CN218460898U

CN218460898U - Numerical control lathe tool

Info

Publication number: CN218460898U
Application number: CN202222872915.4U
Authority: CN
Inventors: 韩开生; 田宁; 王硕; 万晓航; 张鹏跃; 胡孟谦; 卢军莲; 韩亦琳
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-10
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a numerical control lathe tool, the numerical control lathe tool includes the cutter arbor and installs the installation piece in cutter arbor one end, is provided with the mounting groove that is used for installing the fixed block on the installation piece, and tool bit demountable installation is on the fixed block to and be used for fixing the fixed block to the inside tight part and the tight subassembly that goes up of mounting groove. The utility model provides a numerical control lathe tool, when using, when the tool bit of the same specification need be changed, can directly demolish the tool bit from the fixed block and change. When the tool bit of different specifications is changed to needs, only need loosen and compress tightly can take out the fixed block from the mounting groove after subassembly and the last piece of packing to change the fixed block and the tool bit that correspond the model, can accomplish the change of cutter, change process is simple, convenient operation, and the fixed block that gets off of change occupies the volume less, saves the parking space of on-the-spot cutter, the arrangement of the on-the-spot cutter of being convenient for.

Description

Numerical control lathe tool

Technical Field

The utility model belongs to the technical field of machining, concretely relates to numerical control lathe tool.

Background

The turning mode is a widely used machining process. The chuck clamps the workpiece to rotate to do main motion, and the cutter does feed motion along the contour of the workpiece. During the turning process, a cutting tool is used, which typically includes a tool holder and a tool tip mounted on the tool holder. In the cutting process, different tool bits need to be replaced according to the requirements of the machining process to finish machining. In order to ensure the stability of the installation of the cutter head on the cutter rod, a positioning groove for positioning the installation position of the cutter head is usually arranged on the cutter rod, so that the cutter rod needs to be replaced together when the cutter heads with different specifications are replaced. And most space needs to be saved on site to store the cutter bar, so that the space on site is wasted, and the cutter is inconvenient to replace in the using process.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a numerical control lathe tool aims at solving among the prior art numerical control lathe and changes the inconvenient problem of cutter in the course of working.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a numerically controlled lathe tool including:

the cutter bar is fixedly connected with one end of the cutter bar, and an installation groove is formed in the installation block;

the fixed block is arranged in the mounting groove, a positioning groove for mounting a tool bit is formed in the fixed block, and an opening for placing the fixed block into the mounting groove is formed in one side of the mounting block;

the upper fastening piece is arranged on one side, far away from the opening, of the mounting block, penetrates through the side wall of the mounting groove and is in threaded connection with the fixing block;

and the pressing assembly is arranged between the mounting block and the fixing block and used for pressing the fixing block in the mounting groove.

In a possible implementation manner, a first side wall and a second side wall are arranged on the mounting block, the first side wall is attached to the side wall of the fixing block, the second side wall is arranged opposite to the first side wall, and the distance between the first side wall and the second side wall gradually decreases towards the direction away from the opening.

In a possible implementation manner, the first side wall is arranged in parallel with an axis of the upper member, and the second side wall is arranged at an included angle with the first side wall.

In a possible implementation manner, a limiting portion is arranged on one side, close to the first side wall, of the fixing block, and a limiting groove in sliding fit with the limiting portion is arranged on the first side wall.

In a possible implementation manner, the bottom surface of the limiting groove and the bottom surface of the mounting groove are located on the same plane, and the top surface of the limiting groove is inclined from the opening of the limiting groove to the inside of the limiting groove gradually toward the bottom surface close to the limiting groove.

In a possible implementation manner, the mounting block is provided with an oblong through hole for mounting the upper fastening piece, and the length direction of the oblong through hole is arranged along the opposite direction of the first side wall and the second side wall.

In one possible implementation, the compression assembly includes:

the guide post is arranged on the mounting block in a sliding manner;

the pressing part is fixedly connected with the guide post and is used for abutting against the fixed block;

the fixing piece is arranged between the guide column and the installation block, and is in threaded connection with the installation block and used for driving the guide column to move towards the bottom of the installation groove.

In a possible implementation mode, a plurality of anti-rotation protrusions are arranged on the outer side of the guide post, the anti-rotation protrusions are evenly arranged on the outer side of the guide post in a surrounding mode, and anti-rotation holes in sliding fit with the anti-rotation protrusions are formed in the installation block.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that the mounting groove is formed in the top of the mounting block through the one end fixedly connected with mounting block of the cutter bar, and the opening used for placing the fixing block is formed in one side of the mounting groove. And an upper fastening member is mounted on a side wall opposite to the opening. Inside can be fixed the mounting groove with the fixed block through rotating the piece of going up to tool bit demountable installation is on the fixed block. When the tool bit is used, the tool bit can be directly detached from the fixed block to be replaced when the tool bit with the same specification needs to be replaced. When the tool bit of different specifications is changed to needs, only need loosen and compress tightly can take out the fixed block from the mounting groove after subassembly and the last piece of packing to change the fixed block and the tool bit that correspond the model, can accomplish the change of cutter, change process is simple, convenient operation, and the fixed block that gets off of change occupies the volume less, saves the parking space of on-the-spot cutter, the arrangement of the on-the-spot cutter of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a numerical control turning tool provided by an embodiment of the present invention;

FIG. 2 is a view taken along the line A in FIG. 1;

fig. 3 is a schematic structural view of a cutter bar provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the compressing assembly provided by the embodiment of the present invention.

Description of reference numerals:

1. a cutter bar; 2. mounting blocks; 21. mounting grooves; 211. an opening; 22. a first side wall; 23. a second side wall; 24. a limiting groove; 3. a fixed block; 31. a limiting part; 4. a tightening member; 5. a cutter head; 6. a compression assembly; 61. a guide post; 611. an anti-rotation protrusion; 62. a pressing part; 63. and a fixing member.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the numerical control turning tool provided by the present invention will now be described. The numerical control lathe tool comprises a tool bar 1, a fixing block 3, an upper fastening piece 4 and a pressing assembly 6. One end of the cutter bar 1 is fixedly connected with an installation block 2, and an installation groove 21 is formed in the installation block 2; the fixed block 3 is installed inside the installation groove 21, a positioning groove for installing the tool bit 5 is formed in the fixed block 3, and an opening 211 for placing the fixed block 3 into the installation groove 21 is formed in one side of the installation block 2; the upper fastening piece 4 is arranged on one side of the mounting block 2 far away from the opening 211, and the upper fastening piece 4 penetrates through the side wall of the mounting groove 21 and is in threaded connection with the fixing block 3; the pressing assembly 6 is arranged between the mounting block 2 and the fixing block 3 and used for pressing the fixing block 3 in the mounting groove 21.

Compared with the prior art, the numerical control lathe tool that this embodiment provided, through the one end fixedly connected with installation piece 2 at cutter arbor 1, seted up mounting groove 21 at the top of installation piece 2, the opening 211 that is used for placing fixed block 3 is seted up to one side of mounting groove 21. And an upper fastening member 4 is mounted on a side wall opposite to the opening 211. The fixing block 3 can be fixed inside the mounting groove 21 by rotating the upper fastening member 4, and the cutter head 5 is detachably mounted on the fixing block 3. When using, when the tool bit 5 of the same specification need be changed, can directly demolish tool bit 5 from fixed block 3 and change. When the tool bit 5 of different specifications is changed to needs, only need loosen and compress tightly can take out fixed block 3 from mounting groove 21 after subassembly 6 and tightening part 4 to change fixed block 3 and the tool bit 5 of corresponding the model, can accomplish the change of cutter, change process is simple, convenient operation, and it is less to change fixed block 3 that gets off and occupy the volume, saves the parking space of on-the-spot cutter, the arrangement of the on-the-spot cutter of being convenient for.

Specifically, in the present embodiment, the tightening member 4 is a bolt, and the tightening member 4 is threaded to the fixing block 3 through the sidewall of the mounting groove 21.

In some embodiments, the mounting block 2 may be configured as shown in fig. 1, 2 and 3. Referring to fig. 1, 2 and 3, the mounting block 2 is provided with a first side wall 22 for fixing the fixing block 3 and a second side wall 23 opposite to the first side wall 22, and a distance between the first side wall 22 and the second side wall 23 gradually decreases in a direction away from the opening 211. When the fastening member 4 is coupled to the fixing block 3, the first and

second side walls

22 and 23 are located at both sides of the fastening member 4, respectively. The fixing block 3 is located between the first side wall 22 and the second side wall 23. When the fixing block 3 needs to be installed, the fixing block 3 can be slid into the installation groove 21 through the opening 211 at one side of the installation groove 21 and connected to the fixing block 3 through the fastening member 4, and the fixing block 3 can be tightened inside the installation groove 21 because the distance between the first side wall 22 and the second side wall 23 is gradually reduced. And the fixing block 3 is pressed inside the mounting groove 21 by the pressing assembly 6. Convenient and fast operation.

Specifically, in the present embodiment, the fixed block 3 is provided with a first mating slide surface and a second mating slide surface which are slidably engaged with the first side wall 22 and the second side wall 23, respectively. When the fixed block 3 is mounted on the mounting block 2, the first side wall 22 is arranged parallel to the first counter slide and the second side wall 23 is arranged parallel to the second counter slide.

In some embodiments, the first sidewall 22 and the second sidewall 23 may be configured as shown in fig. 1 and 3. With reference to fig. 1 and 3, the first side wall 22 is parallel to the axis of the tightening member 4, and the second side wall 23 is disposed at an angle to the first side wall 22. The first side wall 22 is arranged along a direction perpendicular to the length direction of the tool bar 1, and the first side wall 22 and the side wall of the mounting groove 21 in which the upper fastening member 4 is arranged are arranged perpendicular to each other. Second lateral wall 23 and first lateral wall 22 are the contained angle setting and make the interval between second lateral wall 23 and the first lateral wall 22 diminish to the direction of keeping away from mounting groove 21 opening 211 gradually, can clamp fixed block 3 inside mounting groove 21 on the one hand, can avoid fixed block 3 to take place the displacement along cutter arbor 1 length direction simultaneously in the use, improve the stability in the use.

Specifically, in the present embodiment, when the tightening member 4 is mounted to the mounting block 2, the first side wall 22 is parallel to the axis of the tightening member 4.

In some embodiments, the fixing block 3 may adopt a structure as shown in fig. 2 and 3. Referring to fig. 2 and 3, a limiting portion 31 is disposed on one side of the fixing block 3 close to the first side wall 22, and a limiting groove 24 slidably engaged with the limiting portion 31 is disposed on the first side wall 22. Spacing portion 31 protrudes the lateral wall setting of fixed block 3, and when installation fixed block 3 to mounting groove 21 is inside, spacing portion 31 can slide into spacing groove 24 inside, avoids fixed block 3 to install mounting groove 21 inside back at the inside emergence of mounting groove 21 and rocks. The stability of the fixing block 3 mounted to the inside of the mounting groove 21 is further improved.

In some embodiments, the fixing block 3 may have a structure as shown in fig. 2 and 3. Referring to fig. 2 and 3, the bottom surface of the limiting groove 24 and the bottom surface of the mounting groove 21 are located on the same plane, and the top surface of the limiting groove 24 is inclined from the opening of the limiting groove 24 to the inside of the limiting groove 24 toward the bottom surface of the limiting groove 24. The limiting part 31 is located at the bottom of the fixing block 3, and the bottom surface of the limiting part 31 and the bottom surface of the fixing block 3 are located on the same plane. The stopper 31 can be easily slid into the inside of the stopper groove 24 or taken out from the inside of the stopper groove 24 when the fixing block 3 is mounted. Meanwhile, the pressing assembly 6 can be guaranteed to be pressed tightly on the fixing block 3 in the mounting groove 21, and the bottom surface of the fixing block 3 can be attached to the bottom of the mounting groove 21. The stability of the installation of the fixing block 3 is improved, and the top surface of the limit groove 24 is obliquely arranged. When the fastening block 3 is pulled by the fastening piece 4 to slide in a direction away from the opening 211 of the mounting groove 21, the second side wall 23 guides the fastening block 3 to slide in a direction close to the first side wall 22, so that the top surface of the limiting groove 24 can press the fastening block 3 against the bottom of the mounting groove 21. The fixing block 3 is fixed more stably.

Specifically, in the present embodiment, when the top of the stopper portion 31 contacts the top surface of the stopper groove 24, a gap exists between the side surface of the fixed block 3 and the first side wall 22.

Specifically, in the present embodiment, the top surface of the limiting groove 24 is located on the first side wall 22. That is, the bottom of the first sidewall 22 is inclined in a direction away from the mounting groove 21 to form the top surface of the stopper groove 24.

In some embodiments, the mounting block 2 may be configured as shown in fig. 3. Referring to fig. 3, the mounting block 2 is provided with an elongated through hole for mounting the fastening member 4, and the length direction of the elongated through hole is arranged along the opposite direction of the first side wall 22 and the second side wall 23. The mounting block 2 is provided with an oblong through hole which can prevent the mounting block 2 from interfering with the tightening piece 4 when the second side wall 23 guides the fixing block 3 to slide towards the direction close to the first side wall 22.

In some embodiments, the compressing assembly 6 may be configured as shown in fig. 2 and 4. Referring to fig. 2 and 4 together, the pressing assembly 6 includes a guide post 61, a pressing portion 62, and a fixing member 63. The guide post 61 is arranged on the mounting block 2 in a sliding manner; the pressing part 62 is fixedly connected with the guide post 61 and is used for abutting against the fixed block 3; the fixing piece 63 is arranged between the guide post 61 and the mounting block 2, and the fixing piece 63 is in threaded connection with the mounting block 2 and used for driving the guide post 61 to move close to the bottom of the mounting groove 21. The guide post 61 and the pressing portion 62 are integrally formed. The fixing member 63 is a bolt, and a through hole and a counter bore which are coaxial with the guide post 61 are provided in the guide post 61. The guide post 61 can be fixedly installed on the installation block 2 through the fixing member 63, and the guide post 61 can drive the pressing portion 62 to press the fixing block 3 inside the installation groove 21 through the fixing member 63.

Specifically, a guide hole for mounting the guide post 61 is provided on the mounting block 2, and an axis of the guide hole is disposed perpendicular to the bottom surface of the mounting groove 21.

Optionally, in this embodiment, an interference protrusion is disposed on the pressing portion 62, and when the pressing portion 62 fixes the fixing block 3, the interference protrusion interferes with the cutting head 5.

In some embodiments, the guiding column 61 may be configured as shown in fig. 2 and 4. Referring to fig. 2 and 4 together, a plurality of anti-rotation protrusions 611 are arranged on the outer side of the guide column 61, the anti-rotation protrusions 611 are uniformly arranged around the outer side of the guide column 61, and anti-rotation holes in sliding fit with the anti-rotation protrusions 611 are formed in the mounting block 2. The provision of the rotation preventing protrusions 611 can prevent the guide post 61 from rotating on the mounting block 2, thereby affecting the stability of the mounting of the fixing block 3. And at the same time, the guide post 61 can be prevented from rotating together with the fixing member 63 when the fixing member 63 is rotated. In this embodiment, a plurality of anti-rotation protrusions 611 are uniformly arranged around the guide post 61. When the cutter heads 5 with different specifications are replaced, the pressing part 62 can be pressed on the cutter heads 5 by adjusting the positions of the guide posts 61.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A numerically controlled turning tool, comprising:

the tool comprises a tool bar, wherein one end of the tool bar is fixedly connected with an installation block, and an installation groove is formed in the installation block;

2. The numerically controlled lathe tool according to claim 1, wherein the mounting block is provided with a first side wall for fixing the fixing block and a second side wall disposed opposite to the first side wall, and a distance between the first side wall and the second side wall gradually decreases in a direction away from the opening.

3. The numerically controlled lathe tool of claim 2 wherein the first side wall is disposed parallel to an axis of the upper member and the second side wall is disposed at an angle to the first side wall.

4. The numerical control lathe tool according to claim 3, wherein a limiting portion is arranged on one side, close to the first side wall, of the fixing block, and a limiting groove in sliding fit with the limiting portion is arranged on the first side wall.

5. The numerical control lathe tool according to claim 4, wherein the bottom surface of the limit groove and the bottom surface of the mounting groove are located on the same plane, and the top surface of the limit groove is inclined from the opening of the limit groove to the inside of the limit groove gradually toward the bottom surface of the limit groove.

6. The numerically controlled lathe tool according to claim 2, wherein the mounting block is provided with an elongated circular through hole for mounting the upper clamping member, and a length direction of the elongated circular through hole is arranged in a direction opposite to the first side wall and the second side wall.

7. The numerically controlled lathe tool of claim 1 wherein the hold down assembly comprises:

the guide post is arranged on the mounting block in a sliding manner;

8. The numerical control turning tool according to claim 7, wherein a plurality of anti-rotation protrusions are arranged on the outer side of the guide column, the anti-rotation protrusions are uniformly arranged around the outer side of the guide column, and anti-rotation holes in sliding fit with the anti-rotation protrusions are formed in the mounting block.