Polishing device for machining high-speed rail shock absorber

Abstract

The utility model discloses a polishing device for machining a shock absorber of a high-speed rail, which belongs to the technical field of polishing and comprises a polishing table, a plurality of supporting legs are arranged at the bottom of the polishing table, a supporting frame is fixedly connected to one side of the top end of the polishing table, and an air cylinder is fixedly sleeved on the supporting frame. An output shaft of the air cylinder is fixedly connected with an arc-shaped grinding plate, a driving assembly is arranged at the bottom of the arc-shaped grinding plate, and a grinding assembly is arranged on one side of the driving assembly. The output shaft of the first motor drives the screw rod to rotate, so that the first moving seat outside the screw rod moves towards the shock-absorbing sleeve, the mounting plate fixed on the first moving seat is driven to move while the first moving seat moves, and the fixed rod on the mounting plate moves synchronously; and then the grinding roller at one end of the fixing rod extends into the shock-proof sleeve, and the interior of the rotating shock-proof sleeve is ground through a first friction layer outside the grinding roller.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding, and in particular relates to a grinding device for processing a high-speed railway track shock absorber. Background Art

[0002] With the continuous development of high-speed rail technology, the requirements for the comfort of high-speed rail rides are getting higher and higher. Since the shock absorption of high-speed rail, EMU and subway mostly uses shock absorbers for shock absorption, and the shock absorber sleeve is also an external part of the shock absorber, it plays a key role in the shock absorption of the shock absorber. At the same time, during the processing of the shock absorber tube, it needs to be polished inside and out.

[0003] At present, most of the shock absorber sleeves suitable for high-speed railways on the market are manually polished, with low work efficiency and uneven polishing. The existing grinding device for shock absorber processing can only grind the outside of the sleeve, and after grinding the outside, it is necessary to replace it with an external grinding device, which increases the grinding cost and reduces the grinding efficiency. Therefore, an improvement is now made to a grinding device for high-speed railway track shock absorber processing. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a grinding device for processing high-speed rail track shock absorbers. Through a driving component and a grinding component, the inside and outside of the shock-absorbing cylinder can be polished, thereby reducing processing costs and improving processing efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a grinding device for processing high-speed railway track shock absorbers, comprising a grinding table, a plurality of supporting legs are arranged at the bottom of the grinding table, a top side of the grinding table is fixedly connected to a support frame, a fixed sleeve is provided on the support frame, an arc-shaped grinding plate is fixedly connected to the output shaft of the cylinder, a driving assembly is provided at the bottom of the arc-shaped grinding plate, a grinding assembly is provided on one side of the driving assembly, and the grinding assembly comprises a first limiting plate fixedly connected to the middle part of the top end of the grinding table, an internal movable sleeve of the first limiting plate is provided with a screw, a first motor is fixedly installed on one side of the screw passing through the first limiting plate, and the first motor drives the screw to rotate, a first movable seat is provided on the external threaded sleeve of the screw, a mounting plate is fixedly connected to the top of the first movable seat, a fixing plate is fixedly connected to a fixing rod on the side of the mounting plate close to the support frame, and a grinding roller is fixedly provided on one end of the fixing rod.

[0006] Preferably, the driving assembly includes a second limit plate fixedly connected to the grinding table, the internal movable sleeve of the second limit plate is provided with a bidirectional screw, the bidirectional screw passes through one side of the second limit plate and is fixedly installed with a second motor, and the second motor drives the bidirectional screw to rotate, the external fixed sleeve of the bidirectional screw is provided with two second movable seats, the tops of the two second movable seats are fixedly connected with a fixed frame, a driving roller is rotatably connected to the fixed frame, a shock-absorbing sleeve is placed between the two driving rollers, the driving roller passes through one side of the fixed frame and is fixedly installed with a third motor, and the output shaft of the third motor drives the driving roller to rotate.

[0007] Preferably, the outer array of the grinding roller is provided with a plurality of first friction layers, and the bottom surface of the arc-shaped grinding plate is provided with a plurality of second friction layers.

[0008] Preferably, the grinding roller is matched with the shock-absorbing sleeve in size.

[0009] Preferably, the arc-shaped grinding plate is adapted to the size of the shock-absorbing sleeve.

[0010] Preferably, a threaded hole is provided inside the second movable seat, and the second movable seat cooperates with the bidirectional screw thread.

[0011] The grinding device for high-speed railway track shock absorber processing proposed by the utility model can bring the following benefits:

[0012] Beneficial effects:

[0013] 1. The output shaft of the cylinder drives the arc-shaped grinding plate to move downward, thereby fixing the shock-absorbing sleeve placed between the two driving rollers. After fixing, the two third motors are driven to rotate, so that the two driving rollers rotate in clockwise and counterclockwise directions, thereby driving the shock-absorbing sleeve between the driving rollers to rotate, and then rub against the second friction layer on the grinding plate while rotating, thereby grinding the outside of the shock-absorbing sleeve.

[0014] 2. The output shaft of the first motor drives the screw to rotate, so that the first movable seat outside the screw moves toward the direction of the shock-absorbing sleeve, and the first movable seat moves while driving the mounting plate fixed on the first movable seat to move, so that the fixed rod on the mounting plate moves synchronously, so that the grinding roller at one end of the fixed rod extends into the interior of the shock-absorbing sleeve, and then the rotating inside of the shock-absorbing sleeve is polished through the first friction layer outside the grinding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0016] In the attached picture:

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a grinding device for processing high-speed railway track shock absorbers.

[0018] Figure 2 The utility model is a side structural schematic diagram of a grinding device for processing a high-speed railway track shock absorber.

[0019] Figure 3 The utility model is a schematic diagram of the top view of the structure of a grinding device for processing a high-speed railway track shock absorber.

[0020] In the figure: 1. grinding table; 2. supporting leg; 3. first limit plate; 4. supporting frame; 5. second limit plate; 6. first motor; 7. screw; 8. mounting plate; 9. first movable seat; 10. fixing rod; 11. grinding roller; 12. arc-shaped grinding plate; 13. cylinder; 14. shock-absorbing sleeve; 15. second movable seat; 16. bidirectional screw; 17. second motor; 18. fixing frame; 19. third motor; 20. driving roller. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0026] like Figure 1 to Figure 3 As shown, an embodiment of the utility model proposes a grinding device for processing high-speed railway track shock absorbers, including a grinding table 1, a plurality of supporting legs 2 are arranged at the bottom of the grinding table 1, a support frame 4 is fixedly connected to one side of the top of the grinding table 1, a cylinder 13 is fixedly sleeved on the support frame 4, an arc-shaped grinding plate 12 is fixedly connected to the output shaft of the cylinder 13, a driving assembly is arranged at the bottom of the arc-shaped grinding plate 12, a grinding assembly is arranged on one side of the driving assembly, the grinding assembly comprises a first limiting plate 3 fixedly connected to the middle part of the top of the grinding table 1, a screw 7 is arranged inside a movable sleeve of the first limiting plate 3, a first motor 6 is fixedly installed on one side of the screw 7 passing through the first limiting plate 3, and the first motor 6 drives the screw 7 to rotate, a first movable seat 9 is arranged on the external threaded sleeve of the screw 7, a mounting plate 8 is fixedly connected to the top of the first movable seat 9, a fixing plate 8 is fixedly connected to a fixing rod 10 on the side of the fixing plate 8 close to the support frame 4, and a grinding roller 11 is fixedly sleeved at one end of the fixing rod 10.

[0027] like Figure 1As shown, the driving assembly includes a second limit plate 5 fixedly connected to the grinding table 1, the internal movable sleeve of the second limit plate 5 is provided with a bidirectional screw 16, the bidirectional screw 16 passes through one side of the second limit plate 5 and is fixedly installed with a second motor 17, and the second motor 17 drives the bidirectional screw 16 to rotate, the external fixed sleeve of the bidirectional screw 16 is provided with two second movable seats 15, the tops of the two second movable seats 15 are fixedly connected with a fixed frame 18, the fixed frame 18 is rotatably connected with a driving roller 20, a shock-absorbing sleeve 14 is placed between the two driving rollers 20, the driving roller 20 passes through one side of the fixed frame 18 and is fixedly installed with a third motor 19, and the output shaft of the third motor 19 drives the driving roller 20 to rotate.

[0028] like Figure 1 As shown, the outer array of the grinding roller 11 is provided with a plurality of first friction layers, and the bottom surface of the arc-shaped grinding plate 12 is provided with a plurality of second friction layers, so as to effectively grind the interior of the shock-absorbing sleeve 14 .

[0029] like Figure 1 As shown, the grinding roller 11 and the shock-absorbing sleeve 14 are matched in size.

[0030] like Figure 1 and Figure 2 As shown, the arc-shaped grinding plate 12 is matched with the shock-absorbing sleeve 14 in size.

[0031] like Figure 1 As shown, a threaded hole is provided inside the second movable seat 15 , and the second movable seat 15 is threadably matched with the bidirectional screw 16 .

[0032] Working principle:

[0033] First, the second motor 17 is driven so that the output shaft of the second motor 17 drives the bidirectional screw 16 to rotate, thereby causing the two second movable seats 15 outside the bidirectional screw 16 to move toward each other, thereby causing the two driving rollers 20 connected to the fixed frame 18 to move. When the two driving rollers 20 are close to each other to a distance sufficient to place the shock-absorbing sleeve 14, the second motor 17 is stopped, and the shock-absorbing sleeve 14 is placed between the two driving rollers 20. Then, the cylinder 13 is driven so that the output shaft of the cylinder 13 drives the arc-shaped grinding plate 12 to move downward, thereby fixing the shock-absorbing sleeve 14 placed between the two driving rollers 20. After fixing, the two third motors 19 are driven to rotate, causing the two driving rollers 20 to rotate in the clockwise and counterclockwise directions, thereby driving the driving rollers 20 to rotate in the clockwise and counterclockwise directions. The shock-absorbing sleeve 14 between the movable rollers 20 rotates, and then rubs against the second friction layer on the grinding plate 12 while rotating, thereby grinding the outside of the shock-absorbing sleeve 14, and at the same time driving the first motor 6, so that the output shaft of the first motor 6 drives the screw 7 to rotate, thereby making the first movable seat 9 outside the screw 7 move toward the shock-absorbing sleeve 14, thereby making the first movable seat 9 move while driving the mounting plate 8 fixed on the first movable seat 9 to move, thereby making the fixed rod 10 on the mounting plate 8 move synchronously, thereby making the grinding roller 11 at one end of the fixed rod 10 extend into the interior of the shock-absorbing sleeve 14, and then grinding the inside of the rotating shock-absorbing sleeve 14 through the first friction layer outside the grinding roller 11, thereby completing the grinding of the inside and outside of the shock-absorbing sleeve 14.

[0034] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0035] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A grinding device for processing a high-speed railway track shock absorber, comprising a grinding table (1), wherein a plurality of supporting legs (2) are provided at the bottom of the grinding table (1), characterized in that: A support frame (4) is fixedly connected to one side of the top end of the grinding table (1), a cylinder (13) is fixedly sleeved on the support frame (4), an output shaft of the cylinder (13) is fixedly connected to an arc-shaped grinding plate (12), a driving assembly is provided at the bottom of the arc-shaped grinding plate (12), a grinding assembly is provided on one side of the driving assembly, and the grinding assembly comprises a first limit plate (3) fixedly connected to the middle part of the top end of the grinding table (1), a screw (7) is provided on an internal movable sleeve of the first limit plate (3), a first motor (6) is fixedly installed on one side of the screw (7) passing through the first limit plate (3), and the first motor (6) drives the screw (7) to rotate, a first movable seat (9) is provided on the external thread sleeve of the screw (7), a mounting plate (8) is fixedly connected to the top of the first movable seat (9), a fixed rod (10) is fixedly connected to the side of the mounting plate (8) close to the support frame (4), and a grinding roller (11) is fixedly sleeved on one end of the fixed rod (10).

2. A grinding device for processing high-speed railway track shock absorbers according to claim 1, characterized in that: The driving assembly comprises a second limit plate (5) fixedly connected to the grinding table (1); a bidirectional screw (16) is provided on an internal movable sleeve of the second limit plate (5); a second motor (17) is fixedly installed on one side of the bidirectional screw (16) passing through the second limit plate (5); and the second motor (17) drives the bidirectional screw (16) to rotate; two second movable seats (15) are provided on the external fixed sleeve of the bidirectional screw (16); a fixing frame (18) is fixedly connected to the top of the two second movable seats (15); a driving roller (20) is rotatably connected to the fixing frame (18); a shock-absorbing sleeve (14) is placed between the two driving rollers (20); a third motor (19) is fixedly installed on one side of the driving roller (20) passing through the fixing frame (18); and the output shaft of the third motor (19) drives the driving roller (20) to rotate.

3. A grinding device for processing high-speed railway track shock absorbers according to claim 1, characterized in that: The outer array of the grinding roller (11) is provided with a plurality of first friction layers, and the bottom surface of the arc-shaped grinding plate (12) is provided with a plurality of second friction layers.

4. A grinding device for processing high-speed railway track shock absorbers according to claim 1, characterized in that: The grinding roller (11) and the shock-absorbing sleeve (14) are matched in size.

5. A grinding device for processing high-speed railway track shock absorbers according to claim 1, characterized in that: The arc-shaped grinding plate (12) is matched in size to the shock-absorbing sleeve (14).

6. A grinding device for processing high-speed railway track shock absorbers according to claim 2, characterized in that: A threaded hole is provided inside the second movable seat (15), and the second movable seat (15) is threadably matched with the bidirectional screw rod (16).

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