CN115139162A - Multifunctional lathe for steel pipe machining - Google Patents

Abstract

The utility model relates to a multi-functional lathe for steel tube machining, relate to the lathe field, it includes the frame, the frame is equipped with the power unit that is used for driving the steel pipe and removes, the frame upper end is equipped with outer emery wheel, outer emery wheel below is equipped with the cross axle, emery wheel in the cross axle fixedly connected with, the both ends of cross axle all are equipped with the support frame, the frame is equipped with the elevating part that the drive support frame goes up and down and the slip piece that the drive support frame slided along cross axle length direction, the support frame upper end rotates and is connected with the drive ring, it is connected with a plurality of locking rollers to rotate on the drive ring inner wall, a plurality of locking rollers arrange along the circumference of drive ring, the support frame is equipped with the retaining member that is used for controlling a plurality of locking rollers and follows drive ring radial movement in step, the support frame is equipped with and is used for driving drive ring pivoted driving piece. This application utilizes two support frames to drive and support the cross axle in turn, but the interior outer wall simultaneous processing of flowing water formula to the steel pipe has the effect that has improved the suitability.

Description

Multifunctional lathe for steel pipe machining

Technical Field

The application relates to the field of lathes, in particular to a multifunctional lathe for machining steel pipes.

Background

At present, steel pipes are widely applied in various industries, two types of steel pipes on the market at present are welded steel pipes and seamless steel pipes, in part of application fields, the steel pipes have high requirements on the roughness, the dimensional tolerance and the like of the outer wall or the inner wall of the steel pipe, in part of application fields, the requirements on the inner wall and the outer wall of the steel pipe are also met, and at present, finish machining of the inner wall and the outer wall of the steel pipe is needed by utilizing machine tools such as a polishing machine and the like.

In the related art, the Chinese patent with publication number CN105415161A can be referred to, and discloses a steel pipe surface polishing machine which comprises a case, a dust collector, a working table and a motor case shell, wherein the inner cavities of the case are respectively provided with the dust collector, a power supply box and a control host machine, the top of the case is provided with the working table, and the left side and the right side of the bottom of the working table are respectively provided with a conveying roller. When the equipment is used, the steel pipes can be conveyed to the working table top by the feeding device, then the steel pipes can move under the conveying action of the conveying belt and the propeller, different positions of the length direction of the steel pipes are gradually contacted with the polishing movable rollers, the motor drives the polishing movable rollers to polish the pipes, and finally the pipes are conveyed out by the conveying belt, and the steel pipes move to the position near the polishing movable rollers one by one to be processed in a flow manner.

In order to realize the flow processing in the related art, the polishing machine needs to pass through the vicinity of the polishing movable roller one by one, and only can polish the outer wall of the steel pipe, and if the processed steel pipe needs to process the inner wall, the steel pipe with the processed outer wall needs to be moved to another machine tool to process the inner wall, and both the inner wall and the outer wall of the steel pipe cannot be processed, so that the applicability is low.

Disclosure of Invention

In order to improve the suitability, this application provides a multi-function lathe for steel pipe processing.

The application provides a multi-functional lathe for steel pipe processing adopts following technical scheme:

the utility model provides a multi-functional lathe for steel tube machining, which comprises a frame, the frame is equipped with the power unit that is used for driving the steel pipe to remove, the frame upper end is equipped with outer emery wheel, outer emery wheel below is equipped with the cross axle, emery wheel in the cross axle fixedly connected with, the both ends of cross axle all are equipped with the support frame, the frame is equipped with the lift piece that the drive support frame goes up and down and the slip piece that the drive support frame slided along cross axle length direction, the support frame upper end rotates and is connected with the drive ring, it is connected with a plurality of locking rollers to rotate on the drive ring inner wall, a plurality of locking rollers are arranged along the circumference of drive ring, the support frame is equipped with the retaining member that is used for controlling a plurality of locking rollers and follows drive ring radial movement in step, the support frame is equipped with and is used for driving drive ring pivoted driving piece.

By adopting the technical scheme, after the supporting frame is lifted, the driving ring is sleeved outside the cross shaft under the action of the sliding piece, then the locking piece drives the locking roller to lock the cross shaft, and finally the driving ring is driven by the driving piece to rotate, so that the cross shaft and the inner grinding wheel on the cross shaft can be driven to rotate. The steel pipe is gradually close to the cross shaft under the action of the power mechanism, and when the steel pipe is to be sleeved outside the cross shaft, the cross shaft is driven and supported by the support frame at the position of the cross shaft, which is far away from the steel pipe; when the steel pipe is gradually sleeved outside the transverse shaft, the outer grinding wheel processes the outer wall of the steel pipe, and the inner grinding wheel processes the inner wall of the steel pipe; when the steel pipe is about to break away from the cross axle, two support frames are alternated, and the cross axle is driven and supported by another support frame, so that the steel pipe can break away from the cross axle smoothly. The process is circulated to realize flow processing, the inner wall and the outer wall of the steel pipe can be simultaneously processed, and the applicability is improved.

Optionally, a plurality of locking grooves are formed in the side curved surfaces at the two ends of the length direction of the cross shaft, the locking grooves are arranged along the length direction of the cross shaft, the locking grooves at the same end are arranged along the circumferential direction of the cross shaft, and the locking grooves correspond to the locking rollers one to one.

Through adopting above-mentioned technical scheme, retaining member drive locking roller is along the radial cross axle that is close to of drive ring and then when pressing from both sides the cross axle tightly, and locking roller embedding locking inslot, and then improve the limited effect to cross axle and drive ring relative position, the cross axle is difficult more to take place relative rotation with the drive ring, is favorable to improving the drive ring to the driven stability of cross axle.

Optionally, elastic members are connected between the plurality of locking rollers and the driving ring, and the diameter of a common tangent circle in the plurality of locking rollers is larger than or equal to the diameter of the transverse shaft in a natural state of the elastic members.

By adopting the technical scheme, when the locking part is not used, the elastic part can elastically stretch the locking roller to a position far away from the cross shaft, so that the driving ring can be smoothly sleeved outside the cross shaft when the supporting frame moves towards the cross shaft, and the structure is simple and good in effect.

Optionally, the retaining member includes the sleeve, and the internal diameter that the sleeve is close to locking roller one end is along being close to the direction grow gradually of locking roller, and under the elastic component natural state, the outer common circle diameter of a plurality of locking rollers is greater than sleeve minimum internal diameter and is less than sleeve maximum internal diameter.

Through adopting above-mentioned technical scheme, the internal diameter that the sleeve gradually changes can play the guide effect to the locking roller, and then extrudees the locking roller to the direction that is close to the cross axle, makes the locking roller get into the locking inslot, and simple structure controls conveniently.

Optionally, both ends of the length direction of the cross shaft are provided with limit tables, the limit tables have the same diameter as the cross shaft and are positioned on one side of the two locking grooves which deviate from each other.

Through adopting above-mentioned technical scheme, when the cross axle was kept away from to the brace table, the relative movement took place with the retaining member to the one end and the spacing platform butt of locking roller, the locking roller of being convenient for, and then breaks away from the spacing of retaining member smoothly, and the guarantee support frame is got back to initial condition, is convenient for carry out the centre gripping to the cross axle next time smoothly, is favorable to improving the stability of flowing water processing.

Optionally, the sliding part comprises a sliding plate and a telescopic cylinder, the sliding plate is connected with the rack in a sliding mode along the length direction of the cross shaft, the sliding plate and the telescopic cylinder are in one-to-one correspondence with the supporting frame, the supporting frame is connected with the corresponding sliding plate in a sliding mode along the vertical direction, the cylinder body of the telescopic cylinder is connected with the rack, and the output end of the telescopic cylinder is fixedly connected with the corresponding sliding plate.

Through adopting above-mentioned technical scheme, telescopic cylinder's output is flexible can control the slide plate and drive the length direction slip of corresponding support frame along the cross axle, can ensure simultaneously that the support frame goes up and down smoothly on the slide plate, and simple structure control is convenient.

Optionally, the lift piece includes the elevating platform with the support frame one-to-one, the elevating platform be located corresponding slide plate below and with corresponding slide plate parallel arrangement, the lower tip of support frame and the up end butt that corresponds the elevating platform, the one end that two elevating platforms kept away from each other all is equipped with domaticly, domatic height reduces gradually along the direction of keeping away from each other.

Through adopting above-mentioned technical scheme, the in-process that the slide plate removed along cross axle length direction, highly automatic change under domatic effect realizes the lift of support frame, and simple structure control is convenient.

Optionally, the lifting platform, the telescopic cylinder and the sliding plate are detachably connected with the rack.

Through adopting above-mentioned technical scheme, user's accessible is changed height, the position etc. of adjustment elevating platform, telescopic cylinder and slide plate, and then the steel pipe of the different specifications of adaptation, further improves the suitability.

To sum up, the present application includes the following at least one useful technical effect of a multi-function lathe for steel pipe machining:

1. after the supporting frame is lifted, the driving ring is sleeved outside the cross shaft under the action of the sliding piece, the locking piece drives the locking roller to lock the cross shaft, and finally the driving ring is driven by the driving piece to rotate, so that the cross shaft and the inner grinding wheel on the cross shaft can be driven to rotate. The steel pipe is gradually close to the cross shaft under the action of the power mechanism, and when the steel pipe is to be sleeved outside the cross shaft, the cross shaft is driven and supported by the support frame at the position of the cross shaft, which is far away from the steel pipe; when the steel pipe is gradually sleeved outside the transverse shaft, the outer grinding wheel processes the outer wall of the steel pipe, and the inner grinding wheel processes the inner wall of the steel pipe; when the steel pipe is about to break away from the cross axle, two support frames are alternated, and the cross axle is driven and supported by another support frame, so that the steel pipe can break away from the cross axle smoothly. The process is circulated to realize flow processing, the inner wall and the outer wall of the steel pipe can be simultaneously processed, and the applicability is improved;

2. in the process that the sliding plate moves along the length direction of the transverse shaft, the height of the sliding plate automatically changes under the action of the slope surface, the lifting of the supporting frame is realized, the structure is simple, and the control is convenient;

3. the height, the position etc. of adjustment elevating platform, telescopic cylinder and slide plate are changed to the user's accessible, and then the steel pipe of the different specifications of adaptation, further improve the suitability.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

Fig. 2 is a schematic view of the internal structure of the rack.

FIG. 3 is a cross-sectional view showing the relative positions of the steel pipe, the inner grinding wheel and the outer grinding wheel.

FIG. 4 is a partial schematic view showing the structure of the supporting frame, the lifting member and the sliding member.

Fig. 5 is a schematic cross-sectional view of the supporting frame.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Description of reference numerals: 1. a frame; 11. an outer grinding wheel; 12. a lifting platform; 121. a slope surface; 13. a sliding member; 131. a telescopic cylinder; 132. a slide plate; 14. a feeding end; 15. a discharge end; 2. a power mechanism; 21. a power roller; 22. a guide roller; 23. a power shaft; 3. a support frame; 31. a sleeve; 32. a drive ring; 321. connecting blocks; 322. an elastic member; 323. a locking roller; 33. a drive member; 4. a horizontal axis; 41. an inner grinding wheel; 42. a locking groove; 43. a limiting ring; 44. and a limiting table.

Detailed Description

The present application is described in further detail below with reference to all of the figures.

The embodiment of the application discloses a multifunctional lathe for steel pipe machining.

Referring to fig. 1 and 2, a multifunctional lathe for processing steel pipes comprises a frame 1, wherein one end of the frame 1 in the length direction is a feeding end 14, the other end of the frame 1 is a discharging end 15, a power mechanism 2 extending from the feeding end 14 to the discharging end 15 is installed in the frame 1, and steel pipes pass through the frame 1 one by one under the action of the power mechanism 2, so that the flow processing is realized. An outer grinding wheel 11 and an inner grinding wheel 41 are installed in the frame 1, and the outer grinding wheel 11 and the inner grinding wheel 41 simultaneously machine the inner wall and the outer wall of the steel pipe; two support frames 3 are installed in the machine frame 1, and the two support frames 3 alternately support and drive the inner grinding wheel 41 and simultaneously avoid the moving path of the steel pipe.

Referring to fig. 2 and 3, when the user connects the power mechanism 2 to the external pipeline conveying mechanism, the steel pipes on the pipeline can be automatically moved to the power mechanism 2 one by one. The power mechanism 2 comprises a group of power rollers 21 and a group of guide rollers 22, the plurality of power rollers 21 and the plurality of guide rollers 22 are arranged along the length direction of the rack 1, the steel pipe moves to the position above the power rollers 21 and the guide rollers 22, and the power rollers 21 and the guide rollers 22 support the steel pipe together.

Referring to fig. 2, the power mechanism 2 further includes a power shaft 23, the power shaft 23 is arranged along the length direction of the frame 1, the frame 1 is provided with a bearing seat which supports the power shaft 23 and is rotatably connected with the power shaft 23, the plurality of power rollers 21 are all coaxially and fixedly connected with the power shaft 23, a user controls the power shaft 23 to rotate by using power parts such as motors and the like, so that all the power rollers 21 can be driven to rotate synchronously, the axes of the power rollers 21 are parallel to the axes of the steel pipes, and the steel pipes on the power rollers are driven to rotate around the axes of the steel pipes.

Referring to fig. 2 and 3, the guide rollers 22 are rotatably connected with the frame 1, the axes of the guide rollers 22 incline in the same direction, and finally intersect with the axis of the power shaft 23 at 45 degrees, the guide rollers 22 are driven to rotate by the rotation of the steel pipe, and the guide rollers 22 incline to provide friction force for the steel pipe to move towards the discharge end 15, so that the steel pipe is guided, and the steel pipe automatically moves from the feed end 14 to the discharge end 15 while rotating.

Referring to fig. 1, the outer grinding wheel 11 is rotatably connected to the middle position of the machine frame 1 in the length direction, and the axis of the outer grinding wheel is parallel to the axis of the steel pipe, the machine frame 1 is provided with a spindle box for driving the outer grinding wheel 11 to rotate and lift, the spindle box is a conventional technology, and the embodiment is not described in detail. After entering the rack 1 from the feed end 14, the steel pipe gradually approaches the outer grinding wheel 11 and gradually moves to the position right below the outer grinding wheel 11, the steel pipe automatically contacts with the outer grinding wheel 11 to process the outer wall, and along with the movement of the steel pipe, the outer grinding wheel 11 gradually processes different axial positions of the steel pipe.

Referring to fig. 2 and 3, in order to support the inner grinding wheel 41 conveniently, a cross shaft 4 is installed in the machine frame 1, the cross shaft 4 is arranged along the length direction of the machine frame 1 and is positioned right below the outer grinding wheel 11, the inner grinding wheel 41 is coaxially and fixedly installed at the middle position of the length direction of the cross shaft 4, the cross shaft 4 is positioned between the two support frames 3, when a steel pipe approaches the outer grinding wheel 11, the cross shaft 4 is supported by the support frame 3 close to the discharge end 15, and a lifting piece for driving the support frames 3 to lift is installed in the machine frame 1, at this time, the support frame 3 close to the feed end 14 is not in contact with the cross shaft 4 and is positioned at a lower position under the action of the lifting piece, so that the steel pipe is smoothly sleeved outside the cross shaft 4, and the inner grinding wheel 41 smoothly enters the steel pipe to be in contact with the inner wall of the steel pipe.

Referring to fig. 2 and 4, the lifting member includes two lifting platforms 12, the lifting platforms 12 correspond to the supporting frames 3 one by one, the lifting platforms 12 are located below the corresponding supporting frames 3 and are detachably fixed on the rack 1 by bolts, at this time, the lower end of the supporting frame 3 close to the discharge end 15 is abutted to the highest position of the corresponding lifting platform 12, and then the supporting and driving of the cross shaft 4 is carried out in the highest state, so that the inner grinding wheel 41 rotates to process the inner wall of the steel pipe.

Referring to fig. 2 and 4, the length of the cross shaft 4 is greater than that of the processed steel pipe, when the steel pipe is completely sleeved on the cross shaft 4, the two support frames 3 start to be replaced, the support frame 3 closer to the feeding end 14 rises first to support and drive the cross shaft 4, and the support frame 3 closer to the discharging end 15 descends to a lower position, so that the steel pipe smoothly moves to the discharging end 15.

Referring to fig. 2 and 4, frame 1 installs the sliding part 13 that drive support frame 3 slided along 4 length direction of cross axle, sliding part 13 includes two sliding plate 132 and two telescopic cylinder 131, two sliding plate 132 all follow the length direction of frame 1 and frame 1 sliding connection, sliding plate 132 and support frame 3 one-to-one, sliding plate 132 sets up the spacing hole with 3 adaptations of support frame, support frame 3 wears to locate the spacing downthehole of corresponding sliding plate 132, under the limiting displacement in spacing hole, support frame 3 can only take place relative lift with sliding plate 132. Telescopic cylinder 131 and sliding plate 132 one-to-one, telescopic cylinder 131's cylinder body utilizes the bolt can be dismantled with frame 1 and is connected, and the output is connected on corresponding sliding plate 132, and telescopic cylinder 131's output is flexible can drive sliding plate 132 and slide along 1 length direction of frame, and telescopic cylinder 131's output shrink control is close to support frame 3 on it along 1 length direction of frame that sliding plate 132 that feed end 14 was close to this moment drives, and is close to cross axle 4.

Referring to fig. 4, the slope 121 is disposed at the end of each of the two lifters 12 away from each other, the height of the slope 121 is gradually reduced along the direction away from each other, and during the movement process of the support frame 3 close to the cross shaft 4, the lower end of the support frame 3 abuts against the slope 121, and the slope 121 guides the support frame 3 to slide relative to the sliding plate 132, so that the support frame 3 slides relative to the sliding plate 132 upwards until the support frame 3 is separated from the slope 121, and the support frame 3 abuts against the highest position of the lifters 12 and moves to the highest state.

Referring to fig. 4 and 6, the output end of the telescopic cylinder 131 continues to contract, and the corresponding support frame 3 is continuously driven to approach the horizontal shaft 4. The driving ring 32 is installed at the upper end of the supporting frame 3, the driving ring 32 of the supporting frame 3 in the highest state is coaxial with the transverse shaft 4, the driving ring 32 is installed with a plurality of locking rollers 323 along the circumferential direction of the driving ring 32, the locking rollers 323 are all arranged along the axial direction of the driving ring 32, two ends of each locking roller 323 are respectively connected with a connecting block 321 in a rotating mode, each connecting block 321 is connected with the driving ring 32 in a sliding mode along the radial direction of the driving ring 32, elastic pieces 322 are connected between each connecting block 321 and the driving ring 32, each elastic piece 322 selects rubber blocks, the elastic pieces 322 are in a natural state at the moment, all the locking rollers 323 are located far away from the central shaft of the driving ring 32, the diameter of a common circle in the plurality of locking rollers 323 is larger than or equal to the diameter of the transverse shaft 4 at the moment, and the transverse shaft 4 is not influenced to enter between the plurality of locking rollers 323. As the support frame 3 approaches the transverse shaft 4, the transverse shaft 4 penetrates into the drive ring 32.

Referring to fig. 4 and 5, the two ends of the transverse shaft 4 are coaxially and fixedly provided with the limiting rings 43, the inner diameter of the driving ring 32 is smaller than the outer diameter of the limiting rings 43, and the driving ring 32 is gradually abutted against the limiting rings 43 to limit the driving ring 32. The driving ring 32 is sleeved with a locking piece, the locking piece comprises a sleeve 31 which is coaxial with the driving ring 32, the outer wall of the sleeve 31 is rotatably connected with the corresponding support frame 3, the inner wall of the sleeve is slidably connected with the driving ring 32, in an initial state, one end of the driving ring 32 extends out of the sleeve 31, and at the moment, the locking rollers 323 are all located outside the sleeve 31, the elastic piece 322 is still in a natural state, after the driving ring 32 is limited by the limiting ring 43, along with the continuous contraction of the output end of the telescopic cylinder 131, the sleeve 31 and the driving ring 32 slide relatively, namely, the driving ring 32 gradually moves into the sleeve 31.

Referring to fig. 6, the inner diameter of the sleeve 31 near one end of the locking roller 323 gradually increases along the direction near the locking roller 323, and the outer diameter of the circle of the plurality of locking rollers 323 is larger than the minimum inner diameter of the sleeve 31 and smaller than the maximum inner diameter of the sleeve 31 in the natural state of the elastic member 322, so that the inner wall of the sleeve 31 gradually abuts against the locking roller 323 and applies a force to the locking roller 323 to move toward the central axis of the driving ring 32 in the process that the driving ring 32 moves into the sleeve 31, and at this time, the elastic member 322 is compressed until the entire locking roller 323 is located in the sleeve 31, and then the output end of the telescopic cylinder 131 stops telescoping.

Referring to fig. 4 and 5, a plurality of locking grooves 42 are formed at both ends of the transverse shaft 4, the locking grooves 42 are located at the sides of the two limit rings 43 which are deviated from each other, the locking grooves 42 correspond to the locking rollers 323 one by one, when the locking rollers 323 are integrally located in the sleeve 31, the locking rollers 323 are embedded into the locking grooves 42 one by one, the radial cross section of the transverse shaft 4 at the position where the locking grooves 42 are formed is polygonal, and relative rotation between the transverse shaft 4 and the driving ring 32 is difficult to occur at this time.

Referring to fig. 3 and 5, driving members 33 for driving the driving ring 32 to rotate are installed in the supporting frame 3, the driving members 33 may be power members such as motors, and an output shaft of the driving members 33 is directly connected to the sleeve 31, or the driving members 33 directly drive the sleeve 31 to rotate by using a synchronous belt of a synchronous wheel, that is, the driving ring 32 drives the transverse shaft 4 to rotate, so as to complete the supporting and driving of the supporting frame 3 to the transverse shaft 4. In the process of alternating the two support frames 3, a user can control the horizontal shaft 4 and the power shaft 23 to pause and rotate, so that the driving part 33 can smoothly clamp the horizontal shaft 4.

Referring to fig. 2, after the supporting frame 3 near the feeding end 14 successfully supports the cross shaft 4, the supporting frame 3 near the discharging end 15 can be separated from the supporting state of the cross shaft 4, and at this time, the output end of the supporting frame 3 corresponding to the telescopic cylinder 131 extends to drive the supporting frame 3 to move in the direction away from the cross shaft 4.

Referring to fig. 4, the two ends of the transverse shaft 4 in the length direction are fixedly provided with the limiting tables 44, the diameters of the limiting tables 44 and the transverse shaft 4 are the same, the limiting tables 44 block one end of the locking groove 42 away from the limiting ring 43, and further abut against and limit one end of the locking roller 323 away from the limiting ring 43, so that the driving ring 32 and the sleeve 31 slide relative to each other again, until the locking roller 323 is separated from the sleeve 31 as a whole, the locking roller 323 returns to the initial position under the action of the elastic restoring force of the elastic piece 322 and is separated from the locking groove 42, and the sleeve 31 pulls the driving ring 32 to be completely separated from the transverse shaft 4 along with the continuous extension of the output end of the telescopic cylinder 131, and loses the support of the transverse shaft 4.

Referring to fig. 2 and 4, after the support frame 3 near the discharge end 15 loses the support of the cross shaft 4, the driving member 33 of the support frame 3 near the feed end 14 can drive the cross shaft 4 to rotate. And simultaneously, the power shaft 23 rotates again to continue processing, and the steel pipe continues to move towards the discharge end 15. At this time, the lower end of the support frame 3 near the discharge end 15 contacts the slope 121 of the corresponding lifting table 12 and gradually descends to the lowest position along the slope 121, so that the movement of the steel pipe to the discharge end 15 is not hindered.

Referring to fig. 1 and 2, after the previous steel pipe is machined, the support frame 3 close to the discharge end 15 is lifted again to clamp the cross shaft 4, then the support frame 3 close to the feed end 14 is lowered to avoid the moving path of the steel pipe, and the process is repeated to realize the flow machining of the steel pipe; after the user controls the two support frames 3 to descend, the cross shaft 4 is taken out, and the outer wall can be independently processed; after the user utilizes headstock control outer emery wheel 11 to rise, operate according to above-mentioned step and can process the inner wall alone, can be applicable to the different processing demands of steel pipe under the prerequisite of flowing water processing, the suitability is higher.

Referring to fig. 2 and 4, the user can adjust the positions or sizes of the lifting table 12, the telescopic cylinder 131, the power mechanism 2, and the slide plate 132 by removing the bolts of the lifting table 12 and the telescopic cylinder 131, so as to be suitable for processing steel pipes of different sizes, and the applicability is high.

The implementation principle of the multifunctional lathe for processing the steel pipe is as follows: the steel pipes enter the frame 1 from the feeding end 14 one by one under the action of the power mechanism 2, the two support frames 3 alternately support and drive the inner grinding wheel 41 to avoid the moving path of the steel pipes, the processed steel pipes are discharged from the discharging end 15, and the outer grinding wheel 11 and the inner grinding wheel 41 simultaneously process the inner wall and the outer wall of the steel pipes; after the user controls the two support frames 3 to descend, the cross shaft 4 is taken out, and the outer wall can be independently processed; after the user utilizes headstock control outer emery wheel 11 to rise, operate according to above-mentioned step and can process the inner wall alone, can be applicable to the different processing demands of steel pipe under the prerequisite of flowing water processing, the suitability is higher.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a multi-functional lathe for steel pipe processing, includes frame (1), its characterized in that: frame (1) is equipped with power unit (2) that is used for driving the steel pipe and removes, frame (1) upper end is equipped with outer emery wheel (11), outer emery wheel (11) below is equipped with cross axle (4), emery wheel (41) in cross axle (4) fixedly connected with, the both ends of cross axle (4) all are equipped with support frame (3), frame (1) is equipped with lifter and the drive support frame (3) that drive support frame (3) go up and down and slides (13) that slide along cross axle (4) length direction, support frame (3) upper end rotates and is connected with drive ring (32), it is connected with a plurality of locking rollers (323 to rotate on drive ring (32) inner wall, a plurality of locking rollers (323) are arranged along the circumference of drive ring (32), support frame (3) are equipped with the retaining member that is used for controlling a plurality of locking rollers (323) and is synchronous along drive ring (32) radial movement, support frame (3) are equipped with and are used for driving drive ring (32) pivoted driving piece (33).

2. The multifunctional lathe for processing the steel pipe as claimed in claim 1, wherein: a plurality of locking grooves (42) are formed in side curved surfaces at two ends of the length direction of the transverse shaft (4), the locking grooves (42) are arranged along the length direction of the transverse shaft (4), the locking grooves (42) located at the same end are arranged along the circumferential direction of the transverse shaft (4), and the locking grooves (42) correspond to the locking rollers (323) one by one.

3. The multi-function lathe for steel pipe working as set forth in claim 2, wherein: elastic pieces (322) are connected between the plurality of locking rollers (323) and the driving ring (32), and the diameter of a common tangent circle in the plurality of locking rollers (323) is larger than or equal to that of the transverse shaft (4) under the natural state of the elastic pieces (322).

4. The multi-function lathe for steel pipe working as set forth in claim 3, wherein: the retaining member comprises a sleeve (31), the inner diameter of one end, close to the locking roller (323), of the sleeve (31) gradually increases along the direction close to the locking roller (323), and under the natural state of the elastic member (322), the diameters of the outer common tangent circles of the locking rollers (323) are larger than the minimum inner diameter of the sleeve (31) and smaller than the maximum inner diameter of the sleeve (31).

5. The multi-function lathe for steel pipe working as set forth in claim 2, wherein: both ends of cross axle (4) length direction all are equipped with spacing platform (44), and spacing platform (44) are the same with cross axle (4) diameter, and are located the one side that two locking grooves (42) deviate from each other.

6. The multi-function lathe for steel pipe working as set forth in claim 1, wherein: sliding member (13) are including slide plate (132) and telescopic cylinder (131), slide plate (132) along cross axle (4) length direction and frame (1) sliding connection, slide plate (132), telescopic cylinder (131) all with support frame (3) one-to-one, support frame (3) are along vertical direction and slide plate (132) sliding connection who corresponds, the cylinder body of telescopic cylinder (131) all is connected with frame (1), the output of telescopic cylinder (131) and slide plate (132) fixed connection who corresponds.

7. The multifunctional lathe for processing the steel pipe as claimed in claim 6, wherein: the lift piece includes elevating platform (12) with support frame (3) one-to-one, elevating platform (12) be located corresponding slide plate (132) below and with corresponding slide plate (132) parallel arrangement, the lower tip of support frame (3) and the up end butt that corresponds elevating platform (12), the one end that two elevating platform (12) kept away from each other all is equipped with domatic (121), the direction of keeping away from each other along the height of domatic (121) reduces gradually.

8. The multi-purpose lathe for steel pipe machining according to claim 7, wherein: the lifting platform (12), the telescopic cylinder (131) and the sliding plate (132) are detachably connected with the rack (1).

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