CN113021031B - Positioning fixture for machining and punching adaptable to pipelines with different radiuses - Google Patents
Positioning fixture for machining and punching adaptable to pipelines with different radiuses Download PDFInfo
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- CN113021031B CN113021031B CN202110265968.7A CN202110265968A CN113021031B CN 113021031 B CN113021031 B CN 113021031B CN 202110265968 A CN202110265968 A CN 202110265968A CN 113021031 B CN113021031 B CN 113021031B
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a positioning clamp for machining and punching, which can adapt to pipelines with different radiuses, relates to the technical field of pipeline machining, and solves the problems that the pipeline is fixed by generally adopting a clamping or tightening mode in the drilling and machining process of the existing pipeline, the pipeline is easy to deform, the product quality and the machining precision are influenced, and meanwhile, when the existing positioning clamp for punching is used, the adjustment is troublesome, the use is inconvenient, and the production efficiency is influenced; the left side and the right side of the top of the mounting base are both fixedly connected with a group of rotary driving pieces; the inner sides of the left side and the right side of the mounting base are rotatably connected with a group of rotary mounting bases; and a group of clamping pulling pieces are connected inside the rotary mounting seat in a sliding manner along the axis direction. The pipeline fixing device can adapt to the installation of pipelines with different diameters, changes the prior mode of fixing the pipelines only in a clamping and stretching mode, has small pipeline deformation, better protects the pipelines and ensures the processing precision of the pipelines.
Description
Technical Field
The invention relates to the technical field of pipeline machining, in particular to a positioning clamp for machining and punching, which is suitable for pipelines with different radiuses.
Background
The device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like for pipelines, generally, after the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, the fluid flows from a high-pressure part to a low-pressure part of the pipeline, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipelines are widely used, mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, holes are required to be drilled on the outer circular surface of the pipeline in the construction of the pipeline, the pipeline is generally fixed in a clamping or tightening mode during drilling, and then the drilling is carried out through a drilling machine.
For example, application No.: CN201711046569.1 this scheme discloses a boring grab for balanced axle locating hole, relates to the boring grab field, and the scheme main points are: when the pressing sliding block presses the balance shaft, the shell is matched with the V-shaped block, the drill plate and the bottom of the support to form a closed cavity, the V-shaped block is provided with a spring through hole, and the spring through hole is coaxial with the feeding direction of the drill bit. A spring is arranged in the spring through hole, one end, close to the opening of the V-shaped block, of the spring is provided with an elastic piece, the through hole can be sealed by the elastic piece, and the other end of the spring is fixedly connected to the V-shaped block; the bottom of the bracket is provided with an air vent, one surface of the pressing slide block, which presses the balance shaft, is provided with a slag guide groove, and the bottom of the slag guide groove extends to the air vent; the pipeline is connected below the air vent, the other end of the pipeline is connected with the air extractor, and the elastic piece can enter the drill hole to remove broken bits in the drill hole. This scheme can be when the drilling just finishes in the clearance drilling garrulous cut, avoids causing garrulous cutting adhesion at the drilling inner wall because of downthehole high temperature to the clearance difficulty that causes.
Based on the above, the existing pipeline is generally fixed in a clamping or stretching manner in the drilling process, so that the pipeline is easily deformed, the product quality and the processing precision are affected, and meanwhile, when the existing drilling positioning clamp is used, the adjustment is troublesome, the use is inconvenient, and the production efficiency is affected; therefore, the existing requirements are not met, and the positioning clamp for machining and punching, which can adapt to pipelines with different radiuses, is provided.
Disclosure of Invention
The invention aims to provide a positioning clamp for machining and punching, which is suitable for pipelines with different radiuses, and aims to solve the problems that the existing pipeline provided in the background technology is generally fixed in a clamping or tightening mode in the drilling machining process, so that the pipeline is easy to deform, the product quality and the machining precision are influenced, and meanwhile, when the existing positioning clamp for punching is used, the adjustment is troublesome, the use is inconvenient, and the production efficiency is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning clamp for machining and punching adaptable to pipelines with different radiuses comprises an installation base; the left side and the right side of the top of the mounting base are both fixedly connected with a group of rotary driving pieces; the inner sides of the left side and the right side of the mounting base are rotatably connected with a group of rotary mounting bases; the front end surface of the rotary mounting seat is rotatably connected with a group of diameter adjusting operation pieces; the rear end face of the rotary mounting seat is rotatably connected with a group of clamping driving operation parts; a group of diameter adjusting driving plates are rotatably connected inside the rotary mounting seat; three groups of diameter adjusting sliding seats are connected inside the rotary mounting seat in a sliding manner along the diameter direction, and are arranged in a circumferential array manner; two groups of clamping pieces are connected inside each group of the diameter adjusting sliding seats in a sliding manner; the center of the rotary mounting seat is actively connected with a group of clamping operation screw rods; and a group of clamping pulling pieces are connected inside the rotary mounting seat in a sliding manner along the axis direction.
Preferably, the rotary driving part further comprises a rotary driving worm, a group of rotary driving worms are coaxially and fixedly connected to a rotating shaft of the rotary driving part, the rotary mounting seat further comprises a rotary driven worm wheel, a group of rotary driven worm wheels are coaxially and fixedly connected to the outer side of the rotary mounting seat, and the rotary driving worm and the rotary driven worm wheels are meshed to form a worm and gear transmission mechanism.
Preferably, the diameter adjusting operation part further comprises a diameter adjusting driving worm, a group of diameter adjusting driving worms are coaxially and fixedly connected to the rear portion of the diameter adjusting operation part, the diameter adjusting driving plate further comprises a diameter adjusting driven worm wheel, a group of diameter adjusting driven worm wheels are coaxially and fixedly connected to the outer side of the diameter adjusting driving plate, and the diameter adjusting driving worm and the diameter adjusting driven worm wheels are meshed to form a worm and gear transmission mechanism.
Preferably, the diameter adjustment drive plate further comprises a diameter adjustment guide groove, three groups of diameter adjustment guide grooves are uniformly distributed on the diameter adjustment drive plate in a circumferential array mode, the diameter adjustment guide grooves are of an arc-shaped structure and are arranged obliquely, the diameter adjustment sliding seat further comprises a diameter adjustment guide block, a group of diameter adjustment guide blocks are fixedly connected to the end face of the outer side of the diameter adjustment sliding seat, the diameter adjustment guide blocks are connected in the diameter adjustment guide grooves in a sliding mode, and an end face groove cam mechanism is formed between the diameter adjustment drive plate and the diameter adjustment sliding seat.
Preferably, the clamping driving operation member further comprises a clamping driving bevel gear, the front end face of the clamping driving operation member is coaxially and fixedly connected with a group of clamping driving bevel gears, the clamping operation screw further comprises a clamping driven bevel gear, the outer end face of the clamping operation screw is coaxially and fixedly connected with a group of clamping driven bevel gears, and the clamping driving bevel gear and the clamping driven bevel gears are meshed to form a bevel gear transmission mechanism.
Preferably, the clamping operation screw rod is in threaded transmission connection with the clamping pulling piece, and the clamping operation screw rod and the clamping pulling piece jointly form a screw rod nut transmission pair.
Preferably, the clamping and pulling part further comprises clamping guide slide bars and clamping slide blocks, three groups of clamping guide slide bars are fixedly connected to the outer side circumference array of the clamping and pulling part, each group of clamping guide slide bars is connected with one group of clamping slide blocks in a sliding mode, and the clamping slide blocks are connected with the diameter adjusting slide seats in a sliding mode.
Preferably, the clamping and pulling part further comprises a clamping connecting rod, the inner side of each clamping sliding block is hinged with two groups of clamping connecting rods, the other end of each group of clamping connecting rods is hinged with one group of clamping parts, and a double-sliding-block mechanism is formed among the clamping sliding blocks, the clamping connecting rods, the clamping parts and the diameter adjusting sliding seats.
Compared with the prior art, the invention has the beneficial effects that:
when the rotary driving piece is used, the rotary mounting seat is driven to rotate by the worm gear transmission mechanism formed by meshing the rotary driving worm and the rotary driven worm gear, so that the rotary feeding is conveniently carried out in the process of punching the pipeline, the automatic feeding action of punching the cylindrical surface of the pipeline is realized, the manual operation is reduced, and the production efficiency is improved.
When the diameter adjusting device is used, the diameter adjusting operating part is rotated to drive the diameter adjusting driving plate to rotate through a worm and gear transmission mechanism formed by meshing a diameter adjusting driving worm and a diameter adjusting driven worm gear, the diameter adjusting driving plate drives the diameter adjusting sliding seat to slide along the diameter direction through an end surface groove cam mechanism formed between the diameter adjusting driving plate and the diameter adjusting sliding seat, and the installation diameter position of the diameter adjusting sliding seat is adjusted to adapt to the installation of pipelines with different diameters.
When the pipeline clamping device is used, the clamping driving operation piece is rotated, the clamping driving operation piece and the clamping driven bevel gear are meshed to jointly form a bevel gear transmission mechanism to drive the clamping operation screw rod to rotate, the clamping operation screw rod and the clamping pulling piece jointly form a screw nut transmission pair to drive the clamping pulling piece to slide left and right, the clamping pulling piece jointly forms a double-slider mechanism by the clamping sliding block, the clamping connecting rod, the clamping piece and the diameter adjusting sliding seat to drive the two groups of clamping pieces to simultaneously slide reversely, the pipeline clamping action is realized, the inner wall and the outer wall of the pipeline are clamped and fixed by the two groups of clamping pieces, the traditional mode that the pipeline is fixed only by clamping and bracing is changed, the pipeline deformation is small, the pipeline is better protected, and the machining precision of the pipeline is ensured.
The pipe clamp realizes automatic feeding of the circumferential surface, is convenient to use, can adapt to the installation of pipes with different diameters, has a large application range and good universality, is convenient to use and simple to operate, clamps and fixes the inner wall and the outer wall of the pipe through the two groups of clamping pieces, changes the mode that the pipe is fixed only through clamping and stretching in the prior art, has small deformation, better protects the pipe and ensures the processing precision of the pipe.
Drawings
FIG. 1 is a schematic side view of a shaft in use according to the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the transmission shaft of the rotary mounting base of the present invention;
FIG. 4 is a schematic side view of the transmission shaft inside the rotary mounting base according to the present invention;
FIG. 5 is a schematic side view of the clamping and pulling member drive shaft of the present invention;
FIG. 6 is a schematic view of the transmission shaft side structure of the diameter adjusting sliding seat of the present invention;
FIG. 7 is a schematic side view of the diameter adjustment sliding seat of the present invention;
FIG. 8 is a schematic side view of the clamp puller shaft of the present invention;
FIG. 9 is a schematic view of the transmission shaft side structure of the clamping member of the present invention;
in the figure: 1. installing a base; 2. a rotary drive member; 201. a rotation driving worm; 3. rotating the mounting seat; 301. rotating the driven worm gear; 4. a diameter adjustment operator; 401. a diameter adjustment drive worm; 5. a clamping drive operator; 501. clamping the driving bevel gear; 6. a diameter adjustment drive plate; 601. a diameter adjustment driven worm gear; 602. a diameter adjustment guide groove; 7. a diameter adjusting sliding seat; 701. a diameter adjustment guide block; 8. clamping the operating screw; 801. clamping the driven bevel gear; 9. clamping the pulling piece; 901. clamping the guide slide bar; 902. clamping the sliding block; 903. clamping the connecting rod; 10. and a clamping member.
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 to 9, an embodiment of the present invention: a positioning clamp for machining and punching adaptable to pipelines with different radiuses comprises a mounting base 1; the left side and the right side of the top of the mounting base 1 are both fixedly connected with a group of rotary driving pieces 2; the inner sides of the left side and the right side of the mounting base 1 are rotatably connected with a group of rotary mounting bases 3; the front end surface of the rotary mounting seat 3 is rotationally connected with a group of diameter adjusting operation pieces 4; the rear end surface of the rotary mounting seat 3 is rotationally connected with a group of clamping driving operation parts 5; a group of diameter adjusting driving plates 6 are rotatably connected inside the rotary mounting seat 3; three groups of diameter adjusting sliding seats 7 are connected inside the rotary mounting seat 3 in a sliding manner along the diameter direction, and the three groups of diameter adjusting sliding seats 7 are arranged in a circumferential array manner; two groups of clamping pieces 10 are connected inside each group of diameter adjusting sliding seats 7 in a sliding manner; the center of the rotary mounting seat 3 is actively connected with a group of clamping operation screw rods 8; a group of clamping and pulling pieces 9 are connected inside the rotary mounting seat 3 in a sliding mode along the axial direction.
Further, rotary driving part 2 is still including rotary driving worm 201, a set of rotary driving worm 201 of coaxial fixedly connected with in rotary driving part 2's the pivot, rotary mounting seat 3 is still including rotatory driven worm wheel 301, a set of rotatory driven worm wheel 301 of rotary mounting seat 3's the coaxial fixedly connected with in the outside, rotary driving worm 201 constitutes worm gear drive with rotatory driven worm wheel 301 meshing jointly, in use, rotary driving part 2 drives rotary mounting seat 3 rotatoryly through the worm gear drive that constitutes jointly by rotary driving worm 201 and rotatory driven worm wheel 301 meshing, the convenience carries out rotary feed to the pipeline in-process of punching.
Further, the diameter adjustment operation member 4 further comprises a diameter adjustment driving worm 401, a group of diameter adjustment driving worms 401 is coaxially and fixedly connected to the rear portion of the diameter adjustment operation member 4, the diameter adjustment driving plate 6 further comprises a diameter adjustment driven worm wheel 601, a group of diameter adjustment driven worm wheels 601 is coaxially and fixedly connected to the outer side of the diameter adjustment driving plate 6, the diameter adjustment driving worm 401 and the diameter adjustment driven worm wheel 601 are meshed to form a worm and gear transmission mechanism together, and in use, the diameter adjustment operation member 4 is rotated to form the worm and gear transmission mechanism to drive the diameter adjustment driving plate 6 to rotate through the meshing of the diameter adjustment driving worm 401 and the diameter adjustment driven worm wheel 601.
Further, the diameter adjustment drive board 6 further comprises a diameter adjustment guide groove 602, three groups of diameter adjustment guide grooves 602 are uniformly arranged on the diameter adjustment drive board 6 in a circumferential array arrangement, the diameter adjustment guide grooves 602 are of an arc-shaped structure which is obliquely arranged, the diameter adjustment sliding seat 7 further comprises a diameter adjustment guide block 701, a group of diameter adjustment guide blocks 701 are fixedly connected to an outer end face of the diameter adjustment sliding seat 7, the diameter adjustment guide blocks 701 are connected in the diameter adjustment guide groove 602 in a sliding mode, an end face groove cam mechanism is formed between the diameter adjustment drive board 6 and the diameter adjustment sliding seat 7 together, and when the diameter adjustment drive board 6 rotates, the diameter adjustment drive board 6 drives the diameter adjustment sliding seat 7 to slide along the diameter direction through the end face groove cam mechanism formed between the diameter adjustment drive board 6 and the diameter adjustment sliding seat 7 together, and the installation diameter position of the diameter adjustment sliding seat 7 is adjusted, so that pipelines with different diameters can be installed.
Further, the clamping driving operation member 5 further comprises a clamping driving bevel gear 501, a group of clamping driving bevel gears 501 is coaxially and fixedly connected to the front end face of the clamping driving operation member 5, the clamping operation screw 8 further comprises a clamping driven bevel gear 801, a group of clamping driven bevel gears 801 is coaxially and fixedly connected to the outer end face of the clamping operation screw 8, the clamping driving bevel gear 501 and the clamping driven bevel gear 801 are meshed to form a bevel gear transmission mechanism together, and in use, when the clamping driving operation member 5 is rotated, the clamping driving operation member 5 drives the clamping operation screw 8 to rotate through the bevel gear transmission mechanism formed by meshing of the clamping driving bevel gear 501 and the clamping driven bevel gear 801 together.
Further, the clamping operation screw rod 8 is in threaded transmission connection with the clamping pulling piece 9, the clamping operation screw rod 8 and the clamping pulling piece 9 jointly form a screw rod nut transmission pair, and when the clamping operation screw rod 8 rotates in use, the clamping operation screw rod 8 drives the clamping pulling piece 9 to slide left and right through the screw rod nut transmission pair formed by the clamping operation screw rod 8 and the clamping pulling piece 9 jointly.
Further, the clamping pulling part 9 further comprises clamping guide sliding rods 901 and clamping sliding blocks 902, three groups of clamping guide sliding rods 901 are fixedly arranged on the outer side of the clamping pulling part 9 in a circumferential array mode, each group of clamping guide sliding rods 901 is connected with one group of clamping sliding blocks 902 in a sliding mode, the clamping sliding blocks 902 are connected with the diameter adjusting sliding seats 7 in a sliding mode, and the clamping sliding blocks 902 are guided through the clamping guide sliding rods 901 in use.
Further, the clamping and pulling part 9 further comprises a clamping connecting rod 903, the inner side of the clamping sliding block 902 is hinged with two groups of clamping connecting rods 903, the other end of each group of clamping connecting rods 903 is hinged with one group of clamping parts 10, the clamping sliding block 902, the clamping connecting rods 903, the clamping parts 10 and the diameter adjusting sliding seat 7 jointly form a double-slider mechanism, when the clamping and pulling part 9 slides left and right, the clamping and pulling part 9 drives the two groups of clamping parts 10 to slide reversely at the same time through the double-slider mechanism formed by the clamping sliding block 902, the clamping connecting rods 903, the clamping parts 10 and the diameter adjusting sliding seat 7 jointly, and clamping action on the pipeline is achieved.
The working principle is as follows: when the diameter adjusting device is used, the diameter adjusting operation piece 4 is rotated, a worm and gear transmission mechanism formed by meshing the diameter adjusting driving worm 401 and the diameter adjusting driven worm gear 601 together drives the diameter adjusting driving plate 6 to rotate, the diameter adjusting driving plate 6 drives the diameter adjusting sliding seat 7 to slide along the diameter direction through an end surface groove cam mechanism formed by meshing the diameter adjusting driving plate 6 and the diameter adjusting sliding seat 7 together, and the installation diameter position of the diameter adjusting sliding seat 7 is adjusted to adapt to the installation of pipelines with different diameters; the pipeline clamping device comprises a rotary clamping driving operation part 5, wherein the clamping driving operation part 5 is meshed with a clamping driven bevel gear 801 to form a bevel gear transmission mechanism together through a clamping driving bevel gear 501 and drive a clamping operation screw rod 8 to rotate, the clamping operation screw rod 8 and a clamping pulling part 9 form a screw nut transmission pair together through the clamping operation screw rod 8 and the clamping pulling part 9 to drive the clamping pulling part 9 to slide left and right, the clamping pulling part 9 drives two groups of clamping parts 10 to simultaneously and reversely slide through a double-slider mechanism formed by a clamping sliding block 902, a clamping connecting rod 903, the clamping parts 10 and a diameter adjusting sliding seat 7, clamping action on a pipeline is realized, the inner wall and the outer wall of the pipeline are clamped and fixed through the two groups of clamping parts 10, the mode that the pipeline is fixed only through a clamping and supporting mode in the prior art is changed, the deformation of the pipeline is small, the pipeline is better protected, and the machining precision of the pipeline is ensured; the rotary driving element 2 drives the rotary mounting seat 3 to rotate through a worm gear transmission mechanism which is formed by meshing the rotary driving worm 201 and the rotary driven worm wheel 301, and the rotary driving element is convenient to rotate and feed in the process of punching the pipeline.
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 (5)
1. The utility model provides a processing of adaptable different radial pipelines punches and uses positioning fixture which characterized in that: comprises a mounting base (1); the left side and the right side of the top of the mounting base (1) are fixedly connected with a group of rotary driving pieces (2); the inner sides of the left side and the right side of the mounting base (1) are rotatably connected with a group of rotary mounting seats (3); the front end surface of the rotary mounting seat (3) is rotatably connected with a group of diameter adjusting operation pieces (4); the rear end face of the rotary mounting seat (3) is rotatably connected with a group of clamping driving operation pieces (5); a group of diameter adjusting driving plates (6) are rotatably connected inside the rotary mounting seat (3); three groups of diameter adjusting sliding seats (7) are connected inside the rotary mounting seat (3) in a sliding manner along the diameter direction, and the three groups of diameter adjusting sliding seats (7) are arranged in a circumferential array manner; two groups of clamping pieces (10) are connected inside each group of the diameter adjusting sliding seats (7) in a sliding manner; the center of the rotary mounting seat (3) is connected with a group of clamping operation screw rods (8); a group of clamping and pulling pieces (9) are connected in the rotary mounting seat (3) in a sliding manner along the axis direction;
the diameter adjusting drive plate (6) further comprises diameter adjusting guide grooves (602), three groups of diameter adjusting guide grooves (602) are uniformly distributed on the diameter adjusting drive plate (6) in a circumferential array manner, the diameter adjusting guide grooves (602) are of an arc-shaped structure which is obliquely arranged, the diameter adjusting sliding seat (7) further comprises a diameter adjusting guide block (701), a group of diameter adjusting guide blocks (701) are fixedly connected to the outer side end face of the diameter adjusting sliding seat (7), the diameter adjusting guide blocks (701) are connected in the diameter adjusting guide grooves (602) in a sliding manner, and an end face groove cam mechanism is formed between the diameter adjusting drive plate (6) and the diameter adjusting sliding seat (7);
the clamping pulling piece (9) further comprises clamping guide sliding rods (901) and clamping sliding blocks (902), three groups of clamping guide sliding rods (901) are fixedly connected to the outer side of the clamping pulling piece (9) in a circumferential array mode, each group of clamping guide sliding rods (901) is connected with one group of clamping sliding blocks (902) in a sliding mode, and each clamping sliding block (902) is connected with the diameter adjusting sliding seat (7) in a sliding mode;
the clamping pulling piece (9) further comprises a clamping connecting rod (903), the inner side of the clamping sliding block (902) is hinged with two groups of clamping connecting rods (903), the other end of each group of clamping connecting rods (903) is hinged with a group of clamping pieces (10), and a double-sliding-block mechanism is formed among the clamping sliding block (902), the clamping connecting rods (903), the clamping pieces (10) and the diameter adjusting sliding seat (7).
2. The positioning clamp for machining and punching holes, which can adapt to pipelines with different radiuses, of claim 1, is characterized in that: rotatory driving piece (2) are still including rotatory drive worm (201), a set of rotatory drive worm (201) of coaxial fixedly connected with in the pivot of rotatory driving piece (2), rotatory mount pad (3) are still including rotatory driven worm wheel (301), the coaxial fixedly connected with in the outside of rotatory mount pad (3) a set of rotatory driven worm wheel (301), rotatory drive worm (201) constitute worm gear drive mechanism jointly with rotatory driven worm wheel (301) meshing.
3. The positioning clamp for machining and punching holes, which can adapt to pipelines with different radiuses, of claim 1, is characterized in that: the diameter adjustment operation part (4) further comprises a diameter adjustment driving worm (401), a group of diameter adjustment driving worms (401) is coaxially and fixedly connected to the rear portion of the diameter adjustment operation part (4), the diameter adjustment driving plate (6) further comprises a diameter adjustment driven worm wheel (601), a group of diameter adjustment driven worm wheels (601) is coaxially and fixedly connected to the outer side of the diameter adjustment driving plate (6), and the diameter adjustment driving worm (401) and the diameter adjustment driven worm wheel (601) are meshed to form a worm and gear transmission mechanism.
4. The positioning clamp for machining and punching holes, which can adapt to pipelines with different radiuses, of claim 1, is characterized in that: the clamping driving operation part (5) further comprises a clamping driving bevel gear (501), a group of clamping driving bevel gears (501) is fixedly connected with the front end face of the clamping driving operation part (5) in a coaxial mode, the clamping operation screw rod (8) further comprises a clamping driven bevel gear (801), a group of clamping driven bevel gears (801) is fixedly connected with the outer end face of the clamping operation screw rod (8) in a coaxial mode, and the clamping driving bevel gears (501) and the clamping driven bevel gears (801) are meshed to form a bevel gear transmission mechanism.
5. The positioning clamp for machining and punching holes, which can adapt to pipelines with different radiuses, of claim 1, is characterized in that: the clamping operation screw rod (8) is in threaded transmission connection with the clamping pulling piece (9), and the clamping operation screw rod (8) and the clamping pulling piece (9) jointly form a screw rod nut transmission pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110265968.7A CN113021031B (en) | 2021-03-11 | 2021-03-11 | Positioning fixture for machining and punching adaptable to pipelines with different radiuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110265968.7A CN113021031B (en) | 2021-03-11 | 2021-03-11 | Positioning fixture for machining and punching adaptable to pipelines with different radiuses |
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| Publication Number | Publication Date |
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| CN113021031A CN113021031A (en) | 2021-06-25 |
| CN113021031B true CN113021031B (en) | 2023-01-10 |
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| CN114178692A (en) * | 2021-12-27 | 2022-03-15 | 中国重汽集团济南动力有限公司 | Laser welding method for planet carrier formed by single-side welding and double-side forming |
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| FI127184B (en) * | 2015-06-23 | 2017-12-29 | Exact Tools Oy | Device for manipulating tubular and round pieces |
| CN205765819U (en) * | 2015-11-26 | 2016-12-07 | 中国人民解放军军械工程学院 | Three-pawl type spanner clamping device |
| CN210024923U (en) * | 2019-06-20 | 2020-02-07 | 西安工业大学 | Mechanical automation pipe fitting is polished and is used clamping mechanism |
| CN110253201A (en) * | 2019-07-08 | 2019-09-20 | 十堰皓凡工贸有限公司 | A kind of Die Lenkradnabeals Pralltopf ausgebildet automatic circular welding machine |
| CN111716124A (en) * | 2020-06-17 | 2020-09-29 | 高彦科 | Machining is with shape pipe fitting fixing device that preapres for an unfavorable turn of events |
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