Gear shaft polishing device

Abstract

The utility model relates to the technical field of gear shaft polishing, and discloses a gear shaft polishing device. The device comprises an operation table, a first translation mechanism is arranged on the top of the operation table, a gantry is arranged on the first translation mechanism, a hydraulic cylinder is arranged on the second translation mechanism, a connecting plate is fixedly installed on an output rod of the hydraulic cylinder, and a hydraulic cylinder is arranged on the connecting plate. A third motor and a fourth motor are fixedly installed on the connecting plate, a conversion barrel is rotatably installed on the connecting plate, a shaft rod of the conversion barrel is fixedly connected with an output shaft of the third motor, grinding wheels are rotatably installed on the conversion barrel, and the number of meshes of the three grinding wheels increases clockwise. A first circular gear is fixedly mounted on an output shaft of the fourth motor, and second circular gears are fixedly mounted on shaft rods of the three grinding wheels. When the gear shaft polishing machine is used for polishing a gear shaft, grinding wheels with different mesh numbers can be independently selected for polishing operation.

Description

Technical Field

[0001] The utility model relates to the technical field of gear shaft polishing, in particular to a gear shaft polishing device. Background Art

[0002] In the field of mechanical processing, after the rough machining of the gear shaft is completed, the surface of the gear shaft is often very rough and has many burrs and scratches, as well as extremely fine metal particles on the surface. They are formed during cutting, grinding, milling and other similar chip cutting processes. When finishing the gear shaft, it is necessary to remove the burrs on the surface of the part and grind and polish the surface of the part to improve the accuracy of the part.

[0003] After searching, the related art (CN214869662U) discloses a gear shaft polishing device, including a base, a clamping base plate is arranged on the upper part of the base, a polishing positioning base plate is arranged on the rear side of the clamping base plate, a rotating frame and a clamping seat are arranged on the upper part of the clamping base plate, and the gear shaft is clamped and fixed by the clamping seat and the clamping ejector pin, and also includes a polishing positioning mechanism and a polishing mechanism. The polishing mechanism of the utility model adopts different polishing components for polishing, realizes the polishing of gear shafts with different processing requirements, improves the adaptability of the device, the rotating clamping device drives the gear shaft to rotate, the rotating clamping device realizes the clamping and rotation of gear shafts of various sizes, realizes the clamping of gear shafts of different sizes, the polishing positioning mechanism completes the movement and positioning of the polishing mechanism, ensures the stable movement of the polishing mechanism, and the gear shaft completes the polishing of each step surface through the polishing mechanism.

[0004] However, when the device is polishing the gear shaft, it can only polish the gear shaft with one type of grinding wheel. In order to adapt to the polishing operations of the gear shaft with different precision requirements, it is necessary to manually replace the grinding wheels with different mesh sizes, which is inconvenient. Therefore, it is necessary to provide a new gear shaft polishing device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a gear shaft polishing device.

[0006] The utility model is implemented by the following technical scheme: an operating table, a first translation mechanism is arranged on the top of the operating table, a gantry is arranged on the first translation mechanism, a second translation mechanism is arranged on the gantry, a hydraulic cylinder is arranged on the second translation mechanism, a connecting plate is fixedly installed on the output rod of the hydraulic cylinder, a third motor and a fourth motor are fixedly installed on the connecting plate, a conversion cylinder is rotatably installed on the connecting plate, the shaft rod of the conversion cylinder is fixedly connected to the output shaft of the third motor, a grinding wheel is rotatably installed on the conversion cylinder, the mesh numbers of the three grinding wheels are increased clockwise, a first circular gear is fixedly installed on the output shaft of the fourth motor, second circular gears are fixedly installed on the shaft rods of the three grinding wheels, the first circular gear is meshed with the corresponding second circular gear, and a clamping mechanism is arranged on the operating table.

[0007] As a further improvement of the above scheme, the first translation mechanism includes a first motor fixedly mounted on the operating table, two first screws are rotatably mounted on the operating table, one end of the corresponding first screw is transmission connected to the first motor, one end of the two first screws are fixedly mounted with a first bevel gear, a driving rod is rotatably mounted on the operating table, both ends of the driving rod are fixedly mounted with a second bevel gear, the two first bevel gears are respectively meshed with two second bevel gears, the two first screws are threadedly sleeved with a first slider, and the gantry is fixedly connected to the two first sliders.

[0008] Through the above technical solution, the first bevel gears fixedly mounted on the two first screw rods mesh with the second bevel gears fixedly mounted on the driving rod, driving the gantry fixedly connected to the first slider to translate forward and backward.

[0009] As a further improvement of the above solution, two first slide rails are fixedly installed on the top of the operating table, and the bottom end of the gantry is slidably connected to the two first slide rails.

[0010] Through the above technical solution, the two first slide rails make the forward and backward translation of the first translation mechanism more stable and smooth.

[0011] As a further improvement of the above scheme, the second translation mechanism includes a second motor fixedly mounted on the gantry, a second screw is rotatably mounted on the gantry, one end of the second screw is fixedly connected to the output shaft of the second motor, a second slider is threadedly sleeved on the second screw, and the second slider is fixedly connected to the hydraulic cylinder.

[0012] Through the above technical solution, the second motor can drive the second slider to move left and right through the second screw rod, and at the same time drive the hydraulic cylinder fixedly connected to the second slider.

[0013] As a further improvement of the above solution, a sliding rod is fixedly installed on the gantry, and the sliding rod passes through the second sliding block and is slidably connected to the second sliding block.

[0014] Through the above technical solution, the sliding rod fixedly installed on the gantry is more stable when the second motor drives the second sliding block to translate left and right, and at the same time ensures that the entire second translation mechanism is more stable.

[0015] As a further improvement of the above scheme, the clamping mechanism includes two support plates arranged on an operating table, and an insert cylinder is rotatably installed on the two support plates. A fifth motor is fixedly installed on one of the support plates, and the fifth motor is fixedly connected to the shaft rod of the corresponding insert cylinder. A baffle is fixedly installed on the operating table, and an electric push rod is fixedly installed on the baffle, and the output rod of the electric push rod is fixedly connected to the corresponding support plate.

[0016] Through the above technical solution, when the gear shaft is inserted into the insert cylinder, the fifth motor drives the insert cylinder to rotate, and when the electric push rod is started, the clamping device can be translated left and right to adapt to gear shafts of different sizes.

[0017] As a further improvement of the above solution, two second slide rails and two support blocks are fixedly installed on the operating table, the support plate with the fifth motor is fixedly connected to the two support blocks, and the support plate with the electric push rod is slidably connected to the two second slide rails.

[0018] Through the above technical solution, the two support blocks are fixedly connected to the support plate, and the two second slide rails are slidably connected to the support plate. When the electric push rod pushes the corresponding support plate to move left and right, the second slide rails can ensure that the support plate is more stable.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model cooperates with a hydraulic cylinder, a connecting plate, a third motor, a fourth motor, a conversion cylinder, a grinding wheel, a first circular gear, and a second circular gear, and can replace and use grinding wheels of different mesh sizes when performing a gear shaft polishing operation, so that the polishing effect of the gear shaft is better, the processing quality of the gear shaft is guaranteed, and the gear shaft polishing work is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a first overall structural schematic diagram of the gear shaft polishing device of the utility model;

[0022] Figure 2 This is a second overall structural schematic diagram of the gear shaft polishing device of the utility model;

[0023] Figure 3 The figure is a schematic diagram of the polishing structure of the gear shaft polishing device of the utility model.

[0024] Description of main symbols:

[0025] 1. Operating table; 2. First motor; 3. First screw; 4. First slider; 5. First slide rail; 6. Gantry; 7. Second motor; 8. Second screw; 9. Second slider; 10. Hydraulic cylinder; 11. Connecting plate; 12. Third motor; 13. Conversion cylinder; 14. Grinding wheel; 15. Fourth motor; 16. First circular gear; 17. Second circular gear; 18. Support plate; 19. Fifth motor; 20. Insertion cylinder; 21. Electric push rod. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Please combine Figures 1 to 3The gear shaft polishing device of this embodiment includes: an operating table 1, a first translation mechanism is arranged on the top of the operating table 1, a gantry 6 is arranged on the first translation mechanism, a second translation mechanism is arranged on the gantry 6, a hydraulic cylinder 10 is arranged on the second translation mechanism, a connecting plate 11 is fixedly installed on the output rod of the hydraulic cylinder 10, a third motor 12 and a fourth motor 15 are fixedly installed on the connecting plate 11, a conversion cylinder 13 is rotatably installed on the connecting plate 11, the shaft of the conversion cylinder 13 is fixedly connected to the output shaft of the third motor 12, a grinding wheel 14 is rotatably installed on the conversion cylinder 13, the mesh numbers of the three grinding wheels 14 increase clockwise, a first circular gear 16 is fixedly installed on the output shaft of the fourth motor 15, and second circular gears 17 are fixedly installed on the shafts of the three grinding wheels 14, the first circular gear 16 is meshed with the corresponding second circular gear 17, and a clamping mechanism is arranged on the operating table 1.

[0028] The first translation mechanism includes a first motor 2 fixedly mounted on the operating table 1, two first screws 3 are rotatably mounted on the operating table 1, one end of the corresponding first screws 3 is transmission-connected to the first motor 2, one end of the two first screws 3 are fixedly mounted with a first bevel gear, a driving rod is rotatably mounted on the operating table 1, both ends of the driving rod are fixedly mounted with a second bevel gear, the two first bevel gears are respectively meshed with the two second bevel gears, a first slider 4 is threadedly sleeved on the two first screws 3, and the gantry 6 is fixedly connected to the two first sliders 4.

[0029] Through the above technical solution, the first bevel gears fixedly mounted on the two first screw rods 3 mesh with the second bevel gears fixedly mounted on the driving rod, driving the gantry 6 fixedly connected to the first slider 4 to translate forward and backward.

[0030] Two first slide rails 5 are fixedly mounted on the top of the operating platform 1 , and the bottom end of the gantry 6 is slidably connected to the two first slide rails 5 .

[0031] Through the above technical solution, the two first slide rails 5 make the forward and backward translation of the first translation mechanism more stable and smooth.

[0032] The second translation mechanism includes a second motor 7 fixedly mounted on the gantry 6, a second screw 8 is rotatably mounted on the gantry 6, one end of the second screw 8 is fixedly connected to the output shaft of the second motor 7, a second slider 9 is threadedly sleeved on the second screw 8, and the second slider 9 is fixedly connected to the hydraulic cylinder 10.

[0033] Through the above technical solution, the second motor 7 can drive the second slider 9 to move left and right through the second screw 8, and at the same time drive the hydraulic cylinder 10 fixedly connected to the second slider 9.

[0034] A slide bar is fixedly mounted on the gantry 6 , and the slide bar passes through the second slide block 9 and is slidably connected to the second slide block 9 .

[0035] Through the above technical solution, the slide bar fixedly installed on the gantry 6 is more stable when the second motor 7 drives the second sliding block 9 to translate left and right, and at the same time ensures that the entire second translation mechanism is more stable.

[0036] The clamping mechanism includes two support plates 18 arranged on the operating table 1, and the two support plates 18 are rotatably mounted with an insert cylinder 20. A fifth motor 19 is fixedly mounted on one of the support plates 18, and the fifth motor 19 is fixedly connected to the shaft rod of the corresponding insert cylinder 20. A baffle is fixedly mounted on the operating table 1, and an electric push rod 21 is fixedly mounted on the baffle. The output rod of the electric push rod 21 is fixedly connected to the corresponding support plate 18.

[0037] Through the above technical solution, when the gear shaft is inserted into the insert cylinder 20, the fifth motor 19 drives the insert cylinder 20 to rotate. When the electric push rod 21 is started, the clamping device can be translated left and right to adapt to gear shafts of different sizes.

[0038] Two second slide rails and two support blocks are fixedly installed on the operating table 1, the support plate 18 with the fifth motor 19 is fixedly connected to the two support blocks, and the support plate 18 with the electric push rod 21 is slidably connected to the two second slide rails.

[0039] Through the above technical solution, the two support blocks are fixedly connected to the support plate 18, and the two second slide rails are slidably connected to the support plate 18. When the electric push rod 21 pushes the corresponding support plate 18 to move left and right, the second slide rails can ensure that the support plate 18 is more stable.

[0040] The implementation principle of a gear shaft polishing device in the embodiment of the present application is:

[0041] Step 1: When the gear shaft needs to be polished, one end of the gear shaft is inserted into the insert tube 20 connected to the fifth motor 19, and the other end is inserted into another opposite insert tube 20. At this time, if the size of the gear shaft is not appropriate, start the electric push rod 21 to adjust the position of the support plate 18 until the target size is reached, and then start the first motor 2, and drive the first screw 3 to rotate through the first motor 2. At the same time, through the meshing transmission of the first bevel gear and the second bevel gear, drive the other first screw 3 to rotate, so that the gantry 6 connected to the first slider 4 moves forward and backward, so that the polishing device is located above the gear shaft that needs to be polished;

[0042] The second step: when the polishing device is located above the gear shaft that needs to be polished, start the third motor 12, and the third motor 12 drives the conversion cylinder 13 to rotate, so as to select the grinding wheel 14 with the corresponding mesh number. When the selection is completed, start the hydraulic cylinder 10 to lower the grinding wheel 14 to a position in contact with the surface of the gear shaft. The shaft of the grinding wheel 14 is fixedly mounted with a second circular gear 17, and the second circular gear 17 is meshed with the first circular gear 16. At this time, start the fourth motor 15, and the fourth motor 15 drives the first circular gear 16 and the second circular gear 17 to rotate, and at the same time drives the grinding wheel 14 to rotate, so as to realize the polishing of the gear shaft.

[0043] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A gear shaft polishing device, characterized in that: include: An operating table, a first translation mechanism is arranged on the top of the operating table, a gantry is arranged on the first translation mechanism, a second translation mechanism is arranged on the gantry, a hydraulic cylinder is arranged on the second translation mechanism, a connecting plate is fixedly installed on the output rod of the hydraulic cylinder, a third motor and a fourth motor are fixedly installed on the connecting plate, a conversion cylinder is rotatably installed on the connecting plate, the shaft of the conversion cylinder is fixedly connected to the output shaft of the third motor, a grinding wheel is rotatably installed on the conversion cylinder, the mesh numbers of the three grinding wheels increase clockwise, a first circular gear is fixedly installed on the output shaft of the fourth motor, second circular gears are fixedly installed on the shafts of the three grinding wheels, the first circular gear is meshed with the corresponding second circular gear, and a clamping mechanism is arranged on the operating table.

2. The gear shaft polishing device according to claim 1, characterized in that: The first translation mechanism includes a first motor fixedly mounted on an operating table, two first screws are rotatably mounted on the operating table, one end of the corresponding first screw is transmission-connected to the first motor, one end of the two first screws are fixedly mounted with a first bevel gear, a driving rod is rotatably mounted on the operating table, both ends of the driving rod are fixedly mounted with a second bevel gear, the two first bevel gears are respectively meshed with the two second bevel gears, a first slider is threadedly sleeved on the two first screws, and the gantry is fixedly connected to the two first sliders.

3. The gear shaft polishing device according to claim 1, characterized in that: Two first slide rails are fixedly installed on the top of the operating table, and the bottom end of the gantry is slidably connected to the two first slide rails.

4. The gear shaft polishing device according to claim 1, characterized in that: The second translation mechanism includes a second motor fixedly mounted on the gantry, a second screw is rotatably mounted on the gantry, one end of the second screw is fixedly connected to the output shaft of the second motor, a second slider is threadedly sleeved on the second screw, and the second slider is fixedly connected to the hydraulic cylinder.

5. The gear shaft polishing device according to claim 1, characterized in that: A sliding rod is fixedly mounted on the gantry, and the sliding rod passes through the second sliding block and is slidably connected with the second sliding block.

6. The gear shaft polishing device according to claim 1, characterized in that: The clamping mechanism includes two support plates arranged on the operating table, and an insert cylinder is rotatably installed on the two support plates. A fifth motor is fixedly installed on one of the support plates, and the fifth motor is fixedly connected to the shaft rod of the corresponding insert cylinder. A baffle is fixedly installed on the operating table, and an electric push rod is fixedly installed on the baffle, and the output rod of the electric push rod is fixedly connected to the corresponding support plate.

7. The gear shaft polishing device according to claim 6, characterized in that: Two second slide rails and two support blocks are fixedly installed on the operating table, a support plate installed with a fifth motor is fixedly connected to the two support blocks, and a support plate installed with an electric push rod is slidably connected to the two second slide rails.

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