CN214868906U - Auxiliary positioning tool for casting blank - Google Patents

Abstract

The utility model belongs to the technical field of the frock of foundry goods drilling assistance-localization real-time, concretely relates to foundry goods blank location assistance-localization real-time frock, including bottom plate one, bottom plate one top surface symmetry is provided with two V type pieces, be provided with a left and right handed double-end nut between two V type pieces, respectively be provided with a double-screw bolt that matches with it in two screw holes of left and right handed double-end nut, the side that the double-screw bolt does not stretch into the one end of screw hole has seted up the keyway, the through-hole has been seted up with the position that the double-screw bolt just faces on the V type piece, the double-screw bolt extends to the opposite side of V type piece through the through-hole, the keyway relative position on the double-screw bolt in the through-hole has also been seted up, be provided with the navigation key in the keyway; the front side surface of the V-shaped block facing the front is recessed inwards near the bottom surface. The utility model has the advantages of rational in infrastructure, can be used for five-axis machine tool auxiliary drilling, the foundry goods blank alignment the central axis that is convenient for will process, can conveniently adjust the machined surface of foundry goods blank, drilling location is accurate, simple structure, convenient to use.

Description

Auxiliary positioning tool for casting blank

Technical Field

The utility model belongs to the technical field of foundry goods drilling assistance-localization real-time's frock, concretely relates to is rational in infrastructure, can be used for five-axis lathe to assist the drilling, and the foundry goods blank alignment the central axis that is convenient for to process can conveniently adjust the machined surface of foundry goods blank, and drilling location is accurate, simple structure, convenient to use's a foundry goods blank location assistance-dress.

Background

The existing casting blank needs to be fixed on a rotary worktable of a machine tool when being drilled and machined by a five-axis machine tool, but the casting blank can not be directly fixed on the rotary worktable of the machine tool when being fixed on the workpiece with the shell-shaped structure with the irregular appearance, and auxiliary tools are needed. The existing auxiliary positioning device only has the function of auxiliary fixing, a workpiece needs to be manually adjusted when the central axis of the casting is aligned, the central axis of the casting is determined through real-time measurement, and the operation mode is manual measurement, so that the efficiency is low, the central axis alignment has large deviation due to the limitation of measurement precision, and finally the requirement of the casting blank for processing the precision casting cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is inconvenient to solve the middle axis alignment that exists when current cast blank drilling adds man-hour, has the problem of great deviation, and provides a rational in infrastructure, can be used for the supplementary drilling of five-axis machine tool, and the cast blank alignment the central axis that is convenient for will process can conveniently adjust the machined surface of cast blank, and drilling location is accurate, simple structure, convenient to use's cast blank location auxiliary fixtures

The utility model adopts the technical proposal that:

a casting blank positioning auxiliary tool comprises a first bottom plate, wherein two V-shaped blocks are symmetrically arranged on the top surface of the first bottom plate, the top surfaces of the V-shaped blocks are inwards sunken to form a plate-shaped structure of a V-shaped groove, the two V-shaped blocks are arranged in parallel and oppositely and are perpendicular to the first bottom plate, the V-shaped groove penetrates through the left side surface and the right side surface of the V-shaped block, a left-right-handed double-headed nut is arranged between the two V-shaped blocks and is perpendicular to the opposite side surfaces of the two V-shaped blocks, two screw holes of the left-right-handed double-headed nut are respectively provided with a stud matched with the left-right-handed double-headed nut, the side surface of one end, which does not extend into the screw holes, of the stud is provided with a key groove, the position, which is opposite to the stud, on the V-shaped block, extends to the other side of the V-shaped block through the through hole, and the position, which is opposite to the key groove on the stud, in the through hole is also provided with the key groove, a positioning key is arranged in the key groove; the front side face, facing the front, of the V-shaped block is recessed inwards at a position close to the bottom face, a trapezoidal notch is formed by the V-shaped block and the bottom plate, the notch penetrates through the left side face and the right side face of the V-shaped block, and the part, located in the notch, of the front side face, facing the front, of the V-shaped block is perpendicular to the bottom plate.

Furthermore, a positioning adjusting screw hole is formed in the part, located in the notch, of the front side face, facing the front of the V-shaped block, and a positioning adjusting screw is arranged in the positioning adjusting screw hole.

Furthermore, a group of supporting adjusting screw holes are formed in the outer sides of the two V-shaped blocks on the first base plate, the two groups of supporting adjusting screw holes are symmetrically arranged, and supporting adjusting screws are arranged in the supporting adjusting screw holes.

Furthermore, a group of compression screw holes are formed in the outer side, located on the first bottom plate, of the support adjusting screw hole, the two groups of compression screw holes are symmetrically arranged, and compression screws are arranged in the compression screw holes.

Furthermore, a second bottom plate is arranged below the first bottom plate in parallel, a supporting plate is arranged between the first bottom plate and the second bottom plate, and the supporting plate is perpendicular to and fixedly connected with the first bottom plate and the second bottom plate.

The beneficial effects of the utility model reside in that: the utility model provides a foundry goods blank location auxiliary fixtures through the V type piece that sets up on bottom plate one, can place the excircle part of the foundry goods blank that will process on the V font recess, through rotating left and right handed double-end nut, make the double-screw bolt of its both sides move to the outside of two V type pieces simultaneously, because the double-screw bolt is provided with the navigation key in the keyway on double-screw bolt and the through-hole, therefore when rotating left and right handed double-end nut, two double-screw bolts can not take place to rotate in the through-hole, only can be along the flexible translation of through-hole, when two double-screw bolts withstood on the foundry goods blank inner wall simultaneously, then the central axis of foundry goods blank has been aligned automatically for two V type pieces; the trapezoidal notch at the position of the front side surface of the V-shaped block facing the front and close to the bottom surface is convenient for sleeving the shell-shaped casting blank at the front position of the V-shaped block, so that the pitching angle of the casting can be adjusted; support adjusting screw holes formed in the outer sides of the two V-shaped blocks and support adjusting screws arranged in the support adjusting screw holes are used for adjusting the vertical height of the casting blank relative to the first base plate; the pressing screw hole is formed in the first base plate and positioned on the outer side of the supporting and adjusting screw hole, and the pressing screw is arranged in the pressing screw hole, so that a casting blank with three-axis parameters adjusted relative to the first base plate is fixed with the first base plate, and further processing on a machine tool is facilitated; and the second bottom plate arranged below the first bottom plate is a fixed mounting plate and is used for fixedly mounting the whole tool and a blank casting fixed on the whole tool on a workbench of a machine tool.

In a word, the utility model provides a pair of foundry goods blank location auxiliary fixtures has rational in infrastructure, can be used for the supplementary drilling of five-axis machine tool, and the foundry goods blank alignment the central axis that is convenient for to process can conveniently adjust the machined surface of foundry goods blank, and drilling location is accurate, simple structure, convenient to use's advantage.

Drawings

Fig. 1 is a schematic perspective view of a casting blank positioning auxiliary tool provided by the present invention;

fig. 2 is a schematic structural view of a casting blank positioning auxiliary tool provided by the present invention in a front view;

fig. 3 is a left side view structural schematic diagram of the auxiliary tool for positioning a casting blank provided by the utility model;

fig. 4 is a schematic top view of the auxiliary tool for positioning a casting blank according to the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the rough casting processed by the positioning adjustment of the auxiliary tool for positioning the rough casting

In the figure: 1. A first bottom plate; 2. a V-shaped block; 3. left-right double-end nuts; 4. A stud; 5. a positioning key; 6. positioning and adjusting screw holes; 7. supporting the adjusting screw hole; 8. pressing the screw hole; 9. a second bottom plate; 10. and a support plate.

Detailed Description

The core of the utility model is to provide a foundry goods blank location auxiliary fixtures.

The present invention will be further explained with reference to the accompanying drawings:

a casting blank positioning auxiliary tool comprises a bottom plate 1, wherein two V-shaped blocks 2 are symmetrically welded on the top surface of the bottom plate 1, the V-shaped blocks 2 are of a plate-shaped structure, the top surface of each V-shaped block 2 is sunken inwards to form a V-shaped groove, the two V-shaped blocks 2 are arranged in parallel and oppositely, the two V-shaped blocks 2 are arranged vertically to the bottom plate 1, the V-shaped grooves penetrate through the left side surface and the right side surface of each V-shaped block 2, a left-right-turning stud nut 3 is arranged between the two V-shaped blocks 2, the left-right-turning stud nut 3 is perpendicular to the opposite side surface of the two V-shaped blocks 2, two screw holes of the left-right-turning stud nut 3 are internally provided with a stud 4 matched with the screw holes, the side surface of one end, which does not extend into the screw hole, of the stud 4 is provided with a key groove, the position, which is opposite to the stud 4, the stud 4 extends to the other side of the V-shaped block 2 through the through hole, key grooves are also formed in the through holes at positions opposite to the key grooves on the studs 3, positioning keys 5 are arranged in the key grooves, the studs 4 on two sides of the studs move to the outer sides of the two V-shaped blocks 2 at the same time by rotating the left-handed and right-handed double-headed nuts 3, and the positioning keys 5 are arranged in the stud 4 and the key grooves on the through holes, so that when the left-handed and right-handed double-headed nuts 3 are rotated, the two studs 4 cannot rotate in the through holes and only can stretch and translate along the through holes; the front side surface, facing the front, of the V-shaped block 2 is recessed inwards at a position close to the bottom surface, and forms a trapezoidal notch together with the bottom plate 1, the notch penetrates through the left side surface and the right side surface of the V-shaped block 2, the part, located in the notch, of the front side surface, facing the front, of the V-shaped block 2 is perpendicular to the bottom plate 1, due to the notch structure, a shell-shaped casting blank is conveniently sleeved at the front position of the V-shaped block 2, the casting blank is easy to fix, a positioning adjusting screw hole 6 is formed in the part, located in the notch, of the front side surface, facing the front, of the V-shaped block 2, and a positioning adjusting screw is arranged in the positioning adjusting screw hole 6; a group of supporting adjusting screw holes 7 are respectively formed in the outer sides of the two V-shaped blocks 2 on the first bottom plate 1, the two groups of supporting adjusting screw holes 7 are symmetrically arranged, and supporting adjusting screws are arranged in the supporting adjusting screw holes 7; a group of compression screw holes 8 are respectively formed in the first bottom plate 1 and positioned on the outer sides of the supporting and adjusting screw holes 7, the two groups of compression screw holes 8 are symmetrically arranged, and compression screws are arranged in the compression screw holes 8; a second bottom plate 9 is arranged below the first bottom plate 1 in parallel, a supporting plate 10 is welded between the first bottom plate 1 and the second bottom plate 9, and the supporting plate 10 is perpendicular to and fixedly connected with the first bottom plate 1 and the second bottom plate 9.

When the shell-type casting blank is used, the shell-type casting blank shown in figure 5 is sleeved at the front position of the V-shaped blocks 2, the excircle part of the casting blank to be processed is placed on the V-shaped groove, the studs 4 on the two sides of the shell-type casting blank move towards the outer sides of the two V-shaped blocks 2 simultaneously by rotating the left-right-handed stud nuts 3, and the positioning keys 5 are arranged in the studs 4 and the key grooves on the through holes, so that when the left-right-handed stud nuts 3 are rotated, the two studs 4 cannot rotate in the through holes and only can stretch and translate along the through holes, and when the two studs 4 simultaneously prop against the inner wall of the casting blank, the central axis of the casting blank is automatically aligned relative to the two V-shaped blocks 2; after the central axis is aligned, the extending length of a positioning adjusting screw arranged in a positioning adjusting screw hole 6 is rotated to enable the positioning adjusting screw to be propped against a casting blank, so that the perpendicularity of the casting blank relative to a base plate 1 meets the processing requirement; the supporting adjusting screw is rotated to be propped against the casting blank, so that the vertical height of the casting blank relative to the base plate I1 meets the processing requirement; a process hole (screw hole) is formed in the position, opposite to the compression screw hole 8, of the casting blank, and the casting blank is fixedly connected with the first base plate 1 through a compression bolt; and finally, the whole tool together with the blank casting fixed on the tool is fixedly arranged on the workbench of the machine tool through fixedly arranging the second bottom plate 9 on the workbench of the machine tool.

Claims (5)

1. The utility model provides a foundry goods blank location auxiliary fixtures which characterized in that: the positioning device comprises a first base plate, wherein two V-shaped blocks are symmetrically arranged on the top surface of the first base plate, the top surfaces of the V-shaped blocks are inwards sunken to form a plate-shaped structure with V-shaped grooves, the two V-shaped blocks are arranged in parallel and oppositely, the two V-shaped blocks are arranged vertically to the first base plate, the V-shaped grooves penetrate through the left side surface and the right side surface of the V-shaped blocks, a left-right-handed double-headed nut is arranged between the two V-shaped blocks and is perpendicular to the opposite side surfaces of the two V-shaped blocks, two screw bolts matched with the left-right-handed double-headed nut are respectively arranged in the two screw holes of the left-right-handed double-headed nut, a key groove is formed in the side surface of one end, which does not extend into the screw holes, a through hole is formed in the position, which is opposite to the key groove in the through hole, and a positioning key is arranged in the key groove; the front side face, facing the front, of the V-shaped block is recessed inwards at a position close to the bottom face, a trapezoidal notch is formed by the V-shaped block and the bottom plate, the notch penetrates through the left side face and the right side face of the V-shaped block, and the part, located in the notch, of the front side face, facing the front, of the V-shaped block is perpendicular to the bottom plate.

2. The casting blank positioning auxiliary tool of claim 1, which is characterized in that: the front side surface of the V-shaped block facing the front is provided with a positioning adjusting screw hole in the recess, and a positioning adjusting screw is arranged in the positioning adjusting screw hole.

3. The casting blank positioning auxiliary tool of claim 1, which is characterized in that: a group of supporting adjusting screw holes are formed in the outer sides of the two V-shaped blocks on the first base plate, the two groups of supporting adjusting screw holes are symmetrically arranged, and supporting adjusting screws are arranged in the supporting adjusting screw holes.

4. The casting blank positioning auxiliary tool of claim 3, characterized in that: a set of compression screw holes are formed in the outer side, located on the first bottom plate, of the support adjusting screw hole, the two sets of compression screw holes are symmetrically arranged, and compression screws are arranged in the compression screw holes.

5. The cast blank positioning auxiliary tool as claimed in any one of claims 1 to 4, wherein: a second bottom plate is arranged below the first bottom plate in parallel, a supporting plate is arranged between the first bottom plate and the second bottom plate, and the supporting plate is perpendicular to and fixedly connected with the first bottom plate and the second bottom plate.

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