CN214557466U

CN214557466U - Knife rest for numerical control machine tool

Info

Publication number: CN214557466U
Application number: CN202120484639.7U
Authority: CN
Inventors: 李林
Original assignee: Tengzhou Ruijie Cnc Machine Tool Co ltd
Current assignee: Tengzhou Ruijie Cnc Machine Tool Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-02
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a knife rest for digit control machine tool, comprising a main body, the top of main part is equipped with the lower tool post, the top fixedly connected with fixed block of lower tool post, the outer fixed surface of fixed block is connected with the upper tool post, a plurality of holes of placing have evenly been seted up at the top edge of upper tool post, and place the hole and run through the top of upper tool post perpendicularly and extend to the bottom, and are a plurality of the inside of placing the hole all is equipped with two installation swivel nuts, and is a plurality of the spacing groove has all been seted up to the internal surface both sides of placing the hole, and the spacing groove link up mutually with the top of upper tool post. The utility model discloses in, through installation swivel nut, spacing, place hole, spacing groove, spring cavity, compression spring, limiting plate, spacing pin and the push rod that sets up, when fixing bolt breaks off, open the spacing groove through the ejector pad, then it is ejecting to install the swivel nut from the bottom, then separately two installation swivel nuts, separate after with the bolt clearance that breaks, it is very convenient.

Description

Knife rest for numerical control machine tool

Technical Field

The utility model relates to a knife rest technical field especially relates to a knife rest for digit control machine tool.

Background

The tool rest is a very important part of the numerical control lathe. The number of the tools which can be arranged on the tool rest of the numerical control lathe is 4, 6, 8, 10, 12, 20 and 24, and some numerical control lathes can be provided with more tools. The structural form of the tool rest can be divided into a rotary type and a straight-line type. The tool is usually a rotary type, the tool is arranged on a tool rest along the circumferential direction, and can be provided with a radial lathe tool, an axial lathe tool, a drill bit and a boring tool, and a turning center can also be provided with an axial milling cutter and a radial milling cutter; the tool rests of a few numerical control lathes are in a straight line, and the tools are arranged along a straight line. The numerical control lathe can be provided with two tool rests; the special tool rest is developed by a lathe manufacturer, and the used tool shank is also special. The advantage of such a blade holder is that it is inexpensive to manufacture, but lacks versatility. The universal tool rest is produced according to a certain universal standard, and a numerical control lathe manufacturer can select and configure the universal tool rest according to the functional requirements of the numerical control lathe. The domestic numerical control lathe is developed to medium and high grade in the future, the medium grade adopts a popular numerical control tool rest to be matched, the high grade adopts a power tool rest and also has the varieties of hydraulic tool rests, servo tool rests, vertical tool rests and the like, and the demand can reach 10000-50000 in recent years;

at present, the knife rest that digit control machine tool most used in the market all comes fixed cutter through the bolt, but the screw is easy emergence fracture in long-time use, leads to fixed screw hole jam with, and the bolt after the fracture is difficult to clear up out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tool rest for a numerical control machine tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cutter rest for a numerical control machine tool comprises a main body, wherein a lower cutter rest is arranged at the top of the main body, a fixed block is fixedly connected to the top of the lower cutter rest, an upper cutter rest is fixedly connected to the outer surface of the fixed block, a plurality of placing holes are uniformly formed in the edge of the top of the upper cutter rest and vertically penetrate through the top of the upper cutter rest to extend to the bottom, two mounting screw sleeves are arranged in each placing hole, limiting grooves are formed in two sides of the inner surface of each placing hole and communicated with the top of the upper cutter rest, two limiting strips are arranged in each limiting groove and fixedly connected with the mounting screw sleeves, spring cavities are formed in the tops of the limiting grooves on one sides far away from the placing holes, compression springs are fixedly connected to the ends far away from the limiting grooves in the spring cavities, and limiting plates are fixedly connected to the ends, close to the limiting grooves, of the compression springs, it is a plurality of the limiting plate is kept away from the equal fixedly connected with spacing pin of compression spring's one end, and the inside that spacing pin run through the spring cavity chamber perpendicularly extends to the inside of spacing groove, and is a plurality of one side fixedly connected with ejector pad of limiting plate is kept away from at the top of spacing pin.

As a further description of the above technical solution:

the outer surface one side of main part is equipped with the connecting rod, the one end that the main part was kept away from to the connecting rod is equipped with driving motor.

As a further description of the above technical solution:

the inner surfaces of the installation thread sleeves are connected with fixing bolts in a threaded mode.

As a further description of the above technical solution:

the top of fixed block is equipped with fixed lid, common fixedly connected with screw between fixed lid and the upper knife rest.

As a further description of the above technical solution:

and the limiting strips and the mounting thread sleeves are connected through welding.

As a further description of the above technical solution:

and the top of the lower tool rest is provided with an anti-skid groove.

The utility model discloses following beneficial effect has:

this knife rest for digit control machine tool through installation swivel nut, spacing, place hole, spacing groove, spring cavity, compression spring, limiting plate, spacing pin and the push rod that sets up, when fixing bolt breaks off, opens the spacing groove through the ejector pad, then will install the swivel nut ejecting from the bottom, then separately two installation swivel nuts, after separately clearing up the bolt that breaks, it is very convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is an enlarged view of the position B of the present invention.

Illustration of the drawings:

1. a main body; 2. a lower tool rest; 3. a fixed block; 4. fixing the bolt; 5. an upper tool rest; 6. a fixed cover; 7. a connecting rod; 8. a drive motor; 9. installing a threaded sleeve; 10. a limiting strip; 11. a limiting groove; 12. placing holes; 13. a compression spring; 14. a limiting plate; 15. a spring chamber; 16. a limit stop lever; 17. and (7) pushing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a knife rest for a numerical control machine tool comprises a main body 1, a lower knife rest 2 is arranged at the top of the main body 1, a fixed block 3 is fixedly connected at the top of the lower knife rest 2, an upper knife rest 5 is fixedly connected at the outer surface of the fixed block 3, a plurality of placing holes 12 are uniformly formed in the edge of the top of the upper knife rest 5, the placing holes 12 vertically penetrate through the top of the upper knife rest 5 and extend to the bottom, two mounting screw sleeves 9 are arranged inside the placing holes 12, limiting grooves 11 are formed in two sides of the inner surface of the placing holes 12, the limiting grooves 11 are communicated with the top of the upper knife rest 5, two limiting strips 10 are arranged inside the limiting grooves 11, the limiting strips 10 are fixedly connected with the mounting screw sleeves 9, spring cavities 15 are formed in the tops of the sides, away from the placing holes 12, of the limiting grooves 11, compression springs 13 are fixedly connected at one ends, away from the limiting grooves 11, inside the spring cavities 15, the equal fixedly connected with limiting plate 14 of one end that a plurality of compression springs 13 are close to spacing groove 11, the equal fixedly connected with spacing pin 16 of one end that a plurality of limiting plates 14 keep away from compression springs 13, and the inside that spacing pin 16 runs through spring cavity 15 perpendicularly extends to the inside of spacing groove 11, and one side fixedly connected with ejector pad 17 of limiting plate 14 is kept away from at the top of a plurality of spacing pins 16.

A connecting rod 7 is arranged on one side of the outer surface of the main body 1, and a driving motor 8 is arranged at one end, far away from the main body 1, of the connecting rod 7, so that the whole tool rest can be conveniently driven; the inner surfaces of the mounting screw sleeves 9 are in threaded connection with fixing bolts 4, so that the cutter can be fixed conveniently in use; the top of the fixed block 3 is provided with a fixed cover 6, so that each part inside the fixed block can be protected conveniently, a screw is fixedly connected between the fixed cover 6 and the upper tool rest 5 together, the screw is made of stainless steel, and the stainless steel has rust resistance, so that the service life of the screw is effectively prolonged; the plurality of limiting strips 10 are connected with the installation thread sleeves 9 through welding, the welding joints are firm and durable, the joint strength and tightness are high, joint accessories are not needed, the cost is low, and frequent management is not needed in use; the top of lower tool rest 2 is equipped with anti-skidding groove, can effectively increase the frictional force between cutter and the lower tool rest 2, prevents that the phenomenon of skidding from appearing in use in the cutter.

The working principle is as follows: when using the knife rest for the digit control machine tool, at first place installation swivel nut 9 into with spacing strip 10 alignment spacing groove 11 and place the hole 12 in, then spacing pin 16 seals the top of spacing groove 11 under compression spring 13's effect, screwing in installation swivel nut 9 with fixing bolt 4 this moment, when fixing bolt 4 breaks, push limiting pin 16 into the inside of spring cavity 15 through ejector pad 17 and open spacing groove 11, then ejecting installation swivel nut 9 from the bottom of lower knife rest 2, then separate adjacent installation swivel nut 9, clear up out cracked fixing bolt 4 at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a knife rest for digit control machine tool, includes main part (1), its characterized in that: the spring tool is characterized in that a lower tool rest (2) is arranged at the top of the main body (1), a fixing block (3) is fixedly connected to the top of the lower tool rest (2), an upper tool rest (5) is fixedly connected to the outer surface of the fixing block (3), a plurality of placing holes (12) are uniformly formed in the edge of the top of the upper tool rest (5), the placing holes (12) vertically penetrate through the top of the upper tool rest (5) and extend to the bottom of the upper tool rest, two mounting thread sleeves (9) are arranged in the placing holes (12), limiting grooves (11) are formed in two sides of the inner surface of the placing holes (12), the limiting grooves (11) are communicated with the top of the upper tool rest (5), two limiting strips (10) are arranged in the limiting grooves (11), the limiting strips (10) are fixedly connected with the mounting thread sleeves (9), spring cavities (15) are formed in the tops of the limiting grooves (11) far away from the placing holes (12), it is a plurality of the inside of spring chamber (15) is kept away from the equal fixedly connected with compression spring (13) of one end of spacing groove (11), and is a plurality of the equal fixedly connected with limiting plate (14) of one end that compression spring (13) were kept away from in compression spring (13), and is a plurality of the equal fixedly connected with spacing pin (16) of one end that compression spring (13) were kept away from in limiting plate (14), and the inside that spacing pin (16) run through spring chamber (15) perpendicularly extends to the inside of spacing groove (11), and is a plurality of one side fixedly connected with ejector pad (17) of limiting plate (14) are kept away from at the top of spacing pin (16).

2. The tool post for a numerical control machine tool according to claim 1, wherein: the outer surface one side of main part (1) is equipped with connecting rod (7), the one end that main part (1) was kept away from in connecting rod (7) is equipped with driving motor (8).

3. The tool post for a numerical control machine tool according to claim 1, wherein: the inner surfaces of the installation thread sleeves (9) are all in threaded connection with fixing bolts (4).

4. The tool post for a numerical control machine tool according to claim 1, wherein: the top of fixed block (3) is equipped with fixed lid (6), common fixedly connected with screw between fixed lid (6) and last knife rest (5).

5. The tool post for a numerical control machine tool according to claim 1, wherein: the limiting strips (10) are connected with the installation thread sleeves (9) through welding.

6. The tool post for a numerical control machine tool according to claim 1, wherein: and the top of the lower tool rest (2) is provided with an anti-skid groove.