CN115194512A - Positioning and clamping device for pipeline machining and clamping method thereof - Google Patents
Positioning and clamping device for pipeline machining and clamping method thereof Download PDFInfo
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- CN115194512A CN115194512A CN202210902630.2A CN202210902630A CN115194512A CN 115194512 A CN115194512 A CN 115194512A CN 202210902630 A CN202210902630 A CN 202210902630A CN 115194512 A CN115194512 A CN 115194512A
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- worm
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- positioning
- centre gripping
- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a positioning and clamping device for pipeline machining and a clamping method thereof, relates to the relevant field of pipeline machining, and aims to solve the problems that in the prior art, a pipeline is only clamped externally, the stress on the outer layer surface is tense compared with the stress on the inner layer surface when the pipeline is acted from outside to inside, the mechanical machining such as mechanical cutting or drilling is mostly carried out from outside, and because the pipeline is stressed, the pipeline is acted on the inner layer surface, the internal oscillation amplitude around the machining position is large, and gaps or other machining defects are caused. One side of workstation upper end rear end is provided with first location centre gripping subassembly, first location centre gripping subassembly includes fixed table surface, the opposite side of workstation upper end rear end is provided with second location centre gripping subassembly, second location centre gripping subassembly includes the slip mesa, the middle welded fastening in the fixed table surface and the slip mesa upper end outside has fixed pole setting, the inboard of fixed pole setting is rotated through rotating the sleeve pipe and is connected with the runner.
Description
Technical Field
The invention relates to the field related to pipeline machining, in particular to a positioning and clamping device for pipeline machining and a clamping method thereof.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Due to different application environments of the pipelines, the pipelines need to be subjected to different processing treatments, such as corrosion prevention treatment, high temperature resistance treatment, drilling treatment, cutting treatment, groove treatment and the like, and the pipelines need to be positioned and clamped when being processed, so that the stability of the pipelines during processing is kept.
For example, chinese granted patent publication No. CN 214977775U (beveling machine for pipe machining): comprises a bottom plate, a clamping mechanism and a groove mechanism; the clamping mechanism is arranged on one side of the bottom plate and comprises a sliding seat in sliding connection with the bottom plate, a fourth fixing plate is arranged at one end, away from the bottom plate, of the sliding seat, the fourth fixing plate is connected with a third rotating shaft in a rotating mode, third bevel gears are arranged on the two sides of the third rotating shaft, the third bevel gears are connected with the fourth bevel gears in a meshed mode, the fourth bevel gears are fixedly connected with the end portions of third screw rods, and threads with opposite rotating directions are arranged on the two sides of the third screw rods. The utility model discloses a set up fixture and make that columniform pipeline also can be stable fixed.
Although the prior art has the functions of adjusting and clamping and keeping the pipeline stably fixed, the pipeline is only clamped externally, the stress of the outer layer surface is tense compared with that of the inner layer surface when the pipeline is acted from outside to inside, and the mechanical processing such as mechanical cutting or drilling is also carried out from outside mostly, and because of the stress problem of the pipeline, the pipeline can cause large internal oscillation amplitude around the processing position when being acted on the inner layer surface, and gaps or other processing defects are generated.
Disclosure of Invention
The invention aims to provide a positioning and clamping device for processing a pipeline and a clamping method thereof, which are used for solving the problems that the pipeline provided in the background technology is only clamped externally, the stress of the outer layer surface is tense compared with the stress of the inner layer surface when the pipeline is applied from outside to inside, mechanical processing such as mechanical cutting or drilling is mostly processed from outside, and the inner vibration amplitude around the processing position is large and gaps or other processing defects are generated when the pipeline is applied to the inner layer surface due to the stress problem of the pipeline.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning and clamping device for pipeline processing comprises a workbench, wherein a first positioning and clamping assembly is arranged on one side of the rear end of the upper end of the workbench and comprises a fixed table board, a second positioning and clamping assembly is arranged on the other side of the rear end of the upper end of the workbench and comprises a sliding table board, a fixed vertical rod is welded and fixed in the middle of the outer sides of the upper ends of the fixed table board and the sliding table board, a rotating wheel is rotatably connected to the inner side of the fixed vertical rod through a rotating sleeve, a welding cross plate is welded and fixed on the outer side surface of the rotating wheel, inner clamping units are arranged at the front end and the rear end of the inner part of the rotating wheel, outer clamping units are arranged at the upper end and the lower end of the inner part of the rotating wheel, each inner clamping unit comprises a third fixed seat, every group is two it is connected with interior centre gripping subassembly to rotate between the third fixing base, interior centre gripping subassembly includes interior regulation worm wheel, the last lower end fixedly connected with interior regulation solid fixed page of interior regulation worm wheel, every group is two the other end of interior regulation solid fixed page is connected with interior regulation connecting block jointly, another terminal surface of interior regulation connecting block is provided with interior regulation salient arc portion, outer centre gripping unit includes the fourth fixing base, and every group is two it is connected with outer centre gripping subassembly to rotate between the fourth fixing base, outer centre gripping subassembly includes outer adjusting gear, outer adjusting gear's both sides fixedly connected with adjusts solid fixed page outward, every group is two the other end of outer regulation solid fixed page is connected with outer regulation connecting block jointly, another terminal surface of outer regulation connecting block is provided with outer regulation sunken fixed part.
Preferably, a middle circular plate is fixedly welded in the middle of the welding cross plate, a turning motor is installed on the outer side of the rotating wheel, a middle rotating worm is installed inside the rotating wheel along the output shaft end of the turning motor, and the middle rotating worm is connected with the inner adjusting worm wheel in a meshed mode.
Preferably, the outer clamping unit further comprises an outer adjusting worm, the outer adjusting worm is meshed with the middle rotating worm, one side of the outer adjusting worm is fixedly connected with a first connecting gear through a shaft, the outer end of the first connecting gear is meshed with a second connecting gear, the outer end of the second connecting gear is meshed with a third connecting gear, and the third connecting gear is meshed with the outer adjusting gear on the outer clamping component.
Preferably, one side welded fastening that fixed table face was kept away from to the workstation has the bearing frame, the middle axis of rotation that rotates between workstation and the bearing frame is connected with middle axis of rotation, the slip driving motor is installed along the one end of middle axis of rotation in the bearing frame outside, the outside one side of keeping away from fixed table face of middle axis of rotation is provided with screw thread portion, and screw thread portion passes through threaded connection with the slip mesa, workstation up end corresponds the position with the slip mesa and has seted up spacing sliding tray, the lower extreme an organic whole of slip mesa is connected with spacing portion, and spacing portion slides along spacing sliding tray.
Preferably, the first positioning and clamping assembly and the second positioning and clamping assembly both comprise a driving worm wheel, first fixing seats are welded and fixed to two sides of the front end of the upper end of the workbench, a position adjusting driving rotating shaft is connected between the first fixing seats in a rotating mode through a bearing, a first driving motor is installed on one side, along one side of the position adjusting driving rotating shaft, of the outer side of the first fixing seat, a first worm is arranged on one side of the position adjusting driving rotating shaft, a second worm is arranged on the other side of the position adjusting driving rotating shaft, the length of the second worm is larger than that of the first worm, the driving worm wheel on the first positioning and clamping assembly is meshed with the first worm, and the driving worm wheel on the second positioning and clamping assembly is meshed with the second worm.
Preferably, both ends welded fastening has the second fixing base around fixed mesa and the inboard sliding table face upper end, every group two rotate through the bearing between the second fixing base and be connected with the rotation worm, the axle that rotates the worm passes the front end the second fixing base is connected with the drive worm wheel, the chute has been seted up to the surface of runner, and the chute is provided with a plurality of, and is a plurality of angle settings such as chute rotate the worm and go up the chute meshing with the runner.
Preferably, the convex surface of the inner adjusting convex arc-shaped part is fixedly connected with a first non-slip mat, and the concave surface of the outer adjusting concave fixing part is fixedly connected with a second non-slip mat.
Preferably, the two sides at both ends are installed along middle axis of rotation front and back to the workstation upper end and are driven the hydraulic cylinder, the output rod end of drive hydraulic cylinder is connected with the fixed block, four the common welded fastening in upper end of fixed block places half pipe.
A method of clamping comprising the steps of:
the method comprises the following steps: an output rod of the hydraulic cylinder is driven to extend, the placing half pipe is driven to move upwards, and the pipeline to be processed is placed at the upper end of the placing half pipe;
step two: the sliding driving motor drives the middle rotating shaft to rotate, and due to the threaded connection relationship between the threaded part and the sliding table top on the second positioning and clamping assembly, the second positioning and clamping assembly slides towards the direction of the first positioning and clamping assembly, so that two ends of the pipeline to be processed enter a rotating wheel of the second positioning and clamping assembly of the first positioning and clamping assembly, and meanwhile, a worm wheel is driven on the second positioning and clamping assembly to rotate and move along a second worm on the position adjusting and driving rotating shaft;
step three: the output shaft end of the turning motor drives the middle rotating worm to rotate, an inner adjusting worm wheel on the inner clamping assembly is driven to rotate outwards, the inner adjusting fixed page, the inner adjusting connecting block and the inner adjusting convex arc-shaped part synchronously rotate outwards, and the inner adjusting convex arc-shaped part is pressed on two sides of the inner part of the pipeline to be processed; the outer adjusting worm on the outer clamping unit is driven to rotate outwards, the first connecting gear synchronously rotates outwards, the second connecting gear rotates inwards, the third connecting gear rotates outwards, the outer adjusting gear on the outer clamping assembly rotates inwards, the outer adjusting fixed page, the outer adjusting connecting block and the outer adjusting concave fixing part synchronously rotate inwards, and the outer adjusting concave fixing part is pressed at two ends outside the pipeline to be processed;
step four: the output rod of the hydraulic cylinder is driven to contract, and the placing half pipe is driven to move downwards;
step five: when the position of the pipeline to be machined is rotated after single machining is finished, the first driving motor drives the position adjusting driving rotating shaft to rotate, the first worm and the second worm synchronously rotate to drive the first positioning clamping assembly and the second positioning clamping assembly to drive the worm wheel to synchronously rotate, the rotating worm synchronously rotates along with the driving worm wheel, and the rotating wheel drives the pipeline to be machined to rotate due to the meshing relation of the chute on the rotating wheel and the rotating worm.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the output shaft end of the turnover motor drives the middle rotating worm to rotate, the inner adjusting worm wheel on the inner clamping assembly is driven to rotate outwards, the inner adjusting fixed page, the inner adjusting connecting block and the inner adjusting convex arc part synchronously rotate outwards, and the inner adjusting convex arc part is pressed on two sides of the inner part of the pipeline to be processed; the outer adjusting worm on the outer clamping unit is driven to rotate outwards, the first connecting gear synchronously rotates outwards, the second connecting gear rotates inwards, the third connecting gear rotates outwards, the outer adjusting gear on the outer clamping assembly rotates inwards, the outer adjusting fixed page, the outer adjusting connecting block and the outer adjusting concave fixing part synchronously rotate inwards, and the outer adjusting concave fixing part is pressed at two ends outside the pipeline to be processed. The inside both sides and the outside both ends of waiting to process the pipeline at this moment all are fixed by the pressfitting, and the inside and outside is fixed more stably, and inside and outside fixed messenger pipeline inside and outside direction atress, solved present pipeline only by outside centre gripping, from outside to inside to the pipeline effort, outer aspect atress is nervous than inner aspect atress, and mechanical cutting or the machining such as drilling that carry out is also from outside processing for a large number of times, because pipeline atress problem, it can lead to the interior vibration range big around the processing position when acting on the inner aspect, appear the problem of opening or other processing defects. And whole fixed knot constructs and does not introduce unnecessary drive structure, realizes fixing the outside direction in the pipeline through the cooperation of same drive structure with other structures, and drive structure sets up a small quantity, and extravagant drive structure power does not.
2. In the device, when the position of a pipeline to be processed is rotated after single processing is finished, a first driving motor drives a position adjusting driving rotating shaft to rotate, a first worm and a second worm synchronously rotate to drive driving worm wheels on a first positioning clamping assembly and a second positioning clamping assembly to synchronously rotate, the rotating worm synchronously rotates along with the driving worm wheels, and due to the meshing relationship of a chute on a rotating wheel and the rotating worm, the rotating wheel drives the pipeline to be processed to rotate, so that the requirements of processing steps are met; when the relative positions of the first positioning clamping assembly and the second positioning clamping assembly are adjusted according to the length of the pipeline, the driving worm wheel on the second positioning clamping assembly can rotate and move along the second worm on the position adjusting driving rotating shaft, namely, the rotation and adjustment of the pipeline to be processed do not affect the fixation of the two ends of the pipeline to be processed with different lengths, and the integrity of the whole device is improved through the driving and matching of the same structure.
Drawings
FIG. 1 is a front view of a positioning and clamping device for machining a pipe according to the present invention;
FIG. 2 is a schematic view of a connection structure of a workbench, a fixed table and a sliding table of the positioning and clamping device for machining a pipeline of the present invention;
FIG. 3 is a schematic view of the connection structure of the driving worm wheel and the rotating worm wheel of the positioning and clamping device for pipe machining according to the present invention;
FIG. 4 is a schematic perspective view of a positioning and clamping device for pipe machining, illustrating a half pipe;
FIG. 5 is a schematic side view of a rotating wheel of the positioning and clamping device for pipe machining according to the present invention;
FIG. 6 is a schematic perspective view of an outer clamping assembly of a positioning and clamping device for machining pipes according to the present invention;
fig. 7 is a schematic perspective view of an inner clamping assembly of a positioning and clamping device for pipeline processing according to the present invention.
In the figure: 1. a work table; 2. a first fixed seat; 3. a first drive motor; 4. a position adjustment drive shaft; 5. a first worm; 6. a second worm; 7. a first positioning and clamping assembly; 8. a second positioning and clamping assembly; 9. driving the hydraulic cylinder; 10. placing the half pipe; 11. a fixed block; 12. fixing the table top; 13. a sliding table top; 14. a middle rotating shaft; 15. a threaded portion; 16. a slide driving motor; 17. a limiting part; 18. a limiting sliding groove; 19. fixing the vertical rod; 20. turning over a motor; 21. a rotating wheel; 22. a chute; 23. a drive worm gear; 24. a second fixed seat; 25. rotating the worm; 26. welding a cross plate; 27. a middle circular plate; 28. the middle rotates the worm; 29. an inner clamping unit; 30. an outer clamping unit; 31. a third fixed seat; 32. an inner clamping assembly; 33. an inner adjusting worm gear; 34. an internal adjustment fixed page; 35. an inner adjusting connecting block; 36. an inner adjustment projecting arc portion; 37. a first non-slip mat; 38. an outer adjusting worm; 39. a first connecting gear; 40. a second connecting gear; 41. a third connecting gear; 42. an outer clamping assembly; 43. a fourth fixed seat; 44. an outer adjustment gear; 45. adjusting the fixed page; 46. an external adjustment connecting block; 47. an outer adjustment recess securing portion; 48. and a second non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, an embodiment of the present invention is shown: a positioning and clamping device for pipeline processing comprises a workbench 1, a first positioning and clamping component 7 is arranged on one side of the rear end of the upper end of the workbench 1, the first positioning and clamping component 7 comprises a fixed table board 12, a second positioning and clamping component 8 is arranged on the other side of the rear end of the upper end of the workbench 1, the second positioning and clamping component 8 comprises a sliding table board 13, a fixed upright rod 19 is welded and fixed in the middle of the outer sides of the upper ends of the fixed table board 12 and the sliding table board 13, the inner side of the fixed upright rod 19 is rotatably connected with a rotating wheel 21 through a rotating sleeve, a welding cross plate 26 is welded and fixed on the outer side surface of the rotating wheel 21, the connecting and fixing effects are achieved, the weight of unnecessary structures is reduced, inner clamping units 29 are arranged at the front end and the rear end inside the rotating wheel 21, outer clamping units 30 are arranged at the upper end and the lower end inside the rotating wheel 21, and the inner clamping units 29 comprise third fixing seats 31, an inner clamping component 32 is rotatably connected between each group of two third fixing seats 31, the inner clamping component 32 comprises an inner adjusting worm wheel 33, inner adjusting fixing leaves 34 are fixedly connected to the upper end and the lower end of the inner adjusting worm wheel 33, the other end of each group of two inner adjusting fixing leaves 34 is commonly connected with an inner adjusting connecting block 35, the other end surface of the inner adjusting connecting block 35 is provided with an inner adjusting convex arc part 36, the convex surface of the inner adjusting convex arc part 36 is fixedly connected with a first anti-skid pad 37, the outer clamping unit 30 comprises a fourth fixing seat 43, an outer clamping component 42 is rotatably connected between each group of two fourth fixing seats 43, the outer clamping component 42 comprises an outer adjusting gear 44, the two sides of the outer adjusting gear 44 are fixedly connected with outer adjusting fixing leaves 45, the other end of each group of two outer adjusting fixing leaves 45 is commonly connected with an outer adjusting connecting block 46, the other end surface of the outer adjusting connecting block 46 is provided with an outer adjusting concave fixing part 47, the concave surface fixedly connected with second slipmat 48 of outer regulation sunken fixed part 47, first slipmat 37 and second slipmat 48 have the line with the pipeline contact surface, and rubber materials particularity in addition plays skid-proof effect when fixed to the pipeline centre gripping, and can avoid the direct contact of rigid structure and pipeline, reduces the damage to the pipeline. The middle of the welding cross plate 26 is fixedly welded with a middle circular plate 27, the outer side of the rotating wheel 21 is provided with the turnover motor 20, the inner part of the rotating wheel 21 is provided with a middle rotating worm 28 along the output shaft end of the turnover motor 20, the middle rotating worm 28 is meshed with the inner adjusting worm wheel 33, the outer clamping unit 30 further comprises an outer adjusting worm 38, the outer adjusting worm 38 is meshed with the middle rotating worm 28, one side of the outer adjusting worm 38 is fixedly connected with a first connecting gear 39 through a shaft, the outer end of the first connecting gear 39 is meshed with a second connecting gear 40, the outer end of the second connecting gear 40 is meshed with a third connecting gear 41, and the third connecting gear 41 is meshed with an outer adjusting gear 44 on the outer clamping assembly 42.
Referring to fig. 1, 2 and 3, a bearing seat is welded and fixed on one side of the workbench 1 away from the fixed table top 12, an intermediate rotating shaft 14 is rotatably connected between the workbench 1 and the bearing seat, a sliding driving motor 16 is installed on the outer side of the bearing seat along one end of the intermediate rotating shaft 14, a threaded portion 15 is arranged on one side of the outer portion of the intermediate rotating shaft 14 away from the fixed table top 12, the threaded portion 15 is connected with the sliding table top 13 through threads, a limiting sliding groove 18 is formed in the upper end surface of the workbench 1 corresponding to the sliding table top 13, a limiting portion 17 is integrally connected to the lower end of the sliding table top 13, the limiting portion 17 slides along the limiting sliding groove 18 in a limiting manner, and the portion is arranged for clamping and fixing pipelines with different lengths; the sliding driving motor 16 drives the middle rotating shaft 14 to rotate, and due to the threaded connection relationship between the threaded portion 15 and the sliding table surface 13 on the second positioning and clamping assembly 8, the second positioning and clamping assembly 8 slides towards the first positioning and clamping assembly 7, so that two ends of the pipeline to be processed enter the rotating wheel 21 of the second positioning and clamping assembly 8 of the first positioning and clamping assembly 7. The first positioning and clamping assembly 7 and the second positioning and clamping assembly 8 both comprise a driving worm wheel 23, the two sides of the front end of the upper end of the workbench 1 are fixedly welded with first fixed seats 2, a position adjusting driving rotating shaft 4 is rotatably connected between the two first fixed seats 2 through a bearing, a first driving motor 3 is installed on one side of the outer side of the first fixed seat 2 on one side along one side of the position adjusting driving rotating shaft 4, a first worm 5 is arranged on one side of the outer part of the position adjusting driving rotating shaft 4, a second worm 6 is arranged on the other side of the outer part of the position adjusting driving rotating shaft 4, the length of the second worm 6 is greater than that of the first worm 5, the driving worm wheel 23 on the first positioning and clamping assembly 7 is meshed with the first worm 5, the driving worm wheel 23 on the second positioning and clamping assembly 8 is meshed with the second worm 6, the front end and the rear end of the inner side of the upper end of the fixed table top 12 and the sliding table top 13 are welded and fixed with second fixed seats 24, a rotating worm 25 is rotatably connected between the two second fixed seats 24 in each group through a bearing, a shaft of the rotating worm 25 penetrates through the second fixed seats 24 at the front end to be connected with a driving worm wheel 23, inclined grooves 22 are formed in the outer surface of the rotating wheel 21, the inclined grooves 22 are provided with a plurality of parts, a plurality of inclined grooves 22 are arranged at equal angles, the rotating worm 25 is meshed with the inclined grooves 22 in the rotating wheel 21, the worm wheel is meshed with the worm through obliquely arranged teeth, the worm wheel is unfolded, namely, the inclined teeth arranged on the rack can be matched with the worm, the protruding teeth are arranged into concave structures in the same way and are coiled into a circle again, namely, the rotating wheel 21 and the inclined grooves 22 of the device are meshed with each other part, and the inclined grooves 22 can reduce the dead weight of the device. When the position of a pipeline to be processed is rotated after single processing is finished, the first driving motor 3 drives the position adjusting driving rotating shaft 4 to rotate, the first worm 5 and the second worm 6 synchronously rotate, the driving worm wheel 23 synchronously rotates, the rotating worm 25 synchronously rotates along with the driving worm wheel 23, and the rotating wheel 21 drives the pipeline to be processed to rotate, so that the processing steps are completed according to the requirements, the inner adjusting worm wheel 33 and the outer adjusting worm 38 possibly rotate along the middle rotating worm 28 under the rotating action, the output rod of the turnover motor 20 adaptively rotates to keep the positioning and clamping effect on the pipeline, and the clamping and fixing effects on the two ends of the pipeline in the whole pipeline rotating process are kept; when the relative positions of the first positioning clamping assembly 7 and the second positioning clamping assembly 8 are adjusted according to the length of the pipeline, the driving worm wheel 23 on the second positioning clamping assembly 8 can rotate and move along the second worm 6 on the position adjusting driving rotating shaft 4, namely, the rotation adjustment of the pipeline to be processed does not affect the fixation of the two ends of the pipeline to be processed with different lengths.
Referring to fig. 1 and 4, the upper end of the worktable 1 is provided with driving hydraulic cylinders 9 along both sides of the front and rear ends of the middle rotating shaft 14, the output rod ends of the driving hydraulic cylinders 9 are connected with fixed blocks 11, and the upper ends of the four fixed blocks 11 are welded and fixed with a placing half pipe 10.
A method of clamping comprising the steps of:
the method comprises the following steps: an output rod of the hydraulic cylinder 9 is driven to extend, the placing half pipe 10 is driven to move upwards, and the pipeline to be processed is placed at the upper end of the placing half pipe 10;
step two: the sliding driving motor 16 drives the middle rotating shaft 14 to rotate, and due to the threaded connection relationship between the threaded portion 15 and the sliding table 13 on the second positioning and clamping assembly 8, the second positioning and clamping assembly 8 slides towards the first positioning and clamping assembly 7, so that two ends of a pipeline to be processed enter a rotating wheel 21 of the second positioning and clamping assembly 8 of the first positioning and clamping assembly 7, and meanwhile, a driving worm wheel 23 on the second positioning and clamping assembly 8 rotates and moves along the second worm 6 on the position adjusting driving rotating shaft 4;
step three: the output shaft end of the turnover motor 20 drives the middle rotating worm 28 to rotate, the inner adjusting worm wheel 33 on the inner clamping assembly 32 is driven to rotate outwards, the inner adjusting fixed leaf 34, the inner adjusting connecting block 35 and the inner adjusting convex arc-shaped part 36 synchronously rotate outwards, and the inner adjusting convex arc-shaped part 36 presses two sides of the inner part of the pipeline to be processed; the outer adjusting worm 38 on the outer clamping unit 30 is driven to rotate outwards, the first connecting gear 39 rotates outwards synchronously, the second connecting gear 40 rotates inwards, the third connecting gear 41 rotates outwards, the outer adjusting gear 44 on the outer clamping assembly 42 rotates inwards, the outer adjusting fixed page 45, the outer adjusting connecting block 46 and the outer adjusting concave fixing part 47 rotate inwards synchronously, and the outer adjusting concave fixing part 47 presses two ends of the outer part of the pipeline to be processed;
step four: the output rod of the hydraulic cylinder 9 is driven to contract, and the placing half pipe 10 is driven to move downwards;
step five: when the position of a pipeline to be processed is rotated after single processing, the first driving motor 3 drives the position adjusting driving rotating shaft 4 to rotate, the first worm 5 and the second worm 6 synchronously rotate to drive the driving worm wheel 23 on the first positioning and clamping assembly 7 and the second positioning and clamping assembly 8 to synchronously rotate, the rotating worm 25 synchronously rotates along with the driving worm wheel 23, and the rotating wheel 21 drives the pipeline to be processed to rotate due to the meshing relation of the inclined groove 22 on the rotating wheel 21 and the rotating worm 25.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a positioning and clamping device for pipeline machining, includes workstation (1), its characterized in that: one side of workstation (1) upper end rear end is provided with first location centre gripping subassembly (7), first location centre gripping subassembly (7) is including fixed mesa (12), the opposite side of workstation (1) upper end rear end is provided with second location centre gripping subassembly (8), second location centre gripping subassembly (8) are including sliding table face (13), the centre welded fastening in the fixed mesa (12) and the sliding table face (13) upper end outside has fixed pole setting (19), the inboard of fixed pole setting (19) is connected with runner (21) through rotating the sleeve pipe rotation, the lateral surface welded fastening of runner (21) has welding cross (26), the inside front and back end of runner (21) all is provided with interior centre gripping unit (29), the inside upper and lower end of runner (21) all is provided with outer centre gripping unit (30), interior centre gripping unit (29) includes third fixing base (31), every two of group rotate between third fixing base (31) and be connected with interior centre gripping subassembly (32), interior centre gripping subassembly (32) includes interior regulation worm wheel (33), the fixed regulation arc end fixed on the upper and lower end of interior regulation worm wheel (33) is connected with interior regulation leaf (34), every group two interior regulation leaf (35) of every group internal regulation leaf (34) is provided with the convex part, outer centre gripping unit (30) include fourth fixing base (43), and every group is two it is connected with outer clamp and holds subassembly (42) to rotate between fourth fixing base (43), outer clamp holds subassembly (42) including outer adjusting gear (44), both sides fixedly connected with of outer adjusting gear (44) adjusts stationary blade (45) outward, and every group is two the other end of adjusting stationary blade (45) outward is connected with outer regulation connecting block (46) jointly, another terminal surface of adjusting connecting block (46) outward is provided with outer regulation sunken fixed part (47).
2. The positioning and clamping device for machining the pipeline according to claim 1, wherein: the middle of welding cross plate (26) welded fastening has middle circular slab (27), upset motor (20) are installed in the outside of runner (21), runner (21) are inside to be installed middle rotation worm (28) along the output axle head of upset motor (20), and middle rotation worm (28) are connected with interior regulation worm wheel (33) meshing.
3. The positioning and clamping device for machining the pipeline according to claim 2, wherein: outer centre gripping unit (30) still include outer regulation worm (38), and outer regulation worm (38) are connected with middle rotation worm (28) meshing, one side of outer regulation worm (38) is through the first connecting gear (39) of axle fixedly connected with, the outer end meshing of first connecting gear (39) is connected with second connecting gear (40), the outer end meshing of second connecting gear (40) is connected with third connecting gear (41), and outer regulation gear (44) meshing on third connecting gear (41) and the outer clamping subassembly (42).
4. The positioning and clamping device for pipeline machining according to claim 3, wherein: one side welded fastening that fixed mesa (12) was kept away from in workstation (1) has the bearing frame, middle rotation between workstation (1) and the bearing frame is connected with middle axis of rotation (14), slip driving motor (16) are installed along the one end of middle axis of rotation (14) in the bearing frame outside, one side that fixed mesa (12) were kept away from to middle axis of rotation (14) outside is provided with screw thread portion (15), and screw thread portion (15) pass through threaded connection with slip mesa (13), workstation (1) up end corresponds the position with slip mesa (13) and has seted up spacing sliding tray (18), the lower extreme an organic whole of slip mesa (13) is connected with spacing portion (17), and spacing portion (17) are along spacing sliding tray (18) spacing slip.
5. The positioning and clamping device for machining the pipeline according to claim 4, wherein: first location centre gripping subassembly (7) and second location centre gripping subassembly (8) all include drive worm wheel (23), the both sides welded fastening of workstation (1) upper end front end has first fixing base (2), two be connected with position control drive pivot (4), one side through the bearing rotation between first fixing base (2) first driving motor (3) are installed along one side of position control drive pivot (4) in the outside of first fixing base (2), one side of position control drive pivot (4) outside is provided with first worm (5), the outside opposite side of position control drive pivot (4) is provided with second worm (6), and the length of second worm (6) is greater than the length of first worm (5), goes up drive worm wheel (23) and meshes with first worm (5) on first location centre gripping subassembly (7), and drive worm wheel (23) meshes with second worm (6) on second location centre gripping subassembly (8).
6. The positioning and clamping device for machining the pipeline according to claim 5, wherein: fixed table face (12) and slide table face (13) upper end inboard front and back both ends welded fastening have second fixing base (24), every group two rotate through the bearing between second fixing base (24) and be connected with rotation worm (25), rotate the axle of worm (25) and pass the front end second fixing base (24) are connected with driving worm wheel (23), chute (22) have been seted up to the surface of runner (21), and chute (22) are provided with a plurality of, and are a plurality of do angle settings such as chute (22) rotate on worm (25) and runner (21) chute (22) meshing.
7. The positioning and clamping device for pipeline machining according to claim 1, wherein: the convex surface of the inner adjusting convex arc-shaped part (36) is fixedly connected with a first non-slip mat (37), and the concave surface of the outer adjusting concave fixing part (47) is fixedly connected with a second non-slip mat (48).
8. The positioning and clamping device for machining the pipeline according to claim 6, wherein: the utility model discloses a hydraulic pressure test bench, including workstation (1), workstation (14), drive hydraulic cylinder (9) are installed along the both sides at middle axis of rotation (14) front and back both ends to the upper end, the output rod end of drive hydraulic cylinder (9) is connected with fixed block (11), four the common welded fastening in upper end of fixed block (11) is placed half pipe (10).
9. The clamping method is realized by the positioning and clamping device for processing the pipeline according to claim 8, and is characterized by comprising the following steps:
the method comprises the following steps: an output rod of the hydraulic cylinder (9) is driven to extend, the placing half pipe (10) is driven to move upwards, and the pipeline to be processed is placed at the upper end of the placing half pipe (10);
step two: the sliding driving motor (16) drives the middle rotating shaft (14) to rotate, and due to the threaded connection relationship between the threaded part (15) and the sliding table top (13) on the second positioning and clamping assembly (8), the second positioning and clamping assembly (8) slides towards the first positioning and clamping assembly (7), so that two ends of a pipeline to be processed enter a rotating wheel (21) of the second positioning and clamping assembly (8) of the first positioning and clamping assembly (7), and meanwhile, a worm wheel (23) on the second positioning and clamping assembly (8) drives a worm wheel (23) to rotate and move along a second worm (6) on the position adjusting driving rotating shaft (4);
step three: an output shaft end of the turnover motor (20) drives the middle rotating worm (28) to rotate, an inner adjusting worm wheel (33) on the inner clamping assembly (32) is driven to rotate outwards, an inner adjusting fixed page (34), an inner adjusting connecting block (35) and an inner adjusting convex arc part (36) synchronously rotate outwards, and the inner adjusting convex arc part (36) presses two sides of the interior of the pipeline to be processed; an outer adjusting worm (38) on an outer clamping unit (30) is driven to rotate outwards, a first connecting gear (39) synchronously rotates outwards, a second connecting gear (40) rotates inwards, a third connecting gear (41) rotates outwards, an outer adjusting gear (44) on an outer clamping assembly (42) rotates inwards, an outer adjusting fixed leaf (45), an outer adjusting connecting block (46) and an outer adjusting concave fixing part (47) synchronously rotate inwards, and the outer adjusting concave fixing part (47) presses two ends of the outer part of the pipeline to be processed;
step four: the output rod of the hydraulic cylinder (9) is driven to contract, and the placing half pipe (10) is driven to move downwards;
step five: when the pipeline position that waits to process is rotated in the single processing end, first driving motor (3) drive position adjustment drive pivot (4) are rotated, first worm (5) and second worm (6) synchronous rotation drive worm wheel (23) synchronous rotation on first location centre gripping subassembly (7) and second location centre gripping subassembly (8), rotate worm (25) and follow drive worm wheel (23) synchronous rotation, because chute (22) and the meshing relation who rotates worm (25) on runner (21), runner (21) drive waits to process the pipeline and rotates.
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|---|---|---|---|
| CN202210902630.2A CN115194512B (en) | 2022-07-29 | 2022-07-29 | Positioning and clamping device for pipeline machining and clamping method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210902630.2A CN115194512B (en) | 2022-07-29 | 2022-07-29 | Positioning and clamping device for pipeline machining and clamping method thereof |
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| CN115194512B CN115194512B (en) | 2023-04-28 |
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| CN115533795A (en) * | 2022-11-10 | 2022-12-30 | 南通晋弘钢结构工程有限公司 | Assembly jig is used in processing of large-scale steel construction |
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| Publication number | Publication date |
|---|---|
| CN115194512B (en) | 2023-04-28 |
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