Railway turnout elastic clamp grinding and polishing system

Abstract

The utility model discloses a railway turnout elastic clamp grinding and polishing system, which relates to the technical field of railway turnout elastic clamp processing and comprises a workpiece rotating device, a first robot, a second robot, a radial floating electric spindle, an axial floating electric spindle and at least one positioning and clamping tool. The workpiece rotating device carries the positioning and clamping tool and the railway turnout elastic clamp to be ground and polished to rotate to a machining area or a workpiece changing area, the first robot carries the radial floating electric spindle to move, the radial floating electric spindle is provided with a grinding wheel rod, and the grinding wheel rod grinds and polishes an inner arc part on the railway turnout elastic clamp to be ground and polished in the machining area. The second robot carries an axial floating motorized spindle to move, louvre blades are assembled on the axial floating motorized spindle, and the louvre blades grind and polish the inner edge part, the fillet part, the outer edge part and the outer arc part of the railway turnout elastic clamp to be ground and polished in the machining area; according to the utility model, the efficiency and the product consistency can be improved, and the operation risk is reduced.

Description

Technical Field

[0001] This utility model relates to the field of railway turnout elastic clamp processing technology, and in particular to a railway turnout elastic clamp grinding and polishing system. Background Technology

[0002] Railway turnout elastic clamps are critical components used on railway turnouts to ensure the geometric position of the track. The working environment of these clamps is harsh and the stresses are complex, therefore, the performance requirements for them are extremely stringent. Railway turnout elastic clamps are generally manufactured by casting. The grinding and polishing of these clamps is mainly done manually using an angle grinder, which easily leads to inconsistent grinding and polishing quality, high labor intensity, low work efficiency, and safety hazards. Utility Model Content

[0003] The purpose of this invention is to provide a railway turnout elastic clamp grinding and polishing system to solve the problems existing in the prior art, achieve efficient and consistent grinding results, improve efficiency and product consistency, effectively reduce operational risks, and ensure worker safety.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] This utility model provides a railway turnout elastic clamp grinding and polishing system, including a workpiece rotation device, a first robot, a second robot, a radial floating electric spindle, an axial floating electric spindle, and at least one positioning and clamping fixture. The positioning and clamping fixture is mounted on the workpiece rotation device and can clamp and fix the railway turnout elastic clamp to be ground and polished. The workpiece rotation device can carry the positioning and clamping fixture and the railway turnout elastic clamp to be ground and polished to a processing area or a parts changing area. The first robot is connected to the radial floating electric spindle and can carry the radial floating electric spindle to move. The radial floating electric spindle is equipped with a grinding wheel, which can grind and polish the inner arc portion of the railway turnout elastic clamp to be ground and polished in the processing area. The second robot is connected to the axial floating electric spindle and can carry the axial floating electric spindle to move. The axial floating electric spindle is equipped with louvers, which can grind and polish the inner edge, rounded corner, outer edge, and outer arc portion of the railway turnout elastic clamp to be ground and polished in the processing area.

[0006] Preferably, the end of the first robot is a first flange end, and the radial floating electric spindle is fixedly mounted on the first flange end.

[0007] Preferably, the end of the second robot is a second flange end, and the axial floating electric spindle is fixedly mounted on the second flange end.

[0008] Preferably, it further includes a first connector, one end of which is fixedly connected to the end flange end of the first robot, and the other end of which is fixedly connected to the radial floating electric spindle.

[0009] Preferably, it further includes a second connector, one end of which is fixedly connected to the end flange of the second robot, and the other end of which is fixedly connected to the axial floating electric spindle.

[0010] Preferably, the grinding wheel is a diamond grinding wheel.

[0011] Preferably, it also includes an automatic tool changer for storing the grinding wheel bar, from which the first robot can replace the grinding wheel bar.

[0012] Preferably, the automatic tool changer is also used to store the louvers, and the second robot can replace the louvers from the automatic tool changer.

[0013] Preferably, the number of positioning and clamping fixtures is two, with one positioning and clamping fixture in the processing area and the other positioning and clamping fixture in the part changing area.

[0014] Preferably, the positioning and clamping fixture includes a driving device and two grippers. The two grippers can clamp and fix the elastic clamp of the railway turnout to be ground and polished. The driving device is connected to the two grippers and can provide power for the two grippers to clamp the elastic clamp of the railway turnout to be ground and polished.

[0015] The present invention achieves the following technical advantages over the prior art:

[0016] The railway turnout elastic clamp grinding and polishing system provided by this utility model uses a positioning and clamping fixture to clamp and fix the railway turnout elastic clamp to be ground and polished. This securely fixes the elastic clamp, preventing it from moving or deforming during the grinding process. The positioning and clamping fixture also has the function of quickly changing the elastic clamp, adapting rapidly to different specifications. A workpiece rotation device carries the elastic clamp to the processing area. A first robot carries a radially floating electric spindle to the processing area, where a grinding wheel mounted on the radially floating electric spindle completes the grinding and polishing of the inner arc portion of the elastic clamp. A second robot carries an axially floating electric spindle to the processing area... In the processing area, louvers mounted on the axial floating electric spindle are used to grind and polish the inner edges, rounded corners, outer edges, and outer arcs of the elastic clamps for railway turnouts. This achieves mechanized and automated grinding and polishing of the elastic clamps, allowing for precise adjustments based on the specific shape and size of the clamps. This results in efficient and consistent grinding, improving efficiency and product consistency. The workpiece rotation device carries the elastic clamps to the changing area, enabling workers to easily place them in the designated position and safely remove them after grinding. This ensures workers can safely load and unload workpieces, effectively reducing operational risks and protecting worker safety. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 A front view schematic diagram of the railway turnout elastic clamp grinding and polishing system provided by this utility model;

[0019] Figure 2 for Figure 1 A top view of the elastic clamping and polishing system for railway turnouts;

[0020] Figure 3 for Figure 1 A schematic diagram of the elastic clamp of the railway turnout to be ground and polished;

[0021] In the figure: 1-Workpiece rotation device, 2-First robot, 3-Second robot, 4-Radial floating electric spindle, 5-Axial floating electric spindle, 6-Positioning clamping fixture, 7-Grinding wheel bar, 8-Vibrating blade, 9-First connecting piece, 10-Second connecting piece, 11-Automatic tool changer, 12-Drive device, 13-Gripper, 14-Elastic clamp for railway turnout to be ground and polished, 15-Inner arc part, 16-Inner edge part, 17-Rounded corner part, 18-Outer edge part, 19-Outer arc part. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] The purpose of this invention is to provide a railway turnout elastic clamp grinding and polishing system to solve the problems existing in the prior art, achieve efficient and consistent grinding results, improve efficiency and product consistency, effectively reduce operational risks, and ensure worker safety.

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figures 1-3 As shown, this utility model provides a railway turnout elastic clamp grinding and polishing system, including a workpiece rotation device 1, a first robot 2, a second robot 3, a radial floating electric spindle 4, an axial floating electric spindle 5, and at least one positioning and clamping fixture 6. The positioning and clamping fixture 6 is mounted on the workpiece rotation device 1 and can clamp and fix the railway turnout elastic clamp 14 to be ground and polished. The workpiece rotation device 1 can carry the positioning and clamping fixture 6 and the railway turnout elastic clamp 14 to be ground and polished to the processing area or the parts changing area. The first robot 2 is connected to the radial floating electric spindle 4, the second robot 3, the third robot 4, the fourth robot 5, the fifth robot 6, the sixth robot 7, the seventh robot 8, the 9th robot 9, the 10th robot 1, the 11th robot 1, the 12th robot 1, the 13th robot 1, the 14th robot 1, the 15th robot 1, the 16th robot 1, the 17th robot 1, the 18th robot 1, the 19 ... A robot 2 can carry a radial floating electric spindle 4 and move it. The radial floating electric spindle 4 is equipped with a grinding wheel 7. The grinding wheel 7 can grind and polish the inner arc portion 15 of the railway turnout elastic clamp 14 to be ground and polished in the processing area. A second robot 3 is connected to an axial floating electric spindle 5 and can carry the axial floating electric spindle 5 and move it. The axial floating electric spindle 5 is equipped with a louver 8. The louver 8 can grind and polish the inner edge portion 16, rounded corner portion 17, outer edge portion 18 and outer arc portion 19 of the railway turnout elastic clamp 14 to be ground and polished in the processing area.

[0026] The railway turnout elastic clamp polishing system provided by this utility model uses a positioning clamping fixture 6 to clamp and fix the railway turnout elastic clamp 14 to be polished, which can firmly fix the railway turnout elastic clamp 14 to be polished and prevent it from moving or deforming during the polishing process. The positioning clamping fixture 6 also has the function of quickly changing the railway turnout elastic clamp 14 to be polished. The positioning clamping fixture 6 can quickly adapt to different specifications of railway turnout elastic clamp 14 to be polished. The workpiece rotation device 1 carries the railway turnout elastic clamp 14 to be polished and rotates it to the processing area. The first robot 2 carries the radial floating electric spindle 4 to move it to the processing area. The grinding wheel 7 mounted on the radial floating electric spindle 4 completes the polishing treatment of the inner arc part 15 on the railway turnout elastic clamp 14 to be polished and polished. The second robot 3 carries the axial floating electric spindle 5 Moving to the processing area, the inner edge 16, rounded corner 17, outer edge 18, and outer arc 19 of the railway turnout elastic clamp 14 to be ground and polished are completed by the louvers 8 mounted on the axial floating electric spindle 5. This achieves mechanized and automated grinding and polishing of the railway turnout elastic clamp 14. It can be precisely adjusted according to the specific shape and size of the railway turnout elastic clamp 14 to be ground and polished, thereby achieving efficient and consistent grinding results, improving efficiency and product consistency. The workpiece rotation device 1 carries the railway turnout elastic clamp 14 to be ground and polished to the parts changing area. This not only helps workers easily place the railway turnout elastic clamp 14 to be ground and polished in the designated position, but also allows it to be safely removed after grinding. This ensures that workers can perform workpiece loading and unloading operations in a safe position, effectively reducing operational risks and ensuring worker safety.

[0027] As a preferred embodiment of this invention, the end of the first robot 2 is a first flange end, and a radial floating electric spindle 4 is fixedly provided on the first flange end. The first robot 2 can be directly adopted from existing conventional robots, which is convenient for use and maintenance.

[0028] As a preferred embodiment of this invention, the end of the second robot 3 is a second flange end, and an axial floating electric spindle 5 is fixedly installed on the second flange end. The second robot 3 can be directly adopted from existing conventional robots, which is convenient for use and maintenance.

[0029] As a preferred embodiment of this invention, the railway turnout elastic clamp grinding and polishing system provided by this utility model also includes a first connector 9. One end of the first connector 9 is fixedly connected to the end flange end of the first robot 2, and the other end of the first connector 9 is fixedly connected to the radial floating electric spindle 4, which can effectively reduce the difficulty of manufacturing and assembly.

[0030] As a preferred embodiment of this invention, the railway turnout elastic clamp grinding and polishing system provided by this utility model also includes a second connector 10. One end of the second connector 10 is fixedly connected to the end flange end of the second robot 3, and the other end of the second connector 10 is fixedly connected to the axial floating electric spindle 5, which can effectively reduce the difficulty of manufacturing and assembly.

[0031] As a preferred embodiment of this invention, the grinding wheel 7 is a diamond grinding wheel, which provides stable grinding and polishing and has a long service life.

[0032] As a preferred embodiment of this invention, the railway turnout elastic clamp grinding and polishing system provided by this utility model also includes an automatic tool changer 11, which is used to store grinding wheel rods 7. The first robot 2 can replace the grinding wheel rods 7 from the automatic tool changer 11 so as to replace the grinding wheel rods 7 in a timely manner.

[0033] As a preferred embodiment of this invention, the automatic tool changer 11 is also used to store the louver blades 8. The second robot 3 can replace the louver blades 8 from the automatic tool changer 11 so as to replace the louver blades 8 in a timely manner.

[0034] As a preferred embodiment of this invention, the number of positioning and clamping fixtures 6 is two. When one positioning and clamping fixture 6 is placed in the processing area, the other positioning and clamping fixture 6 is placed in the part changing area, which can improve part changing efficiency and processing efficiency, and reduce material loading waiting time.

[0035] As a preferred embodiment of this invention, the positioning and clamping fixture 6 includes a drive device 12 and two grippers 13. The two grippers 13 can clamp and fix the elastic clamp 14 of the railway turnout to be ground and polished. The drive device 12 is connected to the two grippers 13 in a transmission manner. The drive device 12 can provide power for the two grippers 13 to clamp the elastic clamp 14 of the railway turnout to be ground and polished. The structure is simple and easy to use. The drive device 12 can be, but is not limited to, conventional devices such as cylinders or motors.

[0036] As a preferred embodiment of this invention, the working process of the railway turnout elastic clamp grinding and polishing system provided by this utility model is as follows:

[0037] Step 1: Mount the elastic clamp 14 of the railway turnout to be ground and polished onto the positioning clamping fixture 6 located in the workpiece rotation device 1 in the part changing area to ensure that the elastic clamp 14 of the railway turnout to be ground and polished will not be displaced or loosened during the grinding and polishing process.

[0038] Step 2: Control the workpiece rotation device 1 to carry the railway turnout elastic clamp 14 to be ground and polished from the part changing area to the processing area, and clamp another railway turnout elastic clamp 14 to be ground and polished onto the positioning clamping fixture 6 currently located in the part changing area on the workpiece rotation device 1.

[0039] Step 3: Due to the special structure of the elastic clamp 14 of the railway turnout to be ground and polished, different grinding and polishing positions require different cutting tools. The specific grinding and polishing positions are divided as follows: Figure 3 As shown, the first robot 2 is equipped with a radial floating electric spindle 4, which carries a grinding wheel 7 to grind and polish the inner arc portion 15 of the railway turnout elastic clamp 14 to be ground and polished. The optimal grinding and polishing process parameters suitable for the railway turnout elastic clamp 14 to be ground and polished are determined through pre-experiment: working air pressure of radial floating electric spindle 4 0.6MPa, spindle speed 12000rpm, and feed speed 5mm / s. After the task is completed, according to the tool life determined by the pre-experiment, the grinding wheel 7 is replaced at regular intervals by program control. The first robot 2 carries the radial floating electric spindle 4 to the automatic tool changer 11 to automatically replace the grinding wheel 7. After the replacement is completed, the first robot 2 is reset.

[0040] Step 4: The second robot 3 is equipped with an axially floating electric spindle 5. The axially floating electric spindle 5 carries louvers 8 to perform grinding and polishing on the inner edge 16, rounded corner 17, outer edge 18, and outer arc 19 of the railway turnout elastic clamp 14 to be ground and polished. The optimal grinding and polishing process parameters suitable for the railway turnout elastic clamp 14 to be ground and polished are determined through preliminary experiments. The grinding and polishing process parameters for the inner edge 16 are: axial floating grinding force 30N, spindle speed 5000rpm, and feed speed 25mm / s; the grinding and polishing process parameters for the rounded corner 17 are: axial floating grinding force 30N, spindle speed 5000rpm. m, feed speed 400mm / s; outer edge 18 grinding and polishing process parameters are: axial floating grinding force 30N, spindle speed 5000rpm, feed speed 25mm / s; outer arc part 19 grinding and polishing process parameters are: axial floating grinding force 30N, spindle speed 5000rpm, feed speed 100mm / s. After the task is completed, according to the tool life determined by the pre-experiment, the louver 8 is replaced at a time through program control. The second robot 3 is controlled to carry the axial floating electric spindle 5 to the automatic tool changer 11 to automatically replace the louver 8. After the replacement is completed, the second robot 3 is reset.

[0041] Step 5: The workpiece rotation device 1 carries the finished railway turnout elastic clamp to the part changing area. The finished railway turnout elastic clamp is disassembled by the operator and another railway turnout elastic clamp 14 to be processed and polished is re-clamped. Steps 3 and 4 are repeated for the railway turnout elastic clamp 14 currently placed in the processing area.

[0042] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A railway turnout elastic clamping and polishing system, characterized in that: The system includes a workpiece rotation device, a first robot, a second robot, a radial floating electric spindle, an axial floating electric spindle, and at least one positioning and clamping fixture. The positioning and clamping fixture is mounted on the workpiece rotation device and can clamp and fix the elastic clamp of the railway turnout to be ground and polished. The workpiece rotation device can carry the positioning and clamping fixture and the elastic clamp of the railway turnout to be ground and polished to a processing area or a parts changing area. The first robot is connected to the radial floating electric spindle and can carry the radial floating electric spindle to move. The radial floating electric spindle is equipped with a grinding wheel, which can grind and polish the inner arc portion of the elastic clamp of the railway turnout to be ground and polished in the processing area. The second robot is connected to the axial floating electric spindle and can carry the axial floating electric spindle to move. The axial floating electric spindle is equipped with louvers, which can grind and polish the inner edge, rounded corner, outer edge, and outer arc portion of the elastic clamp of the railway turnout to be ground and polished in the processing area.

2. The railway turnout elastic clamp grinding and polishing system according to claim 1, characterized in that: The end of the first robot is a first flange end, on which the radial floating electric spindle is fixedly mounted.

3. The railway turnout elastic clamping and polishing system according to claim 2, characterized in that: The second robot's end is a second flange end, on which the axial floating electric spindle is fixedly mounted.

4. The railway turnout elastic clamping and polishing system according to claim 3, characterized in that: It also includes a first connector, one end of which is fixedly connected to the end flange of the first robot, and the other end of which is fixedly connected to the radial floating electric spindle.

5. The railway turnout elastic clamping grinding and polishing system according to claim 4, characterized in that: It also includes a second connector, one end of which is fixedly connected to the end flange of the second robot, and the other end of which is fixedly connected to the axial floating electric spindle.

6. The railway turnout elastic clamping grinding and polishing system according to claim 1, characterized in that: The grinding wheel is a diamond grinding wheel.

7. The railway turnout elastic clamp grinding and polishing system according to claim 1, characterized in that: It also includes an automatic tool changer for storing the grinding wheel bar, from which the first robot can replace the grinding wheel bar.

8. The railway turnout elastic clamping and polishing system according to claim 7, characterized in that: The automatic tool changer is also used to store the louvers, from which the second robot can replace the louvers.

9. The railway turnout elastic clamping grinding and polishing system according to claim 1, characterized in that: The number of positioning and clamping fixtures is two, with one positioning and clamping fixture in the processing area and the other positioning and clamping fixture in the part changing area.

10. The railway turnout elastic clamping grinding and polishing system according to claim 1, characterized in that: The positioning and clamping fixture includes a drive device and two jaws. The two jaws can clamp and fix the elastic clamp of the railway turnout to be ground and polished. The drive device is connected to the two jaws in a transmission manner, and the drive device can provide power for the two jaws to clamp the elastic clamp of the railway turnout to be ground and polished.

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