CN202162583U

CN202162583U - Rotatable V-shaped frame

Info

Publication number: CN202162583U
Application number: CN2011202075413U
Authority: CN
Inventors: 徐留富; 孔繁群; 刘永智; 王诚阳
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2011-06-20
Filing date: 2011-06-20
Publication date: 2012-03-14
Anticipated expiration: 2021-06-20

Abstract

The utility model discloses a rotatable V-shaped frame which belongs to the technical field of machining. The rotatable V-shaped frame comprises a base, a V-shaped block and a pressure plate matched with a V-shaped groove at the upper part of the V-shaped block, wherein the V-shaped block is arranged in a cavity of the base and provided with a step shaft, a cylindrical gear and a manual wheel, a fan-shaped gear is arranged at the lower part of the V-shaped block, the cylindrical gear is mounted in the base through the step shaft, the cylindrical gear is placed in the cavity of the base below the V-shaped block, the cylindrical gear is meshed with the fan-shaped gear, one end of the step shaft extends out of the base for mounting the manual wheel, a locking bolt for positioning is arranged on the surface of the fan-shaped gear at the lower part of the V-shaped block, a circular arc-shaped groove which can enable the locking bolt to rotate along with the V-shaped block is arranged on the base corresponding to the locking bolt, and the locking bolt is sheathed in the circular arc-shaped groove. The rotatable V-shaped frame can solve the problems of positioning and rotation of workpieces during scribing and processing, realize multi-direction and multi-angle scribing by clamping once and suitable for scribing, inspection and processing positioning of the parts during single-piece or small-batch production.

Description

A kind of rotatable V-type frame

Technical field

The utility model relates to a kind of rotatable V-type frame, and the rotatable V-type frame especially for the line of the part in single-piece or the small lot batch manufacture, check and processing location work belongs to the Machining Technology field.

Background technology

V-block is pressed the JB/T8047-95 standard manufacture, is also referred to as the V-type frame, and commonly used have three mouthfuls of v blocks, single port v block and five mouthfuls of v blocks.V-block adopts high-quality HT200-250 material, and the material of cast iron V-block can be divided into magnesium iron and two types of gray irons, supplies in pairs, be mainly used in accurate axial workpiece detection, line, decide the clamping in appearance and the machining.V-block precision: be divided into 1 grade, 2 grades, 3 grades.V-block mainly is used for round pieces such as placed axis, sleeve, disk, so as the alignment line with mark center line.General V-block all is two of pairs, and two plane and V-type groove all grind in once mounting.

In machine industry, V-block belongs to setting element, and being positioned in line, check and the processing is a very important job.Though it is an independent setting element for a V-block, the structural element of its location basal plane is not single, and two plane of orientations are arranged; The intersection of the first two plane of orientations, another is the positioning reference of the intersection of the symmetrical centre face that formed by two planes as vertical direction, the V-block symmetrical centre is as the positioning reference of horizontal direction, and self centering characteristics are arranged.But V-block need overturn to workpiece in the use process, could realize multi-faceted, multi-angle line, has increased benchmark conversion and the installation centering difficulty of workpiece when line.

The utility model content

The purpose of the utility model is the defective to prior art, and a kind of rotatable fast and efficiently V-type frame is provided, and collection dividing head, V-block are one; Solved workpiece in location and the rotation problem of ruling, add man-hour; Multi-faceted, multi-angle line that the disposable clamping of this utility model just can be realized has reduced the benchmark conversion of workpiece when line and the difficult problem of installation centering, can confirm the three-dimensional coordinate of workpiece neatly; Reduce working strength of workers, improved operating efficiency.

The purpose of the utility model realizes through following technical scheme, and a kind of rotatable V-type frame comprises base, V-block and the pressing plate that is complementary with the V-shaped groove on V-block top; V-block is arranged in the cavity of base; It is characterized in that being provided with step axle, roller gear, manual pulley, the bottom of said V-block is provided with sector gear, and roller gear is installed in the base through the step axle; Roller gear places the cavity of the base of V-block below; Roller gear and sector gear engagement, an end of step axle extends outside the base described manual pulley is installed, and the sector wheel face of said V-block bottom is provided with the clamping screw that is used to locate; Be provided with the arc groove that supplies clamping screw to rotate with V-block with the clamping screw correspondence position on the base, clamping screw is set in the arc groove.

Said base is provided with a plurality of pressing plate grooves that are used for installing with lathe coupling usefulness, and the bottom surface of base is vertical with right flank with left surface.

Vertical line symmetry 45 degree with the step axle center on the sector wheel face of said V-block bottom are carved with reticule.

Said clamping screw is arranged on the vertical line in step axle center.

The utility model is simple in structure, processing ease, working stability, reliable, practical.Rotatable V-type frame has acted on all functions of V-block, has increased simultaneously and can revolve function, makes line, checks and adds the installation in man-hour and locate faster, more convenient; Reduced the error of installing and locating, guaranteed the quality of part, disposable clamping just can mark line multi-faceted, multi-angle; Reduce the benchmark conversion of workpiece when line and the trouble of installation centering, confirmed the three-dimensional coordinate of workpiece neatly, fundamentally solved the fixing and rotation problem of workpiece when ruling.The utility model has extensive use and is worth in machine industry, be specially adapted to part line, check and processing location work in single-piece or the small lot batch manufacture, makes simple and quick.

The utility model base can about upset, V-block can be done 90 degree rotations in base, disposable clamping just can mark multi-faceted, multi-angle ground wire, reduces workpiece the rule conversion of benchmark, the two-dimensional coordinate of definite workpiece neatly.Particularly on lathe, add man-hour disposable clamping and just can process the machined surface of multi-angle, not only improved operating efficiency, the position error when having reduced the benchmark conversion has simultaneously guaranteed the crudy of part.

The utility model can be guaranteed line, machining accuracy, enhances productivity, and has vast market and good economic benefit.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure sketch map of the utility model;

Among the figure: 1 pressing plate, 2 V-blocks, 3 bases, 4 subsequent use latches, 5 roller gears, 6 step axles, 7 spacer rings, 8 locking nuts, 9 keys, 10 manual pulley.

The specific embodiment

Embodiment 1

Like Fig. 1, shown in Figure 2: a kind of rotatable V-type frame; Comprise base 3, V-block 2 and the pressing plate 1 that is complementary with the V-shaped groove on V-block top, V-block 2 is arranged in the cavity of base 3, also is provided with step axle 6, roller gear 5, manual pulley 10; The bottom of V-block 2 is provided with sector gear; Roller gear 5 is installed in the base 3 through step axle 6, and roller gear 5 places the cavity of the base 3 of V-block below, roller gear 5 and sector gear engagement; The described manual pulley 10 of one end protuberate basic unit, 3 outer installations of step axle 6; The sector wheel face of said V-block 2 bottoms is provided with the clamping screw 8 that is used to locate, and is provided with the arc groove that supplies clamping screw to rotate with V-block with clamping screw 8 correspondence positions on the base 3, and clamping screw 8 is set in the arc groove.Base 3 is provided with a plurality of pressing plate grooves that are used for installing with lathe coupling usefulness, and the bottom surface of base 3 is vertical with right flank with left surface.Vertical line symmetry 45 degree with the step axle center on the sector wheel face of V-block 2 bottoms are carved with reticule.Clamping screw 8 is arranged on the vertical line in step axle center.

It is identical with V-block 2 that pressing plate 1 is made angle, can positive and negatively use according to diameter, the pressing plate 1 of part.The base bottom is provided with rotatable wishbone is installed in the pressing plate groove on the lathe, can rotatable wishbone be installed in and do the anchor clamps use on the lathe, and the plane of different angles only need rotate rotatable wishbone and get final product, and has reduced clamping and position error.

Roller gear 5 is that key 9 is connected with the connected mode of step axle 6.V-block 2 Lower Halves are benchmark with the center of circle, make symmetry 45 degree lines, make a concentric circles less than fan-shaped half warp in its vertical center line, and this concentrically ringed end face is made the machining cylindrical gear face becomes sector gear.Roller gear 5 is contained on the same step axle 6 with manual pulley 10, and with the sector gear engagement of V-block 2 ends, rotation manual pulley 10 can drive V-block 2 rotations.Reticule is carved with in base 3 fronts, and rotation manual pulley 10 can obtain required angle, and angle commonly used can be located with latch fast.Be provided with spacer ring 7 between step axle 6 and the V-block 2, can reduce friction.

With the roller gear base of packing into, then sector gear and roller gear are connected with a joggle, 90 degree upsets can be done in the base both sides, because the bottom surface of base is vertical with right flank with left surface, overturn about can base being carried out, and realize that multi-faceted, multi-angle rules.The concrete operations mode is following: as shown in Figure 1, the right flank among Fig. 1 as the bottom surface, is realized upset to the right; Left surface among Fig. 1 as the bottom surface, is realized upset left.

As shown in Figure 1, V-block 2 can be done 90 degree rotations in base.During groove, V-block 2 whole mechanism both sides are parallel to each other and are vertical with base end face at " 0 " degree, can do 90 degree upsets between mutually, rotate handwheel V-block 2 and can in base, do to rotate in the 90 degree scopes.

Rotatable V-type frame belongs to machining class specific purpose tool; Mainly be used for supporting, clamp axis class, the line of pipe part, check, processing; Multi-faceted, multi-angle line that disposable clamping just can be realized; Reduced benchmark conversion and trouble that centering be installed, the neatly three-dimensional coordinate of definite workpiece of workpiece when line.Particularly on lathe, add man-hour disposable clamping and just can process the machined surface of multi-angle, not only improved operating efficiency, and the position error when having reduced the benchmark conversion, guaranteed the crudy of part.

Claims

1. rotatable V-type frame; Comprise base, V-block and the pressing plate that is complementary with the V-shaped groove on V-block top, V-block is arranged in the cavity of base, it is characterized in that being provided with step axle, roller gear, manual pulley; The bottom of said V-block is provided with sector gear; Roller gear is installed in the base through the step axle, and roller gear places the cavity of the base of V-block below, roller gear and sector gear engagement; One end of step axle extends outside the base described manual pulley is installed; The sector wheel face of said V-block bottom is provided with the clamping screw that is used to locate, and is provided with the arc groove that supplies clamping screw to rotate with V-block with the clamping screw correspondence position on the base, and clamping screw is set in the arc groove.

2. a kind of rotatable V-type frame according to claim 1 is characterized in that said base is provided with a plurality of pressing plate grooves that are used for installing with lathe coupling usefulness, and the bottom surface of base is vertical with right flank with left surface.

3. a kind of rotatable V-type frame according to claim 1 is characterized in that vertical line symmetry 45 degree with the step axle center are carved with reticule on the sector wheel face of said V-block bottom.

4. according to claim 1 or 3 described a kind of rotatable V-type framves, it is characterized in that said clamping screw is arranged on the vertical line in step axle center.