CN217019464U - CNC electromagnetism centre gripping high stability finish machining tool - Google Patents

Abstract

The utility model discloses a CNC electromagnetic clamping high-stability finish machining jig which comprises a jig table and a cover plate, wherein a base is arranged on the jig table, a profiling placing cavity for placing a product is formed in the top of the base, a plurality of adsorption holes and a plurality of strong magnets are formed in the bottom of the profiling placing cavity, an air suction seat is arranged at the bottom of the jig table, an air suction groove is formed in the air suction seat, a plurality of through holes are formed in the jig table, the adsorption holes are communicated with the air suction groove through the through holes, the air suction groove is connected with an air suction device, a plurality of processing through grooves are formed in the cover plate, a profiling top block is fixedly connected to the bottom of the cover plate, the cover plate is located above the profiling placing cavity, and the profiling top block can be magnetically attracted with the strong magnets to compress the product; the utility model provides a CNC electromagnetic clamping high-stability finish machining jig which assists in fixing a product through magnetic attraction and compression and vacuum adsorption, and effectively reduces the situations of scratching and crushing of the appearance surface of the product.

Description

CNC electromagnetism centre gripping high stability finish machining tool

Technical Field

The utility model relates to the technical field of jigs, in particular to a CNC electromagnetic clamping high-stability finish machining jig.

Background

At present, CNC processing thin-wall type materials are generally difficult to press and hold due to the fact that the thin-wall type materials are too thin, the processing size of the wall thickness of the material is unstable and the material is often damaged (marked), the requirements cannot be met, products have high appearance requirements, the appearance surface is not allowed to have touch and scratch marks, common auxiliary fixtures generally clamp the appearance surface or an inner cavity, the products are easily scratched, damaged or deformed, and the common auxiliary fixtures are easy to process the appearance or unstable in clamping during clamping of the irregular appearance.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the CNC electromagnetic clamping high-stability finish machining jig which assists in fixing a product through magnetic attraction compression and vacuum adsorption, and effectively reduces the situations of scratching and crushing of the appearance surface of the product.

In order to realize the purpose, the utility model provides the following technical scheme:

the utility model provides a CNC electromagnetism centre gripping high stability finish machining tool, includes tool platform and apron, the tool bench is provided with the base, the base top is provided with the profile modeling that is used for placing the product and places the chamber, the profile modeling is placed the chamber end in chamber and is provided with a plurality of absorption holes and a plurality of powerful magnet, the bottom of tool platform is provided with the seat of breathing in, is provided with the groove of breathing in the seat of breathing in, the tool bench is provided with a plurality of through-holes, absorb the hole through-hole and the groove intercommunication of breathing in, the groove of breathing in is connected with the getter device, be provided with a plurality of processing logical grooves on the apron to the bottom rigid coupling of apron has the profile modeling kicking block, the apron is located the profile modeling and places the top in chamber and the profile modeling kicking block can be inhaled with powerful magnet for compress tightly the product.

Further the outside that the tool bench lies in the base is provided with a plurality of positioner, positioner includes cylinder and first reference column, the outside that the tool bench lies in the base is provided with a plurality of lift holes, the cylinder is fixed in tool platform bottom, first reference column is connected with the piston rod of cylinder to first reference column passes the outside that the lift through-hole lies in the base.

Further a plurality of absorption holes include a plurality of edge absorption holes and a plurality of center absorption hole, the profile modeling is placed the chamber end in chamber and is provided with a plurality of absorption intercommunication grooves, and a plurality of absorption intercommunication grooves communicate a plurality of edge absorption holes respectively.

Furthermore, the top of the first positioning column is hemispherical.

And a plurality of second positioning columns are arranged in the profiling placing cavity.

Further, a handle is arranged at the top of the cover plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the base and the cover plate are arranged, the profiling placing cavity is arranged on the base, the plurality of adsorption holes and the plurality of strong magnets are arranged in the profiling placing cavity, the processing through groove and the profiling top block are fixedly connected on the cover plate, so that a product can be tightly pressed by the strong magnetic attraction of the cover plate and a vacuum negative pressure adsorption product is fixed, the product is adsorbed by taking the appearance bottom surface of the product as a positioning part, and the product can be simultaneously processed in the inner cavity and the outer contour region by matching with the magnetic attraction and pressing fixation of the cover plate, the product appearance surface of the product can be effectively reduced from being scratched and crushed, the size of the processed product can be ensured to be stable, the product is universal for products with the same type and different inner cavity structures, multiple purposes are realized, the jig cost can be saved, the reject ratio is reduced, and the quality and the production efficiency of the product are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a first schematic structural view of a CNC electromagnetic clamping high stability fine machining fixture;

FIG. 2 is a second schematic view of a CNC electromagnetic clamping high stability fine machining fixture;

fig. 3 is a schematic structural diagram three of a CNC electromagnetic clamping high stability finish machining fixture (when hiding the product and the cover plate):

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 3;

FIG. 6 is a first schematic structural diagram of a product;

fig. 7 is a schematic structural diagram of a product.

Labeled as: 1. a jig table; 101. a lifting hole; 2. a base; 3. a profiling placing cavity; 4. a strong magnet; 5. a central adsorption hole; 6. an edge adsorption hole; 7. a first positioning post; 8. a cylinder; 9. an air suction seat; 10. a vent hole; 11. a cover plate; 12. processing a through groove; 13. a handle; 14. profiling the jacking block; 15. an adsorption communication groove; 16. a second positioning column; 17. an inner cavity; 18. and (5) appearance surface.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may, explicitly or implicitly, include one or more of the features, and in the context of this disclosure, a "plurality" or "a plurality" means two or more unless otherwise explicitly specified.

A CNC electromagnetic clamping high-stability finish machining jig is shown in figures 1-3 and comprises a jig table 1 and an apron 11, wherein a base 2 is arranged on the jig table 1, a profiling placing cavity 3 for placing a product is formed in the top of the base 2, a plurality of adsorption holes and a plurality of strong magnets 4 are formed in the cavity bottom of the profiling placing cavity 3, an air suction seat 9 is arranged at the bottom of the jig table 1, an air suction groove is formed in the air suction seat 9, a plurality of through holes are formed in the jig table 1 and communicated with the air suction groove through the through holes, an air suction device is connected to the air suction groove, a plurality of processing through grooves 12 are formed in the apron 11, a profiling ejecting block 14 is fixedly connected to the bottom of the apron 11, the profiling ejecting block 14 is made of a magnetic material, the apron 11 is located above the profiling placing cavity 3, and the profiling ejecting block 14 can be magnetically attracted with the strong magnets 4, for compacting the product.

When carrying out the clamping to the product, place the product earlier in the chamber 3 is placed to the profile modeling, then start the getter device, make the getter device carry out the negative pressure through the groove of breathing in, through-hole and induced draft hole adsorb the product, then cover apron 11 lid in the product top, make profile modeling kicking block 14 and 4 magnetism of powerful magnet inhale, profile modeling kicking block 14 top is tight product simultaneously and is compressed tightly the product, thereby make the product fix the profile modeling place in the chamber 3, CNC is adding man-hour the product, the cutter head is through stretching into the logical 12 of processing, process the product.

According to the utility model, the base 2 and the cover plate 11 are arranged, the profiling placing cavity 3 is arranged on the base 2, the plurality of adsorption holes and the plurality of strong magnets are arranged in the profiling placing cavity 3, the processing through groove 12 and the profiling ejecting block 14 are fixedly connected to the cover plate 11, so that a product can be tightly pressed by the strong magnetic attraction of the cover plate 11 and a vacuum negative pressure adsorption product can be fixed, the product is adsorbed by taking the bottom surface (the appearance surface 18) of the product as a positioning part, and the product can be simultaneously processed by matching with the magnetic attraction, pressing and fixing of the cover plate 11, so that the inner cavity 17 and the outer contour area of the product can be simultaneously processed, the scratches and the pressure damage of the appearance surface 18 of the product can be effectively reduced, the size stability of the processed product can be ensured, the product is universal for products with different inner cavity 17 structures of the same type, the multipurpose is realized, the jig cost can be saved, the reject ratio is reduced, and the quality and the production efficiency of the product are improved.

In this embodiment, as shown in fig. 1 and 3, a plurality of positioning devices are disposed on the jig table 1 and located outside the base 2, each positioning device includes an air cylinder 8 and a first positioning column 7, the jig table 1 is located outside the base 2 and provided with a plurality of lifting holes 101, the air cylinder 8 is fixed at the bottom of the jig table 1, the first positioning column 7 is connected with a piston rod of the air cylinder 8, and the first positioning column 7 passes through the lifting through hole and is located outside the base 2;

by arranging a plurality of positioning devices, the auxiliary product is positioned and placed in the profiling placing cavity 3; specifically, when placing, a plurality of cylinders 8 move simultaneously, drive all first locating posts 7 and rise, are located the outside that the chamber was placed to 2 directions of base, then alright put into the profile modeling to place the chamber 3 to the product in, a plurality of first locating posts 7 can fix a position spacingly to the product, make the product just be located the profile modeling and place the chamber 3.

In this embodiment, preferably, as shown in fig. 3 to 4, the plurality of adsorption holes include a plurality of edge adsorption holes 6 and a plurality of center adsorption holes 5, the plurality of center adsorption holes 5 are located in the middle of the profiling placing cavity 3, the plurality of edge adsorption holes 6 are located at the outer side of the middle of the profiling placing cavity 3, a plurality of adsorption communicating grooves 15 are arranged at the bottom of the profiling placing cavity 3, and the plurality of adsorption communicating grooves 15 are respectively communicated with the plurality of edge adsorption holes 6;

through setting up a plurality of center adsorption holes 5 and a plurality of edge adsorption holes 6 for the product is adsorbed the atress more evenly, adsorbs more stably, and through setting up a plurality of absorption intercommunication grooves 15, increases adsorption area, makes the product adsorb more firmly.

In this embodiment, as shown in fig. 2, a vent hole 10 is preferably disposed on the air suction seat 9, the vent hole 10 is communicated with the air suction groove, the air suction device is a vacuum pump, and the vent hole 10 is connected to the vacuum pump through an air pipe.

In this embodiment, as shown in fig. 5, the top of the first positioning column 7 is hemispherical, so that when a product contacts the first positioning column 7, the first positioning column 7 does not scratch the surface of the product.

In the present embodiment, as shown in fig. 5, a plurality of second positioning pillars 16 are disposed in the profiling placing cavity 3, and are used for quickly positioning and placing the product; specifically, when a product is placed, the through hole in the product is aligned with the second positioning column 16, so that the product can be quickly positioned and placed into the profiling placing cavity 3.

In the present embodiment, as shown in fig. 1, a handle 13 is preferably provided on the top of the cover plate 11, so that the cover plate 11 can be easily taken up or covered by holding the handle 13.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (6)

1. The utility model provides a CNC electromagnetism centre gripping high stability finish machining tool which characterized in that: including tool platform and apron, the tool bench is provided with the base, the base top is provided with the profile modeling that is used for placing the product and places the chamber, the profile modeling is placed and is provided with a plurality of absorption holes and a plurality of powerful magnet at the bottom of the chamber in chamber, the bottom of tool platform is provided with the seat of breathing in, is provided with the groove of breathing in the seat of breathing in, the tool bench is provided with a plurality of through-holes, the absorption hole is through-hole and the groove intercommunication of breathing in, the groove of breathing in is connected with the getter device, be provided with a plurality of processing logical grooves on the apron to the bottom rigid coupling of apron has the profile modeling kicking block, the apron is located the profile modeling and places the top in chamber and the profile modeling kicking block can be inhaled with powerful magnet for compress tightly the product.

2. The CNC electromagnetic clamping high stability finishing jig of claim 1, wherein: the fixture bench is characterized in that a plurality of positioning devices are arranged on the outer side of the base and comprise an air cylinder and a first positioning column, a plurality of lifting holes are formed in the outer side of the base and the air cylinder is fixed at the bottom of the fixture bench, the first positioning column is connected with a piston rod of the air cylinder, and the first positioning column penetrates through the lifting through hole and is located on the outer side of the base.

3. The CNC electromagnetic clamping high stability finishing jig of claim 1, wherein: the plurality of adsorption holes comprise a plurality of edge adsorption holes and a plurality of center adsorption holes, a plurality of adsorption communication grooves are formed in the cavity bottom of the cavity placed in the profiling mode, and the adsorption communication grooves are respectively communicated with the edge adsorption holes.

4. The CNC electromagnetic clamping high stability finish machining jig of claim 2, wherein: the top of the first positioning column is hemispherical.

5. The CNC electromagnetic clamping high stability finishing jig of claim 1, wherein: a plurality of second positioning columns are arranged in the profiling placing cavity.

6. The CNC electromagnetic clamping high stability finishing jig of claim 1, wherein: the top of the cover plate is provided with a handle.

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