CN218534184U

CN218534184U - Machining clamp for mechanical design

Info

Publication number: CN218534184U
Application number: CN202220906197.5U
Authority: CN
Inventors: 马骏; 方振龙
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-02-28
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a machining clamp for mechanical design, which comprises a bottom plate, wherein a bearing on the bottom plate is connected with a bidirectional threaded rod, and a movable frame capable of moving left and right is arranged above the bottom plate; further comprising: the mounting bracket, nestification is in the adjustable shelf goes up the fluting, and is fixed with the curb plate on the mounting bracket to the curb plate nestification realizes limiting displacement in the fluting on the adjustable shelf, is fixed with the mounting panel on the mounting bracket simultaneously, still fix the dead lever on the mounting bracket, and the dead lever outside is provided with the loose collar to the dead lever outside waits the angle to be provided with the limiting plate of arc structure. This machining clamp for mechanical design adopts automatic clearance mechanism, can realize clearing up the piece that bonds on the two-way threaded rod to avoid leading to the device card to die because of the piece and influence normal use, through the anchor clamps with adjustable combination formula, can realize carrying out the centre gripping fixedly to the work piece of different shapes, both can guarantee the stability that the work piece is fixed, can improve the adaptability of device again.

Description

Machining clamp for mechanical design

Technical Field

The utility model relates to a mechanical design technical field specifically is a machining clamp for mechanical design.

Background

The mechanical design machining means that an existing workpiece is machined into a required shape through mechanical equipment so as to be suitable for actual use requirements, in the mechanical machining process, in order to avoid movement of the workpiece during machining, the workpiece generally needs to be clamped and fixed through a clamp, and therefore stability of the workpiece is guaranteed, the existing mechanical design machining clamp is a mechanical design machining clamp of the publication No. CN210998349U, and comprises a base, wherein a U-shaped frame 8230is fixedly installed in the middle of the top end of the base, rotary rods are inserted into the two sleeves, and limiting balls are fixedly installed at two ends of each rotary rod;

above-mentioned current processing anchor clamps still have certain defect when using, when adjusting the position of limiting plate, mainly realize the regulating action through the screw rod, and in the course of working, easily bond metal piece on the screw rod, and current device lacks clearance mechanism, thereby lead to the easy card of screw rod in the accommodation process to die the damage, and then influence the normal use of anchor clamps, and add man-hour to the work piece, the shape structure diverse of work piece, the inconvenient processing demand of adjusting in order to adapt to different work pieces of current anchor clamps, so need improve in order to satisfy the actual demand to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machining clamp for mechanical design to propose to lack among the above-mentioned background art that clearance mechanism leads to the problem of the easy dead damage of card of device and the inconvenient regulation of anchor clamps in order to adapt to the processing demand of different work pieces.

In order to achieve the above object, the utility model provides a following technical scheme: a machining clamp for mechanical design comprises a bottom plate, wherein a bidirectional threaded rod is connected to a bearing on the bottom plate, and a movable frame capable of moving left and right is arranged above the bottom plate;

further comprising:

the mounting bracket, the nestification is in the fluting on the adjustable shelf, and be fixed with the curb plate on the mounting bracket to the curb plate nestification realizes limiting displacement in the fluting on the adjustable shelf, is fixed with the mounting panel on the mounting bracket simultaneously, still fix the dead lever on the mounting bracket, and the dead lever outside is provided with the loose collar, and the dead lever outside waits the angle to be provided with the limiting plate of arc structure, and the limiting plate lower extreme is fixed with the slide bar simultaneously, the slide bar runs through the loose collar and can slide, and the slide bar nestification can slide in the plectane upper groove to the plectane is fixed on the dead lever.

Preferably, the movable frame is further provided with a sliding block, a fixed plate and a brush;

the sliding block is fixed on the lower end face of the movable frame and is nested in the groove on the bottom plate to slide;

the fixed plate is fixed on the lower end face of the movable frame, is nested in the groove on the bottom plate and can slide, and is mutually connected with the bidirectional threaded rod through threads to realize the adjusting effect;

the brush is fixed on the fixed plate, and the brush slides with the contact of two-way threaded rod, when carrying out the centre gripping spacing to the work piece, through rotating two-way threaded rod, the threaded connection effect between cooperation two-way threaded rod and the fixed plate can make fixed plate and adjustable shelf remove, the sliding action between cooperation slider and the bottom plate, can guarantee the stability that the adjustable shelf removed, and when the fixed plate removed, the effect of cooperation brush can be realized to the clearance effect of metal debris on the two-way threaded rod, thereby effectively avoid leading to two-way threaded rod and fixed plate card dead circumstances to take place because of the metal debris bonds.

Preferably, the mounting plate is further provided with a clamping plate and a torsion spring;

the clamping plates are rotationally connected to the mounting plate through columnar shafts and are symmetrically distributed around the center line of the mounting plate;

torsion spring sets up between splint and the mounting panel, and splint pass through to constitute elastic mechanism between torsion spring and the mounting panel, constitute adjustment mechanism through above-mentioned mechanism, when carrying out the centre gripping spacing to the cubic work piece, through the rotational action of splint, can adjust the angle of splint to guarantee that splint and work piece closely laminate, both can guarantee the stability of centre gripping, can adapt to the work piece of different shapes again and fix.

Preferably, the movable ring is also provided with a connecting plate and a vertical rod;

the connecting plate is fixed on the movable ring and is arranged in the fixed rod to move up and down;

the vertical rod is vertically fixed on the connecting plate, and when the movable ring is in contact stress movement with the tubular workpiece, the movable ring can synchronously drive the connecting plate and the vertical rod to move, so that a basic acting force is provided for the limiting mechanism, and the limiting effect on the tubular workpiece is realized.

Preferably, be connected with rotatable bull stick through the column hub on the montant, and the bull stick is for when angular distribution on the montant to the bull stick other end runs through the dead lever and passes through column axle rotation connection on the limiting plate, constitutes drive mechanism through above-mentioned mechanism, when the montant removes, can make the bull stick atress rotate, through the effect of bull stick, can make the limiting plate atress slide to the outside to provide basic guarantee for the position control of limiting plate, so that adapt to not unidimensional pipe fitting and fix.

Preferably, the terminal surface still is fixed with first spring under the connecting plate, and the first spring other end is fixed in the dead lever to the connecting plate constitutes elastic mechanism through between first spring and the dead lever, through the elastic action of first spring, realizes the basic guarantee that connecting plate atress removed and later stage automatic re-setting, thereby guarantees the normal operating of device.

Compared with the prior art, the beneficial effects of the utility model are that: this machining clamp for mechanical design adopts automatic clearance mechanism, can realize clearing up the piece that bonds on the two-way threaded rod to avoid leading to the device card to die because of the piece and influence normal use, through the anchor clamps with adjustable combination formula, can realize carrying out the centre gripping fixedly to the work piece of different shapes, both can guarantee the stability of work piece fixing, can improve the adaptability of device again, its concrete content is as follows:

1. the machining clamp for mechanical design is provided with the hairbrush, when a workpiece is clamped and fixed, the position of the movable frame needs to be adjusted, the fixed plate and the movable frame can move by rotating the bidirectional threaded rod and matching with the threaded connection effect between the bidirectional threaded rod and the fixed plate, so that the distance between the clamping plates is adjusted, the clamping and fixing effects are realized, the hairbrush can be synchronously moved when the fixed plate moves, the cleaning of scraps on the bidirectional threaded rod can be realized through the action of the hairbrush, and the problem that the device is clamped due to the fact that the scraps on the bidirectional threaded rod are bonded is avoided;

2. this machining clamp for mechanical design, be provided with splint, when fixing blocky work piece, rotation effect through splint, can adjust the angle of splint, guarantee that splint and work piece closely laminate, thereby guarantee fixed stability, when fixing tubular work piece, at first take off the installation bracket rotatory 180 degrees and install, distance between the rethread movable frame adjusting fixing rod, the cooperation activity ring, the effect of connecting plate and montant can make the bull stick rotate, thereby make the limiting plate remove, realize the support limiting displacement to tubular work piece inner wall, according to the above-mentioned principle, can realize fixing different work pieces, improve the adaptability of device.

Drawings

Fig. 1 is a schematic top view of the bottom plate of the present invention;

FIG. 2 is a side view of the bottom plate of the present invention;

fig. 3 is a schematic view of the front cross-sectional structure of the fixing plate of the present invention;

fig. 4 is a schematic view of the mounting plate of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure of the fixing rod according to the present invention;

fig. 6 is a schematic side view of the fixing rod of the present invention.

In the figure: 1. a base plate; 2. a bidirectional threaded rod; 3. a movable frame; 301. a slider; 302. a fixing plate; 303. a brush; 4. a mounting frame; 5. a side plate; 6. mounting a plate; 601. a splint; 602. a torsion spring; 7. a fixing rod; 8. a movable ring; 801. a connecting plate; 802. a vertical rod; 9. a rotating rod; 10. a limiting plate; 11. a slide bar; 12. a first spring; 13. a circular plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a machining clamp for mechanical design comprises a bottom plate 1, a bidirectional threaded rod 2 is connected to the bottom plate 1 through a bearing, and a movable frame 3 capable of moving left and right is arranged above the bottom plate 1;

further comprising:

mounting bracket 4, nestification is in the fluting on adjustable shelf 3, and be fixed with curb plate 5 on mounting bracket 4, and realize limiting displacement in 5 nestings of curb plate realize in the fluting on adjustable shelf 3, be fixed with mounting panel 6 on mounting bracket 4 simultaneously, still fix dead lever 7 on mounting bracket 4, and the dead lever 7 outside is provided with activity ring 8, and dead lever 7 outside equidistance is provided with the limiting plate 10 of arc structure, limiting plate 10 lower extreme is fixed with slide bar 11 simultaneously, slide bar 11 runs through activity ring 8 and can slide, and slide bar 11 nestification can slide in 13 upper groove of plectane, and plectane 13 fixes on dead lever 7.

The movable frame 3 is also provided with a slide block 301, a fixed plate 302 and a brush 303; the sliding block 301 is fixed on the lower end face of the movable frame 3, and the sliding block 301 is nested in the groove on the bottom plate 1 and can slide; the fixed plate 302 is fixed on the lower end face of the movable frame 3, the fixed plate 302 is nested in the groove on the bottom plate 1 and can slide, and the fixed plate 302 is connected with the bidirectional threaded rod 2 through threads to realize the adjusting function; a brush 303 fixed to the fixing plate 302, the brush 303 sliding in contact with the bidirectional threaded rod 2; the mounting plate 6 is also provided with a clamping plate 601 and a torsion spring 602; the clamping plates 601 are rotatably connected to the mounting plate 6 through columnar shafts, and the clamping plates 601 are symmetrically distributed around the center line of the mounting plate 6; the torsion spring 602 is disposed between the clamp plate 601 and the mounting plate 6, and the clamp plate 601 forms an elastic mechanism through the torsion spring 602 and the mounting plate 6.

When using this machine design is with processing anchor clamps, at first adjust the anchor clamps position according to work piece structure shape, when needs carry out the centre gripping to cubic work piece spacing, through the nested effect between the fluting on mounting bracket 4 and curb plate 5 and the adjustable shelf 3, can realize the installation to mounting bracket 4, and lock through the bolt, mounting panel 6 is located adjustable shelf 3 inboard side this moment, place the work piece on bottom plate 1 again, and rotate two-way threaded rod 2, through the threaded connection effect between two-way threaded rod 2 and fixed plate 302, can drive fixed plate 302 and adjustable shelf 3 and move in opposite directions, the sliding action between cooperation slider 301 and the bottom plate 1, can guarantee the stability that adjustable shelf 3 removed, and the effect of cooperation brush 303, can realize clearing up the piece on two-way threaded rod 2, avoid causing the dead circumstances of two-way threaded rod 2 and fixed plate 302 card to take place because of piece, thereby make the distance between the adjustable shelf 3 reduce, and then make the distance between the left and right sides mounting panel 6 reduce, when splint 601 and the work piece contacts with the work piece, the atress can rotate this moment realizes angle adjustment, until splint 601 and work piece realizes the fixed action with the fixed action that can realize just can be fixed, the stability of the fixed can be removed at this moment, and the fixed action of the fixed clamp plate 602, just can be recovered at this moment, just make the lower position of the fixed action of work piece recovered, just so that the timing, just can be used.

The movable ring 8 is also provided with a connecting plate 801 and a vertical rod 802; a connecting plate 801 fixed on the movable ring 8, wherein the connecting plate 801 is arranged in the fixed rod 7 and can move up and down; a vertical rod 802 vertically fixed on the connecting plate 801; the vertical rod 802 is connected with a rotatable rotating rod 9 through a columnar shaft, the rotating rods 9 are distributed on the vertical rod 802 at equal angles, and the other end of each rotating rod 9 penetrates through the fixed rod 7 and is rotatably connected to the limiting plate 10 through the columnar shaft; the lower end face of the connecting plate 801 is further fixed with a first spring 12, the other end of the first spring 12 is fixed in the fixing rod 7, and the connecting plate 801 and the fixing rod 7 form an elastic mechanism through the first spring 12.

When needs are fixed to the tubulose work piece, through dismantling rotatory 180 with mounting bracket 4 and carry out nested installation with adjustable shelf 3 again, dead lever 7 is located the inboard side of adjustable shelf 3 this moment, wear the cover with the tubulose work piece on limiting plate 10 again and adjust the distance between the adjustable shelf 3, when the pipe fitting left and right sides both ends and the contact of activity ring 8, the 8 atresss of activity ring at this moment remove, thereby drive connecting plate 801 and montant 802 and remove, and first spring 12 atress shrink this moment, the rotational action of cooperation bull stick 9, can make limiting plate 10 atress slide to the outside, thereby adjust the position of limiting plate 10, it can to realize spacing fixed until limiting plate 10 and pipe fitting inner wall contact, and when limiting plate 10 removes, drive slide bar 11 simultaneously and remove, the sliding action between cooperation slide bar 11 and the plectane 13, can guarantee that limiting plate 10 is stable linear motion, and then can adapt to fix to the pipe fitting of different sizes, improve the adaptability of device.

The working principle is as follows: as shown in fig. 1-6, when the machining fixture for mechanical design is used, firstly, the position of the fixture is adjusted according to the structural shape of a workpiece, when a block-shaped workpiece needs to be clamped and limited, the mounting frame 4 can be mounted through the nesting effect between the mounting frame 4 and the side plate 5 and the grooves in the movable frame 3, and is locked through a bolt, at this time, the mounting plate 6 is positioned on the inner side of the movable frame 3, then the workpiece is placed on the bottom plate 1, and the bidirectional threaded rod 2 is rotated, so that the fixed plate 302 and the movable frame 3 are driven to move in opposite directions until the clamping plate 601 is contacted with the workpiece, at this time, the clamping plate 601 can rotate to realize angle adjustment under the stress until the clamping plate 601 is attached to the workpiece to realize the fixing effect, and the stability of workpiece fixing is ensured; when needs are fixed to the tubulose work piece, through dismantling rotatory 180 with mounting bracket 4 and carry out nested installation locking with adjustable shelf 3 again, dead lever 7 is located the inboard side of adjustable shelf 3 this moment, wear the cover with the tubulose work piece on limiting plate 10 again and adjust the distance between the adjustable shelf 3, when the pipe fitting left and right sides both ends and the contact of activity ring 8, 8 atresss of activity ring this moment drive connecting plate 801 and montant 802 remove, the rotation effect of cooperation bull stick 9, can make limiting plate 10 atress slide to the outside, it can to realize spacing fixed until limiting plate 10 and pipe fitting inner wall contact, thereby can adapt to fix to not unidimensional pipe fitting, improve the adaptability of device, this is exactly this machining fixture's for mechanical design theory of operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A machining clamp for mechanical design comprises a bottom plate (1), wherein a bidirectional threaded rod (2) is connected to the bottom plate (1) in a bearing mode, and a movable frame (3) capable of moving left and right is arranged above the bottom plate (1);

it is characterized by also comprising:

mounting bracket (4), nestification is in the fluting is gone up in adjustable shelf (3), and is fixed with curb plate (5) on mounting bracket (4) to curb plate (5) nestification realizes limiting displacement in the fluting on adjustable shelf (3), is fixed with mounting panel (6) on mounting bracket (4) simultaneously, still fix dead lever (7) on mounting bracket (4), and dead lever (7) outside is provided with loose collar (8), and dead lever (7) outside is waiting the angle and is provided with limiting plate (10) of arc structure, and limiting plate (10) lower extreme is fixed with slide bar (11) simultaneously, slide bar (11) run through loose collar (8) and can slide, and slide bar (11) nestification can slide in plectane (13) upper groove to fix on dead lever (7).

2. The machining jig for machine design according to claim 1, characterized in that: the movable frame (3) is also provided with a slide block (301), a fixed plate (302) and a brush (303);

the sliding block (301) is fixed on the lower end face of the movable frame (3), and the sliding block (301) is nested in the groove in the bottom plate (1) and can slide;

the fixing plate (302) is fixed on the lower end face of the movable frame (3), the fixing plate (302) is nested in the groove in the bottom plate (1) and can slide, and the fixing plate (302) is connected with the bidirectional threaded rod (2) through threads to achieve an adjusting effect;

and the brush (303) is fixed on the fixing plate (302), and the brush (303) is contacted with the bidirectional threaded rod (2) to slide.

3. The machining jig for machine design according to claim 1, characterized in that: the mounting plate (6) is also provided with a clamping plate (601) and a torsion spring (602);

the clamping plates (601) are rotatably connected to the mounting plate (6) through columnar shafts, and the clamping plates (601) are symmetrically distributed around the center line of the mounting plate (6);

and the torsion spring (602) is arranged between the clamping plate (601) and the mounting plate (6), and the clamping plate (601) and the mounting plate (6) form an elastic mechanism through the torsion spring (602).

4. The machining jig for machine design according to claim 1, characterized in that: the movable ring (8) is also provided with a connecting plate (801) and a vertical rod (802);

the connecting plate (801) is fixed on the movable ring (8), and the connecting plate (801) is arranged in the fixed rod (7) and can move up and down;

and the vertical rod (802) is vertically fixed on the connecting plate (801).

5. The machining jig for machine design according to claim 4, characterized in that: the vertical rod (802) is connected with a rotatable rotating rod (9) through a cylindrical shaft, the rotating rod (9) is distributed on the vertical rod (802) at equal angles, and the other end of the rotating rod (9) penetrates through the fixing rod (7) and is connected to the limiting plate (10) through the cylindrical shaft in a rotating mode.

6. The machining jig for machine design according to claim 4, characterized in that: the lower end face of the connecting plate (801) is further fixed with a first spring (12), the other end of the first spring (12) is fixed in the fixing rod (7), and the connecting plate (801) forms an elastic mechanism through the first spring (12) and the fixing rod (7).