Surface grinding equipment for rail transit vehicle machining

By designing grinding equipment for automated moving mechanisms and flushing mechanisms, the problems of low grinding efficiency and serious pollution in the existing technology are solved, and the effects of all-round rapid grinding and environmental protection are achieved.

CN222843784UActive Publication Date: 2025-05-09QINGDAO TIANKAI IND &TRADE CO LTD
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Patent Information

Application Number
CN202421624254.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-09
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

Existing grinding equipment is inefficient when dealing with large workpieces and is difficult to operate. It also causes dust and flying chips to pollute the environment during grinding, and the temperature of grinding parts is easily increased, affecting the service life.

Method used

A surface grinding equipment for processing rail transit vehicles was designed, using an automated moving mechanism and a telescopic hydraulic rod, combined with a servo motor and a folding arm mechanism, to achieve all-round rapid grinding; at the same time, a flushing mechanism was set up, and flushing was used with a water pump and annular water pipe to prevent dust and fly chips, and to reduce the temperature of the grinding disc.

Benefits of technology

It realizes automation and all-round rapid polishing, improves efficiency, reduces operation difficulty, avoids dust and flying chip pollution, and extends the service life of the polishing disc.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing equipment, and discloses surface polishing equipment for rail transit vehicle machining, which comprises a base and is characterized by further comprising a base arranged at the bottom of the base, a moving mechanism is arranged in the base, a flushing mechanism and a telescopic hydraulic rod are arranged at the top of the base, and the telescopic hydraulic rod is arranged on the base. The flushing mechanism comprises a water pump, and one end of the water pump is communicated with a sealed precipitation water tank; through the arrangement of the telescopic hydraulic rod and the folding arm mechanism, the vertical grinding range of the grinding device is increased through the telescopic hydraulic rod, the first servo motor and the second servo motor, the transverse grinding range of the grinding device is increased through the third servo motor, and through the arrangement of the moving mechanism and the base, the grinding efficiency is improved. The full-automatic polishing machine has the advantages of automation and all-dimensional polishing, the polishing process is more environmentally friendly through the flushing mechanism, the problem of flying dust and flying chips is solved, and the service life of the polishing disc is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to surface grinding equipment for rail transit vehicle processing. Background Art

[0002] Grinding equipment is a tool used to grind rough or uneven surfaces into smooth or flat surfaces. There are many types of equipment, including belt grinders, surface grinders, polishing machines, etc.

[0003] Grinding equipment is widely used in many fields, such as metal processing, woodworking product manufacturing, automobile maintenance, ceramic product manufacturing and jewelry processing. Their working principle is usually based on the movement of rotating grinding discs or grinding wheels, and the grinding and polishing effects are achieved through the interaction between the abrasive and the workpiece surface. The current grinders are usually fixed and the workpieces are moved for grinding. When encountering large workpieces, scaffolding is required for grinding, which is inefficient and difficult to operate. In addition, the grinding process generates dust and chips, polluting the environment. At the same time, the temperature of the grinding parts is prone to rise during the grinding process, affecting the service life. Utility Model Content

[0004] The purpose of the utility model is to provide a surface grinding equipment for rail transit vehicle processing, which has the advantages of automation and all-round rapid grinding, solving the problem of low efficiency of manual assisted grinding in the past; it also has the advantages of environmental protection and safety in the process, solving the problem of dust and flying chips in the past grinding process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a surface grinding device for rail transit vehicle processing, comprising a base, characterized in that it also includes:

[0006] A base is arranged at the bottom of the base, a moving mechanism is arranged inside the base, a flushing mechanism and a telescopic hydraulic rod are arranged on the top of the base, the flushing mechanism includes a water pump, one end of the water pump is connected to a sealed sedimentation water tank, a filter plate is arranged inside the sealed sedimentation water tank, the other end of the water pump is connected to a water inlet pipe, the other end of the water inlet pipe is connected to an annular water pipe fixed inside the protective cover, a nozzle is arranged on the surface of the annular water pipe, a collecting port is arranged on one side of the protective cover, a sewage return pipe is arranged on the other end of the collecting port, and the other end of the sewage return pipe is connected to one side of the sealed sedimentation water tank;

[0007] A folding arm mechanism fixed to the top of the telescopic hydraulic rod, the folding arm mechanism comprising a first servo motor, one side of the first servo motor is rotatably connected to a first arm lever that rotates vertically, the other end of the first arm lever is fixedly connected to a second servo motor, one side of the second servo motor is rotatably connected to a second arm lever that rotates vertically, the other end of the second arm lever is fixedly connected to a third servo motor, one end of the third servo motor is rotatably connected to a third arm lever, and the other end of the third arm lever is fixedly connected to a fourth servo motor;

[0008] A grinding device is arranged at the output end of the fourth servo motor, the bottom of which is slidably connected with a protective cover, the bottom of which is also provided with a grinding disc, and the top of which is welded with an inner ring sleeve.

[0009] Preferably, the moving mechanism includes a first motor, an output end of the first motor is fixedly connected to a first gear, a second gear is meshed on one side of the first gear, a shaft is fixed at the axis of the second gear, both ends of the shaft are fixedly connected to a third gear, both ends of the shaft are also rotatably connected to the base, and the bottom of the third gear is meshed with a toothed track fixed to the surface of the base.

[0010] Preferably, the flushing mechanism includes a water pump, one end of the water pump is connected to a sealed sedimentation water tank, a filter plate is provided inside the sealed sedimentation water tank, the other end of the water pump is connected to a water inlet pipe, the other end of the water inlet pipe is connected to an annular water pipe fixed inside the protective cover, a nozzle is provided on the surface of the annular water pipe, a collecting port is provided on one side of the protective cover, a return pipe is provided at the other end of the collecting port, and the other end of the return pipe is connected to one side of the sealed sedimentation water tank.

[0011] Preferably, the grinding device includes a second motor and an output shaft, an outer ring sleeve is welded to the bottom of the second motor, a fixed limit block is fixedly connected to the bottom of the outer ring sleeve, the inner wall of the outer ring sleeve is slidably connected to the inner ring sleeve, the fixed limit block is slidably connected to the groove on the side of the inner ring sleeve, a spring is also provided inside the outer ring sleeve, two ends of the spring are respectively fixedly connected to the bottom of the second motor and the top of the inner ring sleeve, and a grinding disc is bolted to one end of the output shaft.

[0012] Preferably, the surfaces of the water inlet pipe and the sewage return pipe are both provided with positioning rings, and the number of the positioning rings is several and evenly distributed along the surfaces of the water inlet pipe and the sewage return pipe.

[0013] Preferably, the nozzles are multiple and distributed in a ring shape and are directed toward the periphery of the grinding disc.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model arranges a telescopic hydraulic rod and a folding arm mechanism, utilizes the telescopic hydraulic rod, a first servo motor and a second servo motor to increase the vertical grinding range of the grinding device, utilizes the third servo motor to increase the lateral grinding amplitude of the grinding device, and by arranging a moving mechanism and a base, the utility model has the characteristics of automation and all-round grinding, and at the same time utilizes a flushing mechanism to make the grinding process more environmentally friendly, which not only solves the problem of dust and flying chips, but also prolongs the service life of the grinding disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the base in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the flushing mechanism and the folding arm mechanism in the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the flushing mechanism and the grinding device in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the grinding device in the utility model.

[0021] Figure 6 It is a schematic diagram of the cross-sectional structure of the sealed sedimentation water tank in the utility model.

[0022] In the figure: 1. base; 2. base; 3. moving mechanism; 31. first motor; 32. first gear; 33. second gear; 34. shaft; 35. third gear; 36. tooth track; 4. flushing mechanism; 41. water pump; 42. sealed sedimentation water tank; 43. water inlet pipe; 44. annular water pipe; 45. nozzle; 46. collection port; 47. return sewage pipe; 48. filter plate; 5. telescopic hydraulic rod; 6. folding arm mechanism; 61. first servo motor; 62. first arm; 63. second servo motor; 64. second arm; 65. third servo motor; 66. third arm; 67. fourth servo motor; 7. grinding device; 71. second motor; 72. output shaft; 73. outer ring sleeve; 74. fixed limit block; 8. protective cover; 9. inner ring sleeve; 10. spring; 11. grinding disc; 12. positioning ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 As shown, a surface grinding device for rail transit vehicle processing includes a base 1, a base 2 is arranged at the bottom of the base 1, a moving mechanism 3 is arranged inside the base 1, a flushing mechanism 4 and a telescopic hydraulic rod 5 are arranged at the top of the base 1, and a folding arm mechanism 6 is fixedly connected to the top of the telescopic hydraulic rod 5. The folding arm mechanism 6 includes a first servo motor 61, one side of the first servo motor 61 is rotatably connected to a first arm rod 62 that rotates vertically, and the other end of the first arm rod 62 is fixedly connected to a second servo motor 63, and one side of the second servo motor 63 is rotatably connected to The second arm 64 rotates vertically, and the other end of the second arm 64 is fixedly connected to the third servo motor 65, one end of the third servo motor 65 is rotatably connected to the third arm 66, and the other end of the third arm 66 is fixedly connected to the fourth servo motor 67, and the output end of the fourth servo motor 67 is provided with a grinding device 7. Through the setting of the folding arm mechanism 6, the grinding device 7 has the function of vertical movement, and the bottom of the grinding device 7 is slidably connected to the protective cover 8, and the bottom of the grinding device 7 is also provided with a grinding disc 11, and the top of the protective cover 8 is welded with an inner ring sleeve 9.

[0025] The moving mechanism 3 includes a first motor 31, the output end of the first motor 31 is fixedly connected to a first gear 32, one side of the first gear 32 is meshed with a second gear 33, a shaft 34 is fixed at the axis of the second gear 33, both ends of the shaft 34 are fixedly connected to a third gear 35, both ends of the shaft 34 are also rotatably connected to the base 1, and the bottom of the third gear 35 is meshed with a toothed track 36 fixed to the surface of the base 2.

[0026] The flushing mechanism 4 includes a water pump 41, one end of the water pump 41 is connected to a sealed sedimentation water tank 42, a filter plate 48 is arranged inside the sealed sedimentation water tank 42, the other end of the water pump 41 is connected to a water inlet pipe 43, the other end of the water inlet pipe 43 is connected to an annular water pipe 44 fixed inside the protective cover 8, a nozzle 45 is arranged on the surface of the annular water pipe 44, a collecting port 46 is arranged on one side of the protective cover 8, a return pipe 47 is arranged at the other end of the collecting port 46, the other end of the return pipe 47 is connected to one side of the sealed sedimentation water tank 42, and positioning rings 12 are arranged on the surfaces of the water inlet pipe 43 and the return pipe 47.

[0027] The grinding device 7 includes a second motor 71 and an output shaft 72. An outer ring sleeve 73 is welded to the bottom of the second motor 71. A fixed limit block 74 is fixedly connected to the bottom of the outer ring sleeve 73. The inner wall of the outer ring sleeve 73 is slidably connected to the inner ring sleeve 9. The fixed limit block 74 is slidably connected to the groove on the side of the inner ring sleeve 9. A spring 10 is also provided inside the outer ring sleeve 73. The two ends of the spring 10 are respectively fixedly connected to the bottom of the second motor 71 and the top of the inner ring sleeve 9. A grinding disc 11 is bolted to one end of the output shaft 72.

[0028] Working principle: The utility model belongs to automated operation. When operating, the grinding operation is performed by controlling the grinding device 7 and the grinding disc 11, controlling the telescopic hydraulic rod 5, so that the folding arm mechanism 6 and the grinding device 7 have a vertical adjustment range, increasing the vertical grinding range, controlling the first servo motor 61 and the second servo motor 63 in the folding arm mechanism 6 to drive the first arm 62 and the second arm 64 to rotate vertically, further increasing the vertical grinding range of the grinding device 7, and then controlling the third servo motor 65 to drive the third arm 66 to rotate horizontally, increasing the horizontal grinding amplitude of the grinding device 7, and finally controlling the rotation of the fourth servo motor 67 to make the surface of the grinding disc 11 at the bottom of the grinding device 7 closely fit the surface of the material to be polished, and at the same time using the setting of the flushing mechanism 4, turning on the water pump 41 to make the sealing sink The water in the sedimentation water tank 42 enters the annular water pipe 44 and the nozzle 45 in the protective cover 8 through the water inlet pipe 43 to flush the grinding area of ​​the grinding disc 11. At this time, since the sealed sedimentation water tank 42 is in a sealed state, negative pressure is generated inside, so that the flushing wastewater inside the protective cover 8 flows into the return pipe 47 through the collection port 46, and then flows back to the inside of the sealed sedimentation water tank 42, and is filtered and precipitated by the filter plate 48 to prevent the pipeline from being blocked, so that the water in the sealed sedimentation water tank 42 is recycled. During the flushing process, the protective cover 8 uses the outer ring sleeve 73, the inner ring sleeve 9 and the spring 10 to make the protective cover 8 fit tightly with the surface of the grinding material, thereby preventing the outflow of flushing wastewater and preventing the debris generated by grinding from flying out to cause dust pollution, and also cooling the grinding disc 11 to extend its service life.

[0029] It should be noted that Figure 4 , Figure 5 In the figure, the second motor 71 is a prior art, and its internal structure will not be described or illustrated in detail.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements defined by the sentence "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. Although the embodiments of the utility model have been shown and described, it is understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A surface grinding device for rail transit vehicle processing, comprising a base (1), characterized in that: Also includes: A base (2) is arranged at the bottom of the base (1), a moving mechanism (3) is arranged inside the base (1), a flushing mechanism (4) and a telescopic hydraulic rod (5) are arranged on the top of the base (1), the flushing mechanism (4) comprises a water pump (41), one end of the water pump (41) is connected to a sealed sedimentation water tank (42), a filter plate (48) is arranged inside the sealed sedimentation water tank (42), the other end of the water pump (41) is connected to a water inlet pipe (43), the other end of the water inlet pipe (43) is connected to an annular water pipe (44) fixed inside the protective cover (8), a nozzle (45) is arranged on the surface of the annular water pipe (44), a collecting port (46) is arranged on one side of the protective cover (8), a sewage return pipe (47) is arranged at the other end of the collecting port (46), and the other end of the sewage return pipe (47) is connected to one side of the sealed sedimentation water tank (42); A folding arm mechanism (6) fixed to the top of the telescopic hydraulic rod (5), the folding arm mechanism (6) comprising a first servo motor (61), one side of the first servo motor (61) being rotatably connected to a first arm rod (62) that rotates vertically, the other end of the first arm rod (62) being fixedly connected to a second servo motor (63), one side of the second servo motor (63) being rotatably connected to a second arm rod (64) that rotates vertically, the other end of the second arm rod (64) being fixedly connected to a third servo motor (65), one end of the third servo motor (65) being rotatably connected to a third arm rod (66), and the other end of the third arm rod (66) being fixedly connected to a fourth servo motor (67); A grinding device (7) is arranged at the output end of the fourth servo motor (67), the bottom of the grinding device (7) is slidably connected to a protective cover (8), the bottom of the grinding device (7) is also provided with a grinding disc (11), and the top of the protective cover (8) is welded with an inner ring sleeve (9).

2. The surface grinding equipment for rail transit vehicle processing according to claim 1 is characterized in that: The moving mechanism (3) comprises a first motor (31), the output end of the first motor (31) is fixedly connected to a first gear (32), one side of the first gear (32) is meshed with a second gear (33), a shaft (34) is fixed at the axis of the second gear (33), both ends of the shaft (34) are fixedly connected to a third gear (35), both ends of the shaft (34) are also rotatably connected to the base (1), and the bottom of the third gear (35) is meshed with a toothed track (36) fixed to the surface of the base (2).

3. The surface grinding equipment for rail transit vehicle processing according to claim 1, characterized in that: The grinding device (7) comprises a second motor (71) and an output shaft (72), an outer ring sleeve (73) is welded to the bottom of the second motor (71), a fixed limit block (74) is fixedly connected to the bottom of the outer ring sleeve (73), the inner wall of the outer ring sleeve (73) is slidably connected to the inner ring sleeve (9), the fixed limit block (74) is slidably connected to the groove on the side of the inner ring sleeve (9), a spring (10) is also arranged inside the outer ring sleeve (73), the two ends of the spring (10) are respectively fixedly connected to the bottom of the second motor (71) and the top of the inner ring sleeve (9), and one end of the output shaft (72) is bolted to a grinding disc (11).

4. The surface grinding equipment for rail transit vehicle processing according to claim 1, characterized in that: The surfaces of the water inlet pipe (43) and the sewage return pipe (47) are both provided with positioning rings (12), and the number of the positioning rings (12) is several and they are evenly distributed along the surfaces of the water inlet pipe (43) and the sewage return pipe (47).

5. The surface grinding equipment for rail transit vehicle processing according to claim 1 is characterized in that: The nozzles (45) are multiple in number and distributed in a ring shape and are oriented toward the periphery of the grinding disc (11).