CN217596503U - Impeller four-axis machine processing positioning jig - Google Patents

Abstract

The utility model discloses an impeller four-axis machine tooling positioning jig, including the ring flange base, be equipped with the lock solid mechanism that harmomegathus on the ring flange base, the lock solid mechanism that harmomegathus includes the lock solid cotter and sets up the central lug on the ring flange base, be equipped with T type spout on the terminal surface of central lug, be located the central spiro union passageway of T type spout, sliding fit has two splice pieces that are used for forming and the interior recess counter sink looks imitative concatenation body on the T type spout, is equipped with the cooperation groove that harmomegathus between two splice pieces, cup joints the piece that rises that is used for with two splice piece phase separation of cooperation groove drive that harmomegathus matches on the lock solid cotter. The utility model discloses can realize the internal expanding formula lock solid to the impeller indent heavy groove, guarantee that the impeller axial carries on the position degree reliably through the cooperation that the concatenation piece axial bracing opened and shut the displacement with the level, the machining precision obtains the guarantee. The flange plate base and the expansion locking mechanism are skillfully matched, the overall structure is compact, the volume of the jig is greatly reduced, and the carrying is convenient, simple and rapid.

Description

Impeller four-axis machine processing positioning jig

Technical Field

The utility model relates to an impeller four-axis machine tooling positioning jig belongs to the technical field of machine tooling positioning jig.

Background

Machining is short for machining and refers to a machining process for removing material by mechanical precision machining. During machining operation, the workpiece needs to be fixed by the jig, so that a large number of auxiliary jigs can be involved, and the auxiliary jigs need to be designed differently according to product structures, so that the stability and the limitation of product machining are met, and the forming precision is improved. The design of the jig has important significance on the machining stability, the forming precision and the machining efficiency of the product.

At present, an impeller is provided, which includes an impeller main body, the impeller main body is provided with a shaft passage, one end of the impeller main body, which is away from an impeller surface, is provided with an inner concave sunken groove, the impeller surface of the impeller main body needs to be subjected to finish milling, a four-axis machining mode is generally adopted, a rotating station along the axis of the shaft passage exists, and the impeller needs to be carried, locked and limited.

In the prior art, generally, a back-pull chuck or an axial clamping mode is adopted, wherein the back-pull chuck is provided with a back-pull conical outward-expanding part used for being matched with the inner concave sinking groove, in order to meet the requirement of position precision vertically, a plurality of axial supporting positions surrounding the back-pull conical outward-expanding part need to be designed for carrying a workpiece back-pull axial limiting, so that the position precision of the workpiece is ensured, and the back-pull chuck needs to be locked with a machining shaft phase through a flange plate, so that the requirements on the sizes of the back-pull chuck and the flange plate are higher. Meanwhile, the back-pull conical outer expanding part has a structure that a conical surface is matched with an inner concave sunken groove, the situation of poor contact locking stability exists, and hard matching is realized by generally adopting embedded nails and the like, so that a workpiece can be damaged to a certain extent.

The axial clamping can adopt a telescopic shaft rod for locking, the telescopic shaft rod is provided with a locking pressure plate exposed relative to a shaft channel, the locking pressure plate can influence a machining path on one hand, and the pressing and fixing abutting area is very small on the other hand, so that the requirements for stable clamping and locking cannot be met.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art, there is the problem of a great deal of defect to traditional back pull-type chuck and axial clamping device, provide impeller four-axis machine tooling positioning jig.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

the four-axis machining positioning jig for the impeller comprises an impeller main body with an impeller surface, the impeller main body is provided with an axis channel, one end of the impeller main body, which is deviated from the impeller surface, is provided with an inner concave groove,

comprises a flange plate base used for being carried on a rotating shaft of machining equipment, wherein the flange plate base is provided with a collapsible locking mechanism used for being matched with the inner concave sink groove,

the collapsible locking mechanism comprises a central lug arranged on the flange plate base and a locking pin bolt used for penetrating through the shaft channel, a T-shaped chute and a central screw joint channel which is positioned in the T-shaped chute and is used for being matched with the locking pin bolt are arranged on the end surface of the central lug, the central screw joint channel is positioned on the central axis of the flange plate base,

the T-shaped sliding groove is connected with two splicing blocks in a sliding fit mode, the splicing blocks are used for forming splicing bodies which are similar to the inner concave sunken grooves, an expansion matching groove is formed between the two splicing blocks, and the locking pin bolt is sleeved with the expansion blocks which are used for matching with the expansion matching groove to drive the two splicing blocks to be separated relatively.

Preferably, the inner concave sunken groove is a circular inner groove, and the two splicing blocks are semicircular cylinders used for splicing to form a cylinder.

Preferably, be equipped with the perpendicular wall that two relative inclined wall surfaces that set up and two relative settings on the periphery wall of the piece that rises, harmomegathus cooperation groove including be used for with inclined wall surface matched with cooperation inclined wall, be used for with perpendicular wall surface matched with perpendicular direction wall surface, two cooperation inclined wall is followed T type spout groove sets up to relative.

Preferably, arbitrary be equipped with on the splice piece and be used for the concatenation shaping the half type vallecular cavity of harmomegathus cooperation groove, half type vallecular cavity possesses spacing diapire, be equipped with on the spacing diapire and be used for dodging the lock solid cotter dodge the half type hole groove of dodging.

Preferably, a ring sunken groove is formed in the expansion block, a locking bolt end used for limiting in the ring sunken groove is arranged on the locking bolt, and a screwing groove is formed in the locking bolt end.

Preferably, the screw groove is one of a straight screw groove, a cross screw groove and a hexagon socket screw groove.

Preferably, the central projection and the flange base are integrally formed.

Preferably, the flange base is provided with at least three locking hole grooves located on the periphery of the central projection.

Preferably, the flange base is provided with at least two alignment holes located on the periphery of the central bump and used for carrying and aligning.

Preferably, the central projection is of a cylindrical structure.

The beneficial effects of the utility model are mainly embodied in that:

1. the internal expanding type locking of the sunken groove in the impeller can be realized, the axial carrying position of the impeller is ensured to be reliable by matching the axial support of the splicing blocks with the horizontal opening and closing displacement, and the machining precision is ensured.

2. The flange plate base and the expansion locking mechanism are skillfully matched, the overall structure is compact, the volume of the jig is greatly reduced, and the carrying is convenient and simple.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is the utility model discloses impeller four-axis machine tooling positioning jig's explosion structure sketch map.

Fig. 2 is another perspective view explosion structure diagram of the four-axis machining positioning jig of the impeller of the present invention.

FIG. 3 is the utility model discloses impeller four-axis machine tooling positioning jig's user state structure sketch map

Fig. 4 is a schematic view of the utility model of another view angle using state of the four-axis machining positioning jig of impeller.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than 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.

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The utility model provides an impeller four-axis machine tooling positioning jig, as shown in fig. 1 to fig. 4, impeller 1 is including the impeller main part 10 that possesses impeller face 11, and impeller main part 10 possesses axle passageway 12, and the one end that impeller main part 10 deviates from impeller face 11 possesses indent heavy groove 13, and drawing formula chuck and axial clamping device behind the tradition has a great deal of defect.

The present application provides a four-axis machining positioning jig for an impeller shown in fig. 1 to 4, which includes a flange base 2 for carrying on a rotating shaft of a machining device, and an expansion and contraction locking mechanism 3 for being matched with an inner concave groove 13 is disposed on the flange base 2.

The collapsible locking mechanism 3 comprises a central bump 4 arranged on the flange base 2 and a locking pin bolt 5 for penetrating through a shaft channel, wherein a T-shaped chute 40 and a central screw joint channel which is positioned in the T-shaped chute and is used for being matched with the locking pin bolt are arranged on the end face of the central bump 4, the central screw joint channel is positioned on the central axis of the flange base, and the marks and the drawings are omitted in the attached drawings.

The T-shaped sliding groove 40 is connected with two splicing blocks 6 in a sliding fit mode, the splicing blocks are used for forming splicing bodies which are similar to the inner concave sunken grooves, an expansion matching groove 7 is formed between the two splicing blocks, and a locking pin bolt is sleeved with an expansion block 8 which is used for matching with the expansion matching groove to drive the two splicing blocks to be separated relatively.

The specific implementation process and principle description are as follows:

the flange plate base 2 is used for locking the rotating shaft position of machining equipment, when the impeller is carried, firstly, the locking pin bolt 5 is loosened to enable the expansion block 8 to be separated from the expansion matching groove 7, at the moment, the splicing forming of the two splicing blocks 6 is manually carried out, then the inner concave groove 13 of the impeller and the splicing body formed by the two splicing blocks 6 are oppositely sleeved and matched, and the top surface of the splicing body is abutted to the top surface of the inner concave groove 13.

When the impeller is in compression joint in place, the locking pin bolt 5 is screwed and locked through the shaft channel 12, so that the downward pressing stroke driving of the expansion block 8 is realized, the expansion block pushes the expansion matching groove 7, the two splicing blocks 6 are separated along the T-shaped sliding groove 40, the inward expansion locking of the inner concave sunken groove 13 is realized, and the stable locking and high position precision of the impeller are ensured.

In one embodiment, the inner concave groove 13 is a circular inner groove, and the two splicing blocks are semicircular cylinders for splicing to form a cylinder.

The requirement of profile modeling matching of the specific inner concave sunken groove 13 is met, the profile modeling matching device is certainly suitable for matching different grooves such as rectangles and the like, and only the profile modeling splicing blocks with relative displacement need to be designed.

In one embodiment, the outer peripheral wall of the expansion block 8 is provided with two opposite inclined wall surfaces 81 and two opposite vertical wall surfaces 82, and the expansion and contraction matching groove 7 comprises a matching inclined wall 70 for matching with the inclined wall surfaces and a vertical guide wall surface for matching with the vertical wall surfaces, and the two matching inclined walls are oppositely arranged along the direction of the T-shaped sliding groove.

That is, the inclined wall 70 and the inclined wall 81 are matched to realize the relative separation driving of the two splicing blocks 6, and the vertical wall 82 and the vertical guiding wall are matched to meet the matching requirement of the relative position precision, so that the sliding displacement of the two splicing blocks 6 along the direction of the T-shaped sliding groove 40 is more accurate and smooth.

In one embodiment, any of the splicing blocks 6 is provided with a half-shaped groove cavity 61 for splicing and forming an expansion and contraction matching groove, the half-shaped groove cavity is provided with a limiting bottom wall 62, and an avoiding half-shaped hole groove 63 for avoiding a locking pin bolt is arranged on the limiting bottom wall.

The avoiding semi-shaped hole groove 63 is used for avoiding a pin column of a locking pin bolt, simultaneously plays a role in high-precision alignment of pre-splicing, has high axis alignment precision after the impeller is carried, does not generate deviation displacement adjustment during subsequent separation operation, and ensures smooth locking and stable position degree.

In one embodiment, the expanding block 8 is provided with a ring recess 80, and the locking pin 5 is provided with a locking pin end 50 for being limited in the ring recess, and the locking pin end is provided with a screw groove. The screwing groove is one of a straight screwing groove, a cross screwing groove and an inner hexagonal screwing groove.

The annular sunken groove 80 is matched with the locking bolt end 50, so that the concentricity alignment requirements of the annular sunken groove and the locking bolt end are met.

In one embodiment, the central protrusion 4 is integrally formed with the flange base. The flange base 2 is provided with at least three locking hole grooves 21 positioned on the periphery of the central bump, and the flange base is provided with at least two alignment hole channels 22 positioned on the periphery of the central bump and used for carrying and aligning. The central convex block is in a cylindrical structure.

By the design, the flange plate base is more compact in structure, and meanwhile, the overall structural strength is higher, and the locking hole groove 21 is matched with the alignment hole channel 22, so that the requirements of high-precision alignment and assembly of a rotating shaft position of machining equipment are met.

Can discover through the above description, the utility model discloses impeller four-axis machine tooling positioning jig can realize the internal expanding formula lock solid to the impeller indent heavy groove, and the cooperation of opening and shutting the displacement through splice piece axial bracing and level ensures that the impeller axial carries on the position degree reliably, and the machining precision is ensured. The flange plate base and the expansion locking mechanism are skillfully matched, the overall structure is compact, the volume of the jig is greatly reduced, and the carrying is convenient and simple.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions can be made on the related technical features by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions will fall into the protection scope of the invention.

Claims (10)

1. Impeller four-axis machine tooling positioning jig, the impeller is including the impeller main part that possesses the impeller face, impeller main part possesses the axle passageway, impeller main part deviates from the one end of impeller face possesses interior sunken groove, its characterized in that:

comprises a flange plate base used for being carried on the rotating shaft position of machining equipment, an expansion and contraction locking mechanism used for being matched with the inner sunken groove is arranged on the flange plate base,

the expansion and contraction locking mechanism comprises a central convex block arranged on the flange plate base and a locking pin bolt used for penetrating through the shaft channel, a T-shaped sliding groove and a central screw connection channel which is positioned in the T-shaped sliding groove and is used for being matched with the locking pin bolt are arranged on the end face of the central convex block, the central screw connection channel is positioned on the central axis of the flange plate base,

the T-shaped sliding groove is connected with two splicing blocks in a sliding fit mode, the splicing blocks are used for forming a splicing body similar to the inner concave sunken groove, an expansion matching groove is formed between the two splicing blocks, and the locking pin bolt is sleeved with expansion blocks which are used for being matched with the expansion matching groove to drive the two splicing blocks to be separated relatively.

2. The four-shaft machining positioning jig for the impeller according to claim 1, characterized in that:

the inner concave sunken groove is a circular inner groove, and the two splicing blocks are semicircular cylinders used for splicing to form a cylinder.

3. The four-shaft machining positioning jig for the impeller according to claim 2, characterized in that:

be equipped with the slope wall and the perpendicular wall of two relative settings that set up of two relative settings on the periphery wall of rising piece, harmomegathus cooperation groove including be used for with slope wall matched with cooperation slope wall, be used for with perpendicular wall matched with vertical guidance wall, two cooperation slope wall is followed T type spout groove sets up to relative.

4. The four-axis machine tooling positioning fixture of impeller of claim 3, characterized in that:

arbitrary be equipped with on the splice block and be used for the concatenation shaping the semi-cavity of harmomegathus cooperation groove, semi-cavity possesses spacing diapire, be equipped with on the spacing diapire and be used for dodging the lock solid cotter dodges semi-cavity groove.

5. The four-shaft machining positioning jig for the impeller according to claim 1, characterized in that:

the expansion block is provided with a ring concave groove, the locking pin bolt is provided with a locking bolt end for limiting in the ring concave groove, and the locking bolt end is provided with a screwing groove.

6. The four-axis machine tooling positioning fixture of impeller of claim 5, characterized in that:

the screwing groove is one of a straight screwing groove, a cross screwing groove and an inner hexagonal screwing groove.

7. The four-shaft machining positioning jig for the impeller according to claim 1, characterized in that:

the central lug and the flange base are integrally formed.

8. The four-shaft machining positioning jig for the impeller of claim 7, characterized in that:

and at least three locking hole grooves positioned on the periphery of the central lug are formed in the flange plate base.

9. The four-axis machining positioning jig of impeller of claim 8, characterized in that:

and at least two alignment holes for carrying and aligning are arranged on the flange base and positioned on the periphery of the central lug.

10. The four-shaft machining positioning jig for the impeller of claim 7, characterized in that:

the central lug is of a cylindrical structure.

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