CN113245877B - Clamping device for metal processing - Google Patents
Clamping device for metal processing Download PDFInfo
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- CN113245877B CN113245877B CN202110657879.7A CN202110657879A CN113245877B CN 113245877 B CN113245877 B CN 113245877B CN 202110657879 A CN202110657879 A CN 202110657879A CN 113245877 B CN113245877 B CN 113245877B
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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
- 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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Abstract
The invention relates to the technical field of clamping tools, in particular to a clamping device for metal processing, which comprises a base, wherein two mounting plates are symmetrically arranged on the base, a polygonal outer frame is arranged on the mounting plates, a plurality of arc-shaped clamping plates are uniformly distributed in the polygonal outer frame in an annular manner, and the number of the arc-shaped clamping plates corresponds to the number of the edges of the polygonal outer frame; this structure can effectively improve metal parts's clamping strength, improves metal parts and adds stability man-hour, avoids the part to remove and influence the machining precision, and equipment can carry out the centre gripping to the part automatically simultaneously, and manpower when simplifying manual operation improves the practicality.
Description
Technical Field
The invention relates to the technical field of clamping tools, in particular to a clamping device for metal processing.
Background
As is well known, when a metal part is processed, the metal part is required to be clamped and fixed usually, so that the situation that the firmware moves when being processed to influence the processing precision, particularly, a pipe type metal part is avoided.
Disclosure of Invention
In order to solve the technical problem, the invention provides a clamping device for metal processing.
In order to achieve the purpose, the invention adopts the technical scheme that:
clamping device for metal working, comprising: the device comprises a base, wherein two mounting plates are symmetrically arranged on the base, a polygonal outer frame is arranged on the mounting plates, a plurality of arc-shaped clamping plates are uniformly distributed in the polygonal outer frame in an annular shape, and the number of the arc-shaped clamping plates corresponds to that of the edges of the polygonal outer frame;
two groups of supporting mechanisms are symmetrically and rotatably arranged on the arc-shaped clamping plate, the direction of each supporting mechanism is along the radial direction of the corresponding arc-shaped clamping plate, the outer ends of the supporting mechanisms are rotatably arranged on the inner wall of the polygonal outer frame, and the arrangement direction of the two groups of supporting mechanisms on the arc-shaped clamping plate is parallel to the axial direction of the polygonal outer frame;
the polygonal outer frame is provided with a pushing mechanism, and the pushing mechanism is used for pushing a group of supporting mechanisms on each arc-shaped clamping plate to obliquely swing;
the supporting mechanism comprises a sliding rod which is rotatably arranged on the outer wall of the arc-shaped clamping plate, the direction of the sliding rod is along the radial direction corresponding to the arc-shaped clamping plate, a sliding sleeve is slidably sleeved on the sliding rod, and the outer end of the sliding sleeve is rotatably arranged on the inner wall of the polygonal outer frame;
two groups of strip sliding openings are symmetrically communicated and arranged on the outer side wall of the sliding sleeve, a sliding shaft is arranged in each strip sliding opening in a sliding mode, and one end of each sliding shaft extends into the sliding sleeve and is rotatably arranged on the outer wall of each sliding rod;
an arc-shaped chute plate is slidably sleeved on the outer side of the sliding shaft, the outer end of the arc-shaped chute plate is fixed on the inner wall of the polygonal outer frame, and the distance between one end, close to the inner wall of the polygonal outer frame, of the arc-shaped chute plate and the outer end of the corresponding sliding sleeve is smaller than the distance between the other end of the arc-shaped chute plate and the outer end of the corresponding sliding sleeve;
the pushing mechanism is connected with the outer wall of a sliding sleeve in a group of supporting mechanisms on the arc-shaped clamping plate;
the pushing mechanism comprises arc-shaped power plates arranged on the side walls of the sliding sleeves in a group of supporting mechanisms on each arc-shaped clamping plate, the circle center positions of the arc-shaped power plates are overlapped with the positions of the rotating axes of the outer ends of the corresponding sliding sleeves, worm teeth are uniformly arranged on the outer walls of the arc-shaped power plates, worms are meshed on the worm teeth of the arc-shaped power plates, the worms are inclined, first bevel gears are arranged at the outer end parts of the worms, first fixing plates are rotatably arranged on the outer end surfaces of the first bevel gears, and the outer ends of the first fixing plates are fixed on the polygonal outer frame;
the power bevel gear ring is meshed with the first bevel gears and is rotatably provided with a fixing ring, a plurality of second fixing plates are uniformly arranged on the fixing ring, and the outer ends of the second fixing plates are fixed on the polygonal outer frame;
and the base is provided with a power mechanism which is used for providing power for the two groups of pushing mechanisms.
Furthermore, sliding grooves are symmetrically formed in the side wall of the arc-shaped power plate, an arc-shaped guide sleeve is sleeved on the arc-shaped power plate, the outer end of the arc-shaped guide sleeve is fixed to the polygonal outer frame, two sliding edges are symmetrically formed in the inner wall of the arc-shaped guide sleeve, and the sliding edges are located in the corresponding sliding grooves in a sliding mode.
Furthermore, the power mechanism comprises a motor installed on the base, a double-shaft speed reducer is arranged at the output end of the motor, rotating shafts are arranged at the output ends of the two sides of the double-shaft speed reducer, a third fixing plate is arranged on the rotating shafts in a rotating mode, the bottom of the third fixing plate is fixed on the base, a second bevel gear is arranged at the outer end of each rotating shaft, and the second bevel gear is in meshed connection with a first bevel gear in the polygonal outer frame.
Further, still include the arc layer board, the arc layer board is located two between the polygon frame, arc layer board bottom is provided with many landing legs, the bottom of landing leg is fixed on the base, evenly rotate on the inside wall of arc layer board and inlay and have many rollers.
Furthermore, a protective cover is buckled at the outer side of the power mechanism, and the bottom of the protective cover is fixed on the base.
Furthermore, a limiting block and a positioning plate are arranged on the inner wall of the polygonal outer frame, the limiting block and the positioning plate are positioned on two sides of a sliding sleeve in the other group of supporting mechanisms on one arc-shaped clamping plate, and the positioning plate and the sliding sleeve provided with the arc-shaped power plate are always in a separated state.
Compared with the prior art, the invention has the beneficial effects that: the metal component is penetrated between a plurality of arc-shaped splints in each polygonal outer frame, the pushing mechanism pushes a group of supporting mechanisms on each arc-shaped splint to incline, because the two ends of each group of supporting mechanisms are respectively rotatably connected with the corresponding arc-shaped splint and the inner wall of the polygonal outer frame, the arc-shaped splint, two groups of supporting mechanisms and the inner wall of the polygonal outer frame can form a parallelogram, when one group of supporting mechanisms inclines, the whole parallelogram inclines, the other group of supporting mechanisms synchronously inclines, the arc-shaped splint performs arc-shaped translational motion, the arc-shaped splints in each polygonal outer frame perform synchronous translational motion and approach each other, the inner walls of the arc-shaped splints contact with the outer wall of the component and perform annular clamping and fixing treatment on the component synchronously, thereby completing the clamping work on the component, the structure can effectively improve the clamping strength of the metal component and improve the stability of the metal component during processing, avoid the part to remove and influence the machining precision, equipment can carry out the centre gripping to the part automatically simultaneously and handle, manpower when simplifying manual operation improves the practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the shroud of FIG. 1;
FIG. 3 is an enlarged schematic view of the polygonal outer frame of FIG. 1;
FIG. 4 is a schematic cross-sectional oblique view of the polygonal outer frame of FIG. 3;
FIG. 5 is an enlarged view of a portion A of FIG. 3;
FIG. 6 is an enlarged view of a portion B of FIG. 4;
in the drawings, the reference numbers: 1. a base; 2. mounting a plate; 3. a polygonal outer frame; 4. an arc-shaped splint; 5. a slide bar; 6. a sliding sleeve; 7. a slide shaft; 8. an arc-shaped chute plate; 9. an arc-shaped power plate; 10. a worm; 11. a first bevel gear; 12. a first fixing plate; 13. a power bevel ring; 14. a fixing ring; 15. a second fixing plate; 16. an arc-shaped guide sleeve; 17. a motor; 18. a double-shaft reducer; 19. a rotating shaft; 20. a third fixing plate; 21. a second bevel gear; 22. an arc-shaped supporting plate; 23. a support leg; 24. a roller; 25. a shield; 26. a limiting block; 27. and (7) positioning the plate.
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 6, a clamping device for metal working of the present invention includes: the device comprises a base 1, wherein two mounting plates 2 are symmetrically arranged on the base 1, a polygonal outer frame 3 is arranged on the mounting plates 2, a plurality of arc-shaped clamping plates 4 are uniformly distributed in the polygonal outer frame 3 in an annular shape, and the number of the arc-shaped clamping plates 4 corresponds to the number of edges of the polygonal outer frame 3;
two groups of supporting mechanisms are symmetrically and rotatably arranged on the arc-shaped clamping plate 4, the direction of each supporting mechanism is along the radial direction of the corresponding arc-shaped clamping plate 4, the outer ends of the supporting mechanisms are rotatably arranged on the inner wall of the polygonal outer frame 3, and the arrangement direction of the two groups of supporting mechanisms on the arc-shaped clamping plate 4 is parallel to the axial direction of the polygonal outer frame 3;
and a pushing mechanism is arranged on the polygonal outer frame 3 and used for pushing a group of supporting mechanisms on each arc-shaped clamping plate 4 to obliquely swing.
In the embodiment, a metal part passes through the space between a plurality of arc-shaped clamping plates 4 in each polygonal outer frame 3, a pushing mechanism pushes a group of supporting mechanisms on each arc-shaped clamping plate 4 to incline, because two ends of each group of supporting mechanisms are respectively rotatably connected with the corresponding arc-shaped clamping plates 4 and the inner walls of the polygonal outer frames 3, the arc-shaped clamping plates 4, two groups of supporting mechanisms and the inner walls of the polygonal outer frames 3 can form a parallelogram, when one group of supporting mechanisms inclines, the whole parallelogram inclines, at the moment, the other group of supporting mechanisms synchronously inclines, and the arc-shaped clamping plates 4 perform arc-shaped translational motion, a plurality of arc-shaped clamping plates 4 in each polygonal outer frame 3 synchronously perform translational motion and approach to each other, the inner walls of the plurality of arc-shaped clamping plates 4 contact with the outer walls of the part and synchronously perform annular clamping and fixing treatment on the part, thereby completing the clamping work on the part, and the structure can effectively improve the clamping strength of the metal part, the stability of metal parts man-hour is improved, avoid the part to remove and influence the machining precision, equipment can carry out the centre gripping to the part automatically simultaneously, and the manpower when simplifying manual operation improves the practicality.
Preferably, the support mechanism comprises a sliding rod 5 rotatably mounted on the outer wall of the arc-shaped clamping plate 4, the direction of the sliding rod 5 is along the radial direction corresponding to the arc-shaped clamping plate 4, a sliding sleeve 6 is slidably sleeved on the sliding rod 5, and the outer end of the sliding sleeve 6 is rotatably mounted on the inner wall of the polygonal outer frame 3;
two groups of strip sliding openings are symmetrically communicated and arranged on the outer side wall of the sliding sleeve 6, a sliding shaft 7 is arranged in each strip sliding opening in a sliding mode, and one end of each sliding shaft 7 extends into the sliding sleeve 6 and is rotatably installed on the outer wall of the corresponding sliding rod 5;
an arc-shaped chute plate 8 is slidably sleeved on the outer side of the sliding shaft 7, the outer end of the arc-shaped chute plate 8 is fixed on the inner wall of the polygonal outer frame 3, and the distance between one end, close to the inner wall of the polygonal outer frame 3, of the arc-shaped chute plate 8 and the outer end of the corresponding sliding sleeve 6 is smaller than the distance between the other end of the arc-shaped chute plate 8 and the outer end of the corresponding sliding sleeve 6;
the pushing mechanism is connected with the outer wall of a sliding sleeve 6 in a group of supporting mechanisms on the arc-shaped clamping plate 4.
In this embodiment, the arc-shaped clamp plate 4, the two slide bars 5, the two sliding sleeves 6 and the inner wall of the polygonal outer frame 3 form a parallelogram, when the pushing mechanism pushes one sliding sleeve 6 to incline, the sliding sleeve 6 drives the two slide bars 5, the arc-shaped clamp plate 4 and the other sliding sleeve 6 to incline, the arc-shaped clamp plate 4 performs arc translation movement, and when the sliding sleeve 6 inclines, the sliding sleeve 6 pushes the sliding shaft 7 thereon to move, the sliding shaft 7 slides in the arc-shaped sliding groove plate 8, because the distance between one end of the arc-shaped sliding groove plate 8 close to the inner wall of the polygonal outer frame 3 and the outer end of the corresponding sliding sleeve 6 is smaller than the distance between the other end of the arc-shaped sliding groove plate 8 and the outer end of the corresponding sliding sleeve 6, the sliding shaft 7 performs synchronous sliding in the strip sliding slot on the sliding sleeve 6, the distance between the sliding shaft 7 and the outer end of the sliding sleeve 6 changes, when the arc-shaped clamp plate 4 clamps a component, the sliding shaft 7 moves away from the inner wall of the polygonal outer frame 3 and moves towards the component, the sliding shaft 7 synchronously drives the sliding rod 5 to slide outwards in the sliding sleeve 6, the sliding rod 5 pushes the arc-shaped clamping plate 4 to approach towards a component, so that the arc-shaped clamping plate 4 is pushed by the sliding rod 5 to approach towards the component when moving in an arc-shaped translational manner and approaching towards the component, auxiliary thrust is conveniently provided for the arc-shaped clamping plate 4 through the arc-shaped sliding groove plate 8, the clamping strength and stability of the arc-shaped clamping plate 4 are improved, when the arc-shaped clamping plate 4 is far away from the component, the sliding rod 5 contracts into the sliding sleeve 6, the arc-shaped clamping plate 4 moves in the arc-shaped translational manner and keeps away from the component, meanwhile, the sliding rod 5 is pulled to approach towards the sliding sleeve 6, the mechanism can conveniently provide auxiliary thrust for the arc-shaped clamping plate 4, the clamping strength and stability of a metal component are improved, meanwhile, the arc-shaped clamping plate 4 is convenient to quickly approach or keep away from the metal component, the operation efficiency of equipment is improved, when the arc-shaped clamping plate 4 is far away from the component, the distances among a plurality of arc-shaped clamping plates 4 are increased, effectively increase the space between many arc splint 4, conveniently carry out the centre gripping to the metal parts of multiple specification and handle, improve the practicality.
Preferably, the pushing mechanism comprises arc-shaped power plates 9 mounted on the side walls of the sliding sleeves 6 in a group of supporting mechanisms on each arc-shaped clamping plate 4, the circle center positions of the arc-shaped power plates 9 coincide with the positions of the rotation axes of the outer ends of the corresponding sliding sleeves 6, worm teeth are uniformly arranged on the outer walls of the arc-shaped power plates 9, worms 10 are arranged on the worm teeth of the arc-shaped power plates 9 in a meshed manner, the worms 10 are inclined and provided with first bevel gears 11 at the outer end parts thereof, first fixing plates 12 are rotatably arranged on the outer end surfaces of the first bevel gears 11, and the outer ends of the first fixing plates 12 are fixed on the polygonal outer frame 3;
the power bevel gear mechanism further comprises a power bevel gear ring 13, wherein the power bevel gear ring 13 is meshed with the plurality of first bevel gears 11, a fixing ring 14 is rotatably arranged on the power bevel gear ring 13, a plurality of second fixing plates 15 are uniformly arranged on the fixing ring 14, and the outer ends of the second fixing plates 15 are fixed on the polygonal outer frame 3;
and the base 1 is provided with a power mechanism which is used for providing power for the two groups of pushing mechanisms.
In this embodiment, power unit drives power awl ring gear 13 and rotates, power awl ring gear 13 drives a plurality of first bevel gear 11 in step and rotates, first bevel gear 11 drives worm 10 and rotates, worm 10 promotes through arc power board 9 and corresponds sliding sleeve 6 and rotates, thereby realize the arc translation of arc splint 4, this mechanism can conveniently make arc splint 4 carry out the translation of stabilizing, guarantee a plurality of arc splint 4 simultaneous movement, improve arc splint 4 simultaneously and to the clamping strength of metal component, solid fixed ring 14 and second fixed plate 15 can support power awl ring gear 13.
Preferably, sliding grooves are symmetrically formed in the side wall of the arc-shaped power plate 9, an arc-shaped guide sleeve 16 is sleeved on the arc-shaped power plate 9, the outer end of the arc-shaped guide sleeve 16 is fixed on the polygonal outer frame 3, two sliding edges are symmetrically formed in the inner wall of the arc-shaped guide sleeve 16, and the sliding edges are slidably located in the corresponding sliding grooves.
In this embodiment, when arc power board 9 moved, arc power board 9 slided in arc uide bushing 16, through setting up arc uide bushing 16, smooth arris and spout, can conveniently support and lead arc power board 9, stability and fastness when improving its motion.
Preferably, the power mechanism includes a motor 17 mounted on the base 1, a double-shaft reducer 18 is disposed at an output end of the motor 17, rotating shafts 19 are disposed at output ends of two sides of the double-shaft reducer 18, a third fixing plate 20 is rotatably disposed on the rotating shafts 19, a bottom of the third fixing plate 20 is fixed on the base 1, a second bevel gear 21 is disposed at an outer end of the rotating shafts 19, and the second bevel gear 21 is engaged with one first bevel gear 11 in the polygonal outer frame 3.
In this embodiment, motor 17 drives two pivot 19 through biax reduction gear 18 and rotates, pivot 19 drives through second bevel gear 21 and corresponds first bevel gear 11 and rotate, this first bevel gear 11 drives power taper ring 13 and rotates, power taper ring 13 drives remaining a plurality of first bevel gear 11 and rotates, thereby make a plurality of first bevel gear 11 synchronous rotation, third fixed plate 20 can support pivot 19 simultaneously, through setting up power unit, can provide power to pushing mechanism, conveniently make the mechanism synchronous motion in two polygon frames 3 simultaneously, conveniently carry out the fixed processing of synchronous centre gripping to metal part.
Preferably, the portable terminal device further comprises an arc-shaped supporting plate 22, the arc-shaped supporting plate 22 is located between the two polygonal outer frames 3, a plurality of supporting legs 23 are arranged at the bottom of the arc-shaped supporting plate 22, the bottoms of the supporting legs 23 are fixed on the base 1, and a plurality of rollers 24 are uniformly embedded on the inner side wall of the arc-shaped supporting plate 22 in a rotating manner.
In this embodiment, when the metal component is loaded, one end of the metal component passes through one polygonal outer frame 3 and is overlapped on the rollers 24 on the arc-shaped supporting plate 22 to push the metal component to move on the plurality of rollers 24 on the arc-shaped supporting plate 22, and the end of the metal component passes through the other polygonal outer frame 3 to complete the loading work of the metal component.
Preferably, a shield 25 is fastened to the outside of the power mechanism, and the bottom of the shield 25 is fixed to the base 1.
In this embodiment, the shield 25 is provided to facilitate shielding and protecting the power mechanism.
Preferably, the inner wall of the polygonal outer frame 3 is provided with a limiting block 26 and a positioning plate 27, the limiting block 26 and the positioning plate 27 are located at two sides of the sliding sleeve 6 in the other group of supporting mechanisms on one arc-shaped clamping plate 4, and the positioning plate 27 and the sliding sleeve 6 provided with the arc-shaped power plate 9 are always in a separated state.
In this embodiment, through setting up stopper 26, can conveniently carry on spacingly to the inclination of sliding sleeve 6 in another group of supporting mechanism on the arc splint 4, avoid this sliding sleeve 6 inclination too big and lead to arc power plate 9 and the separation of arc uide bushing 16, avoid installing the sliding sleeve 6 and the locating plate 27 bump of arc power plate 9 simultaneously, through setting up locating plate 27, can conveniently fix a position the vertical state of sliding sleeve 6 in another group of supporting mechanism on the arc splint 4, thereby conveniently fix a position minimum distance between a plurality of arc splint 4, avoid its turned angle too big and lead to installing sliding sleeve 6 and the worm 10 bump of arc power plate 9.
The clamping device for metal processing provided by the invention has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the clamping device can be implemented as long as the beneficial effects are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A clamping device for metal working, comprising: the clamp comprises a base (1), wherein two mounting plates (2) are symmetrically arranged on the base (1), a polygonal outer frame (3) is arranged on the mounting plates (2), a plurality of arc-shaped clamping plates (4) are uniformly distributed in the polygonal outer frame (3) in an annular shape, and the number of the arc-shaped clamping plates (4) corresponds to the number of edges of the polygonal outer frame (3);
two groups of supporting mechanisms are symmetrically and rotatably arranged on the arc-shaped clamping plate (4), the direction of each supporting mechanism corresponds to the radial direction of the arc-shaped clamping plate (4), the outer ends of the supporting mechanisms are rotatably arranged on the inner wall of the polygonal outer frame (3), and the arrangement direction of the two groups of supporting mechanisms on the arc-shaped clamping plate (4) is parallel to the axial direction of the polygonal outer frame (3);
a pushing mechanism is arranged on the polygonal outer frame (3) and used for pushing a group of supporting mechanisms on each arc-shaped clamping plate (4) to obliquely swing;
the supporting mechanism comprises a sliding rod (5) rotatably mounted on the outer wall of the arc-shaped clamping plate (4), the direction of the sliding rod (5) is along the radial direction corresponding to the arc-shaped clamping plate (4), a sliding sleeve (6) is slidably sleeved on the sliding rod (5), and the outer end of the sliding sleeve (6) is rotatably mounted on the inner wall of the polygonal outer frame (3);
two groups of strip sliding openings are symmetrically communicated and arranged on the outer side wall of the sliding sleeve (6), a sliding shaft (7) is arranged in each strip sliding opening in a sliding mode, and one end of each sliding shaft (7) extends into the sliding sleeve (6) and is rotatably installed on the outer wall of each sliding rod (5);
an arc-shaped chute plate (8) is slidably sleeved on the outer side of the sliding shaft (7), the outer end of the arc-shaped chute plate (8) is fixed on the inner wall of the polygonal outer frame (3), and the distance between one end, close to the inner wall of the polygonal outer frame (3), of the arc-shaped chute plate (8) and the outer end of the corresponding sliding sleeve (6) is smaller than the distance between the other end of the arc-shaped chute plate (8) and the outer end of the corresponding sliding sleeve (6);
the pushing mechanism is connected with the outer wall of a sliding sleeve (6) in a group of supporting mechanisms on the arc-shaped clamping plate (4);
the pushing mechanism comprises arc-shaped power plates (9) arranged on the side walls of sliding sleeves (6) in a group of supporting mechanisms on each arc-shaped clamping plate (4), the circle center positions of the arc-shaped power plates (9) are overlapped with the positions of rotating axes of the outer ends of the corresponding sliding sleeves (6), worm teeth are uniformly arranged on the outer walls of the arc-shaped power plates (9), worms (10) are arranged on the worm teeth of the arc-shaped power plates (9) in a meshed mode, the worms (10) are inclined, first bevel gears (11) are arranged at the outer end portions of the worms (10), first fixing plates (12) are rotatably arranged on the outer end faces of the first bevel gears (11), and the outer ends of the first fixing plates (12) are fixed on the polygonal outer frame (3);
the power bevel gear mechanism is characterized by further comprising a power bevel gear ring (13), wherein the power bevel gear ring (13) is in meshed connection with the plurality of first bevel gears (11), a fixing ring (14) is rotatably arranged on the power bevel gear ring (13), a plurality of second fixing plates (15) are uniformly arranged on the fixing ring (14), and the outer ends of the second fixing plates (15) are fixed on the polygonal outer frame (3);
and the base (1) is provided with a power mechanism which is used for providing power for the two groups of pushing mechanisms.
2. The clamping device for metal processing as defined in claim 1, wherein the side wall of the arc power plate (9) is symmetrically provided with sliding grooves, the arc power plate (9) is sleeved with an arc guide sleeve (16), the outer end of the arc guide sleeve (16) is fixed on the polygonal outer frame (3), the inner wall of the arc guide sleeve (16) is symmetrically provided with two sliding edges, and the sliding edges are slidably located in the corresponding sliding grooves.
3. The clamping device for metal processing as claimed in claim 2, wherein the power mechanism comprises a motor (17) mounted on the base (1), a double-shaft reducer (18) is arranged on an output end of the motor (17), rotating shafts (19) are arranged on output ends of two sides of the double-shaft reducer (18), a third fixing plate (20) is rotatably arranged on the rotating shafts (19), the bottom of the third fixing plate (20) is fixed on the base (1), a second bevel gear (21) is arranged at an outer end of each rotating shaft (19), and the second bevel gear (21) is engaged with one first bevel gear (11) in the polygonal outer frame (3).
4. The clamping device for metal processing as claimed in claim 3, further comprising an arc-shaped supporting plate (22), wherein the arc-shaped supporting plate (22) is located between the two polygonal outer frames (3), a plurality of supporting legs (23) are arranged at the bottom of the arc-shaped supporting plate (22), the bottom of each supporting leg (23) is fixed on the base (1), and a plurality of rollers (24) are uniformly embedded on the inner side wall of the arc-shaped supporting plate (22) in a rotating manner.
5. A clamping device for metal processing as defined in claim 4, characterized in that a shield (25) is fastened to the outside of the power mechanism, and the bottom of the shield (25) is fixed to the base (1).
6. The clamping device for metal processing as claimed in claim 5, characterized in that the inner wall of the polygonal outer frame (3) is provided with a limiting block (26) and a positioning plate (27), the limiting block (26) and the positioning plate (27) are positioned at two sides of a sliding sleeve (6) in the other group of supporting mechanisms on one arc-shaped clamping plate (4), and the positioning plate (27) and the sliding sleeve (6) provided with the arc-shaped power plate (9) are always in a separated state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657879.7A CN113245877B (en) | 2021-06-15 | 2021-06-15 | Clamping device for metal processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657879.7A CN113245877B (en) | 2021-06-15 | 2021-06-15 | Clamping device for metal processing |
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| CN113245877A CN113245877A (en) | 2021-08-13 |
| CN113245877B true CN113245877B (en) | 2021-10-01 |
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| CN202110657879.7A Active CN113245877B (en) | 2021-06-15 | 2021-06-15 | Clamping device for metal processing |
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| CN114147415B (en) * | 2021-12-22 | 2022-11-18 | 江苏迈信林航空科技股份有限公司 | Fixed frock of amorphous centre gripping of aircraft engine blade |
| CN114643529B (en) * | 2022-03-25 | 2022-12-27 | 深圳市森迪源气动设备制造有限公司 | Automatic turnover type multi-surface lapping equipment for part processing |
| CN115284031B (en) * | 2022-07-06 | 2023-06-20 | 哈尔滨工业大学（深圳） | Slender shaft clamping mechanism |
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| CN113245877A (en) | 2021-08-13 |
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