CN211539520U - Cutter protection device for machining of numerical control machine tool - Google Patents

Abstract

The utility model discloses a cutter protection device is used in digit control machine tool processing, including first fixed block, second fixed block, third fixed block and fourth fixed block, first fixed block, second fixed block, fourth fixed block and third fixed block from bottom to top arrange in proper order, the second fixed orifices has been seted up on the handle of a knife, be provided with the handle of a knife between second fixed block and the third fixed block, the upper surface that the inside of third fixed block is located the handle of a knife is provided with stabilising arrangement, the end of handle of a knife is located and is provided with positioner between second fixed block and the third fixed block. A cutter protection device for numerical control machine tool machining, can play the cushioning effect when cutter and work piece contact through stabilising arrangement, simultaneously can be fixed more firm when fixed handle of a knife, can be with the better clamping of handle of a knife between second fixed block and third fixed block through positioner, and can avoid placing the handle of a knife when the cutting and take place the skew, improve the machining precision.

Description

Cutter protection device for machining of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool auxiliary device field, in particular to cutter protection device is used in digit control machine tool processing.

Background

The numerically controlled machine tool is an automatic machine tool with program control system, which can logically process and decode the program defined by control code or other symbolic instructions, and the decoded program is digitally represented by code, and then input to the numerically controlled machine tool via information carrier, and the numerically controlled machine tool sends out various control signals to control the action of the machine tool, so as to machine parts automatically according to the required shape and size of the drawing. However, the existing tool has certain disadvantages in machining, the tool is just in contact with a workpiece during machining, the vibration is large, the stability is poor, the machining precision is affected, and the tool is troublesome to position and easy to deviate during machining when being fixed.

Disclosure of Invention

The utility model discloses a main aim at provides a cutter protection device for numerical control machine tool machining can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cutter protection device is used in digit control machine tool processing, includes first fixed block, second fixed block, third fixed block and fourth fixed block, first fixed block, second fixed block, fourth fixed block and third fixed block from bottom to top arrange in proper order, the second fixed orifices has been seted up on the third fixed block, be provided with the handle of a knife between second fixed block and the third fixed block, the upper surface that the inside of third fixed block is located the handle of a knife is provided with stabilising arrangement, the end of handle of a knife is located and is provided with positioner between second fixed block and the third fixed block.

Preferably, stabilising arrangement includes first fixing bolt, first fixed chamber, roof, expanding spring, dead lever, preformed groove and wedge, it is provided with first fixing bolt to lie in second fixed orifices department on the third fixed block, the below that lies in first fixing bolt in the third fixed block is provided with the wedge, preformed groove and first fixed chamber have been seted up on wedge and the third fixed block respectively, be provided with the dead lever in the preformed groove, be provided with expanding spring on the dead lever, and the top welding of dead lever has the roof, and the roof contacts with the third fixed block.

Preferably, the positioning device comprises a second fixing bolt, a latch, a fixing fixture block and a positioning fixture block, the fixing fixture block is arranged at the tail end of the knife handle, the positioning fixture block is arranged between the third fixing block and the second fixing block, the positioning fixture block is matched with the fixing fixture block through the latch, and the positioning fixture block is tightly pressed with the fixing fixture block through the second fixing bolt.

Preferably, a cutter disc is arranged on the third fixing block, and first fixing holes are formed in four corners of the first fixing block.

Preferably, the cutter handle is provided with a cutter head, and the cutter handle rotates around the axis of the cutter head.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with stabilising arrangement, can play the cushioning effect when cutter and work piece contact through stabilising arrangement, simultaneously can fix when fixed handle of a knife more firm, be provided with positioner, can be with the better clamping of handle of a knife between second fixed block and third fixed block through positioner, and can avoid placing the handle of a knife when the cutting and take place the skew, improve the machining precision.

Drawings

Fig. 1 is a schematic view of the overall structure of the cutter protection device for machining of the numerical control machine tool of the present invention;

FIG. 2 is a schematic view of a tool holder clamping device of the tool protection device for machining of the numerical control machine tool of the present invention;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is a schematic view of the positioning device of the cutter protection device for machining of the numerical control machine tool of the present invention.

In the figure: 1. a first fixed block; 2. a second fixed block; 3. a third fixed block; 4. a first fixing hole; 5. a cutter head; 6. a stabilizing device; 601. a first fixing bolt; 602. a first fixed cavity; 603. a top plate; 604. a tension spring; 605. fixing the rod; 606. reserving a groove; 607. a wedge block; 7. a knife handle; 8. a cutter head; 9. a fourth fixed block; 10. a positioning device; 1001. a second fixing bolt; 1002. clamping teeth; 1003. fixing the fixture block; 1004. positioning a fixture block; 11. and a second fixing hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-4, a cutter protection device for machining of a numerical control machine tool comprises a first fixed block 1, a second fixed block 2, a third fixed block 3 and a fourth fixed block 9, wherein the first fixed block 1, the second fixed block 2, the fourth fixed block 9 and the third fixed block 3 are sequentially arranged from bottom to top, a second fixed hole 11 is formed in the third fixed block 3, a tool shank 7 is arranged between the second fixed block 2 and the third fixed block 3, a stabilizing device 6 is arranged on the upper surface, located on the tool shank 7, of the inside of the third fixed block 3, and a positioning device 10 is arranged at the tail end of the tool shank 7 and located between the second fixed block 2 and the third fixed block 3.

The stabilizing device 6 comprises a first fixing bolt 601, a first fixing cavity 602, a top plate 603, a telescopic spring 604, a fixing rod 605, a reserved groove 606 and a wedge block 607, the first fixing bolt 601 is arranged at the position, located at the second fixing hole 11, of the third fixing block 3, the wedge block 607 is arranged below the first fixing bolt 601 in the third fixing block 3, the reserved groove 606 and the first fixing cavity 602 are respectively formed in the wedge block 607 and the third fixing block 3, the fixing rod 605 is arranged in the reserved groove 606, the telescopic spring 604 is arranged on the fixing rod 605, the top end of the fixing rod 605 is welded with the top plate 603, and the top plate 603 is in contact with the third fixing block 3; the positioning device 10 comprises a second fixing bolt 1001, a latch 1002, a fixing latch 1003 and a positioning latch 1004, the tail end of the shank 7 is provided with the fixing latch 1003, the positioning latch 1004 is arranged between the third fixing block 3 and the second fixing block 2, the positioning latch 1004 is matched with the fixing latch 1003 through the latch 1002, and the positioning latch 1004 is tightly pressed with the fixing latch 1003 through the second fixing bolt 1001; a cutter head 5 is arranged on the third fixed block 3, and first fixed holes 4 are formed in four corners of the first fixed block 1; the cutter handle 7 is provided with a cutter head 8, and the cutter handle 7 rotates around the axis of the cutter head 5.

It should be noted that, the utility model relates to a cutter protection device for numerical control machine tool machining, before machining, check whether the bolt in the first fixed hole 4 is fixed firmly with the first fixed block 1 and the equipment, when machining, install the cutter in the vertical tool magazine, at this moment, put the handle 7 of the cutter between the second fixed block 2 and the third fixed block 3, then insert the stabilizing device 6 into the gap between the handle 7 and the third fixed block 3, then determine the length of the tool bit 8 extending out of the tool magazine, and match the fixed fixture block 1003 on the handle 7 with the positioning fixture block 1004 through the latch 1002, screw the second fixed bolt 1001 on the third fixed block 3 along the second fixed hole 11, so that the second fixed bolt 1001 compresses the positioning fixture block 1004 with the fixed fixture block 1003, at this moment, the handle 7 can be prevented from moving along the second fixed block 2 and the third fixed block 3 through the positioning device 10 during cutting, then, the first fixing bolt 601 on the third fixing block 3 is screwed along the second fixing hole 11, at this time, the wedge 607 compresses the tool shank 7, when the workpiece is cut, when the tool bit 8 of the tool contacts with the workpiece, the tool bit 8 is impacted, the wedge 607 compresses the tool shank 7, and when the first fixing bolt 601 loosens, the top plate 603 on the fixing rod 605 can be pushed to move by the telescopic spring 604 between the preformed groove 606 and the first fixing cavity 602, so that the wedge block 607 is prevented from moving due to the loosening of the first fixing bolt 601, a buffer effect can be achieved when the tool is in contact with a workpiece, meanwhile, the fixed knife handle 7 can be firmer, when the knife is changed, the knife handle 7 and the knife head 8 can rotate together with the knife disc 5 when the knife is rotated, after the operation is completed, the tool can be removed from the magazine by loosening the first fixing bolt 601 and the second fixing bolt 1001.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a cutter protection device for digit control machine tool machining which characterized in that: including first fixed block (1), second fixed block (2), third fixed block (3) and fourth fixed block (9), first fixed block (1), second fixed block (2), fourth fixed block (9) and third fixed block (3) from bottom to top arrange in proper order, second fixed orifices (11) have been seted up on third fixed block (3), be provided with handle of a knife (7) between second fixed block (2) and third fixed block (3), the inside upper surface that is located handle of a knife (7) of third fixed block (3) is provided with stabilising arrangement (6), the end of handle of a knife (7) is located and is provided with positioner (10) between second fixed block (2) and third fixed block (3).

2. The tool protector for numerically-controlled machine tool machining according to claim 1, wherein: stabilising arrangement (6) include first fixing bolt (601), first fixed chamber (602), roof (603), expanding spring (604), dead lever (605), reserve groove (606) and wedge (607), it is provided with first fixing bolt (601) to lie in second fixed orifices (11) department on third fixed block (3), the below that lies in first fixing bolt (601) in third fixed block (3) is provided with wedge (607), reserve groove (606) and first fixed chamber (602) have been seted up respectively on wedge (607) and third fixed block (3), be provided with dead lever (605) in reserve groove (606), be provided with expanding spring (604) on dead lever (605), and the top welding of dead lever (605) has roof (603), and roof (603) and third fixed block (3) contact.

3. The tool protector for numerically-controlled machine tool machining according to claim 1, wherein: the positioning device (10) comprises a second fixing bolt (1001), a clamping tooth (1002), a fixing clamping block (1003) and a positioning clamping block (1004), the fixing clamping block (1003) is arranged at the tail end of the tool shank (7), the positioning clamping block (1004) is arranged between the third fixing block (3) and the second fixing block (2), the positioning clamping block (1004) is matched with the fixing clamping block (1003) through the clamping tooth (1002), and the positioning clamping block (1004) is tightly pressed with the fixing clamping block (1003) through the second fixing bolt (1001).

4. The tool protector for numerically-controlled machine tool machining according to claim 1, wherein: the cutter head (5) is arranged on the third fixing block (3), and first fixing holes (4) are formed in four corners of the first fixing block (1).

5. The tool protector for numerically-controlled machine tool machining according to claim 1, wherein: the cutter is characterized in that a cutter head (8) is arranged on the cutter handle (7), and the cutter handle (7) rotates around the axis of the cutter head (5).

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