CN212144519U

CN212144519U - Numerical control lathe convenient to change tool bit

Info

Publication number: CN212144519U
Application number: CN202020371696.XU
Authority: CN
Inventors: 张攀乐
Original assignee: 张攀乐
Current assignee: Shanxi aopusai Technology Co.,Ltd.
Priority date: 2020-03-22
Filing date: 2020-03-22
Publication date: 2020-12-15
Anticipated expiration: 2030-03-22

Abstract

The utility model discloses a numerical control lathe convenient to change tool bit, which comprises a frame, one side fixed mounting at frame top has the motor frame, fixed mounting has driving motor on the motor frame, driving motor has three-jaw chuck through the mounting panel fixed mounting of its output installation, the opposite side fixed mounting at frame top has first displacement mechanism, the first loading board of expansion end fixedly connected with of first displacement mechanism. This numerical control lathe convenient to change tool bit uses through the cooperation of installation axle, drive mechanism, rotation support piece, pull ring piece, card hole, kelly, rotation axis, rotatory handle and draw-in groove, adopts the rotary type to switch over between four cutters on the tool rest and uses, is convenient for change the cutter that needs use, and card hole, kelly and draw-in groove are the quincunx, and the stability of chucking is better.

Description

Numerical control lathe convenient to change tool bit

Technical Field

The utility model relates to a numerical control lathe field specifically is a numerical control lathe convenient to change tool bit.

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 a 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

Carry out improvement innovation on prior art's basis, improve to the loaded down with trivial details structure that current numerical control lathe changed the tool bit for numerical control lathe to the change of tool bit more convenient, rapid, the special numerical control lathe who provides a be convenient for change the tool bit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control lathe convenient to change tool bit to solve the problem that proposes in the above-mentioned background art.

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

a numerical control lathe convenient for replacing a tool bit comprises a frame, wherein a motor frame is fixedly arranged on one side of the top of the frame, a driving motor is fixedly arranged on the motor frame, a three-jaw chuck is fixedly arranged on the driving motor through a mounting plate arranged at the output end of the driving motor, a first displacement mechanism is fixedly arranged on the other side of the top of the frame, a first bearing plate is fixedly connected with the movable end of the first displacement mechanism, a second displacement mechanism is fixedly arranged on the top of the first bearing plate, a second bearing plate is fixedly connected with the movable end of the second displacement mechanism, a mounting shaft is rotatably arranged on one side of the top of the second bearing plate through a bearing, a tool apron is welded on the top of the mounting shaft, mounting grooves are formed in the four sides of the tool apron, a tool is arranged in each mounting groove, and the tool apron is in threaded connection with a fixing bolt, the other side of the top of the second bearing plate is fixedly provided with two rotating supporting pieces, a rotating shaft is rotatably connected between the two rotating supporting pieces, a transmission mechanism is arranged between the rotating shaft and the rack, the rotating shaft is provided with two clamping holes in a penetrating manner, the other side of the top of the second bearing plate is provided with a clamping groove, and a clamping rod matched with the clamping hole is arranged between the clamping hole and the clamping groove.

As a further aspect of the present invention: the shape of card hole is plum blossom shape, and the structure size of card hole and draw-in groove is all unanimous, the top welding of kelly has the pull ring piece.

As a further aspect of the present invention: one end of the rotating shaft is fixedly connected with a rotating handle.

As a further aspect of the present invention: the rotating support part is composed of a bearing and a support, and the bearing is matched with the rotating shaft.

As a further aspect of the present invention: the transmission mechanism is composed of two bevel gears which are matched with each other, and the two bevel gears are meshed with each other.

As a further aspect of the present invention: the first displacement mechanism comprises two sliding rails, the first bearing plate is connected with the sliding rails in a sliding mode through sliding blocks arranged at the bottom of the first bearing plate, a transmission block is fixedly arranged at the bottom of the first bearing plate, the transmission block is connected with a threaded rod matched with the transmission block in a buffering mode through a threaded hole formed in the transmission block, a rotary handle is fixedly arranged at one end of the threaded rod, and the first displacement mechanism and the second displacement mechanism are identical in structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixing bolt, mounting groove, cutter and the cooperation of blade holder are used, have all seted up the mounting groove at the four sides of blade holder, and the inside of every mounting groove all is provided with a cutter for four cutters of mountable on a blade holder, simultaneously, adopt fixing bolt to extrude fixedly to the cutter, conveniently install and dismantle the cutter, thereby be convenient for maintain the cutter and change.

2. This practicality uses through the cooperation of installation axle, drive mechanism, rotation support piece, pull ring piece, card hole, kelly, rotation axis, rotatory handle and draw-in groove, adopts the rotary type to switch over the use between four cutters on the tool setting, is convenient for change the cutter that needs use, and card hole, kelly and draw-in groove are the quincunx, and the stability of chucking is better.

Drawings

FIG. 1 is a schematic structural diagram of a numerically controlled lathe facilitating tool bit replacement.

FIG. 2 is a top view of a numerically controlled lathe that facilitates tool bit replacement.

FIG. 3 is a front view of a second bearing plate in a numerically controlled lathe for facilitating bit replacement.

FIG. 4 is a top view of a second bearing plate in a numerically controlled lathe for facilitating bit replacement.

In the figure: the device comprises a rack 1, a motor frame 2, a driving motor 3, a three-jaw chuck 4, a second bearing plate 5, a second displacement mechanism 6, a first bearing plate 7, a first displacement mechanism 8, a fixing bolt 9, a mounting groove 10, a cutter 11, a cutter holder 12, a mounting shaft 13, a transmission mechanism 14, a rotating support piece 15, a pull ring block 16, a clamping hole 17, a clamping rod 18, a rotating shaft 19, a rotating handle 20 and a clamping groove 21.

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 to 4, in the embodiment of the present invention, a numerically controlled lathe convenient for tool bit replacement includes a frame 1, a motor frame 2 is fixedly installed on one side of the top of the frame 1, a driving motor 3 is fixedly installed on the motor frame 2, a three-jaw chuck 4 is fixedly installed on the driving motor 3 through a mounting plate installed at the output end thereof, a first displacement mechanism 8 is fixedly installed on the other side of the top of the frame 1, a first bearing plate 7 is fixedly connected to a movable end of the first displacement mechanism 8, a second displacement mechanism 6 is fixedly installed on the top of the first bearing plate 7, a second bearing plate 5 is fixedly connected to a movable end of the second displacement mechanism 6, a mounting shaft 13 is rotatably installed on one side of the top of the second bearing plate 5 through a bearing, a tool holder 12 is welded to the top of the mounting shaft 13, mounting grooves 10 are also formed on four sides, the tool apron 12 is in threaded connection with a fixing bolt 9 matched with the tool apron through a threaded hole formed in the top of the tool apron, the bottom of the fixing bolt 9 is in contact with the top of the tool 11, two rotating supporting pieces 15 are fixedly installed on the other side of the top of the second bearing plate 5, a rotating shaft 19 is rotatably connected between the two rotating supporting pieces 15, a transmission mechanism 14 is arranged between the rotating shaft 19 and the rack 1, two clamping holes 17 are also formed in the rotating shaft 19 in a penetrating mode and communicated with the two clamping holes 17, a clamping groove 21 is formed in the other side of the top of the second bearing plate 5, a clamping rod 18 matched with the clamping hole 17 is arranged between the clamping hole 17 and the clamping groove 21, the clamping holes 17 are in a quincunx shape, the structural sizes of the clamping holes 17 and the clamping grooves 21 are identical, a pull ring block 16 is welded to the top of the clamping rod 18, a rotating handle 20 is fixedly, and the bearing and the adaptation of rotation axis 19, drive mechanism 14 comprises the bevel gear of two looks adaptations, and two bevel gears mesh, first displacement mechanism 8 includes two slide rails, first loading board 7 is through the slider of its bottom installation and slide rail sliding connection, the bottom fixed mounting of first loading board 7 has the drive piece, the threaded rod rather than the adaptation is connected with in the drive piece buffering through the screw hole buffer that sets up on it, the one end fixed mounting of threaded rod rotates the handle, first displacement mechanism 8 is unanimous with the structure of second displacement mechanism 6, it drives the threaded rod and rotates to rotate the handle, under the horizontal transmission effect of threaded rod and drive piece, make first loading board 7 carry out horizontal regulation, displacement mechanism adopts screw drive's mode to realize position control, screw drive is current mature technology, so do not carry out too many redundancies to it.

The utility model discloses a theory of operation is:

when in use, mounting grooves 10 are respectively formed on four sides of a tool apron 12, a tool 11 is arranged in each mounting groove 10, so that four tools 11 can be mounted on one tool apron 12, meanwhile, the tools 11 are extruded and fixed by using fixing bolts 9, and the tools 11 are convenient to mount and dismount, so that the tools 11 can be conveniently maintained and replaced, when the tools 11 need to be replaced, a clamping rod 18 is drawn out from the clamping holes 17 and the clamping grooves 21 through a pull ring block 16, then a rotating handle 20 is rotated to drive a rotating shaft 19 to rotate, under the transmission action of a rack 1, a mounting shaft 13 rotates along with the rotating shaft 19, the tool apron 12 rotates along with the rotating shaft, so that the four tools 11 mounted on the tool apron 12 can be switched, after the switching is completed, the clamping rod 18 is inserted into the clamping grooves 21 through the clamping holes 17, and the four tools 11 on the tool apron 12 are switched and used by adopting a rotary mode, the cutter 11 required to be used is convenient to replace, and the clamping hole 17, the clamping rod 18 and the clamping groove 21 are all in a quincunx shape, so that the clamping stability is better.

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 numerical control lathe convenient to change tool bit, includes frame (1), its characterized in that: the electric motor support is characterized in that a motor frame (2) is fixedly mounted on one side of the top of the rack (1), a driving motor (3) is fixedly mounted on the motor frame (2), a three-jaw chuck (4) is fixedly mounted on the driving motor (3) through a mounting plate mounted at the output end of the driving motor, a first displacement mechanism (8) is fixedly mounted on the other side of the top of the rack (1), a first bearing plate (7) is fixedly connected to the movable end of the first displacement mechanism (8), a second displacement mechanism (6) is fixedly mounted on the top of the first bearing plate (7), a second bearing plate (5) is fixedly connected to the movable end of the second displacement mechanism (6), a mounting shaft (13) is rotatably mounted on one side of the top of the second bearing plate (5) through a bearing, a cutter holder (12) is welded at the top of the mounting shaft (13), and a mounting groove (10) is, the utility model discloses a cutting tool, including mounting groove (10), blade holder (12), screw hole threaded connection who sets up through its top has fixing bolt (9) rather than the looks adaptation, the opposite side fixed mounting at second loading board (5) top has two to rotate support piece (15), rotates between two rotation support piece (15) and is connected with rotation axis (19), be provided with drive mechanism (14) between rotation axis (19) and frame (1), it also has two card holes (17) to run through to set up on rotation axis (19), draw-in groove (21) have been seted up to the opposite side at second loading board (5) top, be provided with card pole (18) rather than the looks adaptation between card hole (17) and draw-in groove (21).

2. The numerically controlled lathe facilitating tool bit replacement according to claim 1, wherein: the shape of card hole (17) is plum blossom shape, and the structure size of card hole (17) and draw-in groove (21) is all unanimous, the top welding of kelly (18) has pull ring piece (16).

3. The numerically controlled lathe facilitating tool bit replacement according to claim 1, wherein: one end of the rotating shaft (19) is fixedly connected with a rotating handle (20).

4. The numerically controlled lathe facilitating tool bit replacement according to claim 1, wherein: the rotating support piece (15) is composed of a bearing and a support, and the bearing is matched with the rotating shaft (19).

5. The numerically controlled lathe facilitating tool bit replacement according to claim 1, wherein: the transmission mechanism (14) is composed of two bevel gears which are matched with each other, and the two bevel gears are meshed with each other.

6. The numerically controlled lathe facilitating tool bit replacement according to claim 1, wherein: first displacement mechanism (8) include two slide rails, first loading board (7) are through slider and the slide rail sliding connection of its bottom installation, the bottom fixed mounting of first loading board (7) has the transmission piece, the threaded hole buffer connection who sets up through it on the transmission piece has the threaded rod rather than the looks adaptation, the rotatory handle of one end fixed mounting of threaded rod, the structure of first displacement mechanism (8) and second displacement mechanism (6) is unanimous.