CN215147136U

CN215147136U - Automatic tool changing device of CNC (computer numerical control) machining center

Info

Publication number: CN215147136U
Application number: CN202121258872.XU
Authority: CN
Inventors: 温红伟; 卞玉贵
Original assignee: Suzhou Yiyuankang Electromechanical Technology Co ltd
Current assignee: Suzhou Yiyuankang Electromechanical Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-14
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a CNC machining center's automatic tool changer relates to CNC machining center technical field, can not be to the timely clear problem of milling cutter for solving the ordinary CNC machining center's among the prior art automatic tool changer. The gas head is installed to the below of blade holder, and gas head and blade holder fixed connection, the internally mounted of blade holder has the gas-supply pipe, and gas-supply pipe and blade holder fixed connection, gas-supply pipe and gas head intercommunication, the inside of blade holder is provided with anchor clamps, and anchor clamps and blade holder sliding connection, electromagnet is installed to the inboard of anchor clamps, and electromagnet and anchor clamps fixed connection, the spring is installed to electromagnet's one side, and spring and electromagnet fixed connection, the chuck is installed to one side of spring, and chuck and spring fixed connection, the inboard of anchor clamps is provided with milling cutter, chuck and milling cutter laminating, the connecting rod is installed to the top of anchor clamps, and connecting rod and anchor clamps fixed connection.

Description

Automatic tool changing device of CNC (computer numerical control) machining center

Technical Field

The utility model relates to a CNC machining center technical field specifically is a CNC machining center's automatic tool changer.

Background

The CNC machining center is a numerical control machining machine, different milling cutters are frequently required to be replaced to mill a workpiece, but after milling work of the milling cutters is finished, a large amount of impurities can remain on the surfaces of the milling cutters, but an automatic cutter changing device of a common CNC machining center cannot clean the milling cutters in time, and milling quality is affected during secondary use; therefore, the market urgently needs to develop an automatic tool changing device of a CNC (computerized numerical control) machining center to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CNC machining center's automatic tool changer to solve the ordinary CNC machining center's that proposes in the above-mentioned background art automatic tool changer can not be to the timely clear problem of milling cutter.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a CNC machining center's automatic tool changing device, includes blade holder and supporting seat, the gas head is installed to the below of blade holder, and gas head and blade holder fixed connection, the internally mounted of blade holder has the gas-supply pipe, and gas-supply pipe and blade holder fixed connection, gas-supply pipe and gas head intercommunication, the inside of blade holder is provided with anchor clamps, and anchor clamps and blade holder sliding connection.

Preferably, the electromagnetic chuck is installed to the inboard of anchor clamps, and electromagnetic chuck and anchor clamps fixed connection, the spring is installed to one side of electromagnetic chuck, and spring and electromagnetic chuck fixed connection.

Preferably, the chuck is installed to one side of spring, and chuck and spring fixed connection, the inboard of anchor clamps is provided with milling cutter, chuck and milling cutter laminating, the connecting rod is installed to the top of anchor clamps, and connecting rod and anchor clamps fixed connection.

Preferably, the inner side of the tool apron is provided with a piston chamber, the piston chamber and the tool apron are arranged into an integral structure, a piston is arranged inside the piston chamber and is in sliding connection with the piston chamber, and the piston is fixedly connected with the connecting rod.

Preferably, the internally mounted of supporting seat has first motor, and first motor and supporting seat fixed connection, first reduction gear is installed to the below of first motor, the pivot is installed to the below of first reduction gear, pivot and first motor all pass through shaft coupling and first reduction gear fixed connection, the link is installed to the below of supporting seat, and the link passes through the bearing rotation with the supporting seat and is connected.

Preferably, the cylinder is installed to one side of supporting seat, and cylinder and supporting seat fixed connection, the rotation case is installed to the below of cylinder, and rotates case and cylinder fixed connection, the tool change arm is installed to the below of rotating the case, and the tool change arm rotates with the rotation case to be connected, the internally mounted who rotates the case has the second motor, and second motor and rotation case fixed connection, the second reduction gear is installed to the below of second motor, and the second reduction gear passes through shaft coupling fixed connection with the second motor.

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

1. the utility model discloses a through the setting of gas head, with milling cutter shrink to the inside back of blade holder, the accessible plays the head and blows to milling cutter's knife face, blows away the impurity and the sweeps of milling cutter knife face, plays clean milling cutter's effect to make this automatic tool changer can in time clean milling cutter after having worked, thereby make milling cutter when the secondary is used the surface can not remain a large amount of sweeps, improve the quality of milling.

2. The utility model discloses a through the setting of piston and connecting rod, the connecting rod is connected with piston and anchor clamps, and anchor clamps are used for pressing from both sides milling cutter tightly, through the removal of piston, can contract milling cutter to the inside of blade holder, only exposes milling cutter's knife face in the outside of blade holder, and the position height of milling cutter knife face is the same with the gas head simultaneously to make things convenient for the protection of blade holder to milling cutter on the one hand, on the other hand makes things convenient for the cleaning work of gas head to the milling cutter knife face.

Drawings

Fig. 1 is a front view of an automatic tool changer of a CNC machining center according to the present invention;

FIG. 2 is a cross-sectional view of the tool holder of the present invention;

FIG. 3 is a cross-sectional view of the support base of the present invention;

fig. 4 is a cross-sectional view of the rotating box of the present invention.

In the figure: 1. a tool apron; 2. a supporting seat; 3. a cylinder; 4. a rotating box; 5. a tool changing arm; 6. milling cutters; 7. a chuck; 8. a spring; 9. an electromagnetic chuck; 10. a clamp; 11. a connecting rod; 12. a piston; 13. a gas delivery pipe; 14. an air head; 15. a piston chamber; 16. a first motor; 17. a first decelerator; 18. a rotating shaft; 19. a connecting frame; 20. a second motor; 21. and a second speed reducer.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a CNC machining center's automatic tool changer, includes blade holder 1 and supporting seat 2, gas head 14 is installed to the below of blade holder 1, and gas head 14 and 1 fixed connection of blade holder, the internally mounted of blade holder 1 has gas-supply pipe 13, and gas-supply pipe 13 and 1 fixed connection of blade holder, gas-

supply pipe

13 and 14 intercommunications of gas head, the inside of blade holder 1 is provided with anchor clamps 10, and anchor clamps 10 and 1 sliding connection of blade holder.

Further, electromagnet 9 is installed to the inboard of anchor clamps 10, and electromagnet 9 and anchor clamps 10 fixed connection, spring 8 is installed to one side of electromagnet 9, and spring 8 and electromagnet 9 fixed connection, and every anchor clamps 10 is inside to be provided with two electromagnet 9 and two spring 8.

Further, chuck 7 is installed to one side of spring 8, and chuck 7 and spring 8 fixed connection, the inboard of anchor clamps 10 is provided with milling cutter 6, chuck 7 and the laminating of milling cutter 6, connecting rod 11 is installed to the top of anchor clamps 10, and connecting rod 11 and anchor clamps 10 fixed connection, and the inside of anchor clamps 10 is provided with two chucks 7, and two chucks 7 can press from both sides milling cutter 6 tightly.

Further, the inboard of blade holder 1 is provided with piston chamber 15, and piston chamber 15 sets up structure as an organic whole with blade holder 1, the inside of piston chamber 15 is provided with piston 12, and piston 12 and piston chamber 15 sliding connection, piston 12 and connecting rod 11 fixed connection, the top and the below of piston chamber 15 are provided with the intake duct respectively to order about piston 12 and move in piston chamber 15 is inside.

Further, the internally mounted of supporting seat 2 has first motor 16, and first motor 16 and supporting seat 2 fixed connection, first reduction gear 17 is installed to the below of first motor 16, pivot 18 is installed to the below of first reduction gear 17, pivot 18 and first motor 16 all pass through shaft coupling and first reduction gear 17 fixed connection, link 19 is installed to the below of supporting seat 2, and link 19 passes through the bearing rotation with supporting seat 2 and is connected, link 19 pivot 18 with all with blade holder 1 fixed connection.

Further, cylinder 3 is installed to one side of supporting seat 2, and cylinder 3 and 2 fixed connection of supporting seat, the below of cylinder 3 is installed and is rotated case 4, and rotates case 4 and 3 fixed connection of cylinder, change tool arm 5 is installed to the below of rotating case 4, and change tool arm 5 rotates with rotation case 4 and is connected, the internally mounted who rotates case 4 has second motor 20, and second motor 20 with rotate case 4 fixed connection, second reduction gear 21 is installed to the below of second motor 20, and second reduction gear 21 passes through shaft coupling fixed connection with second motor 20, and second reduction gear 21 passes through axle coupling fixed connection with change tool arm 5, and the both ends of change tool arm 5 all are provided with the tong, carry milling cutter 6 through the tong.

The working principle is as follows: when the milling cutter replacing device is used, the upper part and the lower part of the piston chamber 15 are connected with external air pumps, the piston 12 is driven to move in the piston chamber 15 by the external air pumps, when the milling cutter 6 needs to be replaced, the cutter changing arm 5 is driven to rotate by the second motor 20 and the second speed reducer 21, one end of the cutter changing arm 5, which does not clamp the milling cutter 6, is rotated to the position right below the cutter holder 1, then the milling cutter 6 is pushed out of the cutter holder 1 by the connecting rod 11 and the clamp 10 through the movement of the piston 12 and passes through the clamp of the cutter changing arm 5, then the milling cutter 6 is clamped by the clamp, the cutter changing arm 5 is driven to rotate by the second motor 20, the milling cutters 6 at the two ends of the cutter changing arm 5 are replaced, the unused milling cutter 6 is placed in the cutter holder 1 and is clamped by the two clamp heads 7 of the clamp 10, the electromagnetic chuck 9 can attract the clamp head 7, and after the electromagnetic chuck 9 is electrified, the chuck 7 is attracted to one side of the electromagnetic chuck 9, compression spring 8, anchor clamps 10 is in the state of opening this moment, after the electromagnetic chuck 9 outage, anchor clamps 10 are in clamping status, then the removal through piston 12 will change milling cutter 6 contract the inside to blade holder 1, the knife face and the gas head 14 of milling cutter 6 are in same height, later carry high-pressure draught to gas head 14 through gas-supply pipe 13, thereby clear away the impurity on the milling cutter 6 knife face, here gas-supply pipe 13 also provides high-pressure draught by external air pump, through first motor 16, first reduction gear 17, pivot 18 and link 19 can drive blade holder 1 and rotate, thereby rotate the milling cutter 6 of the inside different positions of blade holder 1 directly over to tool changing arm 5, accomplish the change of different grade type milling cutter 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a CNC machining center's automatic tool changer, includes blade holder (1) and supporting seat (2), its characterized in that: air head (14) are installed to the below of blade holder (1), and air head (14) and blade holder (1) fixed connection, the internally mounted of blade holder (1) has gas-supply pipe (13), and gas-supply pipe (13) and blade holder (1) fixed connection, gas-supply pipe (13) and air head (14) intercommunication, the inside of blade holder (1) is provided with anchor clamps (10), and anchor clamps (10) and blade holder (1) sliding connection.

2. The automatic tool changer for CNC machining centers as recited in claim 1, wherein: electromagnet (9) is installed to the inboard of anchor clamps (10), and electromagnet (9) and anchor clamps (10) fixed connection, spring (8) are installed to one side of electromagnet (9), and spring (8) and electromagnet (9) fixed connection.

3. The automatic tool changer for CNC machining centers as recited in claim 2, wherein: chuck (7) are installed to one side of spring (8), and chuck (7) and spring (8) fixed connection, the inboard of anchor clamps (10) is provided with milling cutter (6), chuck (7) and milling cutter (6) laminating, connecting rod (11) are installed to the top of anchor clamps (10), and connecting rod (11) and anchor clamps (10) fixed connection.

4. The automatic tool changer for CNC machining centers as recited in claim 3, wherein: the inner side of the tool apron (1) is provided with a piston chamber (15), the piston chamber (15) and the tool apron (1) are arranged into an integral structure, a piston (12) is arranged inside the piston chamber (15), the piston (12) is in sliding connection with the piston chamber (15), and the piston (12) is fixedly connected with a connecting rod (11).

5. The automatic tool changer for CNC machining centers as recited in claim 1, wherein: the utility model discloses a bearing support device, including supporting seat (2), internally mounted has first motor (16), and first motor (16) and supporting seat (2) fixed connection, first reduction gear (17) are installed to the below of first motor (16), pivot (18) are installed to the below of first reduction gear (17), pivot (18) and first motor (16) all are through shaft coupling and first reduction gear (17) fixed connection, link (19) are installed to the below of supporting seat (2), and link (19) are connected through bearing rotation with supporting seat (2).

6. The automatic tool changer for CNC machining centers as recited in claim 1, wherein: cylinder (3) are installed to one side of supporting seat (2), and cylinder (3) and supporting seat (2) fixed connection, rotation case (4) are installed to the below of cylinder (3), and rotate case (4) and cylinder (3) fixed connection, change tool arm (5) are installed to the below of rotating case (4), and change tool arm (5) with rotate case (4) and rotate and be connected, the internally mounted who rotates case (4) has second motor (20), and second motor (20) and rotation case (4) fixed connection, second reduction gear (21) are installed to the below of second motor (20), and second reduction gear (21) and second motor (20) pass through shaft coupling fixed connection.