Polishing device for flange machining

Abstract

The polishing device for flange machining comprises a workbench, a three-jaw chuck and a fixing frame are arranged at the top of the workbench, a hydraulic cylinder is arranged at the top of the fixing frame, an output shaft of the hydraulic cylinder penetrates through the fixing frame to be connected with a protection box, and an installation box is arranged at the bottom of the protection box. A driving motor is arranged at the top of the mounting box, an output shaft of the driving motor penetrates through the mounting box to be connected with a driving shaft, a grinding disc is arranged at the bottom of the driving shaft, the outer wall of the driving shaft is fixedly sleeved with a driving gear, and a plurality of sleeves are rotationally mounted in the mounting box and distributed in an annular array mode relative to the driving shaft. The outer wall of the sleeve is fixedly sleeved with a driven gear. By means of the arrangement, the flange can be drilled while the end face of the flange is polished, the machining time of the flange needing to be drilled and the end face of the flange needing to be polished can be saved, the machining efficiency can be improved conveniently, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to a polishing device used for flange processing. Background Art

[0002] Flange, also known as flange flange or flange. Flange is a part that connects shafts to each other and is used to connect pipe ends. The flange end face is the key part of the flange connection and needs to be finely processed to ensure the sealing of the connection.

[0003] During the processing of flanges, drilling and end face polishing are required. The connection holes created by drilling are used to pass bolts, and end face polishing is used to ensure the sealing of flange connections. Most existing polishing devices have a single function and can only polish flange end faces, but cannot perform drilling while polishing flange end faces. For flanges that need drilling and end face polishing, it cannot save processing time, and thus it is inconvenient to improve processing efficiency, which has certain limitations.

[0004] Therefore, it is necessary to provide a polishing device for flange processing to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a polishing device for flange processing to solve the problems raised in the above background technology.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A polishing device for flange processing, comprising a workbench, a three-jaw chuck and a fixed frame are arranged on the top of the workbench, a hydraulic cylinder is arranged on the top of the fixed frame, an output shaft of the hydraulic cylinder passes through the fixed frame and is connected to a protection box, an installation box is arranged at the bottom of the protection box, a driving motor is arranged on the top of the installation box, the output shaft of the driving motor passes through the installation box and is connected to a driving shaft, a grinding disc is arranged at the bottom of the driving shaft, a driving gear is fixedly sleeved on the outer wall of the driving shaft, a plurality of sleeves are rotatably installed inside the installation box, the plurality of sleeves are distributed in an annular array about the driving shaft, a driven gear is fixedly sleeved on the outer wall of the sleeve, the driven gear is meshed and connected with the driving gear, a drill rod is arranged inside the sleeve, a block is arranged on one side of the drill rod, a slot matched with the block is arranged inside the sleeve, the slot can allow the block to slide vertically, a circular plate is slidably installed in the protection box, the top of the drill rod is rotatably connected to the circular plate, a cylinder is arranged on the top of the installation box, and the output shaft of the cylinder is connected to the circular plate.

[0008] Preferably, both sides of the inner wall of the protection box are provided with sliding grooves, and both ends of the circular ring plate are provided with sliding blocks, and the two sliding blocks are slidably arranged in the two sliding grooves respectively.

[0009] Preferably, two cylinders are provided, and the two cylinders are symmetrically arranged with respect to the driving motor.

[0010] Preferably, legs are provided at the bottom of the workbench and near the four end corners.

[0011] The beneficial effects of the utility model are as follows: the flange is fixed by a three-jaw chuck, the driving motor is started to drive the active shaft and the grinding disc at the bottom thereof to rotate, the hydraulic cylinder is started to extend its output shaft, so that the rotating grinding disc contacts the flange end face, and the flange end face is polished, the active shaft rotates to drive the active gear on its outer side to rotate, and through the meshing of the driven gear, to drive a number of annularly distributed sleeves to rotate, and through the limiting of the block and the slot, the drill rod inside the sleeve is driven to rotate, and the slot allows the block to move vertically, the cylinder output shaft contracts to drive the lifting plate to move downward, thereby driving a number of drill rods to rotate and move downward at the same time, so as to drill holes on the peripheral side of the flange. Through the above-mentioned arrangement, the flange can be drilled while the flange end face is polished, and for flanges that need to be drilled and end face polished, processing time can be saved, thereby facilitating the improvement of processing efficiency, and it has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.

[0013] Figure 1 A front view of the whole provided by the utility model;

[0014] Figure 2 A front cross-sectional view of the protection box and the installation box provided by the utility model;

[0015] Figure 3 A bottom view of the driving gear and the driven gear provided by the utility model in the protective box;

[0016] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0017] Figure 5 A front cross-sectional view of the sleeve provided by the utility model;

[0018] Figure 6 This is a top view of the circular ring plate provided by the utility model.

[0019] Among them, 1. workbench; 2. three-jaw chuck; 3. fixed frame; 4. hydraulic cylinder; 5. protective box; 6. installation box; 7. driving motor; 8. driving shaft; 9. grinding disc; 10. driving gear; 11. sleeve; 12. driven gear; 13. drill rod; 14. block; 15. slot; 16. ring plate; 17. cylinder; 18. slide; 19. slider; 20. support leg. DETAILED DESCRIPTION

[0020] See also Figures 1 to 6 A polishing device for flange processing shown in the figure comprises a workbench 1, a three-jaw chuck 2 and a fixed frame 3 are arranged on the top of the workbench 1, a hydraulic cylinder 4 is arranged on the top of the fixed frame 3, the output shaft of the hydraulic cylinder 4 passes through the fixed frame 3 and is connected to a protection box 5, a mounting box 6 is arranged at the bottom of the protection box 5, a driving motor 7 is arranged on the top of the mounting box 6, the output shaft of the driving motor 7 passes through the mounting box 6 and is connected to a driving shaft 8, a grinding disc 9 is arranged at the bottom of the driving shaft 8, a driving gear 10 is fixedly sleeved on the outer wall of the driving shaft 8, a plurality of sleeves 11 are rotatably installed inside the mounting box 6, and a plurality of The sleeve 11 is distributed in a circular array about the driving shaft 8, and a driven gear 12 is fixedly sleeved on the outer wall of the sleeve 11, and the driven gear 12 is meshed and connected with the driving gear 10. A drill rod 13 is arranged inside the sleeve 11, and a block 14 is arranged on one side of the drill rod 13. A groove 15 adapted to the block 14 is arranged inside the sleeve 11, and the groove 15 allows the block 14 to slide vertically. A circular plate 16 is slidably installed in the protective box 5, and the top of the drill rod 13 is rotatably connected to the circular plate 16. A cylinder 17 is arranged on the top of the installation box 6, and the output shaft of the cylinder 17 is connected to the circular plate 16.

[0021] Furthermore, both sides of the inner wall of the protection box 5 are provided with slide grooves 18 , and both ends of the annular plate 16 are provided with sliders 19 , and the two sliders 19 are slidably disposed in the two slide grooves 18 , respectively.

[0022] The slider 19 and the slide groove 18 are arranged so as to limit the annular plate 16 vertically.

[0023] Furthermore, two cylinders 17 are provided, and the two cylinders 17 are symmetrically arranged with respect to the driving motor 7 .

[0024] The two cylinders 17 are provided to ensure smoothness of the lifting and lowering of the annular plate 16 .

[0025] Furthermore, legs 20 are provided at the bottom of the workbench 1 and near the four end corners.

[0026] The workbench 1 is stably supported by four legs 20 .

[0027] When the utility model is used, the flange is fixed by the three-jaw chuck 2, the driving motor 7 is started to drive the driving shaft 8 and the grinding disc 9 at the bottom to rotate, the hydraulic cylinder 4 is started to extend its output shaft, thereby driving the protective box 5 to move downward, so that the rotating grinding disc 9 contacts the flange end face, thereby polishing the flange end face, the driving shaft 8 drives the driving gear 10 on its outer side to rotate when it rotates, and through the meshing of the driven gear 12, drives a number of annularly distributed sleeves 11 to rotate, through the limit of the block 14 and the slot 15, drives the drill rod 13 inside the sleeve 11 to rotate, and the slot 15 can provide the block 14 to move vertically, the cylinder 17 output shaft shrinks and drives the lifting plate 16 to move downward, thereby driving a number of drill rods 13 to rotate and move downward at the same time, thereby drilling the peripheral side of the flange. Through the above-mentioned setting, the flange can be drilled while the flange end face is polished. For flanges that need to be drilled and end face polished, it can save processing time, thereby facilitating the improvement of processing efficiency, and has strong practicality.

[0028] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A polishing device for flange processing, characterized in that: The invention comprises a workbench, a three-jaw chuck and a fixed frame are arranged on the top of the workbench, a hydraulic cylinder is arranged on the top of the fixed frame, an output shaft of the hydraulic cylinder passes through the fixed frame and is connected to a protection box, an installation box is arranged at the bottom of the protection box, a driving motor is arranged on the top of the installation box, an output shaft of the driving motor passes through the installation box and is connected to a driving shaft, a grinding disc is arranged at the bottom of the driving shaft, a driving gear is fixedly sleeved on the outer wall of the driving shaft, a plurality of sleeves are rotatably installed inside the installation box, and the plurality of sleeves are distributed in an annular array about the driving shaft, a driven gear is fixedly sleeved on the outer wall of the sleeve, and the driven gear is meshed and connected with the driving gear, a drill rod is arranged inside the sleeve, a block is arranged on one side of the drill rod, a slot matched with the block is arranged inside the sleeve, and the slot can allow the block to slide vertically, a circular plate is slidably installed in the protection box, the top of the drill rod is rotatably connected with the circular plate, a cylinder is arranged on the top of the installation box, and the output shaft of the cylinder is connected to the circular plate.

2. A polishing device for flange processing according to claim 1, characterized in that: Slide grooves are arranged on both sides of the inner wall of the protection box, and sliding blocks are arranged on both ends of the circular ring plate. The two sliding blocks are respectively slidably arranged in the two slide grooves.

3. A polishing device for flange processing according to claim 1, characterized in that: There are two cylinders, and the two cylinders are symmetrically arranged with respect to the driving motor.

4. A polishing device for flange processing according to claim 1, characterized in that: Support legs are arranged at the bottom of the workbench and near the four end corners.

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