inserted into the limiting insertion groove 29, the insertion rod 9 and the positioning column 21 are driven to be coaxial, the pressing strip 8 is driven through the telescopic rod 2, the gasket workpiece 25 is fixedly clamped on the supporting table 6, and positioning, fastening and mounting are achieved.

Utilize driven gear 10 to realize the support between the front and back of chain gear 11, thereby drive driving gear 4 through driving motor 3 and realize the circulation of chain gear 11 and rotate, drive driven gear 10 simultaneously and rotate, through the meshing of ring gear 16 with chain gear 11 to drive ring 15 and rotate, realize polishing to gasket work piece 25 circular arc outer wall, through the cooperation of change 14 and rotary groove 18, realize ring 15's spacing rotation of polishing.

Realize the rotation installation of a set of drive gear 20 through support 19, thereby through the transmission of drive gear 20, make driven gear 10 drive reference column 21 rotate, realize the rotation installation of inserted bar 9 through bearing 22, in the reference column 21 rotates the in-process, drive inserted bar 9 and rotate at layering 8 lower extreme, thereby realize the rotation of interior grinding ring 17, reach the polishing to gasket work piece 25 inner wall, after polishing the completion, telescopic link 2 drives and lifts on layering 8, including grinding ring 17 and grinding ring 15's drive, realize the rotation of gasket work piece 25, thereby reach the clearance to gasket work piece 25 upper end circular arc sideline barb, thereby avoid secondary operation, the efficiency of the processing of polishing has further been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.