JP3184710U - Directly connected spindle synchronous tool push-in mechanism of machining center tool changer - Google Patents

Abstract

A direct-coupled spindle synchronous tool push-in mechanism that improves the work efficiency of automatic tool change in a machining center is provided.
The automatic tool changing mechanism includes a direct-coupled spindle 20 that accommodates a tool, an automatic tool changing mechanism 30, and a synchronous tool pushing mechanism 40. The automatic tool changing mechanism includes a magazine and a tool for holding a tool of a machining center of the automatic tool changing mechanism. A first electric control device that controls an operation operation to rotate the exchange arm, and a second electric control device that controls a synchronous tool push-in mechanism for holding and loosening the tool held on the direct-coupled spindle, Latching and loosening operation of the tool held in the magazine, latching and loosening operation of the tool accommodated in the spindle, and synchronous control with the tool changing arm 95 that rotates between them to perform the tool changing operation are performed.
[Selection] Figure 1

Description

  The present invention belongs to the technical field of an automatic tool changer of a machining center, and more specifically, in the process in which the automatic tool change mechanism performs tool change for a tool of a machining spindle and a tool of a magazine, the tool of the directly connected spindle When the loosening ring receives the press and return of the synchronous tool push-in mechanism, it simultaneously performs the tool loosening and clamping operations on the tool, and the automatic tool changing mechanism and the direct spindle tool loosening and clamping operation. Synchronously executed by the electric control system device, the tool change arm exchanges the tool on the tool holder and the tool on the spindle, completes the tool change, and improves the work efficiency at the time of tool change of the automatic tool changer of the machining center.

  Each general machining center has a tool change system. The tool change system performs a tool change between a tool magazine and a machining spindle by means of a tool exchange arm that can be rotationally displaced, and at the same time by a pull rod and a latch inside the machining spindle. When the tool change arm is moved below the tool of the machining spindle, the tool is held or released in accordance with the vertical movement of the tool push-in shaft, thereby achieving the purpose of tool change.

  Among them, the rotation method of the tool change arm is a method in which the rotation of the tool change arm is controlled using the transmission of a motor, and the machining spindle loosens and clamps the tool. Using a cylinder, the pull rod and latch, that is, the vertical movement of the tool push-in shaft is driven, and the pull rod and latch are loosened and clamped with respect to the tool. The purpose of the exchange cannot be achieved. The reason for this is that when the tool push-in mechanism performs a tool changing operation, the tool changing arm first holds the tool of the machining spindle, and then the machining spindle can perform a tool loosening operation. The time of the entire operation is extended, in other words, the tool latching operation of the tool changing arm and the tool loosening operation of the machining spindle have an order relationship, and because of the continuous operation, they are not synchronized operations. It is difficult to achieve the purpose of quick tool change.

  In view of this, the inventor has studied the problems encountered in the structure of the existing tool push-in mechanism of the automatic tool changer of the machining center, and has been engaged in research and development and manufacturing experience engaged in related industries for many years, and contact Through a long-term effort research and development, we finally developed a direct-coupled spindle synchronous tool push-in mechanism, and the tool change time of the existing tool change mechanism is too long. Overcoming the inability to achieve the purpose of rapid tool change due to defects in the tool loosening movement of the spindle, making the tool push-in mechanism more practical and adapting to the user's requirements.

JP 2001-18136 A

  The purpose of the present invention is to push down and return the tool pushing arm of the tool pushing mechanism in the process of exchanging the tool on the directly connected spindle of the automatic tool changer of the machining center and the tool in the magazine. At the same time, the tool is loosely clamped with respect to the tool, the tool changing arm is changed the tool on the tool holder and the tool on the spindle, and the tool change is completed. It is an object of the present invention to provide a direct-coupled spindle synchronous tool push-in mechanism that improves work efficiency.

The present invention specifically realizes the above-described objects and effects by the following technical means.
The structure includes a direct-coupled spindle, an automatic tool change mechanism, and a synchronous tool push-in mechanism, a direct-coupled spindle is provided at the front end of the spindle base, and a synchronous tool push-in mechanism is provided at an appropriate position in the middle stage of the spindle base. Is controlled by the first electric control system device and the second electric control system device via a circuit, and the first electric control system device and the second electric control system device can control the synchronous tool changing mechanism, After completing the combination, loosening the spindle synchronous tool and changing the tool, the magazine motor drives the rotation of the magazine, and then the tool holder to be replaced is accurately positioned at the tool change position, and then the tool on the tool holder is reversed and reversed. After completion, the electric control unit sends a signal to control the rotation of the tool change arm to the tool latch angle, and the tool on the main spindle to be changed is held in the tool holder. At the same time, the electric control device transmits a tool push signal to the tool push cylinder of the synchronous tool push mechanism, presses the tool push arm, and directly connects the tool of the main spindle to the tool loosening bearing on the tool push arm. Press down the loosening ring, press down the disc spring, pull rod and latch on the tool loosening ring, loosen the tool in the latch and complete the tool loosening operation. When the tool on the tool holder is pulled down, rotated 180 degrees after being pulled down, and the tool is lifted up to approach the tool latch angle position, the electric control unit controls the return of the tool push-in cylinder to bring the tool release ring back to its original position. Return the tool to the direct-coupled spindle latch and prepare for machining. Tool pushing operation of the synchronization tool pushing mechanism of the formula spindle is executed synchronously by the control of the electric control device, greatly improve the working efficiency during tool change of the machining center machines.

The direct-coupled spindle synchronous tool push-in mechanism of the automatic tool changer of the machining center of the present invention does not need to be restricted by any method, and pushes the tool push arm 41 and loosens the tool on the tool loose bearing 47 on the tool push arm 41. The tool pressing surface 28 of the ring 27 is pressed down to complete the tool loosening of the spindle, and the direct-coupled spindle synchronous tool push-in mechanism of the present invention can be used in common with the machining center machine. When changing the tool of the machining center machine The work efficiency can be improved.

It is combination solid explanatory drawing of the preferred Example of this invention, and shows a main member and its relative relationship. It is front explanatory drawing of the suitable Example of this invention. FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 2. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. It is a section explanatory view of the electric control device of the suitable example of the present invention. It is a section explanatory view of a direct connection type main axis of a suitable example of the present invention. It is explanatory drawing by which the mandrel of another Example of this invention penetrates and installs in an automatic tool change mechanism and a convex ring plate. It is operation | movement explanatory drawing in which the roller of another Example of this invention rolls to the tool clamping area | region of a convex ring | wheel plate, and a swing arm interlock | cooperates with the rotation raise of a rocker arm. It is operation | movement explanatory drawing in which the roller of another Example of this invention rolls to the tool loosening area | region of a convex ring | wheel plate, and a swing arm interlock | cooperates with the rotation process of a rocker arm.

  In order to further understand the detailed structure, features and other objects of the present invention, a preferred embodiment of the present invention will be given below, which will be described in detail with reference to the drawings and can be implemented by those skilled in the art.

  The present invention is a direct-coupled spindle synchronous tool push-in mechanism in a tool changer of a machining center. In a specific embodiment of the present invention and its members shown in the drawings, all front and rear, left and right, top and bottom, top and bottom, horizontal In addition, since the operation mechanism related to the vertical is used for the convenience of description, it does not limit the scope of rights of the present invention, and does not limit the member in any position or spatial direction. The dimensions specified in the drawings and specification may vary within the scope of the claims of the present invention, depending on the design and requirements of the specific embodiments of the present invention.

Please refer to FIG.
The structure of the direct-coupled spindle tool pushing mechanism of the automatic tool changer of the machining center according to the preferred embodiment of the present invention is composed of a direct-coupled spindle 20, an automatic tool changing mechanism 30, and a synchronous tool pushing mechanism 40. A direct-coupled spindle 20 is provided at the front end, an automatic tool changing mechanism 30 is arranged relative to one side of the spindle stock 10, and a synchronous tool pushing mechanism 40 is provided at an appropriate position in the middle stage of the spindle stock 10, and the synchronous tool pushing is performed. The mechanism 40 is controlled by the first electric control device 33 and the second electric control device 34 of the automatic tool changing mechanism 30 through a circuit, and is synchronized with the tool clamping and loosening operations of the direct-coupled spindle 20. Synchronized tool loosening and tool change.

  An accommodation chamber 22 is formed inside the shaft body 21 of the direct-coupled main shaft 20, a conical hole 23 is provided on the bottom side of the accommodation chamber 22, a tool 90 is accommodated in the conical hole 23, and latched in the accommodation chamber 22. 24, the pull rod 25 and the disc spring 26 are housed, and a tool loosening ring 27 is provided on the shaft 21 upper side, and an annular body having a tool pressing surface 28 formed on the bottom edge of the tool loosening ring 27 is projected. When the tool is not pressed, the pull rod 25 and the latch 24 are pushed up to hold the tool 90 in the latch 24, and when the tool pressing surface 28 on the tool loosening ring 27 receives the pressing operation by the tool pressing bearing 47 of the tool pressing arm 41, The disc spring 26, the pull rod 25, and the latch 24 are pushed down by the loosening ring 27, and the tool 90 clamping action of the latch 24 is loosened.

The synchronous tool pushing mechanism 40 (see FIG. 4) includes a tool pushing arm 41, a tool pushing cylinder 50, and a return spring 55. The tool pushing arm 41 is provided with a front support rod 42 and a rear support rod 43, A U-shaped ring 44 is branched and provided at the end of the front support rod 42, a pivot hole 45 is provided on the front side of the U-shaped ring 44, the rotating rod 11 is inserted, and the rotating rod 11 is inserted into the through hole 12 on the side wall of the headstock 10. The support is used as a fulcrum of the tool push-in arm 41, a through hole 46 is provided behind the U-shaped ring 44, a tool loosening bearing 47 is pivotally mounted, a return spring 55 is provided below the rear support rod 43, and a rear support rod A concave groove 48 is branched and formed at the end of 43, and a tool pushing roller 49 is provided so as to be rotatable.
A cylinder piston 51 is provided at the lower end of the tool pushing cylinder 50 and is placed in contact with the tool pushing roller 49. When the cylinder piston 51 of the tool pushing cylinder 50 is lowered, the tool pushing roller 49 of the tool pushing arm 41 is pushed down to lower the tool. The push arm 41 is pushed down by rotating the push rod 41 with the rotating rod 11 inserted through the pivot attachment hole 45 as a fulcrum, thereby pushing down the tool pressing surface 28 of the tool loosening ring 27 via the tool loosening bearing 47 of the tool push arm 41. Then, the disc spring 26, the pull rod 25, and the latch 24 are pressed down on the tool loosening ring 27 to loosen the clamping of the tool 80 in the latch 24, and the tool loosening operation of the direct connection type spindle 20 is completed.
After the completion of the tool loosening operation, when the cylinder piston 51 rises and returns, the return spring 55 pushes up the rear support rod 43 of the tool push-in arm 41 and uses the rotary rod 11 inserted through the tool push-in arm 41 into the pivot hole 45 as a fulcrum. The tool loosening bearing 47 is moved away from the tool pressing surface 28 of the tool loosening ring 27, the pull rod 25 and the latch 24 are pushed up by the disc spring 26, and the tool 90 is clamped by the latch 24. 20 tool clamping operations are completed.

The automatic tool changing mechanism 30 (see FIG. 5) includes a signal sensor wheel 31, an automatic tool changing mechanism box 32, a first electric control device 33, and a second electric control device 34, and includes an automatic tool changing mechanism. 30 is arranged relative to the side of the headstock 10 and controls the rotation, extension and withdrawal of the tool changing arm 95.
A drive motor 301 is provided on the upper side of the automatic tool change mechanism box 32 to drive the automatic tool change mechanism 30, and the signal sensor wheel 31 is provided outside the automatic tool change mechanism 30 relative to the tool magazine. The first electric control device 33 and the second electric control device 34 are provided.
The automatic tool changer 30 controls the rotation of the tool changer arm 95, aligns both ends of the arm with the tool holder 92 of the tool magazine and the conical hole 23 of the direct-coupled spindle, and latches each tool 90. Then, the tool 90 is pulled out and then rotated to change the position, and the respective tools are inserted into the tool holder 92 and the conical hole 23 of the direct-coupled main shaft 20 to perform a tool changing operation.
The mandrel 62 is installed through the automatic tool change mechanism box 32 and the sensor wheel 31, and when the automatic tool change mechanism 30 is operated, the signal sensor wheel 31 is rotated in accordance with these operations, and the first electric control device 33 and the second electric control device 34 receive the detection signal, the first electric control device 33 detects the operation of the automatic tool change mechanism, stops and starts the motor 301, and the second electric control device 34 is operated by a circuit. Connected to the solenoid valve, the operation of the cylinder piston 51 of the tool pushing cylinder 50 is controlled.

As a result, the magazine motor rotates and drives the magazine to accurately position the tool 90 on the tool holder 92 to be exchanged at the tool exchange position, and then reverses the tool 90 on the tool holder 92. The control device 33 transmits a signal to control the tool changing arm 95 to rotate it to the respective tool changing position, and bring both ends of the arm closer to the tool 90 on the spindle to be changed and the tool 90 on the tool holder. Position.
At the same time, the second electric control device 34 detects the tool pushing signal, transmits the tool pushing signal to the tool pushing cylinder 50, drives the cylinder piston 51 to the tool pushing cylinder 50, and causes the tool pushing arm 41 to pivot. The rotating rod 11 inserted through the tool is pivoted and pressed around a fulcrum, the tool loosening bearing 47 on the tool pushing arm 41 is pushed down the tool pressing surface 28 of the tool loosening ring 27, the disc loosening ring 27 is attached to the disc spring 26, and the pull rod 25. Then, the latch 24 is pressed down to loosen the holding of the tool 90 in the latch 24, and the tool loosening operation is completed.
At this time, the tool change arm 95 pulls down the tool 90 on the spindle to be changed to the tool latch angle position and the tool 90 on the tool holder 92, and after pulling down, grips each tool on both ends of the tool change arm 95. The tool changer arm 95 is rotated 180 degrees to change the positions of these tools, and then the second electric control device 34 controls the cylinder piston 51 of the tool pushing cylinder 50 to return, The tool is returned to the position, the tool is clamped by the latch 24 of the direct-coupled spindle 20, the exchange operation of the spindle tool and the tool holder is completed, and preparation for machining is performed.
The tool changing operation of the automatic tool changing mechanism 30 and the tool pushing operation of the synchronous tool pushing mechanism 40 of the direct-coupled spindle 20 are executed in synchronization with the control of the first electric control device 33 and the second electric control device 34, It achieves tool push-in operation and signal synchronization processing, achieves the purpose of precise tool change, and greatly improves the work efficiency when changing the tool in the machining center.

Reference is made to FIGS.
These are another embodiment of the direct-coupled spindle synchronous tool push-in mechanism according to the present invention, and the structure thereof includes a direct-coupled spindle 20, an automatic tool changing mechanism 30, a convex ring plate 61, and a synchronous tool push-in mechanism 60. Configure. The convex ring plate 61 drives the synchronous tool push-in mechanism 60 and combines the direct-coupled main shaft 20 to loosen the synchronous tool of the direct-coupled main shaft 20 and change the tool.
The direct connection type spindle 20 is provided at the front end of the spindle stock 10, the synchronous tool pushing mechanism 60 is provided at an appropriate position in the middle stage of the spindle stock 10, and the automatic tool changing mechanism 30 and the convex ring plate 61 are provided on one side of the output spindle 10. Provide.
The automatic tool change mechanism 30 includes a drive motor 301 and an automatic tool change mechanism box 32, and a drive motor 301 is provided on the upper side of the automatic tool change mechanism box 32 to drive the automatic tool change mechanism 30. The mandrel 62 passes through the automatic tool change mechanism box 32, and the convex ring plate 61 is further provided so as to provide the convex ring plate 61 outside the automatic tool change mechanism box 32.
A convex ring plate 61 that rotates during operation of the automatic tool changer 30 is provided, and a tool loosening region 611 and a tool clamping region 612 that function as a rotating cam are provided on the outer periphery of the convex ring plate 61, and these regions extend from the rotation axis to the outer peripheral edge thereof. Therefore, the swing arm 63 is rotated via the roller 631 of the swing arm 63 in contact with the outer periphery of the convex ring plate 61.
A storage chamber 22 is formed inside the shaft body 21 of the direct connection main shaft 20, a conical hole 23 is provided on the bottom side of the storage chamber 22, and a tool 90 is stored in the conical hole 23. The latch 24, the pull rod 25, and the disc spring 26 are accommodated, a tool loosening ring 27 is provided on the upper side of the shaft body 21, a ring is provided on the bottom edge of the tool loosening ring 27, and a tool pressing surface 28 is formed. The tool pushing mechanism 60 includes a tool pushing arm 41, a swing arm 63, a rocker arm 64, a plunger 65, and a repositioning mandrel 66.
A swing arm 63 is provided on the headstock 10, a roller 631 is rotatably provided at the bottom end of the swing arm 63, and a rotary shaft 632 connected to the center of the rocker arm 64 is provided through the front end of the swing arm 63. The rocker arm 64 and the rotating shaft 632 are rotated synchronously.
A rearward mandrel 66 is provided on the upper rear end of the rocker arm 64, a plunger 65 is provided on the front end of the rocker arm 64 so as to be axially rotatable, and a rocker arm 64 is provided on the front end of the plunger 65 so as to be axially rotatable.
The rear end of the plunger 65 is provided on the rear support rod 43 of the tool pushing arm 41 so as to be rotatable. The front support rod 42 and the rear support rod 43 are provided on the tool pushing arm 41, and the end of the front support rod 42 is branched. A ring 44 is provided, a pivoting hole 45 is provided on the front side of the U-shaped ring 44, and the rotary rod 11 is installed through the shaft. A through-hole 46 is provided in the tool, and a tool loosening bearing 47 is pivotally mounted. A concave groove 48 is formed at the end of the rear support rod 43, and a plunger 65 is provided so as to be rotatable. The mechanism is configured, and the tool change operation of the tool change arm 95 and the tool loosening operation of the direct connection type spindle are synchronously executed by the convex ring plate to improve the work efficiency at the time of tool change of the machining center machine.

The direct-coupled spindle synchronous tool push-in mechanism has a mandrel 62 penetrating through the automatic tool change mechanism box 32 and the convex ring plate 61, and when the automatic tool change mechanism 30 is operated, the convex ring plate 61 is rotated. A tool loosening region 611 and a tool clamping region 612 are provided on the convex ring plate 61, whereby the operation of the automatic tool changing mechanism 30 rotates with the convex ring plate 61,
The roller 631 of the swing arm 63 rolls in contact with the tool loosening region 611 and the tool clamping region 612 of the convex ring plate 61, and the tool loosening region 611 and the tool clamping region 612 of the convex ring plate 61 have different outer diameters. When the swing arm 63 is swung by a certain angle, the rocker arm 64 is pressed and raised, and the tool change arm 95 of the automatic tool change mechanism 30 is rotated and the latched tool 90 needs to be loosened. When the upper roller 631 rotates to the tool loosening region 611 and the rocker arm 64 is rotated and pressed, the plunger 65 provided at the front end of the rocker arm 64 so as to be capable of rotating the shaft presses the tool pressing arm 41 in synchronization and presses the tool. The arm 41 is pushed down with the pivot hole 45 as a fulcrum, and the work on the tool pushing arm 41 is The loosening bearing 47 is pressed down on the tool pressing surface 28 of the tool loosening ring 27, the disc spring 26, the pull rod 25 and the latch 24 are pressed down on the tool loosening ring 27, and the tool 90 is loosened in the latch 24 to complete the tool loosening operation. When the roller 631 rotates to the tool clamping region 612 of the convex ring plate 61, the tool change arm 95 exchanges the tool 90 on the tool holder 92 and the tool 90 on the spindle, and completes the tool change. When 631 rotates to the tool clamping region 612 of the convex ring plate 61, the swing arm 63 interlocks with the ascent of the rocker arm 64, and the plunger 65 interlocks with the ascending with the pivot hole 45 of the tool pushing arm 41 as a fulcrum, The tool loosening bearing 47 on the tool pushing arm 41 is separated from the tool pressing surface 28 of the tool loosening ring 27, and the disk loosening spring 27, the pull rod 25, and the tool loosening ring 27 are separated. It is impossible to pressing the latch 14, thereby clamping the tool 90 to the latch 24.

  Therefore, the direct-coupled spindle synchronous tool push-in mechanism of the present invention does not need to be restricted by any method, and pushes the tool push arm 41 and presses the tool loose ring 27 on the tool loose bearing 47 on the tool push arm 41. The surface 28 is pushed down to complete the tool loosening of the spindle, and the direct-coupled spindle synchronous tool push-in mechanism of the present invention can be used in common with the tool changer of the machining center, improving the working efficiency when changing the tool of the machining center can do.

DESCRIPTION OF SYMBOLS 10 Headstock 11 Rotating rod 12 Shaft base through-hole 20 Direct connection type spindle 21 Shaft body 22 Accommodating chamber 23 Conical hole 24 Latch 25 Pull rod 26 Belleville spring 27 Tool loosening ring 28 Tool pressing surface 30 Automatic tool change mechanism 32 Automatic tool change mechanism Box 33 First electric control device 34 Second electric control device 40 Tool push-in mechanism 41 Tool push-in arm 42 Front support rod 43 Rear support rod 44 U-shaped ring 45 Pivoting hole 46 Through hole 47 Tool loosening bearing 48 Concave groove 49 Tool Pushing roller 50 Tool pushing cylinder 51 Cylinder piston 55 Reverse spring 60 Synchronous tool pushing mechanism 61 Convex ring plate 611 Tool loosening region 612 Tool clamping region 62 Mandrel 63 Arm 631 Roller 632 Rotating shaft 64 Rocker arm 65 Plunger 66 Resting mandrel 90 Tool 92 Tool Holder 95 Tool change arm

Claims (10)

A direct-coupled spindle synchronous tool push-in mechanism that automatically changes tools in a machining center,
It consists of a direct-coupled spindle, an automatic tool change mechanism, and a synchronous tool push-in mechanism,
The direct-coupled main shaft has a housing chamber formed in the shaft body, a conical hole is provided on the bottom side of the housing chamber, a tool is accommodated in the conical hole, and a latch for sandwiching the tool in the housing chamber, A pull rod for clamping and loosening the tool and a disc spring for returning the movement are housed and arranged, and a tool loosening ring is slidably provided on the outer periphery of the shaft, and a ring is provided at the bottom edge of the tool loosening ring. Is formed so as to form a tool pressing surface, and to perform the tool clamping and loosening operation of the latch via the pull rod and the disc spring in the accommodation chamber by the sliding operation of the tool loosening ring,
The automatic tool change mechanism includes a signal sensor wheel for detecting the position of the tool magazine, an automatic tool change mechanism box, a first electric control device, and a second electric control device, and the automatic tool change mechanism box. A drive motor is provided on the upper side of the body so that the tool magazine and the tool held in the main shaft are held at both ends of the arm and the tool change arm for exchanging is driven.
The synchronous tool push-in mechanism comprises a tool push-in arm, a tool push-in cylinder, and a return spring for returning the tool push-in arm,
A front support rod and a rear support rod are provided at both ends of the tool push-in arm, a U-shaped ring branched at the end of the front support rod is provided, and a pivoting hole penetrating the front side of the U-shaped ring is provided to install a rotating rod. And the tool pushing arm can be rotated with the rotating rod as a pivot.
Further, a through hole is provided on the rear side of the U-shaped ring so that the tool loosening bearing is pivotally attached, and the bearing is in contact with a tool pressing surface of an annular body protruding from the bottom edge of the tool loosening ring fitted on the main shaft. And arranging the return spring on the bottom side of the rear support rod,
A concave groove is formed at the end of the rear support rod so that a tool pushing roller is provided so that the shaft can rotate, and a cylinder piston provided on the front side of the tool pushing cylinder is provided in contact with the tool pushing roller to drive the cylinder piston up and down. The tool pushing arm is rotated by the tool pushing roller, and further, the tool loosening bearing is pushed down and raised by the turning operation of the tool pushing arm, and the spindle is accommodated through the tool pushing surface of the ring body that comes into contact therewith. By holding and loosening the tool in the indoor latch, the tool accommodated in the main shaft is exchanged,
These operations are performed in synchronization with the first electric control device and the second electric control device.
A direct-coupled spindle synchronous tool push-in mechanism for a tool changer for a machining center.   The tool pushing roller is pushed down by the operation of the cylinder piston of the tool pushing cylinder, the tool pushing arm is pushed down with the pivot hole as a fulcrum, the tool loosening bearing on the tool pushing arm is pushed down the tool pushing surface of the tool loosening ring, The direct-coupled spindle synchronous tool push-in mechanism for a tool changer for a machining center according to claim 1, wherein a tool loosening operation is performed by depressing a disc spring, a pull rod, and a latch on the tool loosening ring, and loosening the tool on the latch to perform a tool loosening operation of the direct-coupled spindle.   The return spring pushes up the support rod after the tool pushing arm, rotates the tool pushing arm around the rotating rod of the tool pushing arm as an axis fulcrum, and returns the tool to the original position. 2. The direct-coupled spindle synchronization of the tool changer for a machining center according to claim 1, wherein the tool is moved away from the pressing surface, the pull rod and the latch are pushed up by the disc spring, the tool is clamped by the latch, and the tool clamping operation of the direct-coupled spindle is completed. Tool push-in mechanism.   The automatic tool change mechanism box has a core shaft that passes through the automatic tool change mechanism box and passes through the sensor wheel on the outside thereof, and rotates with the signal sensor wheel when the automatic tool change mechanism is operated. The direct-coupled spindle synchronous tool push-in mechanism of a tool changer for a machining center according to claim 1, wherein the electric control device and the second electric control device receive the detection signal.   The first electric control device detects the operation of the automatic tool change mechanism and drives the stop and start of the motor, and the second electric control device is connected to the electromagnetic valve via a circuit to be a cylinder piston of the tool pushing cylinder. The direct-coupled spindle synchronous tool push-in mechanism of the tool changer for a machining center according to claim 1, wherein the operation is controlled. A direct-coupled spindle synchronous tool push-in mechanism that automatically changes tools in a machining center,
Consists of a direct-coupled spindle, an automatic tool change mechanism, a convex ring plate, and a synchronous tool push-in mechanism,
The direct-coupled main shaft has a housing chamber formed in the shaft body, a conical hole is provided on the bottom side of the housing chamber, a tool is accommodated in the conical hole, and a latch for sandwiching the tool in the housing chamber, A pull rod for clamping and loosening the tool and a disc spring for returning the movement are housed and arranged, and a tool loosening ring is slidably provided on the outer periphery of the shaft, and a ring is provided at the bottom edge of the tool loosening ring. Is formed so as to form a tool pressing surface, and to perform the tool clamping and loosening operation of the latch via the pull rod and the disc spring in the accommodation chamber by the sliding operation of the tool loosening ring,
The automatic tool change mechanism includes a tool change arm, an automatic tool change mechanism box, and a drive motor provided on the upper side of the automatic tool change mechanism box, and the automatic tool change mechanism is driven by the drive motor to change the tool. Control the rotation, extension and retraction of the arm,
The convex ring plate is provided so as to penetrate the outer side of the automatic tool change mechanism box 32 of the mandrel rotatably provided through the automatic tool change mechanism box, and the diameter from the rotation axis to the outer peripheral edge thereof. Provide a tool loosening area and a tool clamping area with different distances in the direction to function as a rotating cam,

The synchronous tool pushing mechanism includes a tool pushing arm provided with a front support rod and a rear support rod at both ends, a swing arm, a rocker arm, a plunger, and a return mandrel,
A swing arm is provided on the headstock, and a roller is provided at the bottom end of the swing arm so as to be able to rotate the shaft by contacting the convex wheel plate. A rotation shaft is installed through the front end of the swing arm and connected to the center of the rocker arm. And a rotating mandrel at the upper rear end of the rocker arm, a plunger at the front end of the rocker arm, and a rocker arm at the front end of the plunger, and a tool at the rear end. A support rod is provided on the rear arm of the push arm so that the shaft can rotate.
A U-shaped ring that branches off at the end of the front support rod is provided, a pivot hole is provided on the front side of the front support rod, and the rotating rod is penetrated. A through-hole is provided on the headstock to serve as a fulcrum for the tool pushing arm. A through-hole is provided, a tool loosening bearing is pivotally attached, a concave groove is formed at the end of the rear support rod, and a plunger is provided so that the shaft can be rotated.
The tool change of the machining center that performs the tool change of the machine for the machining center by synchronously executing the operation of the tool latch of the tool change arm and the loosening of the tool of the direct connection type spindle by driving the rocker arm by the cam action by the rotation of the convex ring plate. Directly connected spindle synchronous tool push-in mechanism of the device.   The automatic tool change arm box body is provided with a mandrel penetrating the box body and installed through a convex ring plate outside the box body, and the convex ring plate rotates with the automatic tool change mechanism during operation. The direct-coupled spindle synchronous tool push-in mechanism according to 1.   When the tool change arm of the automatic tool change mechanism rotates and loosens the latched tool, the roller of the swing arm is in the tool loosening area of the convex ring plate, and the rocker arm can be rotated to the front end by pressing the rocker arm. The provided plunger synchronously presses down the tool push-in arm, makes the tool push-in arm push down with the pivot hole as a fulcrum, pushes the tool-pressing surface of the tool-releasing ring on the tool-releasing bearing on the tool-pressing arm, and presses the tool-releasing ring against the disc spring 2. The direct-coupled spindle synchronous tool push-in mechanism for a tool changer of a machining center according to claim 1, wherein the pull rod and the latch are pressed, the tool is loosened by the latch, and the tool is loosened.   After the roller has rotated to the tool clamping region of the convex ring plate, the swing arm is interlocked with the ascent of the rocker arm, and is associated with the plunger ascending with the pivot hole of the tool pushing arm as a fulcrum. The tool change of the machining center according to claim 1, wherein the tool loosening bearing is moved away from the tool pressing surface of the tool loosening ring so that the disc spring, the pull rod and the latch can be pushed down on the tool loosening ring, and the tool is held in the latch. Directly connected spindle synchronous tool push-in mechanism of the device.   7. The machining center according to claim 1, wherein the tool pushing arm pushes down the tool pushing arm, causes the tool loosening bearing on the tool pushing arm to push down the tool pushing surface of the tool loosening ring, and performs the tool loosening of the spindle. Direct-coupled spindle synchronous tool push-in mechanism for tool changers.

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