CN209190276U - A CNC machine tool for machining special-shaped cutting tools - Google Patents

Abstract

The utility model discloses a numerical control machine tool machining special-shaped cutter, which comprises a cutter holder, wherein the front side of the upper surface of the cutter holder is provided with a mounting groove, the inner rear side of the mounting groove is provided with a positioning opening, the inner side surface of the mounting groove is fixedly provided with a cutter through a mounting screw, the rear side surface of the cutter is provided with a positioning block, the middle position of the upper surface of the cutter holder is provided with an adjusting groove, the rear end of the inner side surface of the adjusting groove is provided with a connecting jack, the inner side surface of the connecting jack is slidably connected with a guide rod, the inner rear end of the guide rod is fixedly arranged on the inner side surface of the adjusting groove through a fixing screw, the front side of the outer surface of the guide rod is slidably connected with an adjusting block through a through hole, the upper surface of the adjusting block is slidably connected with the front end of, the service life and the precision of the cutter are ensured.

Description

A CNC machine tool for machining special-shaped cutting tools

technical field

The utility model relates to the technical field of cutters, in particular to a CNC machine tool for processing special-shaped cutters.

Background technique

In the current machining process, the use of CNC machine tools is very common, and when CNC machine tools perform machining operations, they all use cutting tools for cutting work.

However, the existing structure of CNC machine tool tools still has some shortcomings in actual use. For example, the tools are mostly simply installed on the tool holder by screws, which lacks a positioning protection structure, not only the installation is not firm, but also damaged and broken. At the same time, when the tool holder is fixed, it is mostly directly pressed to the tool holder. If it is not tight, it cannot assist positioning, and it is directly pressed to the tool holder by screws. Repeated operations for a long time, It is easy to cause local deformation and wear, which affects the pressing stability and the position accuracy of the connection, and the use stability is poor.

SUMMARY OF THE INVENTION

The purpose of this utility model is to provide a CNC machine tool for machining special-shaped cutters, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a CNC machine tool for processing special-shaped tools, including a tool seat, a mounting groove is provided on the front side of the upper surface of the tool seat, and a positioning groove is provided on the inner rear side of the mounting groove. A gap, the inner surface of the installation groove is fixed with a tool through the installation screw, the rear side surface of the tool is provided with a positioning block, and the outer surface of the positioning block is slidably connected to the inner surface of the positioning gap;

The middle position of the upper surface of the knife seat is provided with an adjustment groove, and the rear end of the inner surface of the adjustment groove is provided with a connecting socket, and the inner surface of the connecting socket is slidably connected with a guide rod, and the guide rod The inner rear end is fixed and installed on the inner surface of the adjustment groove by fixing screws;

The rear end of the outer surface of the guide rod is slidably sleeved with a tightening spring, and the outer front side of the guide rod is slidably connected to an adjustment block through a through hole, and the outer surface of the adjustment block is slidably connected to the inner surface of the adjustment groove , the upper surface of the adjustment block is slidably connected to the front end of the upper surface of the knife seat through the protective plate.

Preferably, the length of the guide rod is not greater than the transverse length of the adjustment groove.

Preferably, the rear side surface of the knife seat is slidably connected to a limiting plate, the upper surface of the limiting plate is fixedly connected with an auxiliary pressure plate, the lower surface of the auxiliary pressure plate is slidably connected to the upper surface of the knife seat, and the auxiliary pressure plate is fixedly connected to the upper surface of the knife seat. The upper surface of the pressing plate is provided with a pressing block, and the inner rear end of the auxiliary pressing plate is provided with a connecting positioning hole.

Preferably, the rear side of the upper surface of the knife seat is provided with a connecting positioning groove, and the inner side surfaces of the connecting positioning groove are provided with positioning card grooves, and the inner surface of the connecting positioning groove is slidably connected with a connecting positioning block, The outer upper end of the connecting positioning block is slidably connected to the inner surface of the connecting positioning hole.

Preferably, avoidance grooves are provided on both sides of the connection positioning block, the inner surface of the avoidance groove is hinged with a positioning rod, and the outer surface of the positioning rod is clamped to the inner surface of the positioning card groove through the positioning chuck. , the inner surface of the positioning rod is fixedly connected with a supporting spring.

Compared with the prior art, the beneficial effect of the utility model is that the special-shaped tool processed by the CNC machine tool is fixed through the installation groove with a positioning gap, and the protection plate combined with the sliding connection is covered and pressed, which can ensure stability and safety. At the same time, the protective plate is easy to disassemble and maintain, and the tool holder is connected through the auxiliary pressure plate with the limit plate, combined with the auxiliary positioning block to ensure the contact surface during pressing, and avoid local deformation and wear of the tool holder, which can greatly improve The safe and stable use ensures the service life and precision of the tool.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a partial top view of the tool connection of the present utility model;

Fig. 3 is the structural schematic diagram that the protective plate of the present invention is installed;

Fig. 4 is a partial schematic diagram of the connection of the connection positioning block of the present invention.

In the figure: 1 knife seat, 11 installation slot, 12 positioning gap, 13 installation screw, 14 tool, 15 positioning block, 16 adjustment groove, 17 connection jack, 18 guide rod, 19 fixing screw, 2 top tension spring, 21 Through hole, 22 adjustment block, 23 protection plate, 24 limit plate, 25 auxiliary pressure plate, 26 compression block, 27 connection positioning hole, 3 connection positioning slot, 31 positioning card slot, 32 connection positioning block, 33 avoidance slot, 34 positioning rods, 35 positioning chucks, 36 support springs.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, the utility model provides a technical solution: a CNC machine tool for processing special-shaped tools, including a tool seat 1, the front side of the upper surface of the tool seat 1 is provided with a mounting groove 11, and the inner rear side of the mounting groove 11 A positioning notch 12 is provided, and the inner surface of the mounting groove 11 is fixedly equipped with a cutter 14 through a mounting screw 13. The rear side surface of the cutter 14 is provided with a positioning block 15, and the outer surface of the positioning block 15 is slidably connected to the inner surface of the positioning notch 12. In this way, the cutter 14 can be installed, and at the same time, it can be connected in a limited position to ensure the stability of the position connection and avoid shaking;

An adjustment groove 16 is provided at the middle position of the upper surface of the tool holder 1, and a connection socket 17 is provided at the rear end of the inner surface of the adjustment groove 16, and the inner surface of the connection socket 17 is slidably connected with a guide rod 18, and the split structure is convenient for installation and disassembly, which is beneficial to maintenance and replacement, and improves adaptability and service life. The inner rear end of the guide rod 18 is fixedly installed on the inner surface of the adjustment groove 16 through the fixing screw 19;

The rear end of the outer surface of the guide rod 18 is slidingly sleeved with a tightening spring 2, which can tighten the adjustment block 22 forward, thereby ensuring the stability of the protection plate 23, and can cover the rear end of the cutter 14, even if it breaks, it can be lifted. To block, avoid upward collapse and improve safety, the outer front side of the guide rod 18 is slidably connected with the adjustment block 22 through the through hole 21, the outer surface of the adjustment block 22 is slidably connected to the inner surface of the adjustment groove 16, and the adjustment block The upper surface of 22 is slidably connected to the front end of the upper surface of knife holder 1 through protective plate 23 .

The length of the guide rod 18 is not greater than the transverse length of the adjustment groove 16, so that the guide rod 18 is conveniently inserted into the connecting socket 17 after being placed inside, so as to avoid interference.

The rear side surface of the knife holder 1 is slidingly connected with the limit plate 24, and the upper surface of the limit plate 24 is fixedly connected with an auxiliary pressure plate 25, which can limit the position from the rear end and press and fix it from the upper end at the same time, and the compression screw will not directly contact the knife. Seat 1, can increase the contact area of pressing, the surface is partially deformed and worn, improves safety and stability, and ensures service life. The inner rear end of the tight stopper 26 and the auxiliary pressing plate 25 is provided with a connecting positioning hole 27 .

The rear side of the upper surface of the tool holder 1 is provided with a connecting positioning groove 3, and the inner side surfaces of the connecting positioning groove 3 are all provided with a positioning card groove 31, and the inner surface of the connecting positioning groove 3 is slidably connected with a connecting positioning block 32, and the connecting positioning block The outer upper end of 32 is slidably connected to the inner surface of the connecting positioning hole 27, which can limit the auxiliary pressing plate 25, avoid movement, and improve the stability of pressing and positioning.

The both side surfaces of connection positioning block 32 are all provided with avoidance groove 33, and the inboard surface of avoidance groove 33 is hinged with positioning bar 34, and the outer surface of positioning bar 34 is clamped in the inboard surface of positioning card groove 31 by positioning chuck 35, and positioning The inner surface of the rod 34 is fixedly connected with a support spring 36, which can be clamped and positioned to avoid falling off and improve the stability of the connection limit.

When the utility model is actually implemented: when installing, the protective plate 23 can be pushed backwards, and the adjusting block 22 can slide backward along the guide rod 18, the protective plate 23 is separated from the front end, and the installation groove 11 is exposed, and the cutter 14 can be placed in the Inside the installation groove 11, the positioning block 15 is snapped into the positioning gap 12 to ensure the position accuracy, and then it can be fixed by the mounting screw 13, and then the spring 2 is pressed forward to tighten the adjustment block 22, and the protection plate 23 can be reset and covered The rear side of the tool 14 can be covered and protected without affecting the cutting of the end of the tool 14, which is stable and efficient. When installed on the tool holder, the connecting positioning block 32 can be inserted into the connecting positioning groove 3 to support the spring 36 tightens the positioning rod 34 to both sides, and the positioning chuck 35 snaps into the internal limit of the positioning slot 31, which can prevent the connecting positioning block 32 from coming out and ensure safety and stability. The positioning hole 27 is connected with the upper end of the connecting positioning block 32 to limit the movement, and then the auxiliary pressure plate 25 can be pressed by the compression screw, and the side of the compression screw can be pressed by the compression stopper 26 to limit the position laterally to ensure safety. and improve the stability of use.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A CNC machine tool for processing special-shaped tools, including a tool seat (1), characterized in that: the front side of the upper surface of the tool seat (1) is provided with a mounting groove (11), and the inside of the mounting groove (11) The rear side is provided with a positioning gap (12), the inner surface of the installation groove (11) is fixed with a cutter (14) through the installation screw (13), and the rear surface of the cutter (14) is provided with a positioning block (15 ), the outer surface of the positioning block (15) is slidably connected to the inner surface of the positioning notch (12); An adjustment groove (16) is provided at the middle position of the upper surface of the knife holder (1), and a connection socket (17) is provided at the rear end of the inner surface of the adjustment groove (16), and the connection socket (17) ) is slidingly connected with a guide rod (18) on the inner surface, and the inner rear end of the guide rod (18) is fixedly installed on the inner surface of the adjustment groove (16) through a fixing screw (19); The rear end of the outer surface of the guide rod (18) is slidingly sleeved with a clamping spring (2), and the outer front side of the guide rod (18) is slidably connected with an adjustment block (22) through a through hole (21). The outer surface of the adjustment block (22) is slidably connected to the inner surface of the adjustment groove (16), and the upper surface of the adjustment block (22) is slidably connected to the front end of the upper surface of the knife seat (1) through the protective plate (23) . 2. A special-shaped tool for CNC machine tool processing according to claim 1, characterized in that: the length of the guide rod (18) is not greater than the transverse length of the adjustment groove (16). 3. A special-shaped cutting tool for CNC machine tool processing according to claim 1, characterized in that: the rear side surface of the tool seat (1) is slidingly connected to the limiting plate (24), and the limiting plate (24) The upper surface is fixedly connected with an auxiliary pressure plate (25), the lower surface of the auxiliary pressure plate (25) is slidably connected to the upper surface of the knife seat (1), and the upper surface of the auxiliary pressure plate (25) is provided with a compression block ( 26), the inner rear end of the auxiliary pressure plate (25) is provided with a connection positioning hole (27). 4. A CNC machine tool for processing special-shaped tools according to claim 1, characterized in that: the rear side of the upper surface of the tool seat (1) is provided with a connecting positioning groove (3), and the connecting positioning groove (3) There are positioning slots (31) on both sides of the inner surface of the connecting positioning slot (3), and a connecting positioning block (32) is slidably connected to the inner surface of the connecting positioning slot (3), and the outer upper end of the connecting positioning block (32) is slidably connected to on the inside surface of the connecting positioning hole (27). 5. A special-shaped cutting tool for CNC machine tool processing according to claim 4, characterized in that: the two side surfaces of the connecting positioning block (32) are provided with avoidance grooves (33), and the avoidance grooves (33) The inner surface is hinged with a positioning rod (34), the outer surface of the positioning rod (34) is clamped to the inner surface of the positioning slot (31) through the positioning chuck (35), and the inner surface of the positioning rod (34) Fixedly connected with support spring (36).