CN217914128U - Numerical control processing special fixture - Google Patents

Abstract

The utility model relates to a numerical control processing special fixture, which comprises a mounting bas, be equipped with the work piece in the mount pad, be equipped with clamping mechanism on the mount pad, mount pad one side is equipped with first extension board, the opposite side is equipped with the second extension board, first extension board top is equipped with the switching platform of symmetry, swing joint has the apron between the switching platform, apron one end is equipped with the locking boss of symmetry, the locking boss passes through the locking handle to be fixed on the second extension board, be equipped with the screw hole that runs through on the second extension board, threaded hole in-connection has drilling assembly, the apron top is equipped with the constant head tank, be equipped with the clamping seat in the constant head tank, clamping seat top central authorities are equipped with the support frame, the support frame top is equipped with the support frame, install hold-down mechanism on the support frame, all weld the footing board on four angles of mount pad, its advantage lies in can carrying out certain protection to the work piece, avoid the work piece to injure by mistake in the course of working, cause the damage or scrap of work piece, during drilling operation, avoid drilling skew, can satisfy the requirement of clamping and accurate location drilling simultaneously.

Description

Numerical control processing special fixture

Technical Field

The utility model relates to a numerical control processing field especially relates to a numerical control processing special fixture.

Background

At present, workpieces need to be clamped and fixed in numerical control machining, so that side drilling is carried out, the existing workpieces can be stably clamped, but certain protection is not carried out on the workpieces, the workpieces can be accidentally injured in the reprocessing process, the workpieces are damaged or scrapped, tools which can be used for drilling are not available in the drilling operation, the drilling deviation can be frequently caused, the required precision requirement cannot be met, and the requirements of clamping and accurate positioning drilling cannot be met simultaneously.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model aims to provide a numerical control processing special fixture, its advantage that has lies in can carrying out certain protection to the work piece, avoids accidentally injuring the work piece in the course of working, causes the damage of work piece or scrapps, during drilling operation, can help drilling, avoids drilling skew, can satisfy the requirement of clamping and accurate positioning drilling simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: the clamping mechanism comprises a mounting seat, a mounting groove is formed in the mounting seat, a workpiece is mounted in the mounting groove, a clamping mechanism is arranged on the mounting seat, a first supporting plate is arranged on one side of the mounting seat, a second supporting plate is arranged on the other side of the mounting seat, symmetrical switching tables are arranged at the tops of the first supporting plate, a cover plate is movably connected between the switching tables, symmetrical locking bosses are arranged at one ends of the cover plate, the locking bosses are fixed on the second supporting plate through locking handles, threaded holes penetrating through the second supporting plate are formed in the second supporting plate, drilling assemblies are connected in the threaded holes, a positioning groove is formed in the top of the cover plate, a clamping seat is arranged in the positioning groove, a supporting frame is arranged in the center of the top of the clamping seat, a supporting frame is arranged at the top of the supporting frame, a pressing mechanism is mounted on the supporting frame and penetrates through the clamping seat to clamp the workpiece, and base foot plates are welded on four corners of the mounting seat.

Through adopting above-mentioned technical scheme, the installation and the fixed of work piece can be more convenient for to the apron that can rotate, can fix apron one end on the second extension board through the locking handle, the setting of clamping seat can be followed the top and carried out the clamping to the work piece fixed, guarantees the stability of work piece drilling operation, avoids appearing the work piece shake and causes the hole skew, can be convenient for the mount pad through the footing board and fix on the machining center mesa, the holistic clamping location of being convenient for.

Further setting: the clamping mechanism comprises a positioning frame, the positioning frame is circumferentially distributed by using the axis of a workpiece, the positioning frame is fixed on the mounting seat, one end of the positioning frame is in threaded connection with a compression screw, the bottom of the compression screw compresses the workpiece, two ends of the mounting seat are in threaded connection with adjusting screws, and the adjusting screws penetrate through the mounting grooves to compress the workpiece.

Through adopting above-mentioned technical scheme, utilize compression screw and adjusting screw to carry out diversified clamping, guarantee the stability of work piece bottom, improve overall structure's intensity.

Further setting: the cover plate is provided with a positioning boss, a through hole is formed in the positioning boss, a fixing boss is arranged on one side of the positioning boss and fixed to the top of the clamping seat, and the positioning boss is connected with the fixing boss through a locking handle.

By adopting the technical scheme, the clamping seat can correspond to the positioning boss on the cover plate through the fixing boss at the top, and the flexibility of the whole structure is improved and the disassembly and the installation of operating personnel are convenient through the mutual connection of the locking handles.

Further setting: symmetrical grips are arranged at the top of the clamping seat.

By adopting the technical scheme, the symmetrical handle can be convenient for the operator to take out the clamping seat and put in, and the use convenience is improved.

Further setting: the drilling assembly comprises a positioning cylinder, one end of the positioning cylinder is in threaded connection with a threaded hole of the second support plate, and the other end of the positioning cylinder is in threaded connection with a guide cylinder.

Through adopting above-mentioned technical scheme, the setting of a location section of thick bamboo is in order to carry out accurate drilling location, and through the guide cylinder that a location section of thick bamboo one end is connected, the location drilling position that the drill bit can be accurate to guarantee the accuracy of work piece drilling, can change corresponding guide cylinder according to the size of drilling, improve holistic multiple use heart greatly.

Further setting: the pressing mechanism comprises an air cylinder, the air cylinder is fixed to the top of the supporting frame, a connecting block is fixed to the push-out end of the bottom of the air cylinder, a switching block is fixed to the bottom of the connecting block, the two ends of the switching block are connected with short arms through pin shafts, a fixing plate is arranged on one side of each short arm, the bottom ends of the short arms are movably connected with long arms, the long arms are fixed in the clamping seats through pin shafts, and the bottoms of the long arms are connected with pressing blocks through pin shafts.

Through adopting above-mentioned technical scheme, promote the switching piece through the cylinder and go up and down, the short arm at switching piece both ends can rotate thereupon to drive the long arm and carry out the motion that opens and shuts, realize opening and shutting of briquetting, guarantee the stability at work piece top, improved overall structure's precision, realize stabilizing the clamping.

To sum up, the utility model has the advantages of as follows: the overall structure can protect a workpiece to a certain degree, the workpiece is prevented from being accidentally damaged in the machining process, the workpiece is damaged or scrapped, during drilling operation, a drilling tool can be helped, deviation of drilling is avoided, and the requirements of clamping and accurate positioning drilling can be met simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a cross-sectional view of the present invention

In the figure, 1, a mounting seat; 101. mounting grooves; 2. a first support plate; 201. a transfer station; 3. a cover plate; 302. positioning a groove; 303. locking the boss; 304. positioning the boss; 4. a positioning cylinder; 401. a guide cylinder; 5. a second support plate; 6. locking the handle; 7. installing a clamping seat; 701. a grip; 702. fixing the boss; 8. a support frame; 9. a cylinder; 901. connecting blocks; 10. a transfer block; 11. a short arm; 111. a fixing plate; 12. a long arm; 121. briquetting; 13. adjusting the screw rod; 14. a positioning frame; 15. a compression screw; 16. a workpiece; 17. footing board.

Detailed Description

The foregoing and other features, aspects and utilities of the present disclosure will be apparent from the following detailed description of the embodiments when read in conjunction with the accompanying drawings. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1: a special fixture for numerical control machining is disclosed, as shown in FIGS. 1-4, comprising an installation seat 1, wherein an installation groove 101 is arranged in the installation seat 1, a workpiece 16 is arranged in the installation groove 101, a clamping mechanism is arranged on the installation seat 1, the clamping mechanism comprises a positioning frame 14, the positioning frame 14 is circumferentially distributed around the axis of the workpiece 16, the positioning frame 14 is fixed on the installation seat 1, one end of the positioning frame 14 is in threaded connection with a compression screw 15, the bottom of the compression screw 15 compresses the workpiece 16, two ends of the installation seat 1 are in threaded connection with adjusting screws 13, the adjusting screws 13 penetrate through the installation groove 101 to compress the workpiece 16, a first support plate 2 is arranged on one side of the installation seat 1, a second support plate 5 is arranged on the other side of the installation seat 1, symmetrical adapter tables 201 are arranged on the top of the first support plate 2, a cover plate 3 is movably connected between the adapter tables 201, and one end of the cover plate 3 is provided with symmetrical locking bosses 303, locking boss 303 is fixed on second extension board 5 through locking handle 6, be equipped with the screw hole that runs through on the second extension board 5, threaded hole female connection has the drilling subassembly, the drilling subassembly includes a location section of thick bamboo, 4 one end threaded connection of a location section of thick bamboo are in the threaded hole of second extension board 5, 4 other end threaded connection of a location section of thick bamboo have guide cylinder 401, the apron 3 top is equipped with constant head tank 302, be equipped with clamping seat 7 in the constant head tank 302, be equipped with location boss 304 on the apron 3, be equipped with the through-hole in the location boss 304, location boss 304 one side is equipped with fixed boss 702, fixed boss 702 is fixed at clamping seat 7 top, location boss 304 is connected with fixed boss 702 through locking handle 6, clamping seat 7 top is equipped with symmetrical handle 701, 7 top center of clamping seat is equipped with support frame 8, 8 top is equipped with support frame 8, install hold-down mechanism on the support frame 8.

As shown in fig. 4, the pressing mechanism includes a cylinder 9, the cylinder 9 is fixed at the top of the support frame 8, a push-out end at the bottom of the cylinder 9 is fixed with a connecting block 901, a switching block 10 is fixed at the bottom of the connecting block 901, two ends of the switching block 10 are connected with a short arm 11 through a pin shaft, a fixing plate 111 is arranged on one side of the short arm 11, a long arm 12 is movably connected to the bottom end of the short arm 11, the long arm 12 is fixed in the clamping seat 7 through a pin shaft, a pressing block 121 is connected to the bottom of the long arm 12 through a pin shaft, the pressing block 121 clamps the top of a workpiece 16, and four corners of the mounting seat 1 are all welded with bottom foot plates 17.

During the use, will wholly place on machining center operation platform, fix footing board 17 through the bolt spare, guarantee whole body stable, select corresponding guide cylinder 401 according to technical requirement, fix on location section of thick bamboo 4, open apron 3, place work piece 16 in mounting groove 101, fix work piece 16 bottom through compression screw 15 and adjusting screw 13, close apron 3, fix through locking handle 6, put into clamping seat 7 through constant head tank 302 on apron 3, the adjustment position, fix clamping seat 7 on apron 3 through locking handle 6, start cylinder 9, switching piece 10 descends, briquetting 121 opens along with long arm 12, switching piece 10 rises, briquetting 121 presss from both sides tightly along with long arm 12, fix work piece 16 top, thereby carry out the drilling operation of machining center.

The above description is provided for further details of the present invention with reference to specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims (6)

1. The utility model provides a numerical control processing special fixture which characterized in that: including mount pad (1), be equipped with mounting groove (101) in mount pad (1), install work piece (16) in mounting groove (101), be equipped with clamping mechanism on mount pad (1), mount pad (1) one side is equipped with first support plate (2), mount pad (1) opposite side is equipped with second extension board (5), first support plate (2) top is equipped with switching platform (201) of symmetry, swing joint has apron (3) between switching platform (201), apron (3) one end is equipped with locking boss (303) of symmetry, locking boss (303) are fixed on second extension board (5) through locking handle (6), be equipped with the screw hole that runs through on second extension board (5), threaded hole female connection has the drilling subassembly, apron (3) top is equipped with constant head tank (302), be equipped with clamping seat (7) in constant head tank (302), clamping seat (7) top central authorities are equipped with support frame (8), support frame (8) top is equipped with support frame (8), install on support frame (8) and compress tightly the mechanism and press from both sides clamping seat (7) and pass tight clamping seat (16), and all weld the welding has on mount pad (1).

2. The special clamp for numerical control machining according to claim 1, characterized in that: clamping machine constructs including locating rack (14), locating rack (14) are the circumference with work piece (16) axle center and distribute, locating rack (14) are fixed on mount pad (1), locating rack (14) one end threaded connection has compression screw (15), compression screw (15) bottom compresses tightly work piece (16), mount pad (1) both ends threaded connection has adjusting screw (13), adjusting screw (13) pass mounting groove (101) and compress tightly work piece (16).

3. The special clamp for numerical control machining according to claim 1, characterized in that: be equipped with location boss (304) on apron (3), be equipped with the through-hole in location boss (304), location boss (304) one side is equipped with fixed boss (702), fixed boss (702) are fixed at clamping seat (7) top, location boss (304) are connected with fixed boss (702) through locking handle (6).

4. The special clamp for numerical control machining according to claim 3, characterized in that: symmetrical grips (701) are arranged at the top of the clamping seat (7).

5. The special clamp for numerical control machining according to claim 1, characterized in that: the drilling assembly comprises a positioning barrel (4), one end of the positioning barrel (4) is in threaded connection with a threaded hole of the second support plate (5), and the other end of the positioning barrel (4) is in threaded connection with a guide barrel (401).

6. The special clamp for numerical control machining according to claim 1, characterized in that: the pressing mechanism comprises an air cylinder (9), the air cylinder (9) is fixed to the top of the support frame (8), a connecting block (901) is fixed to the pushing end of the bottom of the air cylinder (9), a transfer block (10) is fixed to the bottom of the connecting block (901), two ends of the transfer block (10) are connected with short arms (11) through pin shafts, a fixing plate (111) is arranged on one side of each short arm (11), a long arm (12) is movably connected to the bottom end of each short arm (11), the long arms (12) are fixed in the clamping seats (7) through pin shafts, and a pressing block (121) is connected to the bottom of each long arm (12) through pin shafts.

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