Precise machine tool for pipe fitting polishing

Abstract

The precise machine tool comprises a first workbench and a second workbench, the side wall of the upper end of one side of the first workbench is fixedly connected with a servo motor, an output shaft of the servo motor is fixedly connected with a lead screw, and the side wall of the lead screw is provided with an opening flattening machine body; the side wall of the lower end of the flattening machine body and the side wall of the upper end of the first workbench are slidably arranged, the side wall of the upper end of the other side of the first workbench is fixedly connected with a fixing plate, and the upper end of the fixing plate is fixedly connected with a protective cover. A plurality of thin-wall stainless steel pipe fitting main bodies can be installed at a time through the disc, the multiple thin-wall stainless steel pipe fitting main bodies on the disc can be machined in turn by rotating the disc, meanwhile, accurate control is conducted according to the lengths and the machining depths of different thin-wall stainless steel pipe fitting main bodies, the machining efficiency can be improved, and the machining precision is improved. And the machining precision can be improved respectively.

Description

Technical Field

[0001] This invention relates to the field of cutting technology for thin-walled stainless steel pipes, and more particularly to a precision machine tool for grinding pipes. Background Technology

[0002] Existing precision machine tools for pipe grinding require alternating mounting and dismounting of thin-walled stainless steel pipes, which consumes a lot of time and reduces processing efficiency. Furthermore, the processing of thin-walled stainless steel pipes does not allow for timely removal of debris, which can easily enter the cutting tool and reduce machining accuracy. Therefore, we propose a precision machine tool for pipe grinding to solve these problems. Summary of the Invention

[0003] The purpose of this invention is to solve the problem that in the prior art, when using a lathe tool to process thin-walled stainless steel tubes, it is necessary to fix them to the same fixing component in turn. This results in a lot of time being spent installing and removing thin-walled stainless steel tubes when processing multiple tubes, which reduces the processing efficiency. At the same time, the chips generated during processing cannot be removed in time, which can easily enter the lathe tool and reduce the processing accuracy. Therefore, this invention proposes a precision machine tool for grinding tubes.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A precision machine tool for grinding pipe fittings includes a first worktable and a second worktable. A servo motor is fixedly connected to the upper sidewall of one side of the first worktable. A lead screw is fixedly connected to the output shaft of the servo motor. A leveling machine body is mounted on the sidewall of the lead screw. The lower sidewall of the leveling machine body is slidably disposed with the upper sidewall of the first worktable. A fixing plate is fixedly connected to the upper sidewall of the other side of the first worktable. A protective cover is fixedly connected to the upper end of the fixing plate. A circular hole matching the cutting edge of the leveling machine body is opened near the sidewall of the servo motor on the protective cover. The sidewall of the fixing plate is rotatably connected to... The device has a main spindle, with a disc fixedly connected to the side wall of the main spindle. Each disc has a slide plate fixedly connected to its side wall. Multiple slide plates are evenly distributed on the side wall of the disc. Each slide plate has a fixing member slidably connected to its inner wall. Each fixing member has a thin-walled stainless steel pipe body fixedly installed on its inner wall. Each thin-walled stainless steel pipe body has a fine adjuster at one end. A mounting frame is fixedly connected to the upper side wall of the second worktable. A bidirectional hydraulic rod is fixedly connected to the upper side wall of the mounting frame. One end of the main spindle is rotatably connected to the side wall of the mounting frame. An adjustment device is installed inside the mounting frame.

[0005] Preferably, the adjusting device includes a secondary shaft and a crank handle. The side wall of the mounting bracket is rotatably connected to the secondary shaft. A first gear is fixedly connected to the side wall of the main shaft, and a second gear is fixedly connected to the side wall of the secondary shaft. The first gear and the second gear are meshed together. A first helical gear is fixedly connected to one end of the secondary shaft. The side wall of the crank handle is rotatably connected to the side wall of the mounting bracket, and a second helical gear is fixedly connected to one end of the crank handle. The first helical gear and the second helical gear are meshed together.

[0006] Preferably, a sealing cylinder is fixedly installed on the upper side wall of the second workbench, and a piston is slidably installed on the inner wall of the sealing cylinder. The side wall of the piston is fixedly connected to one side of the bidirectional hydraulic rod, and one side of the bidirectional hydraulic rod is movably sealed to the side wall of the sealing cylinder. The upper side wall of the protective cover is connected to the side wall of the sealing cylinder near the bidirectional hydraulic rod through a first hydraulic pipe.

[0007] Preferably, the inner walls of the protective cover near the lower end are rotatably connected to baffles, and a hydraulic rod is rotatably connected to the lower side wall of one of the baffles. One end of the hydraulic rod is rotatably connected to the inner wall of the protective cover, and the hydraulic rod is connected to the side wall of the sealing cylinder away from the bidirectional hydraulic rod through a second hydraulic pipe.

[0008] Preferably, a through hole is provided on the lower side wall of the protective cover, and a discharge port matching the through hole is provided on the fixing plate.

[0009] Preferably, the number of the plurality of fixing members is equal to an integer multiple of the number of teeth and radius of the first gear divided by the number of teeth and radius of the second gear, wherein the number of teeth and radius of the first helical gear are the same as the number of teeth and radius of the second helical gear.

[0010] Preferably, the fine-tuning device includes a first mounting component and a second mounting component. The side wall of the first mounting component is provided with an annular scale and a threaded rod. The inner wall of the second mounting component is provided with an internal thread that matches the threaded rod, and the side wall of the second mounting component is provided with a pointer.

[0011] Compared with the prior art, the beneficial effects of the present invention are: This invention allows multiple thin-walled stainless steel pipe bodies to be installed at once using a disc. By rotating the disc, multiple thin-walled stainless steel pipe bodies on the disc can be processed in turn. At the same time, precise control can be made according to the length and processing depth of different thin-walled stainless steel pipe bodies, which can not only improve processing efficiency, but also improve processing accuracy. This invention uses a bidirectional hydraulic rod to drive a piston. As the piston approaches the main body of the leveling machine, the air pressure on the left side of the piston increases. This increased air pressure pushes the gas in the first hydraulic pipe to flow. The flowing gas blows from one end of the first hydraulic pipe to the cutting edge of the leveling machine, removing debris from the cutting edge and preventing it from affecting the flatness of the thin-walled stainless steel pipe body, thus improving the processing quality. At the same time, the air pressure on the right side of the piston decreases. This decreased air pressure drives the hydraulic rod to contract through the second hydraulic pipe. The hydraulic rod pulls the baffle open, causing the generated debris to fall into the discharge port for easy collection and recycling. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of a precision machine tool for grinding pipe fittings proposed in this invention; Figure 2 for Figure 1 Schematic diagram of the structure at point A; Figure 3 This is a schematic diagram of the left side of the main body of a precision machine tool for grinding pipe fittings proposed in this invention; Figure 4 This is a schematic diagram of a disc connection structure for a precision machine tool for grinding pipe fittings, as proposed in this invention. Figure 5 This is a schematic diagram of the first gear connection structure of a precision machine tool for grinding pipe fittings proposed in this invention; Figure 6 This is a schematic diagram of the sealing cylinder connection structure of a precision machine tool for grinding pipe fittings proposed in this invention; Figure 7 This is a schematic diagram of the protective cover connection structure of a precision machine tool for grinding pipe fittings proposed in this invention; Figure 8 This is a schematic diagram of the second helical gear connection structure of a precision machine tool for grinding pipe fittings proposed in this invention.

[0013] In the diagram: 1 First worktable, 2 Second worktable, 3 Servo motor, 4 Lead screw, 5 Main body of the flat-end machine, 6 Fixed plate, 7 Protective cover, 8 Spindle, 9 Disc, 10 Slide plate, 11 Fixing component, 12 Thin-walled stainless steel pipe body, 13 Mounting bracket, 14 Bidirectional hydraulic rod, 15 Countershaft, 16 Handle, 17 First gear, 18 Second gear, 19 First helical gear, 20 Second helical gear, 21 Sealed cylinder, 22 Piston, 23 First hydraulic pipe, 24 Baffle, 25 Hydraulic rod, 26 Second hydraulic pipe, 27 Discharge port, 28 First mounting component, 29 Second mounting component, 30 Annular scale, 31 Pointer, 32 Threaded rod. Detailed Implementation

[0014] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0015] Reference Figure 1-8 A precision machine tool for grinding pipe fittings includes a first worktable 1 and a second worktable 2. A servo motor 3 is fixedly connected to the upper side wall of one side of the first worktable 1. A lead screw 4 is fixedly connected to the output shaft of the servo motor 3. A leveling machine body 5 is provided on the side wall of the lead screw 4. The lower side wall of the leveling machine body 5 is slidably disposed with the upper side wall of the first worktable 1. A fixing plate 6 is fixedly connected to the upper side wall of the other side of the first worktable 1. A protective cover 7 is fixedly connected to the upper end of the fixing plate 6. A circular hole matching the cutting edge of the leveling machine body 5 is opened near the side wall of the servo motor 3. A spindle 8 is rotatably connected to the side wall of the fixing plate 6. A disc 9 is fixedly connected to the side wall of the main spindle 8. A slide plate 10 is fixedly connected to the side wall of the disc 9. Multiple slide plates 10 are evenly distributed on the side wall of the disc 9. Fixing parts 11 are slidably connected to the inner walls of multiple slide plates 10. Thin-walled stainless steel pipe bodies 12 are fixedly installed on the inner walls of multiple fixing parts 11. A fine adjuster is installed at one end of multiple thin-walled stainless steel pipe bodies 12. A mounting frame 13 is fixedly connected to the upper side wall of the second worktable 2. A bidirectional hydraulic rod 14 is fixedly connected to the upper side wall of the mounting frame 13. One end of the main spindle 8 is rotatably connected to the side wall of the mounting frame 13. An adjustment device is installed inside the mounting frame 13. The disc 9 can install multiple thin-walled stainless steel pipe bodies 12 at one time. By rotating the disc 9, multiple thin-walled stainless steel pipe bodies 12 on the disc 9 can be processed in turn. At the same time, the processing depth can be precisely controlled according to the length of different thin-walled stainless steel pipe bodies 12. This not only improves processing efficiency but also improves processing accuracy. The protective cover 7 can block the flying debris generated during processing. The protective cover 7 is made of transparent tempered glass, which makes it convenient to observe the processing process.

[0016] The adjusting device includes a secondary shaft 15 and a crank handle 16. The side wall of the mounting bracket 13 is rotatably connected to the secondary shaft 15. A first gear 17 is fixedly connected to the side wall of the main shaft 8, and a second gear 18 is fixedly connected to the side wall of the secondary shaft 15. The first gear 17 and the second gear 18 are meshed. A first helical gear 19 is fixedly connected to one end of the secondary shaft 15. The side wall of the crank handle 16 is rotatably connected to the side wall of the mounting bracket 13, and a second helical gear 20 is fixedly connected to one end of the crank handle 16. The first helical gear 19 and the second helical gear 20 are meshed. Both ends of the bidirectional hydraulic rod 14 extend simultaneously. One end of the bidirectional hydraulic rod 14 pushes the corresponding thin-walled stainless steel pipe body 12 closer to the flat-end mill body 5, facilitating the processing of the thin-walled stainless steel pipe body 12.

[0017] A sealing cylinder 21 is fixedly installed on the upper side wall of the second workbench 2. A piston 22 is slidably installed on the inner wall of the sealing cylinder 21. The side wall of the piston 22 is fixedly connected to one side of the bidirectional hydraulic rod 14. One side of the bidirectional hydraulic rod 14 is movably sealed to the side wall of the sealing cylinder 21. The upper side wall of the protective cover 7 is connected to the side wall of the sealing cylinder 21 near the bidirectional hydraulic rod 14 through the first hydraulic pipe 23. When the piston 22 moves closer to the body 5 of the leveling machine, the air pressure on the left side of the piston 22 increases. The increased air pressure pushes the gas in the first hydraulic pipe 23 to flow. The flowing gas blows from one end of the first hydraulic pipe 23 to the cutting edge of the body 5 of the leveling machine, blowing away the debris on the cutting edge of the body 5 of the leveling machine, avoiding the debris from affecting the flatness of the thin-walled stainless steel pipe body 12 and improving the processing quality.

[0018] The inner walls of the protective cover 7 near its lower end are rotatably connected to baffles 24. One of the baffles 24 has a hydraulic rod 25 rotatably connected to its lower side wall. One end of the hydraulic rod 25 is rotatably connected to the inner wall of the protective cover 7. The hydraulic rod 25 is connected to the side wall of the sealing cylinder 21 away from the bidirectional hydraulic rod 14 via a second hydraulic pipe 26. When the air pressure at the right end of the piston 22 decreases, the reduced air pressure drives the hydraulic rod 25 to contract via the second hydraulic pipe 26. The hydraulic rod 25 pulls the baffles 24 open, causing the generated debris to fall into the discharge port 27 for easy collection and recycling.

[0019] A through hole is provided on the lower side wall of the protective cover 7, and a discharge port 27 matching the through hole is provided on the fixing plate 6. This facilitates the collection of debris generated from each processing operation from the discharge port 27 for recycling.

[0020] The number of multiple fixing parts 11 is equal to an integer multiple of the number of teeth and radius of the first gear 17 divided by the number of teeth and radius of the second gear 18. The number of teeth and radius of the first helical gear 19 are the same as those of the second helical gear 20. Since the number of fixing parts 11 is an integer multiple of the number of teeth and radius of the first gear 17 being an integer multiple of the number of teeth and radius of the second gear 18, when the crank 16 rotates one revolution, the disc 9 will rotate by an integer multiple of one part.

[0021] The fine-tuning device includes a first mounting part 28 and a second mounting part 29. The first mounting part 28 has an annular scale 30 on its side wall and a threaded rod 32 on its side wall. The second mounting part 29 has an internal thread that matches the threaded rod 32 on its inner wall and a pointer 31 on its side wall. By rotating the second mounting part 29 and using the pointer 31 in conjunction with the annular scale 30, the machining accuracy of each thin-walled stainless steel pipe body 12 can be precisely controlled.

[0022] When processing multiple thin-walled stainless steel pipe fitting bodies 12, the processing distance for each body 12 is first determined. The length of each processed body 12 is less than the distance between the feed of the end mill body 5 and the maximum extension rod near the bidirectional hydraulic rod 14. Fine adjusters are installed at one end of each body 12 of different lengths. When the length of the processed body 12 plus the length of the fine adjuster are the same, it indicates that the processing distance for this batch of body 12 is the same. If the processing distance varies, the second mounting part 29 is rotated, and the pointer 31 is used in conjunction with the annular scale 30. This allows for precise control of the processing accuracy of each thin-walled stainless steel pipe fitting body 12. The thin-walled stainless steel pipe fitting bodies 12 are then mounted on fixing members 11, with one of the fixing members 11 aligned with the bidirectional hydraulic rod 14. The bidirectional hydraulic rod 14 is activated, causing both ends to extend simultaneously. One end of the bidirectional hydraulic rod 14 pushes the corresponding thin-walled stainless steel pipe fitting body 12 closer to the end milling machine body 5. The end milling machine body 5 is then activated, and the servo motor 3 drives the lead screw 4 to rotate. The lead screw 4 drives the end milling machine body 5 to advance, completing the processing of the thin-walled stainless steel pipe fitting body 12. The bidirectional hydraulic rod 14 then retracts. Figure 1As shown, the left rod of the bidirectional hydraulic rod 14 disengages from the fine adjuster, and the right rod of the bidirectional hydraulic rod 14 pulls the piston 22. The air pressure on the left side of the piston 22 increases, and the increased air pressure pushes the gas in the first hydraulic pipe 23 to flow. The flowing gas blows the cutting edge of the flat-end machine body 5 from one end of the first hydraulic pipe 23, blowing away the debris on the cutting edge of the flat-end machine body 5, preventing the debris from affecting the flatness of the thin-walled stainless steel pipe body 12 and improving the processing quality. At the same time, the air pressure on the right end of the piston 22 decreases, and the decreased air pressure drives the hydraulic rod 25 to retract through the second hydraulic pipe 26. The hydraulic rod 25 pulls the baffle 24 to open, allowing the generated debris to fall into the discharge port 27 for unified collection and recycling. After the bidirectional hydraulic rod 14 retracts, the flat-end machine body 5 retracts, and the crank handle 16 rotates one revolution. The crank handle 16 drives the second helical gear 20 to rotate, and the second helical gear 20 meshes with the first helical gear 19 for transmission. The first helical gear 19 drives the secondary shaft 15 to rotate. Shaft 15 drives the second gear 18 to rotate, the second gear 18 meshes with the first gear 17 for transmission, the first gear 17 drives the main shaft 8 to rotate, and the main shaft 8 drives the disc 9 to rotate. Since the number of fixed parts 11 is equal to the number of teeth and radius of the first gear 17, which is an integer multiple of the number of teeth and radius of the second gear 18, the disc 9 will rotate an integer multiple of one-half when the crank handle 16 rotates one revolution. The rotation of the disc 9 aligns the next fixed part 11 with the bidirectional hydraulic rod 14, and the bidirectional hydraulic rod 14 extends to both ends. The air pressure at the right end of the piston 22 increases, and the increased air pressure causes the hydraulic rod 25 to extend. The hydraulic rod 25 pushes the baffle 24, causing the two baffles 24 to close. The above operation is repeated until the thin-walled stainless steel pipe body 12 installed on the disc 9 is processed. All the processed thin-walled stainless steel pipe bodies 12 are removed, and then the thin-walled stainless steel pipe bodies 12 that need to be processed are reinstalled. This shortens the time of alternating fixation on the same fixed part 11 and greatly improves the processing efficiency.

[0023] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A precision machine tool for grinding pipe fittings, comprising a first worktable (1) and a second worktable (2), characterized in that, A servo motor (3) is fixedly connected to the upper side wall of one side of the first worktable (1). A lead screw (4) is fixedly connected to the output shaft of the servo motor (3). A flat-end machine body (5) is provided on the side wall of the lead screw (4). The lower side wall of the flat-end machine body (5) is slidably disposed with the upper side wall of the first worktable (1). A fixing plate (6) is fixedly connected to the upper side wall of the other side of the first worktable (1). A protective cover (7) is fixedly connected to the upper end of the fixing plate (6). A circular hole matching the cutting edge of the flat-end machine body (5) is opened near the side wall of the servo motor (3). A main shaft (8) is rotatably connected to the side wall of the fixing plate (6). A disc (9) is fixedly connected to the side wall of the main shaft (8). The sidewalls of the disc (9) are all fixedly connected to sliding plates (10), and multiple sliding plates (10) are evenly distributed on the sidewalls of the disc (9). The inner walls of multiple sliding plates (10) are slidably connected to fixing parts (11), and the inner walls of multiple fixing parts (11) are fixedly provided with thin-walled stainless steel pipe bodies (12). One end of multiple thin-walled stainless steel pipe bodies (12) is provided with a fine adjuster. The upper sidewall of the second workbench (2) is fixedly connected to a mounting frame (13), and the upper sidewall of the mounting frame (13) is fixedly connected to a bidirectional hydraulic rod (14). One end of the main shaft (8) is rotatably connected to the sidewall of the mounting frame (13), and the mounting frame (13) is provided with an adjustment device.

2. The precision machine tool for grinding pipe fittings according to claim 1, characterized in that, The adjustment device includes a secondary shaft (15) and a rocker arm (16). The side wall of the mounting bracket (13) is rotatably connected to the secondary shaft (15). The side wall of the main shaft (8) is fixedly connected to a first gear (17). The side wall of the secondary shaft (15) is fixedly connected to a second gear (18). The first gear (17) and the second gear (18) are meshed together. One end of the secondary shaft (15) is fixedly connected to a first helical gear (19). The side wall of the rocker arm (16) is rotatably connected to the side wall of the mounting bracket (13). One end of the rocker arm (16) is fixedly connected to a second helical gear (20). The first helical gear (19) and the second helical gear (20) are meshed together.

3. The precision machine tool for grinding pipe fittings according to claim 2, characterized in that, A sealing cylinder (21) is fixedly installed on the upper side wall of the second workbench (2). A piston (22) is slidably installed on the inner wall of the sealing cylinder (21). The side wall of the piston (22) is fixedly connected to one side of the bidirectional hydraulic rod (14). One side of the bidirectional hydraulic rod (14) is movably sealed to the side wall of the sealing cylinder (21). The upper side wall of the protective cover (7) is connected to the side wall of the sealing cylinder (21) near the bidirectional hydraulic rod (14) through the first hydraulic pipe (23).

4. The precision machine tool for grinding pipe fittings according to claim 3, characterized in that, The protective cover (7) is rotatably connected to baffles (24) on both sides near the lower end of the inner wall. One of the baffles (24) is rotatably connected to a hydraulic rod (25) on the lower side wall. One end of the hydraulic rod (25) is rotatably connected to the inner wall of the protective cover (7). The hydraulic rod (25) is connected to the sealing cylinder (21) away from the side wall of the bidirectional hydraulic rod (14) through a second hydraulic pipe (26).

5. A precision machine tool for grinding pipe fittings according to claim 1, characterized in that, The protective cover (7) has a through hole on its lower side wall, and the fixing plate (6) has a discharge port (27) that matches the through hole.

6. The precision machine tool for grinding pipe fittings according to claim 2, characterized in that, The number of the plurality of fixing parts (11) is equal to the number of teeth and radius of the first gear (17) divided by the number of teeth and radius of the second gear (18), and the number of teeth and radius of the first helical gear (19) are the same as those of the second helical gear (20).

7. A precision machine tool for grinding pipe fittings according to claim 1, characterized in that, The fine-tuner includes a first mounting part (28) and a second mounting part (29). The first mounting part (28) has an annular scale (30) on its side wall and a threaded rod (32) on its side wall. The second mounting part (29) has an internal thread that matches the threaded rod (32) on its inner wall and a pointer (31) on its side wall.

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