CN210255149U

CN210255149U - Digit control machine tool of collapsible cutter

Info

Publication number: CN210255149U
Application number: CN201920956563.6U
Authority: CN
Inventors: 孙翔; 张小波
Original assignee: Jiangsu Wenrui Electronics Co Ltd
Current assignee: Jiangsu Wenrui Electronics Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-07
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a digit control machine tool of collapsible cutter, including lathe body, push rod and cutter, the inside of lathe body is provided with the pneumatic cylinder, and the top of pneumatic cylinder is provided with the hydraulic stem, the left side bottom of mounting is run through at the top of hydraulic stem, and the top of hydraulic stem is connected with the left side top of mounting through the bolt, the right side outside of mounting is provided with rotates the lid, and rotates the right-hand member that is connected with the transmission shaft in the middle of the inside of lid, the left end of transmission shaft runs through the right-hand member of mounting right-hand member surface with bevel gear group and is connected, and bevel gear group's right-hand member setting is inside the right. This digit control machine tool of collapsible cutter is provided with the external screw thread pole, will rotate the lid and rotate, makes hollow internal thread axle rotate to the external screw thread pole oscilaltion that makes hollow internal thread axle internal thread connection, thereby can make the cutter shrink of external screw thread pole bottom connection, it is more convenient to make things convenient for the control lathe cutter to stretch out and draw back.

Description

Digit control machine tool of collapsible cutter

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool of collapsible cutter.

Background

In the digit control machine tool, often need shrink the cutter of digit control machine tool, the cutter passes through the threaded fixation inside the digit control machine tool, leans on the manpower to shrink the difficulty, consequently just need use the digit control machine tool of collapsible cutter.

The existing numerical control machine tool is complex in structure, the cutter inside the machine tool cannot stretch out and draw back due to the fact that the cutter in the machine tool cannot stretch out and draw back, inconvenience is caused due to the fact that the cutter in the machine tool is replaced, the mode of thread fixing is very inconvenient when the cutter is replaced, and improvement on existing equipment is needed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digit control machine tool of collapsible cutter to current digit control machine tool structure that proposes in solving above-mentioned background art is complicated, and through the thread tightening cutter, leads to the inside cutter of lathe to be flexible, and makes the cutter of changing in the lathe cause inconvenience, and when changing the cutter, the problem that thread tightening's mode can be very inconvenient.

In order to achieve the above object, the utility model provides a following technical scheme: a numerical control machine tool with a retractable cutter comprises a machine tool body, a push rod and a cutter, wherein a hydraulic cylinder is arranged inside the machine tool body, a hydraulic rod is arranged on the top of the hydraulic cylinder, the top of the hydraulic rod penetrates through the bottom of the left side of a fixing piece, the top of the hydraulic rod is connected with the top of the left side of the fixing piece through a bolt, a rotating cover is arranged outside the right side of the fixing piece, the middle of the inner part of the rotating cover is connected with the right end of a transmission shaft, the left end of the transmission shaft penetrates through the surface of the right end of the fixing piece and is connected with the right end of a bevel gear set, the right end of the bevel gear set is arranged inside the right side of the fixing piece, a hollow internal threaded shaft is fixed in the middle of the other end of the bevel gear set, the top end of the hollow internal threaded shaft is rotatably connected with the, the utility model discloses a cutter, including the mounting, the mounting is fixed on the mounting, the top of external screw thread pole is set up outside the top of first buckle, and the top of first buckle is fixed at the top of mounting, both ends about the external screw thread pole lower surface are run through to push rod one end, and the other end setting of push rod is in the inside of external screw thread pole, the other end of push rod is connected with the one end of carriage release lever, and the other end of carriage release lever is connected with the second buckle, the surface setting that external screw thread pole was run through to second buckle one end is in the below of push rod, and the other end of second buckle is connected with the spring, the cutter sets up the bottom at external screw thread pole, and the bottom setting of external screw thread pole is in the recess.

Preferably, the rotating cover, the transmission shaft, the bevel gear set and the hollow internal thread shaft are in rotating connection, and the bevel gear set is provided with 2 bevel gears.

Preferably, the inner wall of the hollow internal thread shaft and the outer surface of the external thread rod are both provided with threads, the hollow internal thread shaft and the external thread rod are in threaded connection, the external thread rod is of a hollow structure, and the lower end of the hollow internal thread shaft is of a hollow structure.

Preferably, the number of the moving rods is 2, the 2 moving rods are arranged inside the outer threaded rod in an X shape, and the 2 moving rods are in rotating connection.

Preferably, the area of the groove at the top end of the cutter is larger than that of the bottom of the external thread rod, and the distance from the bottom end of the groove to the through hole is equal to the distance from the bottom of the external thread rod to the second buckle.

Preferably, the push rod, the second buckles and the through holes are all provided with 2, and the 2 second buckles are matched with the through holes.

Compared with the prior art, the beneficial effects of the utility model are that: the numerical control machine tool with the retractable cutter,

(1) the external thread rod is arranged, the rotating cover is rotated, the hollow internal thread shaft is rotated, and therefore the external thread rod in threaded connection inside the hollow internal thread shaft is lifted up and down, a cutter connected to the bottom of the external thread rod can be contracted, and the expansion of a machine tool cutter can be conveniently controlled;

(2) be provided with second buckle and through-hole, promote the push rod to inside, make the carriage release lever drive the second buckle shrink in the external screw thread pole, insert the external screw thread pole with the cutter after, loosen the push rod and make the second buckle pop out to block in the through-hole, this kind of fixed mode makes loading and unloading cutter more convenient.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the machine tool comprises a machine tool body, 2, a hydraulic cylinder, 3, a hydraulic rod, 4, a fixing piece, 5, a bolt, 6, a rotating cover, 7, a transmission shaft, 8, a bevel gear set, 9, a hollow internal thread shaft, 10, a first buckle, 11, an external thread rod, 12, a push rod, 13, a moving rod, 14, a second buckle, 15, a spring, 16, a cutter, 17, a groove, 18 and a through hole.

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. 1-3, the present invention provides a technical solution: a numerical control machine tool with a retractable cutter is disclosed, as shown in figure 1, a hydraulic cylinder 2 is arranged inside a machine tool body 1, a hydraulic rod 3 is arranged on the top of the hydraulic cylinder 2, the top of the hydraulic rod 3 penetrates through the bottom of the left side of a fixing part 4, the top of the hydraulic rod 3 is connected with the top of the left side of the fixing part 4 through a bolt 5, a rotating cover 6 is arranged outside the right side of the fixing part 4, the middle of the inside of the rotating cover 6 is connected with the right end of a transmission shaft 7, the left end of the transmission shaft 7 penetrates through the surface of the right end of the fixing part 4 and is connected with the right end of a bevel gear set 8, the right end of the bevel gear set 8 is arranged inside the right side of the fixing part 4, a hollow internal threaded shaft 9 is fixed in the middle of the other end of the bevel gear set 8, the top end of the hollow internal, and the bevel gear set 8 is provided with 2 bevel gears, the rotating cover 6 is rotated, the rotating cover 6 drives the transmission shaft 7 to rotate, the transmission shaft 7 rotates to enable the bevel gear set 8 to drive the hollow internal thread shaft 9 to rotate, so that the external thread rod 11 inside the hollow internal thread shaft 9 can contract, the bevel gear set 8 can rotate horizontally and vertically, the middle inside the hollow internal thread shaft 9 is provided with a first buckle 10, the inside of the hollow internal thread shaft 9 is connected with the outer surface of the external thread rod 11, the first buckle 10 penetrates through the top end of the external thread rod 11 and is arranged inside the external thread rod 11, the top end of the first buckle 10 is fixed at the top of the fixing part 4, one end of the push rod 12 penetrates through the left and right ends of the lower surface of the external thread rod 11, the other end of the push rod 12 is arranged inside the external thread rod 11, the inner wall of the hollow internal thread, the hollow internal thread shaft 9 and the external thread rod 11 are in threaded connection, and the external thread rod 11 in threaded connection with the hollow internal thread shaft 9 can be lifted up and down by rotating the hollow internal thread shaft 9, so that a cutter 16 at the bottom of the external thread rod 11 can be contracted, and the control of the machine tool cutter 16 is more convenient.

As shown in fig. 2, the other end of the push rod 12 is connected with one end of the moving rod 13, and the other end of the moving rod 13 is connected with the second catch 14, 2 moving rods 13 are provided, and 2 moving rods 13 are arranged inside the outer threaded rod 11 in an "X" shape, and the intersection of the 2 moving rods 13 is connected by a bearing, the push rod 12 is pushed to make the 2 moving rods 13 arranged in the "X" shape move crosswise, the second catch 14 at the other end of the moving rod 13 is retracted into the outer threaded rod 11, so that the outer threaded rod 11 can be inserted into the groove 17 in the cutter 16 for fixing, the moving rod 13 can make the push rod 12 control the movement of the second catch 14, one end of the second catch 14 penetrates the surface of the outer threaded rod 11 and is arranged below the push rod 12, and the other end of the second catch 14 is connected with the spring 15, the push rod 12, the second catch 14 and the through hole 18 are provided with 2 second catches 14 and the through hole 18 are matched, the push rod 12, the second buckle 14 and the through hole 18 are arranged in 2, so that the stability of the cutter 16 in the outer threaded rod 11 can be improved.

As shown in fig. 1, 2 and 3, the cutter 16 is arranged at the bottom end of the external threaded rod 11, the bottom end of the external threaded rod 11 is arranged in the groove 17 at the top end of the cutter 16, the inner side end of the groove 17 is provided with a through hole 18, the area of the groove 17 at the top end of the cutter 16 is larger than that of the bottom of the external threaded rod 11, the length from the bottom end of the groove 17 to the through hole 18 is equal to the length from the bottom of the external threaded rod 11 to the second buckle 14, the groove 17 at the top end of the cutter 16 is inserted into the bottom of the external threaded rod 11, then the push rod 12 is loosened, the second buckle 14 is inserted into the through hole 18 by the spring 15 due to the reaction force, and the cutter 16 is fixed at the bottom of the external.

The working principle is as follows: when the numerical control machine tool using the retractable tool is used, firstly, the push rod 12 at the bottom of the external thread rod 11 is pushed into the

external thread rod

11, 2 push rods 12 move one end of the movable rod 13 towards the middle, the other end of the movable rod 13 compresses the spring 15 to enable the second buckle 14 to be retracted into the external thread rod 11, then the groove 17 at the top of the tool 16 is inserted into the bottom end of the external thread rod 11, the through hole 18 in the groove 17 is aligned with the second buckle 14, the push rod 12 is released, the spring 15 ejects the movable rod 13 outwards due to the reaction force, so that the second buckle 14 is clamped into the through hole 18, then the rotating cover 6 is rotated, the transmission shaft 7 drives the bevel gear set 8 to rotate, the bevel gear set 8 drives the hollow internal thread shaft 9 to rotate, the external thread rod 11 in the hollow internal thread shaft 9 is lifted up and down, so that the external thread rod 11 drives the tool 16 fixed at the bottom to be retracted, and, the hydraulic cylinder 2 drives the hydraulic rod 3 to extend and retract, so that the fixing piece 4 moves up and down, and the fixing piece 4 is adjusted to a proper position, so that the whole work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a digit control machine tool of collapsible cutter, includes lathe body (1), push rod (12) and cutter (16), its characterized in that: the machine tool is characterized in that a hydraulic cylinder (2) is arranged in the machine tool body (1), a hydraulic rod (3) is arranged at the top of the hydraulic cylinder (2), the top of the hydraulic rod (3) penetrates through the bottom of the left side of a fixing part (4), the top of the hydraulic rod (3) is connected with the top of the left side of the fixing part (4) through a bolt (5), a rotating cover (6) is arranged outside the right side of the fixing part (4), the middle of the inside of the rotating cover (6) is connected with the right end of a transmission shaft (7), the left end of the transmission shaft (7) penetrates through the surface of the right end of the fixing part (4) and is connected with the right end of a bevel gear set (8), the right end of the bevel gear set (8) is arranged inside the right side of the fixing part (4), a hollow internal threaded shaft (9) is fixed in the middle of the other end of the bevel, the middle of the inner part of the hollow internal thread shaft (9) is provided with a first buckle (10), the inner part of the hollow internal thread shaft (9) is connected with the outer surface of an external thread rod (11), the first buckle (10) penetrates through the top end of the external thread rod (11) and is arranged in the external thread rod (11), the top end of the first buckle (10) is fixed at the top of the fixing part (4), one end of a push rod (12) penetrates through the left end and the right end of the lower surface of the external thread rod (11), the other end of the push rod (12) is arranged in the external thread rod (11), the other end of the push rod (12) is connected with one end of a moving rod (13), the other end of the moving rod (13) is connected with a second buckle (14), one end of the second buckle (14) penetrates through the surface of the external thread rod (11) and is arranged below the push rod (12), and the other end of the second buckle (14) is connected with a spring (, the cutter (16) is arranged at the bottom end of the external threaded rod (11), the bottom end of the external threaded rod (11) is arranged in a groove (17) in the top end of the cutter (16), and a through hole (18) is formed in the inner side end of the groove (17).

2. A numerically controlled machine tool with retractable cutter according to claim 1, wherein: the rotating cover (6), the transmission shaft (7), the bevel gear set (8) and the hollow internal thread shaft (9) are in rotating connection, and the bevel gear set (8) is provided with 2 bevel gears.

3. A numerically controlled machine tool with retractable cutter according to claim 1, wherein: the inner wall of the hollow internal thread shaft (9) and the outer surface of the external thread rod (11) are both provided with threads, the hollow internal thread shaft (9) and the external thread rod (11) are in threaded connection, the external thread rod (11) is of a hollow structure, and the lower end of the hollow internal thread shaft (9) is of a hollow structure.

4. A numerically controlled machine tool with retractable cutter according to claim 1, wherein: the number of the moving rods (13) is 2, the 2 moving rods (13) are arranged in the outer threaded rod (11) in an X shape, and the 2 moving rods (13) are in rotating connection.

5. A numerically controlled machine tool with retractable cutter according to claim 1, wherein: the area of the groove (17) at the top end of the cutter (16) is larger than that of the bottom of the external thread rod (11), and the distance from the bottom end of the groove (17) to the through hole (18) is equal to the distance from the bottom of the external thread rod (11) to the second buckle (14).

6. A numerically controlled machine tool with retractable cutter according to claim 1, wherein: the push rod (12), the second buckles (14) and the through holes (18) are all provided with 2, and the 2 second buckles (14) are matched with the through holes (18).