CN219094754U - Seamless steel tube inner polishing device with grinding rod moving mechanism - Google Patents

Abstract

The utility model relates to the technical field of seamless steel tube inner polishing, in particular to a seamless steel tube inner polishing device with a polishing rod moving mechanism, which comprises a bottom plate, wherein two groups of supporting rods are symmetrically and fixedly connected to the left side of the upper end of the bottom plate, the upper ends of the two groups of supporting rods are fixedly connected with a top plate together, the lower ends of the top plate are symmetrically and fixedly connected with a fixed plate, the two fixed plates are symmetrically and fixedly connected with a fixed rod, the outer parts of the two fixed rods are respectively and slidingly connected with a sliding block, the lower ends of the two sliding blocks are fixedly connected with a protective shell together, a positive motor and a negative motor are arranged in the protective shell, and the output ends of the positive motor and the negative motor are fixedly connected with polishing rods.

Description

Seamless steel tube inner polishing device with grinding rod moving mechanism

Technical Field

The utility model relates to the technical field of seamless steel tube inner polishing, in particular to a seamless steel tube inner polishing device with a grinding rod moving mechanism.

Background

The seamless steel pipe is used for conveying fluid and powdery solid, exchanging heat energy, manufacturing mechanical parts and containers, is also an economic steel material, and the inner side of the steel pipe is polished by a polishing device which is required to be used in the processing process of the seamless steel pipe.

However, when the existing polishing device is used for polishing, a steel pipe or a polishing disc needs to be pushed to move, so that the steel pipe is comprehensively polished, and the operation is troublesome; when polishing steel pipes with different diameters, polishing discs with different diameters need to be replaced back and forth, so that the polishing efficiency is easy to influence, and the polishing device has certain use limitation; in addition, the existing polishing sheets are mostly inconvenient to replace and are complex in operation.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a seamless steel tube internal polishing device with a polishing rod moving mechanism, which not only can push a polishing rod to move while polishing, but also can be suitable for polishing steel tubes with different diameters by the same polishing disc and is convenient for replacing polishing sheets.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a take polishing device in seamless steel pipe of mill pole moving mechanism, includes the bottom plate, the left side symmetry fixedly connected with of the upper end of bottom plate is two sets of bracing pieces, two sets of the common fixedly connected with roof of upper end of bracing piece, the lower extreme symmetry fixedly connected with fixed plate of roof, two symmetrical fixedly connected with dead lever between the fixed plate, two the equal sliding connection in outside of dead lever has the slider, two the common fixedly connected with protecting crust of lower extreme of slider, the internally mounted of protecting crust has positive and negative motor, positive and negative motor's output fixedly connected with mill pole, the one end fixedly connected with mill that positive and negative motor was kept away from to the mill pole, four movable holes have evenly been seted up to the inside of mill, four the equal sliding connection in inside of movable hole has the screwed pipe, four the equal threaded connection in inside of screwed pipe has the threaded rod, four the one end that the screwed pipe kept away from each other all extends to the outside of movable hole and fixedly connected with arc, four the outside of dead lever all is provided with the polished light piece, four the stopper is equipped with the stopper in the inside of four fixed connection that limit block and four arc are all opened to have four limit grooves.

Preferably, the movable groove is set up in the inside of mill, and the movable groove sets up between four movable holes, four the one end that the arc was kept away from to the threaded rod all extends to the inside of movable groove and fixedly connected with first bevel gear, the one end that the mill was kept away from to the mill pole rotates and is connected with first dwang, the left end of first dwang extends to the inside of movable groove and fixedly connected with and four first bevel gear meshing's second bevel gear, the one end that the second bevel gear was kept away from to first dwang extends to the outside of mill and fixedly connected with handle.

Preferably, four the inside symmetry of arc has seted up two sets of extrusion grooves, two sets of the equal swing joint in inside of extrusion groove has the extrusion pole, two sets of the outside of extrusion pole has all movably sleeved the spring, and the spring all sets up in the inside of extrusion groove, two sets of the one end that the extrusion pole kept away from each other all extends to the outside of arc and common fixedly connected with cardboard, two the cardboard is close to one side of arc and evenly fixedly connected with respectively with the latch that polishing piece cooperation can be used, two the equal fixedly connected with shifting block in both ends about the cardboard.

Preferably, the right side symmetry fixedly connected with curb plate of bottom plate upper end, two the upper end of curb plate is fixedly connected with second mounting panel jointly, the equal fixedly connected with hydraulic stem of upper end of second mounting panel and bottom plate, two the equal fixedly connected with fixture block of output of hydraulic stem.

Preferably, the outside fixed first gear that has cup jointed of mill pole, the rear side fixedly connected with connecting plate of protecting crust, the right-hand member of connecting plate rotates and is connected with the second dwang, the outside fixed second gear that has cup jointed with first gear engagement of second dwang, both sides all fixedly connected with first mounting panel about the right-hand member of connecting plate, two rotate between the first mounting panel and be connected with the pivot, the outside fixed third bevel gear that has cup jointed of pivot, the right-hand member fixedly connected with of second dwang and third bevel gear engagement's fourth bevel gear.

Preferably, the upper end of the rotating shaft extends to the outside of the first mounting plate and is fixedly connected with a third gear, and the lower end of the top plate is fixedly connected with a toothed plate meshed with the third gear.

The utility model provides a seamless steel tube inner polishing device with a grinding rod moving mechanism, which has the beneficial effects that:

1. the first rotating rod is rotated through the handle, the second bevel gear is driven to rotate through the first rotating rod, the plurality of first bevel gears are driven to rotate through the meshing effect among the gears, the plurality of threaded rods are driven to synchronously rotate through the plurality of first bevel gears, so that the plurality of threaded rods rotate in the threaded pipes, the plurality of threaded pipes synchronously move towards the outside of the grinding disc, the plurality of arc plates and the polishing sheets are pushed to move, the polishing diameter of the device is adjusted, steel pipes with different diameters are polished in a suitable mode, the application range of the grinding disc is increased, and the applicability of the device can be effectively improved;

2. simultaneously, the clamping plate is pulled to one side of the arc plate through the first gear, the clamping plate drives the two extrusion rods to drive and extrude the springs to drive the clamping teeth to be away from the arc plate synchronously, so that the livestock clamping plate and the plurality of clamping teeth have a fixing effect on the polishing sheets, at the moment, the polishing sheets can be directly pulled out from between the clamping plate and the arc plate, then the new polishing sheets stretch into between the clamping plate and the arc plate again and are loosened, the clamping plate and the plurality of clamping teeth can approach the arc plate again under the reset effect of the springs, the new polishing sheets are fixed, and therefore, the replacement of the polishing sheets can be completed, the operation is simple, and the use convenience of the device is improved;

3. placing a steel pipe to be polished above a clamping block, opening two hydraulic rods to enable the two hydraulic rods to push the two clamping blocks to be synchronously close to each other, fixing the steel pipe, enabling a grinding disc to extend into the steel pipe, opening a positive and negative motor to enable the positive and negative motor to drive the grinding disc to rotate in the steel pipe through the grinding rod, polishing the inner wall of the steel pipe by using a polishing piece, enabling the grinding rod to drive a first gear to synchronously rotate, enabling the first gear to drive a second rotating rod to synchronously rotate through meshing action with a second gear, enabling a fourth bevel gear to synchronously rotate when the second rotating rod rotates, enabling a rotating shaft to drive a third bevel gear to synchronously rotate through meshing action with a third bevel gear, enabling the third bevel gear to drive a protective shell to integrally move through meshing action with a toothed plate, enabling a sliding block to slide outside a fixed rod, enabling the positive and negative motor to drive the grinding disc to synchronously move in the steel pipe through the polishing rod, enabling complete polishing of the inner portion of the steel pipe to be achieved without manually pushing the steel pipe or the polishing disc to move at the same time, and therefore the automation degree of the device can be effectively improved, and the practicality of the whole device is improved;

the polishing device is simple in structure, reasonable in design and convenient to operate, not only can be used for polishing while pushing the polishing rod to move, but also can be suitable for polishing steel pipes with different diameters by the same polishing disc, is convenient for replacing polishing sheets, has higher applicability and is worthy of popularization.

Drawings

FIG. 1 is a cross-sectional view of a seamless steel tube internal polishing device with a grinding rod moving mechanism according to the present utility model;

fig. 2 is a schematic diagram of the right side of a grinding disc connection structure of a seamless steel tube internal polishing device with a grinding rod moving mechanism;

fig. 3 is a schematic diagram of a grinding disc connection structure of a seamless steel tube internal polishing device with a grinding rod moving mechanism;

FIG. 4 is a schematic cross-sectional view of an arcuate plate of a seamless steel tube internal polishing device with a grinding rod moving mechanism according to the present utility model;

fig. 5 is a schematic top view of a side plate connection structure of a seamless steel tube internal polishing device with a grinding rod moving mechanism according to the present utility model;

fig. 6 is a right schematic view of the connection between the grinding rod and the second gear of the seamless steel tube internal polishing device with the grinding rod moving mechanism;

FIG. 7 is a top view of a seamless steel tube internal polishing device with a grinding rod moving mechanism according to the present utility model;

fig. 8 is an enlarged schematic view of the structure of part a of the polishing device in a seamless steel tube with a grinding rod moving mechanism.

In the figure: 1. a bottom plate; 2. a support rod; 3. a top plate; 4. a fixing plate; 5. a fixed rod; 6. a slide block; 7. a protective shell; 8. a forward and reverse motor; 9. grinding a rod; 10. grinding disc; 11. a movable hole; 12. a threaded tube; 13. a threaded rod; 14. an arc-shaped plate; 15. polishing piece; 16. a limiting block; 17. a limit groove; 18. a movable groove; 19. a first bevel gear; 20. a first rotating lever; 21. a second bevel gear; 22. a handle; 23. an extrusion groove; 24. an extrusion rod; 25. a spring; 26. a clamping plate; 27. latch teeth; 28. a shifting block; 29. a first gear; 30. a connecting plate; 31. a second rotating lever; 32. a second gear; 33. a first mounting plate; 34. a rotating shaft; 35. a third bevel gear; 36. a fourth bevel gear; 37. a third gear; 38. a toothed plate; 39. a side plate; 40. a second mounting plate; 41. a hydraulic rod; 42. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to figures 1-8, a seamless steel tube internal polishing device with a grinding rod moving mechanism comprises a bottom plate 1, two groups of support rods 2 are symmetrically and fixedly connected to the left side of the upper end of the bottom plate 1, a top plate 3 is fixedly and jointly connected to the upper ends of the two groups of support rods 2, a fixed plate 4 is symmetrically and fixedly connected to the lower end of the top plate 3, a fixed rod 5 is symmetrically and fixedly connected between the two fixed plates 4, sliding blocks 6 are respectively and slidingly connected to the outer parts of the two fixed rods 5, a protective shell 7 is fixedly and jointly connected to the lower ends of the two sliding blocks 6, a positive and negative motor 8 is arranged in the protective shell 7, a grinding rod 9 is fixedly connected to the output end of the positive and negative motor 8, a grinding disc 10 is fixedly connected to one end of the grinding rod 9, which is far away from the positive and negative motor 8, four movable holes 11 have evenly been seted up to the inside of mill 10, the equal sliding connection in inside of four movable holes 11 has screwed pipe 12, the equal threaded connection in inside of four screwed pipe 12 has threaded rod 13, the one end that four screwed pipe 12 kept away from each other all extends to the outside of movable hole 11 and fixedly connected with arc 14, the outside of four arc 14 all is provided with polishing piece 15, the equal fixedly connected with stopper 16 in upper and lower both ends of four screwed pipe 12, four limit grooves 17 that cooperate with stopper 16 to use have been seted up to the inside symmetry of mill 10, stopper 16 and limit groove 17's setting can prevent that screwed pipe 12 from droing from the outside of threaded rod 13, stability when mill 10 is adjusted has been increased.

The movable groove 18 has been seted up to the inside of mill 10, and the movable groove 18 sets up between four movable holes 11, the one end that arc 14 was kept away from to four threaded rods 13 all extends to the inside of movable groove 18 and fixedly connected with first bevel gear 19, the one end that mill 10 kept away from mill 9 rotates and is connected with first dwang 20, the left end of first dwang 20 extends to the inside of movable groove 18 and fixedly connected with and four first bevel gear 19 engaged second bevel gear 21, the one end that second bevel gear 21 was kept away from to first dwang 20 extends to the outside of mill 10 and fixedly connected with handle 22, the setting of handle 22 can utilize the cooperation between the structure to adjust a plurality of arc 14 through the meshing effect between second bevel gear 21 and the first bevel gear 19, thereby realize the regulation to the polishing diameter of mill 10, can effectively improve the suitability of mill 10.

Two sets of extrusion grooves 23 have been seted up to the inside symmetry of four arc 14, the equal swing joint in inside of two sets of extrusion grooves 23 has extrusion rod 24, the outside of two sets of extrusion rod 24 has all movably sleeved spring 25, and spring 25 all sets up in the inside of extrusion groove 23, the one end that two sets of extrusion rods 24 kept away from each other all extends to the outside of arc 14 and common fixedly connected with cardboard 26, one side that two cardboard 26 is close to arc 14 evenly fixedly connected with respectively with the latch 27 that polishing piece 15 cooperation can be used, the equal fixedly connected with shifting block 28 of both ends about two cardboard 26, cardboard 26 and latch 27's setting, not only be convenient for change and dismantle polishing piece 15, moreover can improve polishing piece 15 installation's stability, the practicality of mill 10 has been increased.

The right side symmetry fixedly connected with curb plate 39 of bottom plate 1 upper end, the common fixedly connected with second mounting panel 40 of upper end of two curb plates 39, the equal fixedly connected with hydraulic stem 41 of upper end of second mounting panel 40 and bottom plate 1, the equal fixedly connected with fixture block 42 of output of two hydraulic stems 41, the setting of hydraulic stem 41 and fixture block 42 can realize the quick fixed to the steel pipe, can effectively improve the polishing efficiency of device.

The outside fixed sleeve of grinding rod 9 has first gear 29, the rear side fixedly connected with connecting plate 30 of protecting crust 7, the right-hand member of connecting plate 30 rotates and is connected with second dwang 31, the outside fixed sleeve of second dwang 31 has the second gear 32 with first gear 29 meshing, the both sides are all fixedly connected with first mounting panel 33 about the right-hand member of connecting plate 30, rotate between two first mounting panels 33 and be connected with pivot 34, the outside fixed sleeve of pivot 34 has third bevel gear 35, the right-hand member fixedly connected with of second dwang 31 and third bevel gear 35 meshing fourth bevel gear 36, the upper end of pivot 34 extends to the outside of first mounting panel 33 and fixedly connected with third gear 37, the lower extreme fixedly connected with of roof 3 and the pinion rack 38 of third gear 37 meshing, pinion rack 38 and third gear 37's setting, can utilize the transmission effect between the structure to promote the internal motion of mill 10 at the steel pipe through the cooperation effect between the structure when mill 10 is polished, realize the comprehensive polishing to the seamless steel pipe, the degree of automation of device has been improved, the practicality of device has been increased.

Working principle: before the device is used, the first rotating rod 20 can be rotated through the handle 22, the second bevel gear 21 is driven to rotate through the first rotating rod 20, the plurality of first bevel gears 19 are driven to rotate through the meshing action among the gears, the plurality of threaded rods 13 are driven to synchronously rotate through the plurality of first bevel gears 19, the plurality of threaded rods 13 rotate in the threaded pipes 12, so that the plurality of threaded pipes 12 synchronously move towards the outside of the millstone 10, the plurality of arc plates 14 and the polishing sheets 15 are pushed to move, and the polishing diameter of the device is adjusted to adapt to polishing of steel pipes with different diameters; when the polishing sheet 15 needs to be replaced, only the clamping plate 26 is required to be pulled to one side of the arc plate 14 through the first gear 29, so that the clamping plate 26 drives the two extrusion rods 24 to the outside of the extrusion groove 23 to drive and extrude the springs 25, the clamping plate 26 drives the clamping teeth 27 to be synchronously away from the arc plate 14, and accordingly the livestock clamping plate 26 and the plurality of clamping teeth 27 have the fixing effect on the polishing sheet 15, at the moment, the polishing sheet 15 can be directly pulled out from between the clamping plate 26 and the arc plate 14, then a new polishing sheet 15 stretches into between the clamping plate 26 and the arc plate 14 again and the clamping plate 26 is loosened, the clamping plate 26 and the plurality of clamping teeth 27 can be close to the arc plate 14 again under the resetting effect of the springs 25, and the new polishing sheet 15 is fixed; when the device is used, a steel pipe to be polished can be placed above the clamping blocks 42, then the two hydraulic rods 41 are opened, the two hydraulic rods 41 push the two clamping blocks 42 to synchronously approach, the steel pipe is fixed, then the grinding disc 10 can be stretched into the steel pipe, then the positive and negative motor 8 is opened, the positive and negative motor 8 drives the grinding disc 10 to rotate in the steel pipe through the grinding rod 9, the inner wall of the steel pipe is polished by the polishing piece 15, meanwhile, the grinding rod 9 drives the first gear 29 to synchronously rotate, the first gear 29 drives the second rotating rod 31 to synchronously rotate through the meshing action with the second gear 32, the second rotating rod 31 drives the fourth bevel gear 36 to synchronously rotate when rotating, the fourth bevel gear 36 drives the rotating shaft 34 to synchronously rotate through the meshing action with the third bevel gear 35, the rotating shaft 34 drives the third gear 37 to synchronously rotate, the third gear 37 drives the whole shell 7 to move through the meshing action with the toothed plate 38, the sliding block 6 slides outside the fixed rod 5, and the positive and negative motor 8 drives the grinding disc 10 to synchronously move in the protection bar through the polishing rod 9.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a take polishing device in seamless steel pipe of mill pole moving mechanism, includes bottom plate (1), its characterized in that, the left side symmetry fixedly connected with of the upper end of bottom plate (1) two sets of bracing piece (2), two sets of the upper end joint fixedly connected with roof (3) of bracing piece (2), the lower extreme symmetry fixedly connected with fixed plate (4) of roof (3), two symmetrical fixedly connected with dead lever (5) between fixed plate (4), two the outside of dead lever (5) is all sliding connection has slider (6), two the lower extreme joint fixedly connected with protecting crust (7) of slider (6), the internally mounted of protecting crust (7) has positive and negative motor (8), the output fixedly connected with mill pole (9) of positive and negative motor (8), the one end fixedly connected with mill (10) of keeping away from motor (8) of mill pole (9), four movable holes (11) have evenly been seted up to the inside of mill (10), four the inside of movable hole (11) is all sliding connection has slider (12), two the inside of slider (6) is all sliding connection, the internally threaded rod (12) is all threaded connection has arc connection (12) to the outside of four screw thread (12) all extending to the outside of tube (12), the outer parts of the four arc plates (14) are respectively provided with a polishing sheet (15), the upper ends and the lower ends of the four threaded pipes (12) are respectively fixedly connected with a limiting block (16), and four groups of limiting grooves (17) matched with the limiting blocks (16) are symmetrically formed in the grinding disc (10).

2. The seamless steel tube inner polishing device with the grinding rod moving mechanism according to claim 1, characterized in that a movable groove (18) is formed in the grinding disc (10), the movable groove (18) is arranged between four movable holes (11), one ends of the four threaded rods (13) far away from the arc-shaped plates (14) extend to the inner part of the movable groove (18) and are fixedly connected with a first bevel gear (19), one end of the grinding disc (10) far away from the grinding rod (9) is rotationally connected with a first rotating rod (20), the left end of the first rotating rod (20) extends to the inner part of the movable groove (18) and is fixedly connected with a second bevel gear (21) meshed with the four first bevel gears (19), and one end of the first rotating rod (20) far away from the second bevel gear (21) extends to the outer part of the grinding disc (10) and is fixedly connected with a handle (22).

3. The seamless steel tube inner polishing device with the grinding rod moving mechanism according to claim 1, wherein two groups of extrusion grooves (23) are symmetrically formed in the arc-shaped plates (14), two groups of extrusion grooves (23) are movably connected with extrusion rods (24) in the extrusion grooves, springs (25) are movably sleeved outside the extrusion rods (24), the springs (25) are arranged in the extrusion grooves (23), one ends, far away from each other, of the extrusion rods (24) are extended to the outer parts of the arc-shaped plates (14) and are fixedly connected with clamping plates (26) together, clamping teeth (27) which are matched with polishing plates (15) are uniformly and fixedly connected to one sides, close to the arc-shaped plates (14), of the clamping plates (26), and poking blocks (28) are fixedly connected to the left end and the right end of each clamping plate (26).

4. The seamless steel tube inner polishing device with the grinding rod moving mechanism according to claim 1, wherein side plates (39) are symmetrically and fixedly connected to the right side of the upper end of the bottom plate (1), a second mounting plate (40) is fixedly connected to the upper ends of the two side plates (39), hydraulic rods (41) are fixedly connected to the second mounting plate (40) and the upper end of the bottom plate (1), and clamping blocks (42) are fixedly connected to the output ends of the two hydraulic rods (41).

5. The seamless steel tube inner polishing device with the grinding rod moving mechanism according to claim 1, wherein a first gear (29) is fixedly sleeved on the outer portion of the grinding rod (9), a connecting plate (30) is fixedly connected to the rear side of the protective shell (7), a second rotating rod (31) is rotatably connected to the right end of the connecting plate (30), a second gear (32) meshed with the first gear (29) is fixedly sleeved on the outer portion of the second rotating rod (31), first mounting plates (33) are fixedly connected to the upper side and the lower side of the right end of the connecting plate (30), a rotating shaft (34) is rotatably connected between the two first mounting plates (33), a third bevel gear (35) is fixedly sleeved on the outer portion of the rotating shaft (34), and a fourth bevel gear (36) meshed with the third bevel gear (35) is fixedly connected to the right end of the second rotating rod (31).

6. The seamless steel tube internal polishing device with the grinding rod moving mechanism according to claim 5, wherein the upper end of the rotating shaft (34) extends to the outside of the first mounting plate (33) and is fixedly connected with a third gear (37), and the lower end of the top plate (3) is fixedly connected with a toothed plate (38) meshed with the third gear (37).

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