CN210755232U

CN210755232U - Cutting tool bit for CNC (computerized numerical control) lathe

Info

Publication number: CN210755232U
Application number: CN201921933105.7U
Authority: CN
Inventors: 曹辉
Original assignee: Suzhou Jiaxu Precision Hardware Co ltd
Current assignee: Suzhou Jiaxu Precision Hardware Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-06-16
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a cutting tool bit for CNC numerically controlled lathe, which comprises a cutter head shell and a cutter head inner shell, wherein the cutter head inner shell is fixedly arranged at the middle position inside the cutter head shell, a fixing screw is arranged inside the cutter head inner shell, the fixation of a metal tool bit can be well enhanced through a side fixer, the occurrence of tool bouncing is effectively avoided, thereby ensuring the quality and the processing safety of a workpiece during processing, a hollow circular ring of the side fixer is connected on the cutter head shell through a metal screw, thereby being more convenient during mounting and dismounting, a metal connecting block is welded with the hollow circular ring, thereby leading an inclined metal connecting block to have good pressing fixing force, and the metal connecting block passes through a fixing claw foot at the front end, leading the outer side of the metal tool bit to be well buckled, leading the fixation to be more stable, and the fixing claw foot passes through a limiting groove inside, make spacing fixed that can be fine to avoid appearing rocking, make processing more convenient.

Description

Cutting tool bit for CNC (computerized numerical control) lathe

Technical Field

The utility model belongs to the technical field of relevant numerical control lathe, concretely relates to CNC is cutting tool bit for numerical control lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like. The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance. The machining process route, process parameters, tool motion track, displacement, cutting parameters and auxiliary functions of the part are compiled into a machining program list according to instruction codes and program formats specified by the numerical control machine, and then the content in the program list is recorded on a control medium and then input into a numerical control device of the numerical control machine, so that the machine tool is instructed to machine the part.

The existing cutting tool bit technology for CNC lathe has the following problems: the cutting tool bit for the existing CNC (computer numerical control) lathe is not very stable in fixation, so that the situation of tool bouncing easily occurs in cutting, and the problem of workpiece or tool bit damage is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CNC is cutting tool bit for numerical control lathe to solve the current cutting tool bit for CNC numerical control lathe who proposes in the above-mentioned background art when fixed, it is very stable not to fix, thereby in the cutting, the condition of playing the sword appears easily, causes the problem that work piece or tool bit damaged like this easily.

In order to achieve the above object, the utility model provides a following technical scheme:

a cutting tool bit for a CNC (computerized numerical control) lathe comprises a cutter head outer shell and a cutter head inner shell, wherein the cutter head inner shell is fixedly arranged at the middle position inside the cutter head outer shell, a fixing screw is arranged inside the cutter head inner shell, a metal tool bit is arranged on the outer side of the cutter head outer shell, the cutter head outer shell and the metal tool bit are fixedly connected through a hexagon bolt, a side fixer is arranged on the outer side of the metal tool bit and positioned at a groove of the cutter head outer shell, the side fixer comprises a fixing claw foot, a limiting groove, a metal connecting block, a hollow circular ring and a metal screw, the metal screw is arranged in the middle inside the hollow circular ring, the metal connecting block is arranged on the outer side of the hollow circular ring, the outer end of the metal connecting block is provided with a fixing claw foot, the limiting groove is arranged on the inner side of the fixing, the lower extreme of blade disc shell is provided with handle of a knife upper block, blade disc shell and handle of a knife upper block are through fixed hasp fixed connection, the lower extreme of handle of a knife upper block is provided with the handle of a knife connecting block, the lower extreme of handle of a knife connecting block is provided with handle of a knife lower block.

Preferably, the metal cutter head comprises a cutter head shell, an inner screw hole and a limiting bump, the inner screw hole is formed in the middle of the inner portion of the cutter head shell, the limiting bump is arranged on the upper portion of the rear end of the cutter head shell, the cutter head shell is connected to the cutter head shell, and the limiting bump is connected to the side position fixator.

Preferably, the fixing screw comprises a metal rod head, an intermediate connecting rod and a fixing long rod, the intermediate connecting rod is arranged at the lower end of the metal rod head, the fixing long rod is arranged at the lower end of the intermediate connecting rod, and the fixing long rod is connected to the upper block of the knife handle.

Preferably, the number of the metal cutter heads is four, and the equal angles of the metal cutter heads are fixed on the outer side of the cutter head shell.

Preferably, the outer shape of the lower end of the cutter head shell is equal to the outer shape of the upper end of the cutter handle upper block, and the outer sides of the joints of the cutter head shell and the cutter handle upper block are in the same straight line.

Preferably, the number of the fixed lock catches is two, and the fixed lock catches are symmetrically fixed at the connecting position of the cutter head shell and the cutter handle upper block.

Preferably, the fixing screw rod is an axial center, and two ends of the fixing screw rod are in a symmetrical state.

Preferably, the cutter head inner shell is cylindrical, and the inside of the cutter head inner shell is in a hollow state.

Compared with the prior art, the utility model provides a CNC is cutting tool bit for numerical control lathe possesses following beneficial effect:

1. the utility model discloses CNC for numerical control lathe cutting tool bit passes through the fixed of the enhancement metal tool bit that side position fixer can be fine, effectively avoids appearing the bullet sword to ensure to add the quality and the processing security of work piece man-hour.

2. The utility model discloses CNC numerical control lathe is with cutting tool bit's side position fixer passes through the inside metal screw connection of cavity ring on the blade disc shell to it is more convenient when the installation is dismantled.

3. The utility model discloses CNC is side position fixer of cutting tool bit for numerically controlled lathe passes through metal connecting block and hollow ring welded connection to make the metal connecting block of slope have fine holding power of pushing down, fixed object that like this can be fine.

4. The utility model discloses CNC numerical control lathe passes through the fixed claw foot of metal connecting block front end with cutting tool's side position fixer for the metal tool bit outside of withholding that can be fine, fix more stability like this.

5. The utility model discloses CNC numerical control lathe is with side position fixer of cutting tool bit passes through the inside spacing recess of fixed claw foot for spacing fixed that can be fine, thereby avoid appearing rocking, effectively ensure the processing quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a cutting head structure for a CNC numerically controlled lathe according to the present invention;

fig. 2 is a schematic structural view of the side fixer of the present invention;

FIG. 3 is a schematic view of a metal tool bit according to the present invention;

fig. 4 is a schematic view of the fixing screw structure provided by the present invention;

in the figure: 1. a lower cutter handle block; 2. a knife handle connecting block; 3. the knife handle is provided with a block; 4. fixing the lock catch; 5. a cutter head shell; 6. a cutter head inner shell; 7. fixing the screw rod; 71. a metal rod head; 72. a middle connecting rod; 73. fixing the long rod; 8. a hexagon bolt; 9. a lateral position fixer; 91. a fixed claw foot; 92. a limiting groove; 93. a metal connecting block; 94. a hollow circular ring; 95. a metal screw; 10. a metal tool bit; 101. a bit housing; 102. an internal screw hole; 103. and a limiting bump.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a CNC is cutting tool bit for numerical control lathe, including blade disc shell 5 and blade disc inner shell 6, blade disc inner shell 6 installation is fixed on the inside intermediate position of blade disc shell 5, blade disc inner shell 6 is cylindrical, and the inside of blade disc inner shell 6 is the cavity state, the inside of blade disc inner shell 6 is provided with clamping screw 7, clamping screw 7 is the axle center, and clamping screw 7's both ends are the symmetric state, clamping screw 7 includes metal pole head 71, intermediate junction pole 72 and fixed long pole 73, metal pole head 71's lower extreme is provided with intermediate junction pole 72, the lower extreme of intermediate junction pole 72 is provided with fixed long pole 73, fixed long pole 73 is connected on handle of a knife upper block 3. When using, because of blade disc inner shell 6 is cylindrical to inside is the cavity state, makes can be fine deposit clamping screw 7, clamping screw 7 is the axle center, and both ends symmetry, and is more stable when using like this, and clamping screw 7's fixed stock 73 threaded connection on handle of a knife upper block 3, makes fixed connection more convenient, and the fixed external instrument that the inboard recess of metal pole head 71 can be fine, thereby rotate fixedly through external instrument can be fine.

The utility model provides a CNC is cutting tool bit for numerical control lathe, the outside including blade disc shell 5 is provided with metal tool bit 10, blade disc shell 5 and metal tool bit 10 pass through 8 fixed connection of hex bolts, metal tool bit 10 is provided with four altogether, and the impartial angle of metal tool bit 10 is fixed on the outside of blade disc shell 5, metal tool bit 10 includes blade bit shell 101, inside screw 102 and spacing lug 103, be provided with inside screw 102 in the middle of the inside of blade bit shell 101, the rear end top of blade bit shell 101 is provided with spacing lug 103, blade bit shell 101 is connected on blade disc shell 5, spacing lug 103 is connected on side position fixer 9. When cutting the work piece, through metal tool bit 10 self hardness, thereby the work piece rotates at a high speed and contacts down, make can cut the work piece well, and blade disc shell 5 and metal tool bit 10 pass through hexagon bolt 8 fixed connection, make the definite fixed mounting position that can be fine, and carry out certain fixed, during the installation, metal tool bit 10 passes through inside screw 102 on the tool bit shell 101, make can be fine fix through hexagon bolt 8, and spacing lug 103 is located side position fixer 9, effectively avoid so rocking about, be convenient for cut the use.

The utility model provides a CNC is cutting tool bit for numerical control lathe, the outside that includes metal tool bit 10 is located and is provided with side position fixer 9 on the groove of blade disc shell 5, side position fixer 9 is including fixed claw foot 91, spacing recess 92, metal connecting block 93, cavity ring 94 and metallic screw 95, be provided with metallic screw 95 in the middle of the inside of cavity ring 94, the outside of cavity ring 94 is provided with metal connecting block 93, the outer end of metal connecting block 93 is provided with fixed claw foot 91, the inboard of fixed claw foot 91 is provided with spacing recess 92, cavity ring 94 passes through metallic screw 95 and connects on blade disc shell 5. After metal tool bit 10 is fixed at the assigned position, strengthen fixedly that can be fine through side position fixer 9, effectively avoid appearing playing the sword, thereby ensure to add the quality and the processing security of work piece man-hour, hollow ring 94 of side position fixer 9 passes through metal screw 95 and connects on cutter head shell 5, thereby it is more convenient when the installation is dismantled, and metal connecting block 93 and hollow ring 94 welded connection, thereby make the metal connecting block 93 of slope have fine pushing down the stationary force, and metal connecting block 93 passes through the fixed claw foot 91 of front end, make can be fine detain the metal tool bit 10 outside, make fixed more stable, and fixed claw foot 91 passes through inside spacing recess 92, make spacing fixed that can be fine, thereby avoid appearing rocking, make processing more convenient.

The utility model provides a CNC is cutting tool bit for numerical control lathe, lower extreme including blade disc shell 5 is provided with handle of a knife upper segment 3, blade disc shell 5 and handle of a knife upper segment 3 are through fixed 4 fixed connection of hasp, fixed hasp 4 is provided with two altogether, and fixed hasp 4 symmetry is fixed on the junction of blade disc shell 5 and handle of a knife upper segment 3, the lower extreme outside shape size of blade disc shell 5 equals with the upper end outside shape size of handle of a knife upper segment 3, and the junction outside of blade disc shell 5 and handle of a knife upper segment 3 is in on the same straight line, the lower extreme of handle of a knife upper segment 3 is provided with handle of a knife connecting block 2, the lower extreme of handle of a knife connecting block 2 is. When fixed, through the handle of a knife that the piece 1 constitutes under handle of a knife upper block 3, handle of a knife connecting block 2 and the handle of a knife to be convenient for fix on the numerical control lathe, the junction outside of blade disc shell 5 and the handle of a knife upper block 3 is in on the same straight line moreover, is difficult for taking place to hinder like this in the installation, and blade disc shell 5 and handle of a knife upper block 3 fix through two fixed hasp 4, make fixed more firm, be difficult for not hard up like this when using.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, just can take the cutting tool bit for CNC numerical control lathe to use on the assigned position. When fixing CNC numerical control lathe with cutting tool bit, through handle of a knife 3, the handle of a knife that piece 1 constitutes under handle of a knife connecting block 2 and the handle of a knife, thereby be convenient for fix on the numerical control lathe, and the junction outside of piece 3 is in on the same straight line on blade disc shell 5 and the handle of a knife, difficult emergence is obstructed in the installation like this, and blade disc shell 5 and handle of a knife are gone up piece 3 and are carried out the outside through two fixed hasp 4 and fix, later carry out central point through clamping screw 7 and put fixedly, thereby make fixed more firm, be difficult for not hard up like this in the cutting. During cutting, the cutter head outer shell 5 on the outer side of the cutter head inner shell 6 can well cut high-speed workpieces through the metal cutter head 10, and the cutting position of the cutter head outer shell 5 can be well changed through rotation of internal equipment of the numerical control lathe, so that workpieces in different shapes can be well machined. During cutting, the metal cutter head 10 is fixed by the hexagon bolt 8 and the side fixer 9, so that the cutting is more stable, the side fixer 9 is composed of the fixed claw feet 91, the limiting groove 92, the metal connecting block 93, the hollow ring 94 and the metal screw 95, the hollow ring 94 of the side fixer 9 is connected on the cutter head shell 5 by the metal screw 95, so that the installation and the disassembly are more convenient, the metal connecting block 93 and the hollow ring 94 are welded and connected, so that the inclined metal connecting block 93 has good pressing fixing force, the metal connecting block 93 passes through the fixed claw feet 91 at the front end, so that the outer side of the metal cutter head 10 can be well buckled, the fixing is more stable, the fixed claw feet 91 pass through the inner limiting groove 92, so that the limiting fixing can be well, and the shaking is avoided, so that the processing is more convenient.

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

Claims

1. The utility model provides a CNC is cutting tool bit for numerically controlled lathe, includes blade disc outer shell (5) and blade disc inner shell (6), its characterized in that: the cutter head inner shell (6) is fixedly arranged at the middle position inside the cutter head outer shell (5), a fixing screw rod (7) is arranged inside the cutter head inner shell (6), a metal cutter head (10) is arranged outside the cutter head outer shell (5), the cutter head outer shell (5) and the metal cutter head (10) are fixedly connected through a hexagon bolt (8), a side fixer (9) is arranged at the groove position of the cutter head outer shell (5) outside the metal cutter head (10), the side fixer (9) comprises a fixing claw foot (91), a limiting groove (92), a metal connecting block (93), a hollow circular ring (94) and a metal screw (95), the metal screw (95) is arranged in the middle inside the hollow circular ring (94), the metal connecting block (93) is arranged outside the hollow circular ring (94), and the fixing claw foot (91) is arranged at the outer end of the metal connecting block (93), the inboard of fixed claw foot (91) is provided with spacing recess (92), cavity ring (94) are connected on blade disc shell (5) through metal screw (95), the lower extreme of blade disc shell (5) is provided with handle of a knife upper block (3), blade disc shell (5) and handle of a knife upper block (3) are through fixed hasp (4) fixed connection, the lower extreme of handle of a knife upper block (3) is provided with handle of a knife connecting block (2), the lower extreme of handle of a knife connecting block (2) is provided with under the handle of a knife piece (1).

2. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: metal tool bit (10) include tool bit shell (101), inside screw (102) and spacing lug (103), be provided with inside screw (102) in the middle of the inside of tool bit shell (101), the rear end top of tool bit shell (101) is provided with spacing lug (103), tool bit shell (101) is connected on cutter head shell (5), spacing lug (103) are connected on side position fixer (9).

3. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the fixed screw (7) comprises a metal rod head (71), an intermediate connecting rod (72) and a fixed long rod (73), the intermediate connecting rod (72) is arranged at the lower end of the metal rod head (71), the fixed long rod (73) is arranged at the lower end of the intermediate connecting rod (72), and the fixed long rod (73) is connected to the upper knife handle block (3).

4. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the cutter head is characterized in that the number of the metal cutter heads (10) is four, and the equal angles of the metal cutter heads (10) are fixed on the outer side of the cutter head shell (5).

5. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the outer shape of the lower end of the cutter head shell (5) is equal to the outer shape of the upper end of the cutter handle upper block (3), and the outer sides of the joints of the cutter head shell (5) and the cutter handle upper block (3) are in the same straight line.

6. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the fixed lock catches (4) are arranged in two, and the fixed lock catches (4) are symmetrically fixed at the connecting positions of the cutter head shell (5) and the cutter handle upper block (3).

7. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the fixed screw rod (7) is an axial center, and two ends of the fixed screw rod (7) are in a symmetrical state.

8. The cutting bit for a CNC numerically controlled lathe according to claim 1, characterized in that: the cutter head inner shell (6) is cylindrical, and the interior of the cutter head inner shell (6) is in a hollow state.