CN214816628U

CN214816628U - CNC processing is with high-accuracy tool

Info

Publication number: CN214816628U
Application number: CN202023339970.4U
Authority: CN
Inventors: 黄吉锦; 陈乐平
Original assignee: Zhejiang Boqin Precision Industry Co ltd
Current assignee: Zhejiang Boqin Precision Industry Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-23
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a CNC processing is with high-accuracy tool, including the tool base, be provided with a plurality of penetrating profile modeling locating holes on the tool base, it supports the arch to be provided with on the profile modeling locating hole, the both sides of profile modeling locating hole all are provided with clamp bolt, clamp bolt and tool base threaded connection, it is connected with the briquetting to rotate on the clamp bolt, the briquetting is located supports bellied top, and above-mentioned product location simple structure fixes a position the accuracy.

Description

CNC processing is with high-accuracy tool

Technical Field

The utility model belongs to CNC processing tool field, more specifically the utility model relates to a high-accuracy tool is used in CNC processing that says so.

Background

As shown in fig. 5, this product part adopts the CNC machine tool to process, and this part includes a circular base and a screw thread section of thick bamboo that has the external screw thread, and the hole of a screw thread section of thick bamboo is the waist type, a screw thread section of thick bamboo is used for connecting other parts, is provided with four mounting holes on the four corners of circular base respectively for install fixedly this part, can use the lathe earlier among the prior art to rough turning the hole, then carry out the finish machining with the hole of a product through the CNC machine tool to a screw thread section of thick bamboo, but processing at every turn can only process single part on the CNC machine tool, and can only pass through artifical manual positioning, lead to the product location inaccurate for the unable processing stability of size. Therefore, we decided to develop such a jig to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a CNC processing is with high-accuracy tool, simple structure improves product clamping efficiency to it is accurate to guarantee to process the location.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a CNC processing is with high-accuracy tool, includes the tool base, be provided with a plurality of penetrating profile modeling locating holes on the tool base, it is protruding to be provided with the support on the profile modeling locating hole, the both sides of profile modeling locating hole all are provided with clamp bolt, clamp bolt and tool base threaded connection, it is connected with the briquetting to rotate on the clamp bolt, the briquetting is located the bellied top of support.

Furthermore, the pressing bolt is sleeved with a return spring, and two ends of the return spring are respectively abutted to the pressing block and the jig base.

Further, a spring groove is formed in the jig base, and one end of the return spring is located in the spring groove.

Further, be provided with the arc spacing groove on the tool base, be provided with spacing post on the briquetting, the one end and the arc spacing groove sliding connection of spacing post.

Further, still including installing the machine base on the lathe, the tool base is located the machine base, be provided with two revolving cylinder on the machine base, and two revolving cylinder are located the both sides of location bottom plate respectively.

Compared with the prior art, the beneficial effects of the utility model are that: when fixing a position the product on the tool base, invert the product, and make the screw thread section of thick bamboo of product aim at the profile modeling locating hole, the circular base side of product is aimed at the support arch on the profile modeling locating hole, then stretch into square locating hole with the screw thread section of thick bamboo, and make circular base and support arch inconsistent, and the side of circular base is inconsistent with the inner wall of profile modeling locating hole simultaneously, then rotate the top of briquetting to circular base, the clamp bolt screws, make the briquetting compress tightly on circular base, can accomplish the location and the fixing of product, above-mentioned product location simple structure, the location is accurate.

Drawings

Fig. 1 is a schematic structural view of the high-precision jig for CNC machining according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a side sectional view of the high-precision jig for CNC machining according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural diagram of a product.

Reference numerals: 1. a jig base; 2. profiling positioning holes; 3. a support boss; 4. a hold-down bolt; 5. briquetting; 6. a return spring; 7. a spring slot; 8. an arc-shaped limiting groove; 9. a limiting column; 10. a machine base; 11. a rotating cylinder; 12. a circular base; 13. a threaded barrel.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection 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, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 5.

The utility model provides a CNC processing is with high-accuracy tool, includes tool base 1, be provided with a plurality of penetrating profile modeling locating holes 2 on the tool base 1, be provided with support arch 3 on the profile modeling locating hole 2, the both sides of profile modeling locating hole 2 all are provided with clamp bolt 4,

clamp bolt

4 and 1 threaded connection of tool base, it is connected with briquetting 5 to rotate on the clamp bolt 4, briquetting 5 is located the top of support arch 3.

As shown in fig. 1 and 3, when a product is clamped, the product is inverted firstly, a circular base 12 of the product faces upwards, a thread cylinder 13 faces downwards, then the thread cylinder 13 is aligned with a profiling positioning hole 2, then the thread cylinder 13 is placed into the profiling positioning hole 2, the circular base 12 is enabled to be abutted against a supporting protrusion 3 on the profiling positioning hole 2, the side surface of the circular base 12 is abutted against the circular inner wall of the profiling positioning hole 2, the product can be positioned through the profiling positioning hole 2, then a pressing block 5 on a pressing bolt 4 is rotated, the pressing block 5 is enabled to be abutted against the upper part of the circular base 12 of the product, then the pressing bolt 4 is screwed, the pressing block 5 is pressed on the product through the head part of the pressing bolt 4, the product can be fixed on the profiling positioning hole 2, then a jig base plate is installed on a CNC (computer numerical control) machine tool to carry out finish machining on the inner hole of the thread cylinder 13 of the product, and the product can be accurately positioned through the profiling positioning hole 2, improve product machining precision, can fix the product fast through clamp bolt 4 simultaneously, reduce the labour of artifical clamping.

After the product thread cylinder 13 is processed, the pressing bolt 4 is unscrewed, and the pressing block 5 is rotated again, so that the pressing block 5 is away from the upper side of the product, the product can be taken out of the profiling positioning hole 2, convenience and rapidness are realized, and the product clamping efficiency is improved.

Preferably, the number of the supporting bulges 3 is at least two, and the supporting bulges respectively correspond to the pressing blocks 5 on the two sides of the profiling positioning hole 2, so that the pressing deformation of the product is reduced when the product is pressed.

Preferably, be provided with a plurality of profile modeling locating holes 2 on the tool base 1, can place a plurality of products simultaneously, improve machining efficiency.

As shown in fig. 4, the pressing bolt 4 of the present embodiment is preferably sleeved with a return spring 6, two ends of the return spring 6 respectively contact with the pressing block 5 and the jig base 1, when the pressing block 5 presses the product, the return spring 6 is compressed between the pressing block 5 and the jig base 1, and when the product is processed and the pressing bolt 4 is unscrewed, the return spring 6 can jack the pressing block 5 by elastic force, so that the pressing block 5 is quickly separated from the product.

Preferably, the two ends of the return spring 6 are respectively fixedly connected with the pressing block 5 and the jig base 1, when the pressing block 5 rotates to the position above a product, the return spring 6 can generate a torsional force, namely, the return spring 6 can twist and reset the pressing block 5 through the torsional force, and when the pressing bolt 4 is unscrewed, the pressing block 5 can rotate and lift up quickly, and the clamping efficiency is improved.

As shown in fig. 4, a spring groove 7 is disposed on the jig base 1, and one end of the return spring 6 is located in the spring groove 7, that is, the return spring 6 is fixedly connected to the spring groove 7, and an outer side surface of the return spring 6 abuts against an inner wall of the spring groove 7, so as to prevent the middle section of the return spring 6 from moving radially when the return spring 6 is compressed and twisted, and thus the use effect of the return spring 6 is affected.

Preferably, a groove connected with the return spring 6 is formed in the pressing block 5, and the pressing block is fixedly connected with the return spring 6 through the groove.

Preferably, the inner diameter of the return spring 6 is equal to or slightly larger than the outer diameter of the thread of the hold-down bolt 4, so that the radial movement of the return spring 6 can be reduced.

As shown in fig. 2, the jig base 1 of the present embodiment is preferably provided with an arc-shaped limiting groove 8, the pressing block 5 is provided with a limiting column 9, one end of the limiting column 9 is slidably connected with the arc-shaped limiting groove 8, and when the pressing block 5 rotates, the limiting column 9 can slide in the arc-shaped limiting groove 8, so that the rotating angle of the pressing block 5 is limited by the inner walls of the two ends of the arc-shaped limiting groove 8, and the rotating compression efficiency of the pressing block 5 is improved.

Preferably, when the limiting columns 9 respectively abut against the two ends of the arc-shaped limiting groove 8, the rotation angle of the pressing block 5 is 90 degrees.

As shown in fig. 1, the present embodiment preferably further includes a machine base 10 installed on the machine tool, the tool base 1 is located on the machine base 10, the machine base 10 is provided with a positioning rod, the tool base 1 can be positioned on the machine base 10 by the positioning rod, the machine base 10 is provided with two rotary cylinders 11, the two rotary cylinders 11 are respectively located at two sides of the positioning bottom plate, after the tool base 1 is positioned, the rotary cylinders 11 can be started, so that the pressing blocks 5 on the piston rods of the rotary cylinders 11 are pressed on the tool base 1, and the tool base 1 can be fixed.

Preferably, when the CNC lathe is in the product on a tool base 1 of processing, can take another the same tool base 1 again to place the product of treating processing on this tool base 1, when treating the product processing completion in the lathe, can wholly take off tool base 1 on the machine base 10, again with the new tool base 1 that is equipped with the product of treating processing more change, idle time when reducing the lathe and changing the product improves machining efficiency.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a CNC processing is with high accuracy tool which characterized in that: the fixture comprises a fixture base, a plurality of penetrating profiling positioning holes are formed in the fixture base, supporting protrusions are arranged on the profiling positioning holes, compression bolts are arranged on two sides of each profiling positioning hole and are in threaded connection with the fixture base, pressing blocks are connected to the compression bolts in a rotating mode, and the pressing blocks are located above the supporting protrusions.

2. The high-precision jig for CNC machining according to claim 1, characterized in that: the pressing bolt is sleeved with a return spring, and two ends of the return spring are respectively abutted to the pressing block and the jig base.

3. The high-precision jig for CNC machining according to claim 2, characterized in that: the jig base is provided with a spring groove, and one end of the reset spring is located in the spring groove.

4. The high-precision jig for CNC machining according to claim 3, characterized in that: the jig is characterized in that an arc-shaped limiting groove is formed in the jig base, a limiting column is arranged on the pressing block, and one end of the limiting column is connected with the arc-shaped limiting groove in a sliding mode.

5. The high-precision jig for CNC machining according to any one of claims 1-4, characterized in that: the jig base is located on the machine base, two rotary cylinders are arranged on the machine base, and the two rotary cylinders are located on two sides of the positioning bottom plate respectively.