CN205271456U - Adjustable rigidity antivibration auxiliary base pad - Google Patents

Abstract

(B, ) the utility model relates to an adjustable rigidity antivibration auxiliary base pad. The auxiliary base pad includes the body, is used for to inhale the stopper that shakes with adjustment piece, the elasticity of body cooperation installation. Seted up the mounting hole on the body, the adjustment piece can fixed mounting in the mounting hole, the counter bore has been seted up to the bottom of adjustment piece, the embedded installation in the counter bore of stopper of shaking is inhaled to elasticity, the bottom of the outstanding adjustment piece in bottom surface of the stopper that shakes is inhaled to elasticity, passes through when the work piece auxiliary base pad fixed mounting is on anchor clamps benchmark seat the time, and body fixed mounting is in the work piece bottom, and body and adjustment piece pass through fastener fixed mounting on anchor clamps benchmark seat, and elasticity is inhaled the stopper bottom surface that shakes and on the upper surface at anchor clamps benchmark seat, is had the clearance between body and the anchor clamps benchmark seat. The utility model discloses in the time of can making the processing work piece, difficult because of the cutting causes the sword that shakes, work piece follow anchor clamps benchmark seat is lifted off, and is also indeformable, has improved machining precision and worker's roughness, can accelerate chasing speed and feed, productivity gain simultaneously. (B, )

Description

The auxiliary reference pads of a kind of adjustable rigidity vibrationproof

Technical field

The utility model belongs to machinery metal cutting process field, is specifically related to a kind of auxiliary reference pads.

Background technology

At present, CNC machine adds in half essence of large-scale workpiece tall and thin for some, that wall is thin oblique lathe bed as shown in Figure 1, in finishing workpiece, due to workpiece design basis often bottom surface take sub-face or strip and block facet, reference plane and the fixture datum contact area of workpiece are little, therefore often occur that the centre in workpiece and fixture supports face and two ends are formed unsettled. When machining, Workpiece vibration can be caused, cutting tool be shaken cutter again and again, it is easy to affect working accuracy and the roughness of workpiece.

In the prior art, during for the work pieces process of above-mentioned feature, in order to reduce vibration, the mode usually adopted adds multiple spring fore-set to carry out holding workpieces, or install multiple screw block and carry out holding workpieces. Facts have proved, effect is unsatisfactory. Spring fore-set because of the little anti-effect of shaking to large-scale workpiece of point of contact not obvious, and screw block easily caused location, caused interference, made the easy distortion of the working accuracy of workpiece, but also easily caused the local deformaton of workpiece.

At present, in order to anti-vibration, some operator can reduce cutting speed and feed and depth of cut greatly, and this causes again the processing of workpiece time-consuming, affects working (machining) efficiency.

Practical novel content

For the defect of prior art, the technical problems to be solved in the utility model be to provide a kind of can vibrationproof, the anti-auxiliary reference pads shaken.

In order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: the auxiliary reference pads of a kind of adjustable rigidity vibrationproof, is fixedly mounted on fixture reference seat for auxiliary work-piece. described auxiliary reference pads comprises the body for being fixedly mounted on workpiece, the adjustment part installed for coordinating with body, elasticity absorbing plug and the fastening piece for body is fixedly mounted in fixture reference seat together with adjustment part, described body has offered open holes, described adjustment part can be fixedly mounted in open holes, heavy hole has been offered in the bottom of described adjustment part, described elasticity absorbing plug installation by adhering is in heavy hole, the bottom of the outstanding adjustment part in the bottom surface of described elasticity absorbing plug, when workpiece is fixedly mounted in fixture reference seat by described auxiliary reference pads, described body is fixedly mounted on bottom workpiece, described body and adjustment part are fixedly mounted in fixture reference seat by fastening piece, described elasticity absorbing plug bottom surface is against on the upper surface of fixture reference seat, between described body and fixture reference seat, there is gap.

Concrete, described open holes is screw thread through hole, described adjustment part is threaded with open holes, and described adjustment part can adjust position up and down in open holes, and the bottom surface of described elasticity absorbing plug and the distance of body lower surface can be regulated by the upper-lower position of adjustment part in open holes.

Preferably, described adjustment part has been offered distortion groove, described auxiliary benchmark pays somebody's debt and expect repayment later the locking screw comprised for being locked in open holes by adjustment part, the top of described locking screw self-regulated one integral piece is worn and is passed distortion groove and be tightened on adjustment part, and the distortion of described distortion groove makes adjustment part be locked on body.

Concrete, described fastening piece is interior hexagon bolt, and described interior hexagon bolt is worn from fixture reference seat bottom and passed elasticity absorbing plug and be screwed on adjustment part.

Preferably, described elasticity absorbing plug is oil resistant industrial rubber block or polyurethane block.

The upper inferior noun of locality involved above is that the orientation when the installation fixation workpiece of described auxiliary reference pads is done to define.

Scope of the present utility model, the technical scheme being not limited to the particular combination of above-mentioned technology feature and become, also should contain other technical scheme being carried out arbitrary combination by above-mentioned technology feature or its equivalent feature and being formed simultaneously. Such as, disclosed in above-mentioned feature and the application, (but being not limited to) has the technical scheme etc. that the technology feature of similar functions is replaced mutually and formed.

Owing to technique scheme is used, the utility model compared with prior art has following advantage: the adjustment part arranged in auxiliary reference pads and elasticity absorbing plug, the deadweight of workpiece makes the elasticity of elasticity absorbing plug be out of shape, make up the height error of the reference plane of workpiece lower surface and fixture reference seat, reach and neither make workpiece deformation, the effect of the rigidity turn increased after trade union college in fixture reference seat, it is achieved the function of holding workpieces and auxiliary benchmark. On the reference plane clamped in original reference pads like this, many several auxiliary datum planes, therefore during processing work, not easily cause, because cutting, the cutter that shakes, workpiece unloads fixture reference seat, is not also out of shape, it is to increase the surfaceness of working accuracy and work, cutting speed and feed can be accelerated, it is to increase productivity simultaneously.

Accompanying drawing explanation

Fig. 1 is the perspective view of the workpiece with the thin feature of elongated wall;

Fig. 2 is that workpiece is fixed on working state schematic representation in fixture reference seat by benchmark backing plate;

Fig. 3 is the working state schematic representation of the auxiliary reference pads of a kind of adjustable rigidity vibrationproof of the utility model;

Fig. 4 is the sectional view at A-A place in Fig. 2;

Fig. 5 is the partial enlargement figure at B place in Fig. 3.

Wherein: 1, body; 2, adjustment part; 3, elasticity absorbing plug; 4, fastening piece; 5, locking screw; 6, it is out of shape groove: 10, auxiliary reference pads; 11, open holes; 20, benchmark backing plate; 100, workpiece; 200, fixture reference seat.

Embodiment

As shown in Figures 3 to 5, the auxiliary reference pads 10 of a kind of adjustable rigidity vibrationproof described in the utility model, is fixedly mounted on fixture reference seat 200 for auxiliary work-piece 100. Described auxiliary reference pads 10 comprises the body 1 for being fixedly mounted on workpiece 100, for coordinating the adjustment part 2 installed, elasticity absorbing plug 3 with body 1, for the fastening piece 4 that is fixedly mounted in fixture reference seat 200 together with adjustment part 2 by body 1 and be used for the locking screw 5 being locked in open holes 11 by adjustment part 2. In the present embodiment, described elasticity absorbing plug 3 is made up of oil resistant industrial rubber or urethane.

Having offered open holes 11 on described body 1, described open holes 11 is screw thread through hole, and described adjustment part 2 is threaded with open holes 11. Described adjustment part 2 is fixedly mounted in open holes 11. Described adjustment part 2 can according to design requirements upper and lower turn adjustment position in open holes 11. Heavy hole has been offered in the bottom of described adjustment part 2, and described elasticity absorbing plug 3 installation by adhering is in heavy hole, and the bottom of adjustment part 2 is given prominence in the bottom surface of described elasticity absorbing plug 3. The bottom surface of described elasticity absorbing plug 3 and the distance of body 1 lower surface can be regulated by the upper-lower position of adjustment part 2 in open holes 11.

Also having offered distortion groove 6 on described adjustment part 2, the top of described locking screw 5 self-regulated one integral piece 2 is worn and is passed distortion groove 6 and be tightened on adjustment part 2, and described distortion groove 6 makes adjustment part 2 be locked on body 1 by the distortion of power elasticity.

When workpiece 100 is fixedly mounted in fixture reference seat 200 by described auxiliary reference pads 10, determine that elasticity absorbing plug 3 needs the distance of outstanding body 1 lower surface, adjustment adjustment part 2 is in the position of open holes 11, and then the top of described locking screw 5 self-regulated one integral piece 2 is worn and is locked on body 1 by adjustment part 2 adjustment part 2 can not be loosened in the open holes 11 of body 1. Described body 1 is mounted by means of bolts on bottom workpiece 100, and described body 1 and adjustment part 2 are fixedly mounted in fixture reference seat 200 by fastening piece 4. Described fastening piece 4 is interior hexagon bolt, and described interior hexagon bolt is worn from fixture reference seat 200 bottom and passed elasticity absorbing plug 3 and be screwed on adjustment part 2. Described elasticity absorbing plug 3 bottom surface is against on the upper surface of fixture reference seat 200, has gap between described body 1 and fixture reference seat 200.

As shown in Figure 2, workpiece 100 is fixed in fixture reference seat 200 by means of only the benchmark backing plate 20 of rigidity. The lower surface of workpiece 100 is workpiece reference plane, and the upper surface of fixture reference seat 200 is fixture reference seat reference plane, the distance that the height h of described benchmark backing plate 20 is between workpiece reference plane to fixture reference seat reference plane. As shown in Figure 3, the difference DELTA=H-h of the height h of height H between elasticity absorbing plug 3 bottom surface of the auxiliary reference pads 10 of design and workpiece reference plane and reference pads. The concrete numerical value of �� determines according to parameters such as the moduluss of elasticity of workpiece 100 weight and elasticity absorbing plug 3, it is possible to adjust detection to determine by examination. Ensure that the difference DELTA determined makes auxiliary reference pads 10 neither cause and crossing of workpiece 100 located, avoid the machining to workpiece 100 to cause interference, avoid jack-up workpiece 100 simultaneously. Elasticity absorbing plug 3 is firmly adsorbed on fixture reference seat reference plane through elastic deformation energy. Auxiliary like this reference pads 10 reaches and neither makes workpiece 100 be out of shape, again the rigidity in fixture reference seat 200 after the installation of increase workpiece 100. Usual difference DELTA is got between 0.15 0.5mm.

When auxiliary reference pads 10 is installed, the auxiliary reference pads 10 of first pre-setting. According to design, the distance that elasticity absorbing plug 3 is embedded in the heavy hole of adjustment part 2 and makes elasticity absorbing plug 3 bottom surface give prominence to adjustment part 2 is 2.5mm 3mm, ensures that elasticity absorbing plug 3 has compressibility simultaneously. Adjustment part 2 is spun in open holes 11, rotates adjustment part 2, with the height of the bottom surface and fixture reference seat reference plane that adjust elasticity absorbing plug 3. After adjusting to proper height, pin adjustment part 2 with locking screw 5. Locking screw 5 can ensure that adjustment part 2 position in open holes 11 is constant. Auxiliary like this reference pads 10 pre-setting completes.

By presetting good auxiliary reference pads 10, it is arranged on easily the shake position of workpiece 100 with fixture reference seat 200 middle. Namely auxiliary reference pads 10 can not cause location interference, added the contact surface of workpiece 100 with fixture reference seat 200 simultaneously, increased the workpiece rigidity of 100. With interior hexagon bolt through fixture reference seat 200 and elasticity absorbing plug 3, it is tightened on gently on adjustment part 2, auxiliary reference pads 10 is connected with fixture reference seat 200. Under workpiece 100 self gravitation effect, auxiliary reference pads 10 bottom surface is firmly against on the reference plane of fixture reference seat 200, it is out of shape by the elasticity of elasticity absorbing plug 3, make up the height error of the reference plane of workpiece 100 lower surface and fixture reference seat 200, reach and neither make workpiece 100 be out of shape, turn increase workpiece 100 install after the effect of rigidity in fixture reference seat 200, it is achieved the function of holding workpieces 100 and auxiliary benchmark. Like this on the reference plane of original benchmark backing plate 20 clamping, many several auxiliary datum planes, therefore during processing work 100, not easily cause, because cutting, the cutter that shakes, workpiece 100 unloads fixture reference seat 200, is not also out of shape, it is to increase the surfaceness of working accuracy and workpiece 100, cutting speed and feed can be accelerated, it is to increase productivity simultaneously.

Auxiliary reference pads 10 described in the utility model is logical can be used in pairs, it is possible to become row to use, to miniature workpiece, it is possible to list only uses, and structure is simple, easy to adjust, stable accuracy, highly versatile.

As mentioned above, it is necessary, we are illustrated according to objective of the present utility model completely, but the utility model is not limited to above-described embodiment and implementation method. The practitioner of correlative technology field can carry out different changes and enforcement in the scope that technological thought of the present utility model is permitted.

Claims (5)

1. the auxiliary reference pads of adjustable rigidity vibrationproof, it is fixedly mounted on fixture reference seat (200) for auxiliary work-piece (100), it is characterized in that: comprise the body (1) for being fixedly mounted on workpiece (100), the adjustment part (2) installed for coordinating with body (1), elasticity absorbing plug (3) and the fastening piece (4) for body (1) and adjustment part (2) are fixedly mounted in fixture reference seat (200) together, described body (1) has been offered open holes (11), described adjustment part (2) can be fixedly mounted in open holes (11), heavy hole has been offered in the bottom of described adjustment part (2), described elasticity absorbing plug (3) installation by adhering is in heavy hole, the bottom of the outstanding adjustment part (2) in the bottom surface of described elasticity absorbing plug (3), when workpiece (100) is fixedly mounted in fixture reference seat (200) by described auxiliary reference pads (10), described body (1) is fixedly mounted on workpiece (100) bottom, described body (1) and adjustment part (2) are fixedly mounted in fixture reference seat (200) by fastening piece (4), described elasticity absorbing plug (3) bottom surface is against on the upper surface of fixture reference seat (200), between described body (1) and fixture reference seat (200), there is gap.

2. the auxiliary reference pads of a kind of adjustable rigidity vibrationproof according to claim 1, it is characterized in that: described open holes (11) is screw thread through hole, described adjustment part (2) is threaded with open holes (11), described adjustment part (2) can adjust position up and down in open holes (11), and the bottom surface of described elasticity absorbing plug (3) and the distance of body (1) lower surface can pass through the upper-lower position adjustment of adjustment part (2) in open holes (11).

3. the auxiliary reference pads of a kind of adjustable rigidity vibrationproof according to claim 2, it is characterized in that: described adjustment part (2) has been offered distortion groove (6), described auxiliary benchmark pays somebody's debt and expect repayment later the locking screw (5) comprised for being locked in open holes (11) by adjustment part (2), the top of described locking screw (5) self-regulated one integral piece (2) is worn and is passed distortion groove (6) and be tightened on adjustment part (2), and the distortion of described distortion groove (6) makes adjustment part (2) be locked on body (1).

4. the auxiliary reference pads of a kind of adjustable rigidity vibrationproof according to claim 1, it is characterized in that: described fastening piece (4) is interior hexagon bolt, described interior hexagon bolt is worn from fixture reference seat (200) bottom and is passed elasticity absorbing plug (3) and be screwed on adjustment part (2).

5. the auxiliary reference pads of a kind of adjustable rigidity vibrationproof according to claim 1, it is characterised in that: described elasticity absorbing plug (3) is oil resistant industrial rubber block or polyurethane block.