CN216298652U

CN216298652U - Automatic tool changing device of numerical control machining center

Info

Publication number: CN216298652U
Application number: CN202122640330.5U
Authority: CN
Inventors: 李燕斌
Original assignee: Qingdao Runxuan Industry And Trade Co ltd
Current assignee: Qingdao Runxuan Industry And Trade Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-15
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an automatic tool changer of a numerical control machining center, which comprises a shell, wherein a strip-shaped hole is formed in the right side of the shell, two positioning plates are fixedly connected to the right side of the shell corresponding to the strip-shaped hole, a motor is installed on the left side of the shell, a lead screw is fixedly connected to the output end of the motor, and a strip-shaped plate is connected to the inner wall of the shell in a sliding manner. This automatic toolchanger of numerical control machining center, the motor can drive L shape push pedal through lead screw and bar shaped plate and remove to the right side, the locating piece receives stopping of spacing cardboard on the diaphragm simultaneously, can make L shape push pedal get into in the draw-in groove, make a plurality of toper fixture blocks card advance the spacing groove simultaneously, it is fixed with the locating piece to make L shape push pedal, electric putter drives diaphragm and spacing cardboard and descends, and then can promote locating piece and cutter to between two locating plates on the casing right side, realize automatic tool changing operation, whole journey need not the manual contact cutter, the tool changing efficiency is improved, the potential safety hazard is reduced.

Description

Automatic tool changing device of numerical control machining center

Technical Field

The utility model relates to the technical field of automatic tool changing, in particular to an automatic tool changing device of a numerical control machining center.

Background

The numerical control machining center is a numerical control machining machine tool with complete functions, integrates the functions of milling, boring, drilling, tapping, cutting threads and the like on one device, has multiple technological means, and is one of numerical control machines with strong comprehensive capability and most extensive application.

Present numerical control machining center still needs the manual work to carry out the tool changing operation when using, and the manual work carries out the tool changing operation, and not only dismouting efficiency is lower, and when the tool changing, the staff has the risk of being hurt by the cutter, and is dangerous higher, when having influenced parts machining efficiency, also has certain potential safety hazard, and is comparatively inconvenient during the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic tool changer of a numerical control machining center, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic tool changer of a numerical control machining center comprises a shell, wherein a strip-shaped hole is formed in the right side of the shell, two positioning plates are fixedly connected to the right side of the shell corresponding to the strip-shaped hole, a motor is mounted on the left side of the shell, a lead screw is fixedly connected to the output end of the motor, a strip-shaped plate is slidably connected to the inner wall of the shell, an L-shaped push plate is fixedly connected to the lower surface of the strip-shaped plate, an electric push rod is mounted on the inner bottom wall of the shell, a transverse plate is fixedly connected to the output end of the electric push rod, a limiting clamping plate is fixedly connected to the upper surface of the transverse plate, positioning blocks are arranged between the two positioning plates and on the upper surface of the transverse plate, a tool is mounted on the right side of each positioning block, positioning grooves are formed in the upper surface and the lower surface of each positioning block, clamping grooves are formed in the left side of the positioning blocks, limiting grooves are formed in the upper surface of the L-shaped push plate, springs are fixedly connected to the inner bottom walls of the fixing grooves, and one end of the spring, which is far away from the inner bottom wall of the fixing groove, is fixedly connected with a conical clamping block.

Preferably, the right end of the screw rod extends to the inside of the shell and is rotatably connected with the right inner wall of the shell.

Preferably, the L-shaped push plate is matched with the clamping groove, and the conical clamping block is matched with the limiting groove.

Preferably, the back faces of the two positioning plates are fixedly connected with supporting frames, and the back faces of the two supporting frames are connected with ejector rods in a sliding mode.

Preferably, the inner wall of the support frame is connected with a top plate in a sliding manner, a pressure spring is fixedly connected between the top plate and the inner wall of the support frame, and the top plate is fixedly connected with the ejector rod.

Preferably, the upper surface of the positioning plate is provided with a rectangular through hole matched with the ejector rod, and the positioning groove is matched with the ejector rod.

Advantageous effects

The utility model provides an automatic tool changer of a numerical control machining center, which has the following beneficial effects:

1. this automatic toolchanger of numerical control machining center, the motor can drive L shape push pedal through lead screw and bar shaped plate and remove to the right side, the locating piece receives stopping of spacing cardboard on the diaphragm simultaneously, can make L shape push pedal get into in the draw-in groove, make a plurality of toper fixture blocks card advance the spacing groove simultaneously, it is fixed with the locating piece to make L shape push pedal, electric putter drives diaphragm and spacing cardboard and descends, and then can promote locating piece and cutter to between two locating plates on the casing right side, realize automatic tool changing operation, whole journey need not the manual contact cutter, the tool changing efficiency is improved, the potential safety hazard is reduced.

2. This automatic tool changer of numerical control machining center, stimulate two ejector pins, can make two roofs slide and extrude the pressure spring at the support frame inner wall, make two ejector pins break away from between two locating plates, when the locating piece removed to between two locating plates, loosen two ejector pins, the reaction force that produces through the pressure spring can make the automatic card of ejector pin advance the locating slot of locating piece upper and lower surface, realize the location to locating piece and cutter, when stability is higher, the dismouting process has been simplified, the dismouting efficiency has been improved.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic perspective view of an L-shaped push plate according to the present invention.

In the figure: the device comprises a shell 1, a positioning plate 2, a lead screw 3, a strip-shaped plate 4, a push plate 5L-shaped, an electric push rod 6, a transverse plate 7, a limiting clamping plate 8, a positioning block 9, a cutter 10, a spring 11, a conical clamping block 12, a support frame 13, an ejector rod 14, a top plate 15 and a pressure spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic tool changing device of numerical control machining center, includes casing 1, and the bar hole has been seted up on casing 1's right side, and two locating plates 2 of the right side of casing 1 and the corresponding fixedly connected with in bar hole, the motor is installed in casing 1's left side, the output fixedly connected with lead screw 3 of motor, and the right-hand member of lead screw 3 extends to casing 1's inside to rotate with casing 1's right inner wall and be connected.

Inner wall sliding connection of casing 1 has strip shaped plate 4, strip shaped plate 4's lower fixed surface is connected with L shape push pedal 5, and electric putter 6 is installed to casing 1's interior diapire, and electric putter 6's output fixedly connected with diaphragm 7, the last fixed surface of diaphragm 7 is connected with spacing cardboard 8, and between two locating plates 2 and the upper surface of diaphragm 7 all is provided with locating piece 9, and cutter 10 is installed on the right side of locating piece 9.

The constant head tank has all been seted up to the upper and lower surface of locating piece 9, and the draw-in groove has been seted up in the left side of locating piece 9, and the spacing groove has been seted up to the inner wall of draw-in groove, and a plurality of fixed slot has all been seted up to the upper surface of L shape push pedal 5, the interior diapire fixedly connected with spring 11 of fixed slot, and spring 11 keeps away from the one end fixedly connected with toper fixture block 12 of diapire in the fixed slot, L shape push pedal 5 and draw-in groove looks adaptation, and toper fixture block 12 and spacing groove looks adaptation.

The motor can drive L shape push pedal 5 through lead screw 3 and bar shaped plate 4 and remove to the right side, locating piece 9 receives spacing cardboard 8 on diaphragm 7 and blocks simultaneously, can make L shape push pedal 5 get into in the draw-in groove, make a plurality of toper fixture blocks 12 block advance the spacing groove simultaneously, it is fixed with locating piece 9 to make L shape push pedal 5, electric putter 6 drives diaphragm 7 and spacing cardboard 8 and descends, and then can promote locating piece 9 and cutter 10 to between two locating plates 2 on the 1 right side of casing, realize automatic tool changing operation, whole journey need not manual contact cutter 10, the tool changing efficiency is improved, the potential safety hazard is reduced.

The equal fixedly connected with support frame 13 in the looks back of two locating plates 2, the equal sliding connection in the looks back of two support frames 13 has ejector pin 14, and the inner wall sliding connection of support frame 13 has roof 15.

A pressure spring 16 is fixedly connected between the inner wall of the top plate 15 and the inner wall of the support frame 13, the top plate 15 is fixedly connected with the ejector rod 14, a rectangular through hole matched with the ejector rod 14 is formed in the upper surface of the positioning plate 2, and the positioning groove is matched with the ejector rod 14.

Two ejector pins 14 are pulled, two ejector plates 15 can slide on the inner wall of the support frame 13 and extrude the pressure spring 16, the two ejector pins 14 are separated from the two positioning plates 2, when the positioning block 9 moves to the position between the two positioning plates 2, the two ejector pins 14 are loosened, the ejector pins 14 can be automatically clamped into the positioning grooves in the upper surface and the lower surface of the positioning block 9 through the reaction force generated by the pressure spring 16, the positioning block 9 and the cutter 10 are positioned, the stability is high, the dismounting process is simplified, and the dismounting efficiency is improved.

The working principle is as follows: when the automatic tool changer is used, firstly, the two ejector rods 14 are pulled, the two ejector rods 14 drive the top plate 15 to extrude the pressure spring 16, the pressure spring 16 is deformed, the ejector rods 14 are separated from the area between the two positioning plates 2, the motor is started, the L-shaped push plate 5 is driven to move towards the right side through the lead screw 3 and the strip-shaped plate 4, the positioning block 9 is blocked by the limiting clamping plate 8, the L-shaped push plate 5 can enter the clamping groove, the inclined edge of the conical clamping block 12 is extruded by the edge of the clamping groove, the spring 11 is inwards extruded and retracted into the fixing groove, after the L-shaped push plate 5 enters the clamping groove, the conical clamping block 12 is clamped into the limiting groove by the reacting force of the spring 11, the electric push rod 6 drives the transverse plate 7 and the limiting clamping plate 8 to descend, after the positioning block 9 loses limitation, the L-shaped push plate 5 drives the positioning block 9 and the cutter 10 to move towards the right side and pushes the positioning block 9 to move between the two positioning plates 2, two ejector rods 14 are loosened, the ejector rods 14 can be automatically clamped into the positioning grooves through the reaction force generated by the pressure springs 16, the positioning blocks 9 and the cutters 10 are positioned, manual contact with the cutters 10 is not needed, the positioning blocks 9 and the cutters 10 are assembled and disassembled more quickly, the assembling and disassembling process is simplified, the cutter changing efficiency is improved, the potential safety hazard is reduced, and the use 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic tool changing device of numerical control machining center, includes casing (1), and the bar hole has been seted up on the right side of casing (1), two locating plates of the right side of casing (1) and the corresponding fixedly connected with (2) in bar hole, its characterized in that: the motor is installed on the left side of the shell (1), the output end of the motor is fixedly connected with the lead screw (3), the inner wall of the shell (1) is connected with the strip-shaped plate (4) in a sliding manner, the lower surface of the strip-shaped plate (4) is fixedly connected with the L-shaped push plate (5), the inner bottom wall of the shell (1) is provided with the electric push rod (6), the output end of the electric push rod (6) is fixedly connected with the transverse plate (7), the upper surface of the transverse plate (7) is fixedly connected with the limiting clamping plate (8), the positioning blocks (9) are respectively arranged between the two positioning plates (2) and on the upper surface of the transverse plate (7), the right side of each positioning block (9) is provided with the cutter (10), the upper surface and the lower surface of each positioning block (9) are respectively provided with a positioning groove, the left side of each positioning block (9) is provided with a clamping groove, the inner wall of each clamping groove is provided with a limiting groove, the upper surface of each L-shaped push plate (5) is respectively provided with a plurality of fixing grooves, the inner bottom wall of the fixing groove is fixedly connected with a spring (11), and one end, far away from the inner bottom wall of the fixing groove, of the spring (11) is fixedly connected with a conical clamping block (12).

2. The automatic tool changer of a numerical control machining center according to claim 1, characterized in that: the right end of the screw rod (3) extends to the inside of the shell (1) and is rotatably connected with the right inner wall of the shell (1).

3. The automatic tool changer of a numerical control machining center according to claim 1, characterized in that: the L-shaped push plate (5) is matched with the clamping groove, and the conical clamping block (12) is matched with the limiting groove.

4. The automatic tool changer of a numerical control machining center according to claim 1, characterized in that: two equal fixedly connected with support frame (13) in the back of the body of locating plate (2), equal sliding connection has ejector pin (14) in the back of the body of two support frames (13).

5. The automatic tool changer of a numerical control machining center according to claim 4, characterized in that: the inner wall sliding connection of support frame (13) has roof (15), fixedly connected with pressure spring (16) between roof (15) and support frame (13) inner wall, and roof (15) and ejector pin (14) fixed connection.

6. The automatic tool changer of a numerical control machining center according to claim 1, characterized in that: the upper surface of the positioning plate (2) is provided with a rectangular through hole matched with the ejector rod (14), and the positioning groove is matched with the ejector rod (14).