CN112091856A

CN112091856A - Fixture for machining that adaptability is strong

Info

Publication number: CN112091856A
Application number: CN202011072634.XA
Authority: CN
Inventors: 颜育返
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-18

Abstract

The invention discloses a clamping mechanism with strong adaptability for machining, which comprises a positioning plate, supporting legs, an adjusting mechanism, a clamping mechanism and a connecting workpiece, wherein the positioning plate is fixedly arranged on the upper end surface of the adjusting mechanism through four groups of the supporting legs, and the four groups of the clamping mechanisms for clamping are uniformly and equidistantly fixedly connected to the bottom end surface of the adjusting mechanism. According to the invention, by arranging the adjusting mechanism, when clamping is carried out, the connecting motor can drive the supporting seat to rotate, so that the four groups of connecting curved rods are driven by the supporting seat to rapidly rotate, and meanwhile, the connecting curved rods can drive the positioning sliding blocks to rapidly slide on the inner end surface of the fixed sliding chute, so that the distance between the groups of positioning sliding blocks is rapidly adjusted, and the response speed and the adjusting efficiency of subsequent distance adjustment between the groups of connected workpieces are effectively improved.

Description

Fixture for machining that adaptability is strong

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a clamping mechanism with strong adaptability for machining.

Background

When the workpiece is processed or after the workpiece is processed, the workpiece which is processed or to be processed needs to be quickly clamped and lifted, so that the subsequent processing and transportation efficiency of the workpiece can be effectively improved, the subsequent production efficiency of the workpiece is further improved,

however, most of the existing clamping mechanisms for machining are of fixed structures, so that workpieces at different intervals cannot be quickly and stably regulated and clamped, the subsequent clamping and hoisting efficiency of the machined workpieces is reduced, and the clamping mechanism for machining with strong adaptability is urgently needed to solve the existing problems.

Disclosure of Invention

The present invention is directed to a clamping mechanism for machining with high adaptability, which solves the problems of the background art mentioned above.

In order to achieve the purpose, the invention provides the following technical scheme: a clamping mechanism with strong adaptability for machining, which comprises a positioning plate, supporting legs, an adjusting mechanism, a clamping mechanism and a connecting workpiece,

the upper end surface of the adjusting mechanism is fixedly provided with a positioning plate through four groups of supporting legs, the bottom end surface of the adjusting mechanism is uniformly and equidistantly fixedly connected with four groups of clamping mechanisms for clamping, and a connecting workpiece is movably clamped on the bottom end surface of each clamping mechanism,

the clamping mechanism comprises an installation seat, a connecting cylinder, a positioning chuck, a positioning sliding plate, a spring shaft, a fixed clamping plate, a positioning head, a fixed clamping sleeve, an inserting shaft and a limiting clamping shaft, wherein the inner end surface of the installation seat is fixedly connected with the connecting cylinder for transmission, the positioning chuck is fixedly connected with the top end surface of the installation seat, the inner end surface of the positioning chuck is fixedly connected with the positioning sliding plate for supporting, the inner end surface of the positioning sliding plate is fixedly connected with four groups of limiting clamping shafts at uniform intervals, the top end surface of the connecting cylinder is fixedly sleeved with the positioning head, the inner end surface of the positioning head is fixedly connected with four groups of inserting shafts for limiting at uniform intervals, the outer end surface of the inserting shaft is rotatably sleeved with the fixed clamping sleeve, the fixed clamping sleeve is fixedly connected with the fixed clamping plate through the spring shaft in an elastic manner, and the fixed clamping plate is rotatably clamped with the limiting, when carrying out the centre gripping, the spring shaft possesses flexible function, can provide sufficient spacing space for fixed cutting ferrule and the solid fixed splint that carry out the upset, and convenient follow-up connection work piece to different radiuses carries out quick spacing and centre gripping, and when carrying out the centre gripping simultaneously, the joint can be slided to the location head at the interior terminal surface of location slide to can effectively improve follow-up connection cylinder and drive the stability that the location head carries out the displacement, convenient follow-up centre gripping to the work piece.

Preferably, the adjusting mechanism comprises a positioning slide block, a connecting curved rod, a support shaft, a connecting motor, a support seat, a fixed sliding plate, a limiting shaft, a positioning chuck, a fixed sliding groove and a support sliding groove, wherein at least four groups of fixed sliding grooves for limiting are uniformly and equidistantly formed in the upper end surface of the positioning chuck, the support sliding grooves are symmetrically formed in the outer end surface of each fixed sliding groove, the top end surface of the positioning chuck is fixedly connected with the connecting motor, the support seat is fixedly connected to the bottom end surface of the connecting motor, the positioning slide block is slidably clamped in the inner end surface of each fixed sliding groove, two groups of fixed sliding plates are symmetrically and fixedly connected to the outer end surface of each positioning slide block, the limiting shafts are fixedly connected to four corners of the inner end surface of each support seat, the support shaft is fixedly connected to the inner end surface of each positioning slide block, and the connecting curved rod, when spacing, the both ends of connecting the curved bar can rotate with back shaft and spacing axle respectively and be connected to convenient follow-up supporting seat can drive the location slider through connecting the curved bar and carry out quick displacement inside fixed spout, connects the curved bar simultaneously and sets up as an organic whole, can effectively improve the supporting seat and drive the response loudness that the location slider carries out the displacement, thereby improves follow-up speed to connecting the centre gripping interval between the work piece and adjusting.

Preferably, connect the curved bar and be L shape setting, and be located connect the corner of curved bar and seted up the location fillet, the supporting seat drives the location slider through connecting the curved bar and carries out sliding connection inside fixed spout, connects the curved bar and is L shape setting, can effectively improve the rotation space when follow-up supporting seat drives the connection curved bar and rotates to can effectively increase the length of location slider at the inside displacement of fixed spout, make things convenient for the distance between the more extensive regulation multiunit location slider, improve the adaptability of follow-up centre gripping.

Preferably, the inner end face of the adjusting mechanism is provided with a positioning chuck, the upper end face of the positioning chuck is uniformly and equidistantly provided with at least four groups of fixed chutes for limiting, the outer end faces of the fixed chutes are symmetrically provided with supporting chutes, the top end face of the positioning chuck is fixedly connected with a connecting motor, the bottom end face of the connecting motor is fixedly connected with a supporting seat, the inner end face of the fixed chute is slidably clamped with a positioning slide block, the outer end face of the positioning slide block is symmetrically and fixedly connected with two groups of fixed sliding plates, the inner end face of the supporting seat is provided with a connecting tooth groove for a driving belt, the inner end face of the connecting tooth groove is meshed with a transmission gear in a rotating manner, the center of the front end face of the transmission gear is fixedly connected with a threaded rod, and the center of the front end, and the threaded hole is connected with the threaded rod in a rotating threaded manner, when the distance is adjusted, the connecting motor can drive the supporting seat to rotate in the positioning chuck, and meanwhile, the supporting seat can drive the transmission gear to rotate when rotating, and the transmission gear can drive the positioning sliding block to perform stable displacement in the fixed sliding chute through the threaded rod, so that the distance between the clamping multiple groups of connecting workpieces can be accurately and stably adjusted conveniently and subsequently.

Preferably, the clamping shaft is fixedly connected to the center of the rear end face of the supporting shaft, the clamping shaft is rotatably clamped to the inner end face of the supporting seat, the threaded rod is in threaded connection with the threaded hole in a matched mode, and the transmission gear drives the positioning sliding block to be clamped to the inner end face of the fixed sliding groove in a sliding mode through the threaded rod.

Preferably, the outer terminal surface symmetry fixedly connected with spacing snap ring of supporting seat, and be located fixed slot has been seted up to the inner terminal surface symmetry of supporting seat, the supporting seat passes through spacing snap ring and fixed slot looks adaptation and then rotates the joint at the inner terminal surface of positioning chuck, and spacing snap ring and fixed slot's setting can effectively improve the supporting seat at the inside pivoted stability of positioning chuck to follow-up driven efficiency that carries on has been improved.

Preferably, the cross sections of the supporting sliding groove and the fixed sliding plate are arranged in a T shape, the positioning sliding block is matched with the fixed sliding plate through the supporting sliding groove and then clamped on the upper end face of the positioning chuck in a sliding mode, the bottom end face of the positioning sliding block is fixedly connected with the top end face of the mounting seat, the cross sections of the supporting sliding groove and the fixed sliding plate are arranged in a T shape, the stability of displacement of the follow-up positioning sliding block on the outer end face of the positioning chuck can be effectively improved, and therefore the follow-up interval between the positioning sliding blocks can be conveniently adjusted in a stable mode.

Preferably, the fixed cutting ferrule includes the sleeve that is used for supporting, the push rod of slip joint in the sleeve inside and is used for the fixed spring of connecting sleeve and push rod, can provide sufficient spacing space for overturning between follow-up solid fixed splint and the fixed cutting ferrule to improve follow-up stability and the adaptability of carrying out spacing centre gripping to different radial connection work pieces.

Preferably, solid fixed splint are the shape setting of buckling, just gu fixed splint's the angle of buckling is the degree, the location dop carries out movable joint through solid fixed splint and then with the work piece of being connected, gu fixed splint are the shape setting of buckling, can effectively improve the adaptability of solid fixed splint when carrying out the centre gripping to different radius connection work pieces, also can reduce the radius of multiunit solid fixed splint when folding simultaneously, improve adaptability.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, by arranging the adjusting mechanism, when clamping is carried out, the connecting motor can drive the supporting seat to rotate, so that the four groups of connecting curved rods are driven by the supporting seat to rapidly rotate, and meanwhile, the connecting curved rods can drive the positioning sliding blocks to rapidly slide on the inner end surface of the fixed sliding chute, so that the distance between the groups of positioning sliding blocks is rapidly adjusted, and the response speed and the adjusting efficiency of subsequent distance adjustment between the groups of connected workpieces are effectively improved.

2. According to the invention, by arranging the adjusting mechanism, the connecting motor can drive the supporting seat to rotate when clamping is carried out, and further the transmission gear is driven to rotate through the connecting tooth groove in the supporting seat, and meanwhile, the transmission gear can drive the positioning slide block to stably displace at the inner end of the fixed sliding chute through the threaded rod when rotating, so that the accuracy and stability of adjusting the intervals of the multiple groups of positioning slide blocks can be effectively improved, and the subsequent more accurate positioning and clamping operation on the connecting workpiece is facilitated.

3. According to the clamping device, the four groups of fixing clamping plates are in a contraction and folding state when clamping is carried out through the clamping mechanism, the outer edge radius of each fixing clamping plate is far smaller than the radius of the connecting workpiece, the clamping device can effectively adapt to positioning and clamping operations of the connecting workpieces with different radii, the overall adaptability of the device is improved, meanwhile, when clamping is carried out, the connecting air cylinder can drive the four groups of fixing clamping plates to turn outwards through the positioning heads, the four groups of fixing clamping plates can turn over simultaneously and are further uniformly clamped on the inner wall of the connecting workpiece, so that the connecting workpiece is stably clamped at the bottom of the positioning chuck under the action of thrust, the stability of limiting the connecting workpiece is effectively improved, and subsequent rapid hoisting and conveying are facilitated.

Drawings

FIG. 1 is an exploded view of a body of the present invention;

FIG. 2 is an assembled view of the body of the present invention;

FIG. 3 is a front view of the body of the present invention;

3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 the 3 present 3 invention 3 taken 3 along 3 the 3 front 3 view 3 A 3- 3 A 3 of 3 the 3 body 3; 3

FIG. 5 is an enlarged view of the invention taken along line I;

FIG. 6 is an enlarged view of the invention taken along line II;

FIG. 7 is an exploded view of the adjustment mechanism of the present invention;

FIG. 8 is an assembly view of the adjustment mechanism of the present invention;

FIG. 9 is an exploded view of a second embodiment of the adjustment mechanism of the present invention;

FIG. 10 is an exploded side view of a second embodiment of an adjustment mechanism of the present invention;

FIG. 11 is an enlarged view of a portion of the invention at III;

FIG. 12 is an assembly view of a second embodiment of an adjustment mechanism of the present invention;

FIG. 13 is an exploded view of the clamping mechanism of the present invention;

fig. 14 is an assembly view of the clamping mechanism of the present invention.

In the figure: 1-positioning plate, 2-supporting foot, 3-adjusting mechanism, 4-clamping mechanism, 5-connecting workpiece, 301-positioning slide block, 302-connecting curved rod, 303-supporting shaft, 304-connecting motor, 305-supporting seat, 306-fixing sliding plate, 307-limiting shaft, 308-positioning chuck, 309-fixing sliding groove, 310-supporting sliding groove, 311-threaded rod, 312-connecting tooth groove, 313-transmission gear, 314-threaded hole, 401-mounting seat, 402-connecting cylinder, 403-positioning chuck, 404-positioning sliding plate, 405-spring shaft, 406-fixing clamping plate, 407-positioning head, 408-fixing clamping sleeve, 409-inserting shaft and 410-limiting clamping shaft.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-14, an embodiment of the present invention is shown: a clamping mechanism with strong adaptability for machining, which comprises a positioning plate 1, supporting legs 2, an adjusting mechanism 3, a clamping mechanism 4 and a connecting workpiece 5,

the upper end surface of the adjusting mechanism 3 is fixedly provided with a positioning plate 1 through four groups of supporting legs 2, the bottom end surface of the adjusting mechanism 3 is uniformly and equidistantly fixedly connected with four groups of clamping mechanisms 4 for clamping, and the bottom end surface of the clamping mechanism 4 is movably clamped with a connecting workpiece 5,

the clamping mechanism 4 comprises an installation base 401, a connecting cylinder 402, a positioning chuck 403, a positioning sliding plate 404, a spring shaft 405, a fixed clamping plate 406, a positioning head 407, a fixed clamping sleeve 408, a splicing shaft 409 and a limiting clamping shaft 410, wherein the inner end surface of the installation base 401 is fixedly connected with the connecting cylinder 402 for transmission, the positioning chuck 403 is fixedly connected with the top end surface of the installation base 401, the inner end surface of the positioning chuck 403 is fixedly connected with the positioning sliding plate 404 for support, the inner end surface of the positioning sliding plate 404 is uniformly and equidistantly fixedly connected with four groups of limiting clamping shafts 410, the top end surface of the connecting cylinder 402 is fixedly sleeved with the positioning head 407, the inner end surface of the positioning head 407 is uniformly and equidistantly fixedly connected with four groups of splicing shafts 409 for limiting, the outer end surface of the splicing shafts 409 is rotatably sleeved with the fixed clamping sleeve 408, the fixed clamping sleeve 408 is elastically and fixedly connected with the fixed clamping plate 406 through the spring shaft 405, and the, when carrying out the centre gripping, spring shaft 405 possesses flexible function, can provide sufficient spacing space for carrying out the fixed cutting ferrule 408 and the solid fixed splint 406 that overturn, convenient follow-up carry out quick spacing and centre gripping to different radial connection work piece 5, simultaneously when carrying out the centre gripping, location head 407 can slip joint at the interior terminal surface of location slide 404 to can effectively improve follow-up connection cylinder 402 and drive the stability that location head 407 carried out the displacement, make things convenient for follow-up centre gripping to the work piece.

The adjusting mechanism 3 comprises a positioning slide block 301, a connecting curved rod 302, a support shaft 303, a connecting motor 304, a support seat 305, a fixed sliding plate 306, a limit shaft 307, a positioning chuck 308, a fixed sliding groove 309 and a support sliding groove 310, wherein the upper end surface of the positioning chuck 308 is uniformly provided with at least four groups of fixed sliding grooves 309 for limiting at equal intervals, the outer end surface of the fixed sliding groove 309 is symmetrically provided with the support sliding groove 310, the top end surface of the positioning chuck 308 is fixedly connected with the connecting motor 304, the bottom end surface of the connecting motor 304 is fixedly connected with the support seat 305, the inner end surface of the fixed sliding groove 309 is slidably clamped with the positioning slide block 301, the outer end surface of the positioning slide block 301 is symmetrically and fixedly connected with two groups of fixed sliding plates 306, four corners of the inner end surface of the support seat 305 are fixedly connected with the limit shaft 307, the inner end surface of the positioning slide block 301 is fixedly connected with the, when spacing, the both ends of connecting curved bar 302 can rotate with back shaft 303 and spacing axle 307 respectively and be connected to convenient follow-up supporting seat 305 can drive location slider 301 through connecting curved bar 302 and carry out quick displacement inside fixed spout 309, connect curved bar 302 simultaneously and set up as an organic whole, can effectively improve supporting seat 305 and drive location slider 301 and carry out the response loudness of displacement, thereby improve follow-up speed of centre gripping interval regulation between to connecting work piece 5.

Connect curved bar 302 to be L shape setting, and be located the corner of connecting curved bar 302 and seted up the location fillet, supporting seat 305 drives location slider 301 through connecting curved bar 302 and carries out sliding connection in fixed spout 309 is inside, it is L shape setting to connect curved bar 302, can effectively improve the rotation space when follow-up supporting seat 305 drives connection curved bar 302 and rotates, thereby can effectively increase the length of location slider 301 at the inside displacement of fixed spout 309, make things convenient for the distance between the more limited regulation multiunit location slider 301, improve the adaptability of follow-up centre gripping.

The outer terminal surface symmetry fixedly connected with of supporting seat 305 is spacing snap ring, and is located the interior terminal surface symmetry of supporting seat 305 and has seted up fixed slot, and supporting seat 305 is through spacing snap ring and fixed slot looks adaptation and then rotate the joint at the interior terminal surface of location chuck 308, and spacing snap ring and fixed slot's setting can effectively improve supporting seat 305 at the inside pivoted stability of location chuck 308 to follow-up driven efficiency that carries on has been improved.

The cross section that supports spout 310 and fixed slide 306 all is T shape setting, and location slider 301 is through supporting spout 310 and fixed slide 306 looks adaptation and then the up end of slip joint at location chuck 308, the bottom face of location slider 301 carries out fixed connection with the top terminal surface of mount pad 401, the cross section that supports spout 310 and fixed slide 306 all is T shape setting, can effectively improve follow-up location slider 301 and carry out the stability of displacement at the outer terminal surface of location chuck 308, thereby convenient follow-up interval to between the location slider 301 carries out stable regulation.

The fixing clamping sleeve 408 comprises a sleeve for supporting, a push rod which is clamped in the sleeve in a sliding mode, and a fixing spring for connecting the sleeve and the push rod, and can provide enough limiting space between the subsequent fixing clamping plate 406 and the fixing clamping sleeve 408 for overturning, so that the stability and adaptability of limiting and clamping the connecting workpieces 5 with different radiuses subsequently are improved.

The fixed splint 406 is the shape setting of buckling, and the angle of buckling of fixed splint 406 is 120 degrees, and the location dop 403 carries out movable joint through fixed splint 406 and then with connecting workpiece 5, and fixed splint 406 is the shape setting of buckling, can effectively improve the adaptability of fixed splint 406 when connecting workpiece 5 and carrying out the centre gripping to different radiuses, also can reduce the radius of multiunit fixed splint 406 when closing simultaneously, improves adaptability.

Fig. 9 to 12 show a second embodiment of the adjusting mechanism 3 of the present invention, which is different from the first embodiment in that: the inner end face of the adjusting mechanism 3 is provided with a positioning chuck 308, the upper end face of the positioning chuck 308 is uniformly provided with at least four groups of fixing chutes 309 at equal intervals, the outer end face of the fixing chute 309 is symmetrically provided with supporting chutes 310, the top end face of the positioning chuck 308 is fixedly connected with a connecting motor 304, the bottom end face of the connecting motor 304 is fixedly connected with a supporting seat 305, the inner end face of the fixing chute 309 is connected with a positioning slide block 301 in a sliding and clamping manner, the outer end face of the positioning slide block 301 is symmetrically and fixedly connected with two groups of fixing sliding plates 306, the inner end face of the supporting seat 305 is provided with a connecting tooth groove 312 for a driving belt, the inner end face of the connecting tooth groove 312 is engaged and rotatably connected with a transmission gear 313, the center of the front end face of the transmission gear 313 is fixedly connected with a threaded rod 311, the center of the front end, fixed connection joint axle is located at the rear end face center of back shaft 303, and the joint axle rotates the joint with the interior terminal surface of supporting seat 305, threaded rod 311 and screw hole 314 looks adaptation threaded connection, when adjusting the distance, it can drive supporting seat 305 and rotate in the inside of location chuck 308 to connect motor 304, supporting seat 305 is when rotating simultaneously, can drive gear 313 and rotate, drive gear 313 can drive location slider 301 through threaded rod 311 and carry out stable displacement in the inside of fixed chute 309, thereby convenient follow-up interval to holding between the multiunit connection work piece 5 carries out accurate stable regulation.

The working principle is as follows: when in use, as shown in fig. 1 and 2, a user can position the device on an external conveying mechanism through the positioning plate 1, so as to conveniently and rapidly drive the positioning plate 1 to move subsequently, further improve the conveying efficiency of the subsequently connected workpieces 5,

when clamping a plurality of groups of connected workpieces 5, if the clamping distance of the connected workpieces 5 needs to be adjusted, as shown in fig. 4 and 7, a user can start the connecting motor 304 through an external control mechanism, the connecting motor 304 can drive the supporting seat 305 to rotate, when the supporting seat 305 rotates, the connecting curved rod 302 can be driven to rotate through the limiting shaft 307, the connecting curved rod 302 can drive the positioning slide block 301 to displace inside the fixed chute 309 through the supporting shaft 303, so as to rapidly adjust the positions of the four groups of positioning slide blocks 301, and the positioning slide block 301 can drive the clamping mechanism 4 to displace, so that a subsequent device can rapidly clamp the grouped connected workpieces 5 with different distances, and the subsequent limiting and conveying efficiency is improved,

if the user needs to accurately regulate and control the distance between the connected workpieces 5, as shown in fig. 9, 10 and 11, the user can start the connection motor 304 through the external control mechanism, the connection motor 304 can drive the supporting seat 305 to rotate, so that the supporting seat 305 can drive the transmission gear 313 to rotate through the internal connection tooth slot 312, when the transmission gear 313 rotates, the positioning slide block 301 can be driven by the threaded rod 311 to stably and accurately slide on the inner end surface of the fixed sliding chute 309, the positions among the groups of positioning slide blocks 301 are quickly and accurately regulated, and the stability of clamping and hoisting the subsequent group-connected workpieces 5 is effectively improved,

when the workpieces 5 connected in groups are hoisted and clamped, as shown in fig. 13 and 14, the external conveying mechanism can drive the positioning plate 1 to position and clamp the upper parts of the workpieces 5, the subsequent positioning is completed, the external conveying mechanism can drive the positioning plate 1 to displace towards the lower part, simultaneously, before the clamping is performed, the connecting cylinder 402 is in a contraction state, the radius of the furled outer edge of the plurality of groups of fixed clamping plates 406 is far smaller than that of the workpieces 5, the subsequent positioning and clamping are convenient, meanwhile, when the fixed clamping plates 406 displace to the inside of the workpieces 5, the connecting cylinder 402 can drive the positioning head 407 to move outwards, the positioning head 407 can drive the fixed clamping plates 406 to overturn outwards through the plug-in shafts 409, at the moment, the spring shafts 405 can freely stretch and retract, so as to provide enough limiting space for the overturning of the fixed clamping plates 406, when the fixed clamping plates are overturned to a, the connecting workpiece 5 can be pressed inwards to the outside of the positioning chuck 403 for positioning and clamping, thereby improving the stability of subsequent pressing,

meanwhile, a user can customize different positioning chucks 403 according to different workpieces, so that the adaptability of the device is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixture for machining that adaptability is strong which characterized in that: comprises a positioning plate (1), supporting legs (2), an adjusting mechanism (3), a clamping mechanism (4) and a connecting workpiece (5),

the upper end surface of the adjusting mechanism (3) is fixedly provided with a positioning plate (1) through four groups of supporting legs (2), the bottom end surface of the adjusting mechanism (3) is uniformly and equidistantly fixedly connected with four groups of clamping mechanisms (4) for clamping, and a connecting workpiece (5) is movably clamped on the bottom end surface of each clamping mechanism (4),

the clamping mechanism (4) comprises an installation base (401), a connecting cylinder (402), a positioning clamping head (403), a positioning sliding plate (404), a spring shaft (405), a fixed clamping plate (406), a positioning head (407), a fixed clamping sleeve (408), a splicing shaft (409) and a limiting clamping shaft (410), wherein the inner end face of the installation base (401) is fixedly connected with the connecting cylinder (402) for transmission, the positioning clamping head (403) is fixedly connected to the top end face of the installation base (401), the positioning sliding plate (404) for supporting is fixedly connected to the inner end face of the positioning clamping head (403), four groups of limiting clamping shafts (410) are fixedly connected to the inner end face of the positioning sliding plate (404) at uniform equal intervals, the positioning head (407) is fixedly sleeved on the top end face of the connecting cylinder (402), and four groups of splicing shafts (409) for limiting are fixedly connected to the inner end face of the positioning head (407) at uniform equal intervals, the outer end face of the plug-in shaft (409) is rotatably sleeved with a fixed clamping sleeve (408), the fixed clamping sleeve (408) is fixedly connected with a fixed clamping plate (406) through a spring shaft (405) in an elastic mode, and the fixed clamping plate (406) is matched with a limiting clamping shaft (410) in a rotating and clamping mode.

2. The clamping mechanism for machining with strong adaptability according to claim 1, characterized in that: the adjusting mechanism (3) comprises a positioning slide block (301), a connecting curved rod (302), a supporting shaft (303), a connecting motor (304), a supporting seat (305), a fixed sliding plate (306), a limiting shaft (307), a positioning chuck (308), a fixed sliding groove (309) and a supporting sliding groove (310), wherein at least four groups of fixed sliding grooves (309) used for limiting are uniformly arranged on the upper end surface of the positioning chuck (308) at equal intervals, the supporting sliding grooves (310) are symmetrically arranged on the outer end surface of the fixed sliding grooves (309), the connecting motor (304) is fixedly connected to the top end surface of the positioning chuck (308), the supporting seat (305) is fixedly connected to the bottom end surface of the connecting motor (304), the positioning slide block (301) is slidably clamped on the inner end surface of the fixed sliding groove (309), and the two groups of fixed sliding plates (306) are symmetrically and fixedly connected to the outer end surface of the positioning, the four corners of the inner end face of the supporting seat (305) are fixedly connected with limiting shafts (307), the inner end face of the positioning sliding block (301) is fixedly connected with supporting shafts (303), and the limiting shafts (307) and the outer end face of the supporting shafts (303) are rotatably clamped with connecting curved rods (302).

3. The clamping mechanism for machining with strong adaptability according to claim 2, characterized in that: connect curved bar (302) and be the setting of L shape, and be located the corner of connecting curved bar (302) has seted up the location fillet, supporting seat (305) drive location slider (301) through connecting curved bar (302) and carry out sliding connection in fixed spout (309) inside.

4. The clamping mechanism for machining with strong adaptability according to claim 1, characterized in that: the inner end face of the adjusting mechanism (3) is provided with a positioning chuck (308), the upper end face of the positioning chuck (308) is uniformly and equidistantly provided with at least four groups of fixed sliding chutes (309) used for limiting, the outer end face of each fixed sliding chute (309) is symmetrically provided with a supporting sliding chute (310), the top end face of the positioning chuck (308) is fixedly connected with a connecting motor (304), the bottom end face of the connecting motor (304) is fixedly connected with a supporting seat (305), the inner end face of each fixed sliding chute (309) is slidably clamped with a positioning sliding block (301), the outer end face of each positioning sliding block (301) is symmetrically and fixedly connected with two groups of fixed sliding plates (306), the inner end face of each supporting seat (305) is provided with a connecting tooth groove (312) used for a driving belt, and the inner end face of each connecting tooth groove (312) is meshed with a transmission, the center of the front end face of the transmission gear (313) is fixedly connected with a threaded rod (311), the center of the front end face of the positioning sliding block (301) penetrates through the inside and the outside and is provided with a threaded hole (314), and the threaded hole (314) is in rotating threaded connection with the threaded rod (311).

5. The clamping mechanism for machining with strong adaptability according to claim 4, characterized in that: the rear end face center department fixed connection joint axle of back shaft (303), just the joint axle rotates the joint with the inner end face of supporting seat (305), threaded rod (311) and screw hole (314) looks adaptation threaded connection, just drive gear (313) drive location slider (301) slip joint at the inner end face of fixed spout (309) through threaded rod (311).

6. The clamping mechanism for machining with strong adaptability according to claim 2 or 4, characterized in that: the outer end face of the supporting seat (305) is symmetrically and fixedly connected with a limiting snap ring, the inner end face of the supporting seat (305) is symmetrically provided with a fixing snap groove, and the supporting seat (305) is matched with the fixing snap groove through the limiting snap ring and then is rotatably clamped on the inner end face of the positioning chuck (308).

7. The clamping mechanism for machining with strong adaptability according to claim 2 or 4, characterized in that: the cross section of supporting spout (310) and fixed slide (306) all is the T shape setting, just location slider (301) are through supporting spout (310) and fixed slide (306) looks adaptation and then the slip joint at the up end of location chuck (308), the bottom face of location slider (301) carries out fixed connection with the top face of mount pad (401).

8. The clamping mechanism for machining with strong adaptability according to claim 1, characterized in that: the fixing clamping sleeve (408) comprises a sleeve for supporting, a push rod clamped in the sleeve in a sliding mode, and a fixing spring for connecting the sleeve and the push rod.

9. The clamping mechanism for machining with strong adaptability according to claim 8, characterized in that: the fixed clamping plate (406) is arranged in a bent shape, the bending angle of the fixed clamping plate (406) is 120 degrees, and the positioning clamping head (403) is movably clamped with the connecting workpiece (5) through the fixed clamping plate (406).