External cylindrical polishing machine

Abstract

The utility model provides an external cylindrical polishing machine, which belongs to the technical field of external cylindrical polishing; the external cylindrical polishing machine comprises: a workbench, a first bearing seat, a driving shaft, a grinding wheel, a fixed plate, a lead screw, a movable plate, a vertical plate, a mounting plate, a support frame, a second bearing seat, a rotating shaft and an auxiliary wheel; by rotating the lead screw, the lead screw drives the movable plate to move, so as to adjust the distance between the auxiliary wheel and the grinding wheel, so that circular shafts of different specifications can be placed between the auxiliary wheel and the grinding wheel, so as to improve the applicability of the product, and at the same time, it can also realize grinding of circular shafts of different specifications without changing the grinding wheel, so as to reduce the difficulty of using the product and thus improve the use experience of the product.

Description

Technical Field

[0001] The utility model belongs to the technical field of external cylindrical polishing, and in particular relates to an external cylindrical polishing machine. Background Art

[0002] In the related art, when machining a circular shaft, in order to improve the surface accuracy and smoothness of the circular shaft, the outer cylindrical surface of the circular shaft needs to be polished and ground.

[0003] The prior art (publication number: CN220007068U) discloses an outer cylindrical polishing and grinding device, which places a cylindrical rod in the placement seat 5 on each chain plate on the conveyor, and then starts the chain conveyor 4. When the first group of cylindrical rods reaches the bottom of the polishing roller 9, the conveyor stops conveying. After polishing, the second cylindrical rod is conveyed. After the second cylindrical rod is polished, the third cylindrical rod is conveyed, and polishing is carried out in this way. The previously polished cylindrical rod continues to be conveyed forward until it is conveyed to the polishing roller 9. Figure 1 At the left end of the continuous conveyor 4, that is, the position where the arc-shaped blanking plate 7 is adapted to the placement seat 5, the first polished cylindrical rod in the placement seat 5 will fall into the arc-shaped blanking plate 7 along the arc surface of the inclined placement seat 5, and then fall into the collection box 6 to complete the collection. The whole operation process is as above.

[0004] In the prior art, since the distance between the grinding and polishing roller and the placement seat on which the cylindrical rod is placed cannot be adjusted, only cylindrical rods of the same specification can be ground, thereby reducing the applicability of the product. Utility Model Content

[0005] In order to solve the problem in the prior art that the distance between the grinding and polishing roller and the placement seat on which the cylindrical rod is placed cannot be adjusted, resulting in only being able to grind cylindrical rods of the same specification, thereby reducing the applicability of the product, the utility model provides an external cylindrical polishing machine, which uses a rotating screw to drive a moving plate to move to adjust the distance between the auxiliary wheel and the grinding wheel, so that circular shafts of different specifications can be placed between the auxiliary wheel and the grinding wheel, thereby improving the applicability of the product. The specific technical solution is:

[0006] An external cylindrical polishing machine, the external cylindrical polishing machine comprises: a workbench, a first bearing seat, a driving shaft, a grinding wheel, a fixed plate, a screw, a movable plate, a vertical plate, a mounting plate, a support frame, a second bearing seat, a rotating shaft and an auxiliary wheel; the first bearing seat is fixed on the workbench; the driving shaft passes through the first bearing seat, and the driving shaft is rotatably connected to the first bearing seat; the grinding wheel is sleeved on the outer side of the driving shaft; two fixed plates are fixed on the workbench, and there is a gap between the two fixed plates; a first external thread is arranged on the outer wall of the screw, and the two ends of the screw are rotatably connected to the two fixed plates respectively; a threaded hole is arranged in the movable plate, and the screw hole A first internal thread is provided in the groove hole, and the lead screw passes through the threaded hole of the movable plate; the vertical plate is connected to the movable plate, and the vertical plate is perpendicular to the movable plate; a clearance groove is provided in the mounting plate, and the mounting plate is connected to the vertical plate; the support frame is V-shaped, and the support frame is connected to the mounting plate; the second bearing seat is fixed on the movable plate, and the second bearing seat is located on one side of the vertical plate; the rotating shaft passes through the second bearing seat, and the rotating shaft is rotatably connected to the second bearing seat; the auxiliary wheel is mounted on the outside of the rotating shaft, and the auxiliary wheel passes through the clearance groove; wherein the grinding wheel and the auxiliary wheel are located on both sides of the support frame, and the first external thread is adapted to the first internal thread.

[0007] In addition, the cylindrical polishing machine in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the cylindrical polishing machine also includes: a first motor, a first pulley, a second pulley and a belt; the first motor is provided with a first output shaft, and the first motor is fixed on a workbench; the first pulley is mounted on the outside of the first output shaft of the first motor; the second pulley is mounted on the outside of the drive shaft; and the belt is mounted on the outside of the first pulley and the second pulley at the same time.

[0009] In the above technical scheme, the external cylindrical polishing machine also includes: a connecting shaft, a pressure plate and a locking nut; a second external thread is arranged on the outer wall of the connecting shaft, one end of the connecting shaft is connected to the end of the driving shaft, and the connecting shaft passes through the grinding wheel; the pressure plate is arranged around the outer side of the connecting shaft, and the pressure plate is fitted with the grinding wheel; a second internal thread is arranged in the locking nut, the locking nut is mounted on the outer side of the connecting shaft, and the locking nut is fitted with the pressure plate; wherein the second external thread is adapted to the second internal thread.

[0010] In the above technical solution, the external cylindrical polishing machine also includes: a second motor, a first gear and a second gear; the second motor is provided with a second output shaft, and the second motor is fixed on the movable plate; the first gear is mounted on the outside of the second output shaft of the second motor; the second gear is mounted on the outside of the rotating shaft, and the second gear is meshed with the first gear.

[0011] In the above technical solution, the outer cylindrical polishing machine also includes: a smooth bar and a handwheel; the two ends of the smooth bar are respectively connected to the two fixed plates, and the smooth bar passes through the movable plate; the handwheel is mounted on the outside of the screw, and the handwheel is located on the outside of the fixed plate.

[0012] In the above technical solution, the external cylindrical polishing machine also includes: an adjusting shaft and an adjusting nut; a third external thread is arranged on the outer wall of the adjusting shaft, the adjusting shaft passes through the mounting plate, and the adjusting shaft is connected to the support frame; a third internal thread is arranged in the adjusting nut, the two adjusting nuts are mounted on the outer side of the adjusting shaft, and the two adjusting nuts are respectively fitted with the two sides of the mounting plate; wherein, the third external thread is adapted to the third internal thread.

[0013] In the above technical scheme, the external cylindrical polishing machine also includes: a dust hood, a dust collecting box and an exhaust pipe; the dust hood is a hollow cavity with openings at both ends, the dust hood is placed on the top wall of the workbench, and the dust hood passes through the top of the workbench; the dust collecting box is a hollow cavity, the dust collecting box is installed in the workbench, and the dust collecting box is connected to the dust hood; the exhaust pipe is a hollow cavity with openings at both ends, and the exhaust pipe is connected to the top of the dust collecting box.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By rotating the lead screw, the lead screw drives the movable plate to move to adjust the distance between the auxiliary wheel and the grinding wheel, so that round shafts of different specifications can be placed between the auxiliary wheel and the grinding wheel to improve the applicability of the product. At the same time, it can also achieve grinding of round shafts of different specifications without changing the grinding wheel, so as to reduce the difficulty of using the product and thus improve the product experience.

[0016] 2. By putting the second pulley on the outside of the driving shaft and putting the belt on the outside of the first pulley and the second pulley at the same time, when the first motor drives the first pulley to rotate, the first pulley drives the driving shaft to rotate through the belt and the second pulley, thereby providing power for rotating the driving shaft to improve the product experience.

[0017] 3. By putting the locking nut on the outside of the connecting shaft and fitting the locking nut with the pressure plate, the locking nut can fix the pressure plate on the outside of the connecting shaft, thereby ensuring that the pressure plate can press the grinding wheel onto the driving shaft, thereby improving the stability of the driving shaft driving the grinding wheel to rotate.

[0018] 4. By sleeved the second gear on the outside of the rotating shaft and meshing the second gear with the first gear, when the second motor drives the first gear to rotate, the second motor drives the second gear to rotate through the first gear, thereby driving the rotating shaft to rotate, and further providing power for rotating the rotating shaft.

[0019] 5. By passing the optical bar through the moving plate, the moving plate can move along the optical bar to avoid the moving plate from deflecting during movement, thereby improving the stability of the moving plate. By sleeved the handwheel on the outside of the lead screw and placing the handwheel on the outside of the fixed plate, the lead screw can be rotated by turning the handwheel, thereby reducing the difficulty of rotating the lead screw and improving the user experience of the product.

[0020] 6. By passing the adjusting shaft through the mounting plate and connecting the adjusting shaft to the support frame, the support frame and the adjusting shaft can move synchronously, so as to adjust the distance that the adjusting shaft passes through the mounting plate to adjust the distance between the support frame, the mounting plate and the auxiliary wheel, thereby achieving that circular shafts of different specifications placed in the support frame can all contact with the auxiliary wheel to ensure that the auxiliary wheel can drive the circular shaft to rotate.

[0021] 7. With the above structure, the exhaust pipe is first connected to the air pump; then, the air pump is started to draw out the air in the dust box to form a negative pressure in the dust box; then, when the grinding wheel is grinding and polishing the round shaft, due to the negative pressure formed in the dust box, the iron filings and dust generated by the grinding and polishing of the round shaft will enter the dust box through the dust hood, thereby preventing the iron filings and dust from entering the air, thereby avoiding environmental pollution and improving the industrial and mining environment of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a top view of an external cylindrical polishing machine of the utility model;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 It is a front view of the workbench of the utility model;

[0025] Figure 4 A three-dimensional diagram of the support frame of the utility model;

[0026] in, Figures 1 to 4 The corresponding relationship between the reference numerals and component names in the figure is:

[0027] 10 workbench, 11 first bearing seat, 12 driving shaft, 13 grinding wheel, 14 fixed plate, 15 screw, 16 moving plate, 17 vertical plate, 18 mounting plate, 19 clearance groove, 20 support frame, 21 second bearing seat, 22 rotating shaft, 23 auxiliary wheel, 24 first motor, 25 first pulley, 26 second pulley, 27 belt, 28 connecting shaft, 29 pressure plate, 30 locking nut, 31 second motor, 32 first gear, 33 second gear, 34 smooth bar, 35 handwheel, 36 adjusting shaft, 37 adjusting nut, 38 dust cover, 39 dust box, 40 exhaust pipe. DETAILED DESCRIPTION

[0028] The following is a combination of specific implementation cases and attached Figure 1-Figure 4 The present invention is further described below, but the present invention is not limited to these embodiments.

[0029] An external cylindrical polishing machine, such as Figures 1 to 4 As shown, the cylindrical polishing machine includes: a workbench 10, a first bearing seat 11, a driving shaft 12, a grinding wheel 13, a fixed plate 14, a lead screw 15, a movable plate 16, a vertical plate 17, a mounting plate 18, a support frame 20, a second bearing seat 21, a rotating shaft 22 and an auxiliary wheel 23; the first bearing seat 11 is fixed on the workbench 10; the driving shaft 12 passes through the first bearing seat 11, and the driving shaft 12 is rotatably connected to the first bearing seat 11; the grinding wheel 13 is sleeved on the outer side of the driving shaft 12; two fixed plates 14 are fixed on the workbench 10, and there is a gap between the two fixed plates 14; a first external thread is provided on the outer wall of the lead screw 15, and the two ends of the lead screw 15 are rotatably connected to the two fixed plates 14 respectively; a threaded hole is provided in the movable plate 16, and the threaded hole A first internal thread is provided, and the lead screw 15 passes through the threaded hole of the movable plate 16; the vertical plate 17 is connected to the movable plate 16, and the vertical plate 17 is perpendicular to the movable plate 16; a clearance groove 19 is provided in the mounting plate 18, and the mounting plate 18 is connected to the vertical plate 17; the support frame 20 is V-shaped, and the support frame 20 is connected to the mounting plate 18; the second bearing seat 21 is fixed on the movable plate 16, and the second bearing seat 21 is located on one side of the vertical plate 17; the rotating shaft 22 passes through the second bearing seat 21, and the rotating shaft 22 is rotatably connected to the second bearing seat 21; the auxiliary wheel 23 is mounted on the outer side of the rotating shaft 22, and the auxiliary wheel 23 passes through the clearance groove 19; wherein, the grinding wheel 13 and the auxiliary wheel 23 are located on both sides of the support frame 20, and the first external thread is adapted to the first internal thread.

[0030] By fixing the first bearing seat 11 on the workbench 10, passing the driving shaft 12 through the first bearing seat 11, and making the driving shaft 12 rotatably connected to the first bearing seat 11, the first bearing seat 11 supports the driving shaft 12, so that the driving shaft 12 can rotate in the first bearing seat 11; by sleeved the grinding wheel 13 on the outside of the driving shaft 12, the driving shaft 12 can drive the grinding wheel 13 to rotate. By fixing two fixed plates 14 on the workbench 10, and rotatably connecting the two ends of the lead screw 15 to the two fixed plates 14 respectively, the two fixed plates 14 support the lead screw 15, so that the lead screw 15 can rotate between the two fixed plates 14; by passing the lead screw 15 through the threaded hole of the movable plate 16, the lead screw 15 is threadedly connected to the movable plate 16, so that when the lead screw 15 rotates, the lead screw 15 drives the movable plate 16 to move. By connecting the vertical plate 17 with the movable plate 16, connecting the mounting plate 18 with the vertical plate 17, and connecting the V-shaped support frame 20 with the mounting plate 18, the movable plate 16 supports the support frame 20 through the vertical plate 17 and the mounting plate 18, so that the movable plate 16 can drive the support frame 20 to move, and at the same time, the round shaft to be polished can be embedded in the support frame 20, so that the support frame 20 supports the round shaft. By fixing the second bearing seat 21 on the movable plate, passing the rotating shaft 22 through the second bearing seat 21, and making the rotating shaft 22 rotatably connected with the second bearing seat 21, the second bearing seat 21 can support the rotating shaft 22, so that the rotating shaft 22 can rotate in the second bearing seat 21; by sleeved the auxiliary wheel 23 on the outside of the rotating shaft 22, and making the auxiliary wheel 23 pass through the yield groove 19 on the mounting plate 18, the rotating shaft 22 can drive the auxiliary wheel 23 to rotate, and at the same time, it can also avoid interference between the auxiliary wheel 23 and the mounting plate 18, so as to improve the quality of the product.

[0031] When the product is used, the round shaft to be polished is first placed in the support frame 20, at which time the end of the round shaft is in contact with the auxiliary wheel 23; then, the lead screw 15 is rotated to drive the movable plate 16 to move toward the first bearing seat 11 until the grinding wheel 13 and the auxiliary wheel 23 are in contact with the round shaft; then, the drive shaft 12 and the rotating shaft 22 are rotated to drive the grinding wheel 13 and the auxiliary wheel 23 respectively, so that the auxiliary wheel 23 can drive the round shaft to rotate, and at the same time the grinding wheel 13 polishes the outer circle of the round shaft.

[0032] By adopting the above structure, the screw 15 is rotated to drive the movable plate 16 to move, so as to adjust the distance between the auxiliary wheel 23 and the grinding wheel 13, so that round shafts of different specifications can be placed between the auxiliary wheel 23 and the grinding wheel 13, so as to improve the applicability of the product. At the same time, it is also possible to grind round shafts of different specifications without replacing the grinding wheel 13, so as to reduce the difficulty of using the product and thus improve the use experience of the product.

[0033] In the embodiment of the present utility model, Figures 1 to 4 As shown, the cylindrical polishing machine also includes: a first motor 24, a first pulley 25, a second pulley 26 and a belt 27; the first motor 24 is provided with a first output shaft, and the first motor 24 is fixed on the workbench 10; the first pulley 25 is sleeved on the outside of the first output shaft of the first motor 24; the second pulley 26 is sleeved on the outside of the drive shaft 12; the belt 27 is simultaneously sleeved on the outside of the first pulley 25 and the second pulley 26.

[0034] By fixing the first motor 24 on the workbench 10 and sleeved the first pulley 25 on the outside of the first output shaft of the first motor 24, the first motor 24 can drive the first pulley 25 to rotate; by sleeved the second pulley 26 on the outside of the drive shaft 12, and sleeved the belt 27 on the outsides of the first pulley 25 and the second pulley 26 at the same time, when the first motor 24 drives the first pulley 25 to rotate, the first pulley 25 drives the drive shaft 12 to rotate through the belt 27 and the second pulley 26, thereby providing power for rotating the drive shaft 12 to enhance the user experience of the product.

[0035] In the embodiment of the present utility model, Figures 1 to 4 As shown, the external cylindrical polishing machine also includes: a connecting shaft 28, a pressure plate 29 and a locking nut 30; a second external thread is provided on the outer wall of the connecting shaft 28, one end of the connecting shaft 28 is connected to the end of the driving shaft 12, and the connecting shaft 28 passes through the grinding wheel 13; the pressure plate 29 is wound around the outer side of the connecting shaft 28, and the pressure plate 29 is fitted with the grinding wheel 13; a second internal thread is provided in the locking nut 30, the locking nut 30 is sleeved on the outer side of the connecting shaft 28, and the locking nut 30 is fitted with the pressure plate 29; wherein, the second external thread is adapted to the second internal thread.

[0036] By connecting one end of the connecting shaft 28 to the end of the driving shaft 12, the driving shaft 12 and the connecting shaft 28 can rotate synchronously; by wrapping the pressure plate 29 around the outer side of the connecting shaft 28 and making the pressure plate 29 fit with the grinding wheel 13, the pressure plate 29 can press the grinding wheel 13 onto the driving shaft 12; by sleeved the locking nut 30 on the outer side of the connecting shaft 28 and making the locking nut 30 fit with the pressure plate 29, the locking nut 30 can fix the pressure plate 29 on the outer side of the connecting shaft 28, thereby ensuring that the pressure plate 29 can press the grinding wheel 13 onto the driving shaft 12, thereby improving the stability of the driving shaft 12 driving the grinding wheel 13 to rotate.

[0037] Specifically, the connecting shaft 28 and the driving shaft 12 are an integrated structure, and the diameter of the connecting shaft 28 is smaller than the diameter of the driving shaft 12 .

[0038] In the embodiments of the present invention, Figures 1 to 4 As shown, the outer cylindrical polishing machine also includes: a second motor 31, a first gear 32 and a second gear 33; the second motor 31 is provided with a second output shaft, and the second motor 31 is fixed on the movable plate 16; the first gear 32 is sleeved on the outside of the second output shaft of the second motor 31; the second gear 33 is sleeved on the outside of the rotating shaft 22, and the second gear 33 is meshed with the first gear 32.

[0039] By fixing the second motor 31 on the movable plate 16 and sleeved the first gear 32 on the outside of the second output shaft of the second motor 31, the second motor 31 can drive the first gear 32 to rotate; by sleeved the second gear 33 on the outside of the rotating shaft 22 and meshing the second gear 33 with the first gear 32, when the second motor 31 drives the first gear 32 to rotate, the second motor 31 drives the second gear 33 to rotate through the first gear 32, thereby driving the rotating shaft 22 to rotate, and further providing power for rotating the rotating shaft 22.

[0040] Specifically, the number of teeth of the first gear 32 is smaller than the number of teeth of the second gear 33 , so as to reduce the output speed of the second motor 31 .

[0041] In the embodiments of the present invention, Figures 1 to 4 As shown, the outer cylindrical polishing machine also includes: a smooth bar 34 and a hand wheel 35; the two ends of the smooth bar 34 are respectively connected to the two fixed plates 14, and the smooth bar 34 passes through the movable plate 16; the hand wheel 35 is sleeved on the outside of the lead screw 15, and the hand wheel 35 is located on the outside of the fixed plate 14.

[0042] By connecting the two ends of the optical bar 34 to the two fixed plates 14 respectively, the two fixed plates 14 support the optical bar 34, thereby improving the stability of the optical bar 34; by passing the optical bar 34 through the movable plate 16, the movable plate 16 can move along the optical bar 34, thereby preventing the movable plate 16 from deflecting during movement, thereby improving the stability of the movement of the movable plate 16. By sleeved the hand wheel 35 on the outside of the lead screw 15, and making the hand wheel 35 on the outside of the fixed plate 14, the lead screw 15 can be driven to rotate by turning the hand wheel 35, thereby reducing the difficulty of rotating the lead screw 15, thereby improving the user experience of the product.

[0043] In the embodiments of the present invention, Figures 1 to 4 As shown, the external cylindrical polishing machine also includes: an adjusting shaft 36 and an adjusting nut 37; a third external thread is provided on the outer wall of the adjusting shaft 36, the adjusting shaft 36 passes through the mounting plate 18, and the adjusting shaft 36 is connected to the support frame 20; a third internal thread is provided in the adjusting nut 37, two adjusting nuts 37 are sleeved on the outer side of the adjusting shaft 36, and the two adjusting nuts 37 are respectively fitted with the two sides of the mounting plate 18; wherein, the third external thread is adapted to the third internal thread.

[0044] By passing the adjusting shaft 36 through the mounting plate 18 and connecting the adjusting shaft 36 with the support frame 20, the support frame 20 and the adjusting shaft 36 can move synchronously, so as to adjust the distance that the adjusting shaft 36 passes through the mounting plate 18, so as to adjust the distance between the support frame 20, the mounting plate 18 and the auxiliary wheel 23, and then realize that the round shafts of different specifications placed in the support frame 20 can contact the auxiliary wheel 23, so as to ensure that the auxiliary wheel 23 can drive the round shaft to rotate. By sleeved two adjusting nuts 37 on the outside of the adjusting shaft 36, and making the two adjusting nuts 37 fit on both sides of the mounting plate 18 respectively, the adjusting shaft 36 can be fixed on the mounting plate 18 through the two adjusting nuts 37, so as to improve the stability of the adjusting shaft 36 and the support frame 20 connected with the adjusting shaft 36.

[0045] In the embodiments of the present invention, Figures 1 to 4 As shown, the cylindrical polishing machine also includes: a dust hood 38, a dust box 39 and an exhaust pipe 40; the dust hood 38 is a hollow cavity with openings at both ends, the dust hood 38 is placed on the top wall of the workbench 10, and the dust hood 38 passes through the top of the workbench 10; the dust box 39 is a hollow cavity, the dust box 39 is installed in the workbench 10, and the dust box 39 is connected to the dust hood 38; the exhaust pipe 40 is a hollow cavity with openings at both ends, and the exhaust pipe 40 is connected to the top of the dust box 39.

[0046] By placing the dust hood 38 on the workbench 10 and allowing the dust hood 38 to pass through the top of the workbench 10, the workbench 10 can support the dust hood 38, thereby improving the stability of the dust hood 38; by installing the dust box 39 in the workbench 10, the workbench 10 can support the dust box 39, thereby improving the stability of the dust box 39; by connecting the exhaust pipe 40 with the top of the dust box 39, when the exhaust pipe 40 is connected to the air pump, the air pump can draw out the air in the dust box 39 through the exhaust pipe 40, thereby forming a negative pressure inside the dust box 39.

[0047] With the above structure, the exhaust pipe 40 is first connected to the air pump; then, the air pump is started to draw out the air in the dust box 39 to form a negative pressure in the dust box 39; thereafter, when the grinding wheel 13 grinds and polishes the circular shaft, due to the negative pressure formed in the dust box 39, the iron filings and dust generated by the grinding and polishing of the circular shaft will enter the dust box 39 through the dust hood 38, thereby preventing the iron filings and dust from entering the air, thereby avoiding environmental pollution and improving the industrial and mining environment of the product.

[0048] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An external cylindrical polishing machine, characterized in that: The outer cylindrical polishing machine comprises: Workbench; a first bearing seat, wherein the first bearing seat is fixed to the workbench; A drive shaft, the drive shaft passes through the first bearing seat, and the drive shaft is rotatably connected to the first bearing seat; A grinding wheel, wherein the grinding wheel is sleeved on the outer side of the driving shaft; A fixing plate, wherein two fixing plates are fixed on the workbench, and there is a distance between the two fixing plates; A lead screw, wherein a first external thread is arranged on an outer wall of the lead screw, and both ends of the lead screw are rotatably connected to the two fixing plates respectively; A movable plate, wherein a threaded hole is provided in the movable plate, a first internal thread is provided in the threaded hole, and the lead screw passes through the threaded hole of the movable plate; A vertical plate, the vertical plate is connected to the movable plate, and the vertical plate is perpendicular to the movable plate; A mounting plate, wherein a recess is provided in the mounting plate, and the mounting plate is connected to the vertical plate; A support frame, the support frame is V-shaped and connected to the mounting plate; A second bearing seat, wherein the second bearing seat is fixed on the movable plate and is located at one side of the vertical plate; A rotating shaft, the rotating shaft passes through the second bearing seat, and the rotating shaft is rotatably connected to the second bearing seat; An auxiliary wheel, the auxiliary wheel is sleeved on the outer side of the rotating shaft, and the auxiliary wheel passes through the clearance groove; Wherein, the grinding wheel and the auxiliary wheel are located on both sides of the support frame, and the first external thread is matched with the first internal thread.

2. The outer cylindrical polishing machine according to claim 1, characterized in that: The outer cylindrical polishing machine also includes: A first motor, wherein the first motor is provided with a first output shaft, and the first motor is fixed on the workbench; A first pulley, wherein the first pulley is sleeved on an outer side of a first output shaft of the first motor; A second pulley, wherein the second pulley is sleeved on the outer side of the driving shaft; A belt is simultaneously sleeved on the outer sides of the first pulley and the second pulley.

3. The outer cylindrical polishing machine according to claim 2, characterized in that: The outer cylindrical polishing machine also includes: A connecting shaft, wherein a second external thread is arranged on an outer wall of the connecting shaft, one end of the connecting shaft is connected to the end of the driving shaft, and the connecting shaft passes through the grinding wheel; A pressing plate, the pressing plate is wound around the outer side of the connecting shaft, and the pressing plate is in contact with the grinding wheel; A locking nut, wherein a second internal thread is provided in the locking nut, the locking nut is sleeved on the outer side of the connecting shaft, and the locking nut is fitted with the pressing plate; Wherein, the second external thread is matched with the second internal thread.

4. The outer cylindrical polishing machine according to claim 1, characterized in that: The outer cylindrical polishing machine also includes: a second motor, the second motor being provided with a second output shaft, and the second motor being fixed on the moving plate; a first gear, wherein the first gear is sleeved on an outer side of a second output shaft of the second motor; The second gear is sleeved on the outer side of the rotating shaft and meshes with the first gear.

5. The outer cylindrical polishing machine according to claim 4, characterized in that: The outer cylindrical polishing machine also includes: An optical bar, both ends of which are connected to the two fixed plates respectively, and the optical bar passes through the movable plate; A handwheel is sleeved on the outside of the lead screw and is located on the outside of the fixing plate.

6. The outer cylindrical polishing machine according to claim 5, characterized in that: The outer cylindrical polishing machine also includes: An adjusting shaft, wherein a third external thread is arranged on an outer wall of the adjusting shaft, the adjusting shaft passes through the mounting plate, and the adjusting shaft is connected to the supporting frame; An adjusting nut, wherein a third internal thread is provided in the adjusting nut, two adjusting nuts are sleeved on the outer side of the adjusting shaft, and the two adjusting nuts are respectively fitted with two sides of the mounting plate; Wherein, the third external thread is matched with the third internal thread.

7. An external cylindrical polishing machine according to any one of claims 1 to 6, characterized in that: The outer cylindrical polishing machine also includes: A dust hood, which is a hollow cavity with openings at both ends, is placed on the top wall of the workbench and passes through the top of the workbench; A dust box, which is a hollow cavity, is installed in the workbench, and is connected to the dust hood; An exhaust pipe is a hollow cavity with openings at both ends, and the exhaust pipe is connected to the top of the dust collecting box.

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